Make sure you have the prerequisite, a JVM (http://wiki.eclipse.org/Eclipse/Installation#Install_a_JVM) installed.
This will be a JRE and JDK package.
There are a number of sources which includes: http://www.oracle.com/technetwork/java/javase/downloads/index.html.
You can use Jquery's on method and listen for the scroll
event.
First of all, Applets are designed to be run from within the context of a browser (or applet viewer), they're not really designed to be added into other containers.
Technically, you can add a applet to a frame like any other component, but personally, I wouldn't. The applet is expecting a lot more information to be available to it in order to allow it to work fully.
Instead, I would move all of the "application" content to a separate component, like a JPanel
for example and simply move this between the applet or frame as required...
ps- You can use f.setLocationRelativeTo(null)
to center the window on the screen ;)
Updated
You need to go back to basics. Unless you absolutely must have one, avoid applets until you understand the basics of Swing, case in point...
Within the constructor of GalzyTable2
you are doing...
JApplet app = new JApplet(); add(app); app.init(); app.start();
...Why are you adding another applet to an applet??
Case in point...
Within the main
method, you are trying to add the instance of JFrame
to itself...
f.getContentPane().add(f, button2);
Instead, create yourself a class that extends from something like JPanel
, add your UI logical to this, using compound components if required.
Then, add this panel to whatever top level container you need.
Take the time to read through Creating a GUI with Swing
Updated with example
import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.EventQueue; import java.awt.event.ActionEvent; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; public class GalaxyTable2 extends JPanel { private static final int PREF_W = 700; private static final int PREF_H = 600; String[] columnNames = {"Phone Name", "Brief Description", "Picture", "price", "Buy"}; // Create image icons ImageIcon Image1 = new ImageIcon( getClass().getResource("s1.png")); ImageIcon Image2 = new ImageIcon( getClass().getResource("s2.png")); ImageIcon Image3 = new ImageIcon( getClass().getResource("s3.png")); ImageIcon Image4 = new ImageIcon( getClass().getResource("s4.png")); ImageIcon Image5 = new ImageIcon( getClass().getResource("note.png")); ImageIcon Image6 = new ImageIcon( getClass().getResource("note2.png")); ImageIcon Image7 = new ImageIcon( getClass().getResource("note3.png")); Object[][] rowData = { {"Galaxy S", "3G Support,CPU 1GHz", Image1, 120, false}, {"Galaxy S II", "3G Support,CPU 1.2GHz", Image2, 170, false}, {"Galaxy S III", "3G Support,CPU 1.4GHz", Image3, 205, false}, {"Galaxy S4", "4G Support,CPU 1.6GHz", Image4, 230, false}, {"Galaxy Note", "4G Support,CPU 1.4GHz", Image5, 190, false}, {"Galaxy Note2 II", "4G Support,CPU 1.6GHz", Image6, 190, false}, {"Galaxy Note 3", "4G Support,CPU 2.3GHz", Image7, 260, false},}; MyTable ss = new MyTable( rowData, columnNames); // Create a table JTable jTable1 = new JTable(ss); public GalaxyTable2() { jTable1.setRowHeight(70); add(new JScrollPane(jTable1), BorderLayout.CENTER); JPanel buttons = new JPanel(); JButton button = new JButton("Home"); buttons.add(button); JButton button2 = new JButton("Confirm"); buttons.add(button2); add(buttons, BorderLayout.SOUTH); } @Override public Dimension getPreferredSize() { return new Dimension(PREF_W, PREF_H); } public void actionPerformed(ActionEvent e) { new AMainFrame7().setVisible(true); } public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { @Override public void run() { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) { ex.printStackTrace(); } JFrame frame = new JFrame("Testing"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(new GalaxyTable2()); frame.pack(); frame.setLocationRelativeTo(null); frame.setVisible(true); } }); } }
You also seem to have a lack of understanding about how to use layout managers.
Take the time to read through Creating a GUI with Swing and Laying components out in a container
You can do it using named-entity recognition (NER). It's fairly simple and there are out-of-the-shelf tools out there to do it, such as spaCy.
NER is an NLP task where a neural network (or other method) is trained to detect certain entities, such as names, places, dates and organizations.
Example:
Sponge Bob went to South beach, he payed a ticket of $200!
I know, Michael is a good person, he goes to McDonalds, but donates to charity at St. Louis street.
Returns:
Just be aware that this is not 100%!
Here are a little snippet for you to try out:
import spacy
phrases = ['Sponge Bob went to South beach, he payed a ticket of $200!', 'I know, Michael is a good person, he goes to McDonalds, but donates to charity at St. Louis street.']
nlp = spacy.load('en')
for phrase in phrases:
doc = nlp(phrase)
replaced = ""
for token in doc:
if token in doc.ents:
replaced+="XXXX "
else:
replaced+=token.text+" "
Read more here: https://spacy.io/usage/linguistic-features#named-entities
You could, instead of replacing with XXXX, replace based on the entity type, like:
if ent.label_ == "PERSON":
replaced += "<PERSON> "
Then:
import re, random
personames = ["Jack", "Mike", "Bob", "Dylan"]
phrase = re.replace("<PERSON>", random.choice(personames), phrase)
open windows powershell, run as administrater and SetExecution policy as Unrestricted then it will work.
Issue has been resolved after updating Android studio version to 3.3-rc2 or latest released version.
cr: @shadowsheep
have to change version under /gradle/wrapper/gradle-wrapper.properties. refer below url https://stackoverflow.com/a/56412795/7532946
user decoration Image for a container.
@override
Widget build(BuildContext context) {
final alucard = Container(
decoration: new BoxDecoration(
borderRadius: BorderRadius.circular(10),
image: new DecorationImage(
image: new AssetImage("images/logo.png"),
fit: BoxFit.fill,
)
)
);
Go to
Settings -> Android SDK -> SDK Tools ->
and make sure you install Google Play Services
You are having issue with newly MySQL version that came with "caching_sha2_password" plugin, follow the below command to get it resolved.
DROP USER 'your_user_name'@'%';
CREATE USER 'your_user_name'@'%' IDENTIFIED WITH mysql_native_password BY 'your_user_password';
GRANT ALL PRIVILEGES ON your_db_name.* TO 'your_user_name'@'%' identified by 'your_user_password';
Or you can just use the below command to keep your privileges as it is:
ALTER USER your_user_name IDENTIFIED WITH mysql_native_password;
It might not exactly be the same error, but I had a similar one.
Check Maven Java Version
Since Maven is also runnig with Java, check first with which version your Maven is running on:
mvn --version | grep -i java
It returns:
Java version 1.8.0_151, vendor: Oracle Corporation, runtime: C:\tools\jdk\openjdk1.8
Incompatible version
Here above my maven is running with Java Version 1.8.0_151
.
So even if I specify maven to compile with Java 11
:
<properties>
<java.version>11</java.version>
<maven.compiler.source>${java.version}</maven.compiler.source>
<maven.compiler.target>${java.version}</maven.compiler.target>
</properties>
It will logically print out this error:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile (default-compile) on project efa-example-commons-task: Fatal error compiling: invalid target release: 11 -> [Help 1]
How to set specific java version to Maven
The logical thing to do is to set a higher Java Version to Maven (e.g. Java version 11 instead 1.8).
Maven make use of the environment variable JAVA_HOME
to find the Java Version to run. So change this variable to the JDK you want to compile against (e.g. OpenJDK 11).
Sanity check
Then run again mvn --version
to make sure the configuration has been taken care of:
mvn --version | grep -i java
yields
Java version: 11.0.2, vendor: Oracle Corporation, runtime: C:\tools\jdk\openjdk11
Which is much better and correct to compile code written with the Java 11 specifications.
This worked for me.
application.properties
, used jdbc-url instead of url:
datasource.apidb.jdbc-url=jdbc:mysql://localhost:3306/apidb?useSSL=false
datasource.apidb.username=root
datasource.apidb.password=123
datasource.apidb.driver-class-name=com.mysql.jdbc.Driver
Configuration class:
@Configuration
@EnableJpaRepositories(
entityManagerFactoryRef = "fooEntityManagerFactory",
basePackages = {"com.buddhi.multidatasource.foo.repository"}
)
public class FooDataSourceConfig {
@Bean(name = "fooDataSource")
@ConfigurationProperties(prefix = "datasource.foo")
public HikariDataSource dataSource() {
return DataSourceBuilder.create().type(HikariDataSource.class).build();
}
@Bean(name = "fooEntityManagerFactory")
public LocalContainerEntityManagerFactoryBean fooEntityManagerFactory(
EntityManagerFactoryBuilder builder,
@Qualifier("fooDataSource") DataSource dataSource
) {
return builder
.dataSource(dataSource)
.packages("com.buddhi.multidatasource.foo.model")
.persistenceUnit("fooDb")
.build();
}
}
IF you want to derive usg Boolean true False need to add "[]" around value
<form [formGroup]="form">
<input type="radio" [value]=true formControlName="gender" >Male
<input type="radio" [value]=false formControlName="gender">Female
</form>
I had the same issue, I could solve it by switching fom JDK 11 to JDK 8.
I had this error and no meaningful message to tell me what was wrong. I finally removed this line from gradle.properties and got a meaningful error message.
android.enableAapt2=false
In my case somebody on the team had changed a .jpg extension to a .png and the file header didn't match the extension. Fun.
You can get a client
with new session directly like below.
s3_client = boto3.client('s3',
aws_access_key_id=settings.AWS_SERVER_PUBLIC_KEY,
aws_secret_access_key=settings.AWS_SERVER_SECRET_KEY,
region_name=REGION_NAME
)
I also have the same error. I have updated the jackson library version and error has gone.
<!-- Jackson to convert Java object to Json -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.4</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.9.4</version>
</dependency>
</dependencies>
and also check your data classes that have you created getters and setters for all the properties.
run gradle assembleDebug --scan
in Android studio Terminal, in my case I removed an element in XML and forgotten to remove it from code, but the compiler couldn't compile and show Error:Execution failed for task ':app:compileDebugKotlin'. > Compilation error. See log for more details
to me.
you have to be careful because reseved words are not only for table names, also you have to check column names, my mistake was that one of my columns was named "user". If you are using PostgreSQL the correct dialect is: org.hibernate.dialect.PostgreSQLDialect
cheers.
The above answers will work, but just in case you want a different approach, try classname: https://github.com/JedWatson/classnames
I tried many steps to get this issue corrected. There are so many sources for possible solutions to this issue that is is hard to filter out the sense from the nonsense. I finally found a good solution here:
Step 1: Identify the Database Version
$ mysql --version
You'll see some output like this with MySQL:
$ mysql Ver 14.14 Distrib 5.7.16, for Linux (x86_64) using EditLine wrapper
Or output like this for MariaDB:
mysql Ver 15.1 Distrib 5.5.52-MariaDB, for Linux (x86_64) using readline 5.1
Make note of which database and which version you're running, as you'll use them later. Next, you need to stop the database so you can access it manually.
Step 2: Stopping the Database Server
To change the root password, you have to shut down the database server beforehand.
You can do that for MySQL with:
$ sudo systemctl stop mysql
And for MariaDB with:
$ sudo systemctl stop mariadb
Step 3: Restarting the Database Server Without Permission Checking
If you run MySQL and MariaDB without loading information about user privileges, it will allow you to access the database command line with root privileges without providing a password. This will allow you to gain access to the database without knowing it.
To do this, you need to stop the database from loading the grant tables, which store user privilege information. Because this is a bit of a security risk, you should also skip networking as well to prevent other clients from connecting.
Start the database without loading the grant tables or enabling networking:
$ sudo mysqld_safe --skip-grant-tables --skip-networking &
The ampersand at the end of this command will make this process run in the background so you can continue to use your terminal.
Now you can connect to the database as the root user, which should not ask for a password.
$ mysql -u root
You'll immediately see a database shell prompt instead.
MySQL Prompt
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>
MariaDB Prompt
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
MariaDB [(none)]>
Now that you have root access, you can change the root password.
Step 4: Changing the Root Password
mysql> FLUSH PRIVILEGES;
Now we can actually change the root password.
For MySQL 5.7.6 and newer as well as MariaDB 10.1.20 and newer, use the following command:
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'new_password';
For MySQL 5.7.5 and older as well as MariaDB 10.1.20 and older, use:
mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('new_password');
Make sure to replace new_password
with your new password of choice.
Note: If the ALTER USER
command doesn't work, it's usually indicative of a bigger problem. However, you can try UPDATE ... SET
to reset the root password instead.
[IMPORTANT] This is the specific line that fixed my particular issue:
mysql> UPDATE mysql.user SET authentication_string = PASSWORD('new_password') WHERE User = 'root' AND Host = 'localhost';
Remember to reload the grant tables after this.
In either case, you should see confirmation that the command has been successfully executed.
Query OK, 0 rows affected (0.00 sec)
The password has been changed, so you can now stop the manual instance of the database server and restart it as it was before.
Step 5: Restart the Database Server Normally
The tutorial goes into some further steps to restart the database, but the only piece I used was this:
For MySQL, use: $ sudo systemctl start mysql
For MariaDB, use:
$ sudo systemctl start mariadb
Now you can confirm that the new password has been applied correctly by running:
$ mysql -u root -p
The command should now prompt for the newly assigned password. Enter it, and you should gain access to the database prompt as expected.
Conclusion
You now have administrative access to the MySQL or MariaDB server restored. Make sure the new root password you choose is strong and secure and keep it in safe place.
For the Collatz problem, you can get a significant boost in performance by caching the "tails". This is a time/memory trade-off. See: memoization (https://en.wikipedia.org/wiki/Memoization). You could also look into dynamic programming solutions for other time/memory trade-offs.
Example python implementation:
import sys
inner_loop = 0
def collatz_sequence(N, cache):
global inner_loop
l = [ ]
stop = False
n = N
tails = [ ]
while not stop:
inner_loop += 1
tmp = n
l.append(n)
if n <= 1:
stop = True
elif n in cache:
stop = True
elif n % 2:
n = 3*n + 1
else:
n = n // 2
tails.append((tmp, len(l)))
for key, offset in tails:
if not key in cache:
cache[key] = l[offset:]
return l
def gen_sequence(l, cache):
for elem in l:
yield elem
if elem in cache:
yield from gen_sequence(cache[elem], cache)
raise StopIteration
if __name__ == "__main__":
le_cache = {}
for n in range(1, 4711, 5):
l = collatz_sequence(n, le_cache)
print("{}: {}".format(n, len(list(gen_sequence(l, le_cache)))))
print("inner_loop = {}".format(inner_loop))
In addition to what Thomas Kåsene said, you can also add
@SpringBootTest(classes=com.package.path.class)
to the test annotation to specify where it should look for the other class if you didn't want to refactor your file hierarchy. This is what the error message hints at by saying:
Unable to find a @SpringBootConfiguration, you need to use @ContextConfiguration or @SpringBootTest(classes=...) ...
For me, I was relying on IAM EC2 roles
to give access to our machines to specific resources.
I didn't even know there was a credentials
file at ~/.aws/credentials
, until I rotated/removed some of our accessKeys at the IAM console to tighten our security, and that suddenly made one of the scripts stop working on a single machine.
Deleting that credentials
file fixed it for me.
To get around sandboxing of SCM stored Groovy scripts, I recommend to run the script as Groovy Command (instead of Groovy Script file):
import hudson.FilePath
final GROOVY_SCRIPT = "workspace/relative/path/to/the/checked/out/groovy/script.groovy"
evaluate(new FilePath(build.workspace, GROOVY_SCRIPT).read().text)
in such case, the groovy script is transferred from the workspace to the Jenkins Master where it can be executed as a system Groovy Script
. The sandboxing is suppressed as long as the Use Groovy Sandbox is not checked.
This is what worked for me. Issue is earlier I didn't set Content Type(header) when I used exchange method.
MultiValueMap<String, String> map = new LinkedMultiValueMap<String, String>();
map.add("param1", "123");
map.add("param2", "456");
map.add("param3", "789");
map.add("param4", "123");
map.add("param5", "456");
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
final HttpEntity<MultiValueMap<String, String>> entity = new HttpEntity<MultiValueMap<String, String>>(map ,
headers);
JSONObject jsonObject = null;
try {
RestTemplate restTemplate = new RestTemplate();
ResponseEntity<String> responseEntity = restTemplate.exchange(
"https://url", HttpMethod.POST, entity,
String.class);
if (responseEntity.getStatusCode() == HttpStatus.CREATED) {
try {
jsonObject = new JSONObject(responseEntity.getBody());
} catch (JSONException e) {
throw new RuntimeException("JSONException occurred");
}
}
} catch (final HttpClientErrorException httpClientErrorException) {
throw new ExternalCallBadRequestException();
} catch (HttpServerErrorException httpServerErrorException) {
throw new ExternalCallServerErrorException(httpServerErrorException);
} catch (Exception exception) {
throw new ExternalCallServerErrorException(exception);
}
ExternalCallBadRequestException and ExternalCallServerErrorException are the custom exceptions here.
Note: Remember HttpClientErrorException is thrown when a 4xx error is received. So if the request you send is wrong either setting header or sending wrong data, you could receive this exception.
Add multiDexEnabled in gradle (app level) like this:
defaultConfig {
...
...
multiDexEnabled true
}
I found some issue about that kind of error
# ===============================
# = DATA SOURCE
# ===============================
# Set here configurations for the database connection
# Connection url for the database please let me know "[email protected]"
spring.datasource.url = jdbc:mysql://localhost:3306/bookstoreapiabc
# Username and secret
spring.datasource.username = root
spring.datasource.password =
# Keep the connection alive if idle for a long time (needed in production)
spring.datasource.testWhileIdle = true
spring.datasource.validationQuery = SELECT 1
# ===============================
# = JPA / HIBERNATE
# ===============================
# Use spring.jpa.properties.* for Hibernate native properties (the prefix is
# stripped before adding them to the entity manager).
# Show or not log for each sql query
spring.jpa.show-sql = true
# Hibernate ddl auto (create, create-drop, update): with "update" the database
# schema will be automatically updated accordingly to java entities found in
# the project
spring.jpa.hibernate.ddl-auto = update
# Allows Hibernate to generate SQL optimized for a particular DBMS
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5Dialect
Issue no 2.
Your local server has two database server and those database server conflict. this conflict like this mysql server & xampp or lampp or wamp server. Please one of the database like mysql server because xampp or lampp server automatically install mysql server on this machine
I had this problem, I checked my code. I tried to fix everything that was mentioned here. lastly the problem was so stupid. My device's Sync
was off. that was the only reason I wasn't receiving notifications as expected.
Your test requires a ServletContext: add @WebIntegrationTest
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = AppConfig.class, loader = AnnotationConfigContextLoader.class)
@WebIntegrationTest
public class UserServiceImplIT
...or look here for other options: https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-testing.html
UPDATE
In Spring Boot 1.4.x and above @WebIntegrationTest
is no longer preferred. @SpringBootTest
or @WebMvcTest
So In my case, After trying all the above options, I realized it was VPN (company firewall).once connected and ran cmd: clean install spring-boot:run. Issue is resolved. Step 1: check maven is configured correctly or not. Step 2: check settings.xml is mapped correctly or not. Step 3: verify if you are behind any firewall then map your repo urls accordingly. Step 4:run clean install spring-boot:run step 5: issue is resolved.
try in cmd: mvn clean install -Dskiptests=true
that'll skip all unit test. Might be It'll work fine for you.
Any chance that you changed the name of your table view from "tableView" to "myTableView" at some point?
This happened to me when I upgraded. I had to downgrade back.
react-redux ^5.0.6 ? ^7.1.3
I've updated jdk to 1.8.0_74, Android-studio to 2.1 preview 1 and add to Application file
@Override
protected void attachBaseContext(Context base) {
super.attachBaseContext(base);
MultiDex.install(this);
}
The following worked for me
import java.time.*;
import java.time.format.*;
public class Times {
public static void main(String[] args) {
final String dateTime = "2012-02-22T02:06:58.147Z";
DateTimeFormatter formatter = DateTimeFormatter.ISO_INSTANT;
final ZonedDateTime parsed = ZonedDateTime.parse(dateTime, formatter.withZone(ZoneId.of("UTC")));
System.out.println(parsed.toLocalDateTime());
}
}
and gave me output as
2012-02-22T02:06:58.147
just open the hive terminal from the hive folder,after editing (bashrc) and (hive-site.xml) files. Steps-- open hive folder where it is installed. now open terminal from folder.
The softmax function is an activation function that turns numbers into probabilities which sum to one. The softmax function outputs a vector that represents the probability distributions of a list of outcomes. It is also a core element used in deep learning classification tasks.
Softmax function is used when we have multiple classes.
It is useful for finding out the class which has the max. Probability.
The Softmax function is ideally used in the output layer, where we are actually trying to attain the probabilities to define the class of each input.
It ranges from 0 to 1.
Softmax function turns logits [2.0, 1.0, 0.1] into probabilities [0.7, 0.2, 0.1], and the probabilities sum to 1. Logits are the raw scores output by the last layer of a neural network. Before activation takes place. To understand the softmax function, we must look at the output of the (n-1)th layer.
The softmax function is, in fact, an arg max function. That means that it does not return the largest value from the input, but the position of the largest values.
For example:
Before softmax
X = [13, 31, 5]
After softmax
array([1.52299795e-08, 9.99999985e-01, 5.10908895e-12]
Code:
import numpy as np
# your solution:
def your_softmax(x):
"""Compute softmax values for each sets of scores in x."""
e_x = np.exp(x - np.max(x))
return e_x / e_x.sum()
# correct solution:
def softmax(x):
"""Compute softmax values for each sets of scores in x."""
e_x = np.exp(x - np.max(x))
return e_x / e_x.sum(axis=0)
# only difference
I found out that it also happens if you uninstalled some packages from your react-native project and there is still packages in your build gradle dependencies in the bottom of page like:
{
project(':react-native-sound-player')
}
One solution is to create a named class instead of using an anonymous class. Give that named class a constructor that takes whatever parameters you wish and assigns them to class fields:
class MenuActionListener implements ActionListener {
private Color kolorIkony;
public MenuActionListener(Color kolorIkony) {
this.kolorIkony = kolorIkony
}
@Override
public void actionPerformed(ActionEvent e) {
JMenuItem item = (JMenuItem) e.getSource();
IconA icon = (IconA) item.getIcon();
// Use the class field here
textArea.setForeground(kolorIkony);
}
});
Now you can create an instance of this class as usual:
Jmi.addActionListener(new MenuActionListener(getColor(colors[mi]));
This is what you're looking for.
I had this problem too. And like you, the answer is very hard to find. But there IS an easy way to get the ViewHolder from a specific position (something you'll probably do a lot in the Adapter).
myRecyclerView.findViewHolderForAdapterPosition(pos);
NOTE: If the View has been recycled, this will return null
. Thanks to Michael for quickly catching my important omission.
I managed to fix it finally. The problem is not related to HikariCP.
The problem persisted because of some complex methods in REST controllers executing multiple changes in DB through JPA repositories. For some reasons calls to these interfaces resulted in a growing number of "freezed" active connections, exhausting the pool. Either annotating these methods as @Transactional
or enveloping all the logic in a single call to transactional service method seem to solve the problem.
The mainly problem are corrupted jars.
To find the corrupted one, you need to add a Java Exception Breakpoint in the Breakpoints View of Eclipse, or your preferred IDE, select the java.util.zip.ZipException
class, and restart Tomcat instance.
When the JVM suspends at ZipException
breakpoint you must go to
JarFile.getManifestFromReference()
in the stack trace, and check attribute name
to see the filename.
After that, you should delete the file from file system and then right click your project, select Maven, Update Project, check on Force Update of Snapshots/Releases.
I fixed with this Command:
rm -rf app/storage/logs/laravel.logs
chmod -R 777 app/storage,
php artisan cache:clear,
php artisan dump-autoload OR composer dump-autoload
Than restart a server eather XAMPP ore another one and that should be working.
Just clarifying what worked for me after much pain in linux (ubuntu based) on permission denied errors, and leveraging from Bert's answer above, I now use ...
$ pip install --user <package-name>
or if running pip on a requirements file ...
$ pip install --user -r requirements.txt
and these work reliably for every pip install including creating virtual environments.
However, the cleanest solution in my further experience has been to install python-virtualenv
and virtualenvwrapper
with sudo apt-get install
at the system level.
Then, inside virtual environments, use pip install
without the --user
flag AND without sudo
. Much cleaner, safer, and easier overall.
You should enable your interceptor extension man manually, it locate in the top-right of your postman window. There are several buttons, find the interceptor button and enable it, then you can send cookies after set Cookie field in your request headers.
I faced the same problem and was frustrated to see as to all options i tried and none of them work,
Turns out once you have configured everything correctly including settings.xml
just clear your local repository folder and try mvn commands. That greatly helped me
Hope this helps others
Found a way to run the test in Android Studio. Apparently running it using Gradle Configuration will not execute any test. Instead I use JUnit Configuration. The simple way to do so is go to Select your Test Class to run and Right Click. Then choose Run. After that you'll see 2 run options. Select the bottom one (JUnit) as per the image
(note: If you can't find 2 Run Configuration to select, you'll need to remove your earlier used Configuration (Gradle Configuration) first. That could be done by Clicking on the "Select Run/Debug Configuration" icon in the Top Toolbar.
Swift 3 For displaying UIAlertController from UIBarButtonItem on iPad
let alert = UIAlertController(title: "Title", message: "Please Select an Option", preferredStyle: .actionSheet)
alert.addAction(UIAlertAction(title: "Approve", style: .default , handler:{ (UIAlertAction)in
print("User click Approve button")
}))
alert.addAction(UIAlertAction(title: "Edit", style: .default , handler:{ (UIAlertAction)in
print("User click Edit button")
}))
alert.addAction(UIAlertAction(title: "Delete", style: .destructive , handler:{ (UIAlertAction)in
print("User click Delete button")
}))
alert.addAction(UIAlertAction(title: "Dismiss", style: UIAlertActionStyle.cancel, handler:{ (UIAlertAction)in
print("User click Dismiss button")
}))
if let presenter = alert.popoverPresentationController {
presenter.barButtonItem = sender
}
self.present(alert, animated: true, completion: {
print("completion block")
})
To have a constant date format irrespective of the computer settings, you must use 3 different input elements to capture day, month, and year respectively. However, you need to validate the user input to ensure that you have a valid date as shown bellow
<input id="txtDay" type="text" placeholder="DD" />
<input id="txtMonth" type="text" placeholder="MM" />
<input id="txtYear" type="text" placeholder="YYYY" />
<button id="but" onclick="validateDate()">Validate</button>
function validateDate() {
var date = new Date(document.getElementById("txtYear").value, document.getElementById("txtMonth").value, document.getElementById("txtDay").value);
if (date == "Invalid Date") {
alert("jnvalid date");
}
}
Well, you're getting a java.lang.NoClassDefFoundError
. In your pom.xml
, hibernate-core
version is 3.3.2.GA
and declared after hibernate-entitymanager
, so it prevails. You can remove that dependency, since will be inherited version 3.6.7.Final
from hibernate-entitymanager
.
You're using spring-boot
as parent, so no need to declare version of some dependencies, since they are managed by spring-boot
.
Also, hibernate-commons-annotations
is inherited from hibernate-entitymanager
and hibernate-annotations
is an old version of hibernate-commons-annotations
, you can remove both.
Finally, your pom.xml
can look like this:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.elsys.internetprogramming.trafficspy.server</groupId>
<artifactId>TrafficSpyService</artifactId>
<version>0.1.0</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.2.3.RELEASE</version>
</parent>
<dependencies>
<!-- Spring -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cloud-connectors</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.eclipse.persistence</groupId>
<artifactId>javax.persistence</artifactId>
<version>2.0.0</version>
</dependency>
<!-- Hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
</dependency>
<dependency>
<groupId>commons-pool</groupId>
<artifactId>commons-pool</artifactId>
</dependency>
<!-- MySQL -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
</dependencies>
<properties>
<java.version>1.7</java.version>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-releases</id>
<url>https://repo.spring.io/libs-release</url>
</repository>
<repository>
<id>codehaus</id>
<url>http://repository.codehaus.org/org/codehaus</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-releases</id>
<url>https://repo.spring.io/libs-release</url>
</pluginRepository>
</pluginRepositories>
</project>
Let me know if you have a problem.
I had the same problem, but look at this image and I`m sure u can find the answer in such situation...the problem was in a png file. when I fixed what android studio asked me, it worked. I hope it works for U too. click this photo... it shows where is the problem and what it is
Apart from the accepted answer, other problems can cause the exception too. For me it was that the certificate was not trusted (i.e., self-signed cert and not in the trust store).
If the certificate file does not exists, or could not be loaded (e.g., typo in path) can---in certain circumstances---cause the same exception.
For Swift 4:
let tap = UITapGestureRecognizer(target: self, action: #selector(self.handleTap(_:)))
view.addGestureRecognizer(tap)
view.isUserInteractionEnabled = true
self.view.addSubview(view)
// function which is triggered when handleTap is called
@objc func handleTap(_ sender: UITapGestureRecognizer) {
print("Hello World")
}
In Swift 4, you need to explicitly indicate that the triggered function is callable from Objective-C, so you need to add @objc too your handleTap function.
See @Ali Beadle 's answer here: Swift 4 add gesture: override vs @objc
Make sure HDFS is online. Start it by $HADOOP_HOME/sbin/start-dfs.sh
Once you do that, your test with telnet localhost 9001
should work.
I've just had this same issue with Ionic.
It turns out nothing was wrong with my code, I simply had to quit the ionic serve session and run ionic serve again.
After going back into the app, my states worked fine.
I would also suggest pressing save on your app.js file a few times if you are running gulp, to make sure everything gets re-compiled.
This link has solution of how to get it working. Removing "pom.xml" from the "Profiles:" line and then click "Run".
This issue might also be caused by a broken Maven repository.
I observe the SEVERE: A child container failed during start
message from time to time when working with Eclipse. My Eclipse workspace has several projects. Some of the projects have common external dependencies. If Maven repository is empty (or I add new dependencies into pom.xml
files), Eclipse starts downloading libraries specified in pom.xml
into Maven repository. And Eclipse does that in parallel for several projects in the workspace. It might happen that several Eclipse threads would be downloading the same file simultaneously into the same place in Maven repository. As a result, this file becomes corrupted.
So, this is how you could resolve the issue.
rm -rf $HOME/.m2
).mvn package
in the command line. It is important to run the command for each project one-by-one, not in parallel; thus, you ensure that only one instance of Maven runs each time.I have also recieved this issue inside of InteliJ.
Go to the gradle/wrapper folder and modify distributionUrl inside of gradle-wrapper.properties to a correct version.
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
Be sure to install lodash in the required folder. This is probably your C:\gwsk directory.
If that folder has a package.json file, it is also best to add --save behind the install command.
$ npm install lodash --save
The package.json file holds information about the project, but to keep it simple, it holds your project dependencies.
The save command will add the installed module to the project dependencies.
If the package.json file exists, and if it contains the lodash dependency you could try to remove the node_modules folder and run following command:
$ npm cache clean
$ npm install
The first command will clean the npm cache. (just to be sure) The second command will install all (missing) dependencies of the project.
Hope this helps you understand the node package manager a little bit more.
Your controller method should be like this:
@RequestMapping(value = " /<your mapping>/{id}", method=RequestMethod.GET)
public String listNotes(@PathVariable("id")int id,Model model) {
Person person = personService.getCurrentlyAuthenticatedUser();
int id = 2323; // Currently passing static values for testing
model.addAttribute("person", new Person());
model.addAttribute("listPersons", this.personService.listPersons());
model.addAttribute("listNotes",this.notesService.listNotesBySectionId(id,person));
return "note";
}
Use the id
in your code, call the controller method from your JSP as:
/{your mapping}/{your id}
UPDATE:
Change your jsp code to:
<c:forEach items="${listNotes}" var="notices" varStatus="status">
<tr>
<td>${notices.noticesid}</td>
<td>${notices.notetext}</td>
<td>${notices.notetag}</td>
<td>${notices.notecolor}</td>
<td>${notices.sectionid}</td>
<td>${notices.canvasid}</td>
<td>${notices.canvasnName}</td>
<td>${notices.personid}</td>
<td><a href="<c:url value='/editnote/${listNotes[status.index].noticesid}' />" >Edit</a></td>
<td><a href="<c:url value='/removenote/${listNotes[status.index].noticesid}' />" >Delete</a></td>
</tr>
</c:forEach>
Personally, to deal with empty responses, I use in my Integration Tests the MockMvcResponse object like this :
MockMvcResponse response = RestAssuredMockMvc.given()
.webAppContextSetup(webApplicationContext)
.when()
.get("/v1/ticket");
assertThat(response.mockHttpServletResponse().getStatus()).isEqualTo(HttpStatus.NO_CONTENT.value());
and in my controller I return empty response in a specific case like this :
return ResponseEntity.noContent().build();
Please find this category. I am able to change FONT and Color of UIAlertAction and UIAlertController.
Use:
UILabel * appearanceLabel = [UILabel appearanceWhenContainedIn:UIAlertController.class, nil];
[appearanceLabel setAppearanceFont:yourDesireFont]];
Swift 4:
I was getting this error because of a change in the UIVisualEffectView api. In Swift 3 it was ok to do this:
myVisuallEffectView.addSubview(someSubview)
But in Swift 4 I had to change it to this:
myVisualEffectView.contentView.addSubview(someSubview)
in my case, it was a confilict with IntelliJ , I've resolved it by building the project from command line and it worked!
I ran into this problem in the same situation, and I wrote up a detailed answer to a related question on stack overflow explaining how to more easily modify the system's cacerts using a GUI tool. I think it's a little bit better than using a one-off keystore for a specific project or modifying the settings for maven (which may cause trouble down the road).
You have to override CLLocationManager.didUpdateLocations
(part of CLLocationManagerDelegate) to get notified when the location manager retrieves the current location:
func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
if let location = locations.last{
let center = CLLocationCoordinate2D(latitude: location.coordinate.latitude, longitude: location.coordinate.longitude)
let region = MKCoordinateRegion(center: center, span: MKCoordinateSpan(latitudeDelta: 0.01, longitudeDelta: 0.01))
self.map.setRegion(region, animated: true)
}
}
NOTE: If your target is iOS 8 or above, you must include the NSLocationAlwaysUsageDescription
or NSLocationWhenInUseUsageDescription
key in your Info.plist to get the location services to work.
If you just want to append a class in case of an error you can use th:errorclass="my-error-class"
mentionned in the doc.
<input type="text" th:field="*{datePlanted}" class="small" th:errorclass="fieldError" />
Applied to a form field tag (input, select, textarea…), it will read the name of the field to be examined from any existing name or th:field attributes in the same tag, and then append the specified CSS class to the tag if such field has any associated errors
Reload collectionView on Main Thread
DispatchQueue.main.async {
self.collectionView.reloadData()
}
The problem is that you used the select option, this is where you went wrong. Select signifies that a textbox or textArea has a focus. What you need to do is use change. "Fires when a new choice is made in a select element", also used like blur when moving away from a textbox or textArea.
function start(){
document.getElementById("activitySelector").addEventListener("change", addActivityItem, false);
}
function addActivityItem(){
//option is selected
alert("yeah");
}
window.addEventListener("load", start, false);
Failed to transfer file:
http://mcpappxxxp.dev.chx.s.com:18080/artifactory/mcprepo-release-local/Shop/loyalty-telluride/01.16.03/loyalty-tell-01.16.03.jar.
Return code is: 401, ReasonPhrase: Unauthorized. -> [Help 1]
Solution:
In this case you need to change the version in the pom file, and try to use a new version.
Here 01.16.03 already exist so it was failing and when i have tried with the 01.16.04 version the job went successful.
If the value is a String, then this might work:
map.entrySet().stream().collect(Collectors.toMap(e -> e.getKey(), e -> Optional.ofNullable(e.getValue()).orElse("")))
You can do it as simple as this using swift 2:
let alertController = UIAlertController(title: "iOScreator", message:
"Hello, world!", preferredStyle: UIAlertControllerStyle.Alert)
alertController.addAction(UIAlertAction(title: "Dismiss", style: UIAlertActionStyle.Destructive,handler: { action in
self.pressed()
}))
func pressed()
{
print("you pressed")
}
**or**
let alertController = UIAlertController(title: "iOScreator", message:
"Hello, world!", preferredStyle: UIAlertControllerStyle.Alert)
alertController.addAction(UIAlertAction(title: "Dismiss", style: UIAlertActionStyle.Destructive,handler: { action in
print("pressed")
}))
All the answers above are correct i am just showing another way that can be done.
I'd the similar problem and excluding the DataSourceAutoConfiguration and HibernateJpaAutoConfiguration solved the problem.
I have added these two lines in my application.properties file and it worked.
> spring.autoconfigure.exclude[0]=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration
> spring.autoconfigure.exclude[1]=org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration
Iknow It is too old to answer, but I couldn't find solution like this.
The code that worked for me with the jersey client:
import org.glassfish.jersey.client.ClientConfig;
import org.glassfish.jersey.client.ClientProperties;
import javax.net.ssl.*;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Form;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedHashMap;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
public class Testi {
static {
disableSslVerification();
}
private static void disableSslVerification() {
// Create all-trusting host name verifier
HostnameVerifier allHostsValid = new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) {
return true;
}
};
// Install the all-trusting host verifier
HttpsURLConnection.setDefaultHostnameVerifier(allHostsValid);
}
public Testi() {
MultivaluedHashMap<String, Object> headers = new MultivaluedHashMap<>();
//... initialize headers
Form form = new Form();
Entity<Form> entity = Entity.entity(form, MediaType.APPLICATION_FORM_URLENCODED_TYPE);
// initialize entity ...
WebTarget target = getWebTarget();
Object responseResult = target.path("api/test/path...").request()
.headers(headers).post(entity, Object.class);
}
public static void main(String args[]) {
new Testi();
}
private WebTarget getWebTarget() {
ClientConfig clientConfig = new ClientConfig();
clientConfig.property(ClientProperties.CONNECT_TIMEOUT, 30000);
clientConfig.property(ClientProperties.READ_TIMEOUT, 30000);
SSLContext sc = getSSLContext();
Client client = ClientBuilder.newBuilder().sslContext(sc).withConfig(clientConfig).build();
WebTarget target = client.target("...url...");
return target;
}
private SSLContext getSSLContext() {
try {
// Create a trust manager that does not validate certificate chains
TrustManager[] trustAllCerts = new TrustManager[]{new X509TrustManager() {
@Override
public void checkClientTrusted(java.security.cert.X509Certificate[] x509Certificates, String s) throws CertificateException {
}
@Override
public void checkServerTrusted(java.security.cert.X509Certificate[] x509Certificates, String s) throws CertificateException {
}
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
}
};
// Install the all-trusting trust manager
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, trustAllCerts, new java.security.SecureRandom());
return sc;
} catch (NoSuchAlgorithmException | KeyManagementException e) {
e.printStackTrace();
}
return null;
}
}
If you are sure you haven't messed the jar, then please clean the project and perform mvn clean install
. This should solve the problem.
With Spring Boot + Spring Data it has become quite easy:
@RunWith(SpringRunner.class)
@DataJpaTest
public class MyRepositoryTest {
@Autowired
MyRepository subject;
@Test
public void myTest() throws Exception {
subject.save(new MyEntity());
}
}
The solution by @heez brings up the full context, this only bring up what is needed for JPA+Transaction to work. Note that the solution above will bring up a in memory test database given that one can be found on the classpath.
inside your onClickListener.onClick, put
getFragmentManager().beginTransaction().replace(R.id.container, new tasks()).commit();
In another word, in your mycontacts.class
public class mycontacts extends Fragment {
public mycontacts() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final View v = super.getView(position, convertView, parent);
ImageView purple = (ImageView) v.findViewById(R.id.imageView1);
purple.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
getFragmentManager()
.beginTransaction()
.replace(R.id.container, new tasks())
.commit();
}
});
return view;
}
}
now, remember R.id.container
is the container (FrameLayout or other layouts) for the activity that calls the fragment
I have also encountered this error . Just i opened the new window ie Window -> New Window in eclipse .Then , I closed my old window. This solved my problem.
Check all the references carefully
For me cleaning entire solution by deleting manually, updating (removing and adding) references again with version in sync with target machine and then building with with Copy Local > False for GAC assemblies solves the problem.
You need a ResourceLink in your META-INF/context.xml
file to make the global resource available to the web application.
<ResourceLink name="jdbc/mydb"
global="jdbc/mydb"
type="javax.sql.DataSource" />
Turns out that the post (or rather the whole table) was locked by the very same connection that I tried to update the post with.
I had a opened record set of the post that was created by:
Set RecSet = Conn.Execute()
This type of recordset is supposed to be read-only and when I was using MS Access as database it did not lock anything. But apparently this type of record set did lock something on MS SQL Server 2012 because when I added these lines of code before executing the UPDATE SQL statement...
RecSet.Close
Set RecSet = Nothing
...everything worked just fine.
So bottom line is to be careful with opened record sets - even if they are read-only they could lock your table from updates.
Just set Integrated Security=False
and it will work ,according to a comment difference between True
and False
is:
True
ignoresUser ID
andPassword
if provided and uses those of the running process,SSPI(Security Support Provider Interface )
it will use them if provided which is why MS prefers this. They are equivalent in that they use the same security mechanism to authenticate but that is it.
it turns out that I got this error because my requested module is not bundled in the minification prosses
due to path misspelling
so make sure that your module exists in minified js file (do search for a word within it to be sure)
Check your console. It says java.lang.SecurityException issue. Change your 'package name'. I changed my package name from 'java.assessment' to 'assesment' and it worked for me. If somebody knows the root cause , let me know please.
For ChromeDriver the below worked for me:
string chromeDriverDirectory = "C:\\temp\\2.37";
var options = new ChromeOptions();
options.AddArgument("-no-sandbox");
driver = new ChromeDriver(chromeDriverDirectory, options,
TimeSpan.FromMinutes(2));
Selenium version 3.11, ChromeDriver 2.37
You have to specify the projectBaseDir
if the module name doesn't match you module directory.
Since both your module are located in ".", you can simply add the following to your sonar-project properties:
module1.sonar.projectBaseDir=.
module2.sonar.projectBaseDir=.
Sonar will handle your modules as components of the project:
EDIT
If both of your modules are located in the same source directory, define the same source folder for both and exclude the unwanted packages with sonar.exclusions
:
module1.sonar.sources=src/main/java
module1.sonar.exclusions=app2code/**/*
module2.sonar.sources=src/main/java
module2.sonar.exclusions=app1code/**/*
the data you have entered a table(tbldomare) aren't match a data you have assigned primary key table. write between tbldomare and add this word (with nocheck) then execute your code.
for example you entered a table tbldomar this data
INSERT INTO tblDomare (PersNR,fNamn,eNamn,Erfarenhet)
Values (6811034679,'Bengt','Carlberg',10);
and you assigned a foreign key
table to accept only 1,2,3
.
you have two solutions one is delete the data you have entered a table then execute the code. another is write this word (with nocheck) put it between your table name and add like this
ALTER TABLE tblDomare with nocheck
ADD FOREIGN KEY (PersNR)
REFERENCES tblBana(BanNR);
Moq cannot mock non-virtual methods and sealed classes. While running a test using mock object, MOQ actually creates an in-memory proxy type which inherits from your "XmlCupboardAccess" and overrides the behaviors that you have set up in the "SetUp" method. And as you know in C#, you can override something only if it is marked as virtual which isn't the case with Java. Java assumes every non-static method to be virtual by default.
Another thing I believe you should consider is introducing an interface for your "CupboardAccess" and start mocking the interface instead. It would help you decouple your code and have benefits in the longer run.
Lastly, there are frameworks like : TypeMock and JustMock which work directly with the IL and hence can mock non-virtual methods. Both however, are commercial products.
In my case, I had a OneToOne relation which I was using with @Column
by mistake. I changed it to @JoinColumn
and added @OneToOne
annotation and it fixed the exception.
your 8080 port is already used by another application 1/ you can try to find out which app is using it, using "netstat -aon" and stop the process; 2/ you can go to server.xml and change from port 8080 to another one (ex: 8081)
We need to cover at least these aspects to provide a comprehensive answer/comparison (in no particular order of importance): Speed
, Memory usage
, Syntax
and Features
.
My intent is to cover each one of these as clearly as possible from data.table perspective.
Note: unless explicitly mentioned otherwise, by referring to dplyr, we refer to dplyr's data.frame interface whose internals are in C++ using Rcpp.
The data.table syntax is consistent in its form - DT[i, j, by]
. To keep i
, j
and by
together is by design. By keeping related operations together, it allows to easily optimise operations for speed and more importantly memory usage, and also provide some powerful features, all while maintaining the consistency in syntax.
Quite a few benchmarks (though mostly on grouping operations) have been added to the question already showing data.table gets faster than dplyr as the number of groups and/or rows to group by increase, including benchmarks by Matt on grouping from 10 million to 2 billion rows (100GB in RAM) on 100 - 10 million groups and varying grouping columns, which also compares pandas
. See also updated benchmarks, which include Spark
and pydatatable
as well.
On benchmarks, it would be great to cover these remaining aspects as well:
Grouping operations involving a subset of rows - i.e., DT[x > val, sum(y), by = z]
type operations.
Benchmark other operations such as update and joins.
Also benchmark memory footprint for each operation in addition to runtime.
Operations involving filter()
or slice()
in dplyr can be memory inefficient (on both data.frames and data.tables). See this post.
Note that Hadley's comment talks about speed (that dplyr is plentiful fast for him), whereas the major concern here is memory.
data.table interface at the moment allows one to modify/update columns by reference (note that we don't need to re-assign the result back to a variable).
# sub-assign by reference, updates 'y' in-place
DT[x >= 1L, y := NA]
But dplyr will never update by reference. The dplyr equivalent would be (note that the result needs to be re-assigned):
# copies the entire 'y' column
ans <- DF %>% mutate(y = replace(y, which(x >= 1L), NA))
A concern for this is referential transparency. Updating a data.table object by reference, especially within a function may not be always desirable. But this is an incredibly useful feature: see this and this posts for interesting cases. And we want to keep it.
Therefore we are working towards exporting shallow()
function in data.table that will provide the user with both possibilities. For example, if it is desirable to not modify the input data.table within a function, one can then do:
foo <- function(DT) {
DT = shallow(DT) ## shallow copy DT
DT[, newcol := 1L] ## does not affect the original DT
DT[x > 2L, newcol := 2L] ## no need to copy (internally), as this column exists only in shallow copied DT
DT[x > 2L, x := 3L] ## have to copy (like base R / dplyr does always); otherwise original DT will
## also get modified.
}
By not using shallow()
, the old functionality is retained:
bar <- function(DT) {
DT[, newcol := 1L] ## old behaviour, original DT gets updated by reference
DT[x > 2L, x := 3L] ## old behaviour, update column x in original DT.
}
By creating a shallow copy using shallow()
, we understand that you don't want to modify the original object. We take care of everything internally to ensure that while also ensuring to copy columns you modify only when it is absolutely necessary. When implemented, this should settle the referential transparency issue altogether while providing the user with both possibilties.
Also, once
shallow()
is exported dplyr's data.table interface should avoid almost all copies. So those who prefer dplyr's syntax can use it with data.tables.But it will still lack many features that data.table provides, including (sub)-assignment by reference.
Aggregate while joining:
Suppose you have two data.tables as follows:
DT1 = data.table(x=c(1,1,1,1,2,2,2,2), y=c("a", "a", "b", "b"), z=1:8, key=c("x", "y"))
# x y z
# 1: 1 a 1
# 2: 1 a 2
# 3: 1 b 3
# 4: 1 b 4
# 5: 2 a 5
# 6: 2 a 6
# 7: 2 b 7
# 8: 2 b 8
DT2 = data.table(x=1:2, y=c("a", "b"), mul=4:3, key=c("x", "y"))
# x y mul
# 1: 1 a 4
# 2: 2 b 3
And you would like to get sum(z) * mul
for each row in DT2
while joining by columns x,y
. We can either:
1) aggregate DT1
to get sum(z)
, 2) perform a join and 3) multiply (or)
# data.table way
DT1[, .(z = sum(z)), keyby = .(x,y)][DT2][, z := z*mul][]
# dplyr equivalent
DF1 %>% group_by(x, y) %>% summarise(z = sum(z)) %>%
right_join(DF2) %>% mutate(z = z * mul)
2) do it all in one go (using by = .EACHI
feature):
DT1[DT2, list(z=sum(z) * mul), by = .EACHI]
What is the advantage?
We don't have to allocate memory for the intermediate result.
We don't have to group/hash twice (one for aggregation and other for joining).
And more importantly, the operation what we wanted to perform is clear by looking at j
in (2).
Check this post for a detailed explanation of by = .EACHI
. No intermediate results are materialised, and the join+aggregate is performed all in one go.
Have a look at this, this and this posts for real usage scenarios.
In dplyr
you would have to join and aggregate or aggregate first and then join, neither of which are as efficient, in terms of memory (which in turn translates to speed).
Update and joins:
Consider the data.table code shown below:
DT1[DT2, col := i.mul]
adds/updates DT1
's column col
with mul
from DT2
on those rows where DT2
's key column matches DT1
. I don't think there is an exact equivalent of this operation in dplyr
, i.e., without avoiding a *_join
operation, which would have to copy the entire DT1
just to add a new column to it, which is unnecessary.
Check this post for a real usage scenario.
To summarise, it is important to realise that every bit of optimisation matters. As Grace Hopper would say, Mind your nanoseconds!
Let's now look at syntax. Hadley commented here:
Data tables are extremely fast but I think their concision makes it harder to learn and code that uses it is harder to read after you have written it ...
I find this remark pointless because it is very subjective. What we can perhaps try is to contrast consistency in syntax. We will compare data.table and dplyr syntax side-by-side.
We will work with the dummy data shown below:
DT = data.table(x=1:10, y=11:20, z=rep(1:2, each=5))
DF = as.data.frame(DT)
Basic aggregation/update operations.
# case (a)
DT[, sum(y), by = z] ## data.table syntax
DF %>% group_by(z) %>% summarise(sum(y)) ## dplyr syntax
DT[, y := cumsum(y), by = z]
ans <- DF %>% group_by(z) %>% mutate(y = cumsum(y))
# case (b)
DT[x > 2, sum(y), by = z]
DF %>% filter(x>2) %>% group_by(z) %>% summarise(sum(y))
DT[x > 2, y := cumsum(y), by = z]
ans <- DF %>% group_by(z) %>% mutate(y = replace(y, which(x > 2), cumsum(y)))
# case (c)
DT[, if(any(x > 5L)) y[1L]-y[2L] else y[2L], by = z]
DF %>% group_by(z) %>% summarise(if (any(x > 5L)) y[1L] - y[2L] else y[2L])
DT[, if(any(x > 5L)) y[1L] - y[2L], by = z]
DF %>% group_by(z) %>% filter(any(x > 5L)) %>% summarise(y[1L] - y[2L])
data.table syntax is compact and dplyr's quite verbose. Things are more or less equivalent in case (a).
In case (b), we had to use filter()
in dplyr while summarising. But while updating, we had to move the logic inside mutate()
. In data.table however, we express both operations with the same logic - operate on rows where x > 2
, but in first case, get sum(y)
, whereas in the second case update those rows for y
with its cumulative sum.
This is what we mean when we say the DT[i, j, by]
form is consistent.
Similarly in case (c), when we have if-else
condition, we are able to express the logic "as-is" in both data.table and dplyr. However, if we would like to return just those rows where the if
condition satisfies and skip otherwise, we cannot use summarise()
directly (AFAICT). We have to filter()
first and then summarise because summarise()
always expects a single value.
While it returns the same result, using filter()
here makes the actual operation less obvious.
It might very well be possible to use filter()
in the first case as well (does not seem obvious to me), but my point is that we should not have to.
Aggregation / update on multiple columns
# case (a)
DT[, lapply(.SD, sum), by = z] ## data.table syntax
DF %>% group_by(z) %>% summarise_each(funs(sum)) ## dplyr syntax
DT[, (cols) := lapply(.SD, sum), by = z]
ans <- DF %>% group_by(z) %>% mutate_each(funs(sum))
# case (b)
DT[, c(lapply(.SD, sum), lapply(.SD, mean)), by = z]
DF %>% group_by(z) %>% summarise_each(funs(sum, mean))
# case (c)
DT[, c(.N, lapply(.SD, sum)), by = z]
DF %>% group_by(z) %>% summarise_each(funs(n(), mean))
In case (a), the codes are more or less equivalent. data.table uses familiar base function lapply()
, whereas dplyr
introduces *_each()
along with a bunch of functions to funs()
.
data.table's :=
requires column names to be provided, whereas dplyr generates it automatically.
In case (b), dplyr's syntax is relatively straightforward. Improving aggregations/updates on multiple functions is on data.table's list.
In case (c) though, dplyr would return n()
as many times as many columns, instead of just once. In data.table, all we need to do is to return a list in j
. Each element of the list will become a column in the result. So, we can use, once again, the familiar base function c()
to concatenate .N
to a list
which returns a list
.
Note: Once again, in data.table, all we need to do is return a list in
j
. Each element of the list will become a column in result. You can usec()
,as.list()
,lapply()
,list()
etc... base functions to accomplish this, without having to learn any new functions.You will need to learn just the special variables -
.N
and.SD
at least. The equivalent in dplyr aren()
and.
Joins
dplyr provides separate functions for each type of join where as data.table allows joins using the same syntax DT[i, j, by]
(and with reason). It also provides an equivalent merge.data.table()
function as an alternative.
setkey(DT1, x, y)
# 1. normal join
DT1[DT2] ## data.table syntax
left_join(DT2, DT1) ## dplyr syntax
# 2. select columns while join
DT1[DT2, .(z, i.mul)]
left_join(select(DT2, x, y, mul), select(DT1, x, y, z))
# 3. aggregate while join
DT1[DT2, .(sum(z) * i.mul), by = .EACHI]
DF1 %>% group_by(x, y) %>% summarise(z = sum(z)) %>%
inner_join(DF2) %>% mutate(z = z*mul) %>% select(-mul)
# 4. update while join
DT1[DT2, z := cumsum(z) * i.mul, by = .EACHI]
??
# 5. rolling join
DT1[DT2, roll = -Inf]
??
# 6. other arguments to control output
DT1[DT2, mult = "first"]
??
Some might find a separate function for each joins much nicer (left, right, inner, anti, semi etc), whereas as others might like data.table's DT[i, j, by]
, or merge()
which is similar to base R.
However dplyr joins do just that. Nothing more. Nothing less.
data.tables can select columns while joining (2), and in dplyr you will need to select()
first on both data.frames before to join as shown above. Otherwise you would materialiase the join with unnecessary columns only to remove them later and that is inefficient.
data.tables can aggregate while joining (3) and also update while joining (4), using by = .EACHI
feature. Why materialse the entire join result to add/update just a few columns?
data.table is capable of rolling joins (5) - roll forward, LOCF, roll backward, NOCB, nearest.
data.table also has mult =
argument which selects first, last or all matches (6).
data.table has allow.cartesian = TRUE
argument to protect from accidental invalid joins.
Once again, the syntax is consistent with
DT[i, j, by]
with additional arguments allowing for controlling the output further.
do()
...
dplyr's summarise is specially designed for functions that return a single value. If your function returns multiple/unequal values, you will have to resort to do()
. You have to know beforehand about all your functions return value.
DT[, list(x[1], y[1]), by = z] ## data.table syntax
DF %>% group_by(z) %>% summarise(x[1], y[1]) ## dplyr syntax
DT[, list(x[1:2], y[1]), by = z]
DF %>% group_by(z) %>% do(data.frame(.$x[1:2], .$y[1]))
DT[, quantile(x, 0.25), by = z]
DF %>% group_by(z) %>% summarise(quantile(x, 0.25))
DT[, quantile(x, c(0.25, 0.75)), by = z]
DF %>% group_by(z) %>% do(data.frame(quantile(.$x, c(0.25, 0.75))))
DT[, as.list(summary(x)), by = z]
DF %>% group_by(z) %>% do(data.frame(as.list(summary(.$x))))
.SD
's equivalent is .
In data.table, you can throw pretty much anything in j
- the only thing to remember is for it to return a list so that each element of the list gets converted to a column.
In dplyr, cannot do that. Have to resort to do()
depending on how sure you are as to whether your function would always return a single value. And it is quite slow.
Once again, data.table's syntax is consistent with
DT[i, j, by]
. We can just keep throwing expressions inj
without having to worry about these things.
Have a look at this SO question and this one. I wonder if it would be possible to express the answer as straightforward using dplyr's syntax...
To summarise, I have particularly highlighted several instances where dplyr's syntax is either inefficient, limited or fails to make operations straightforward. This is particularly because data.table gets quite a bit of backlash about "harder to read/learn" syntax (like the one pasted/linked above). Most posts that cover dplyr talk about most straightforward operations. And that is great. But it is important to realise its syntax and feature limitations as well, and I am yet to see a post on it.
data.table has its quirks as well (some of which I have pointed out that we are attempting to fix). We are also attempting to improve data.table's joins as I have highlighted here.
But one should also consider the number of features that dplyr lacks in comparison to data.table.
I have pointed out most of the features here and also in this post. In addition:
fread - fast file reader has been available for a long time now.
fwrite - a parallelised fast file writer is now available. See this post for a detailed explanation on the implementation and #1664 for keeping track of further developments.
Automatic indexing - another handy feature to optimise base R syntax as is, internally.
Ad-hoc grouping: dplyr
automatically sorts the results by grouping variables during summarise()
, which may not be always desirable.
Numerous advantages in data.table joins (for speed / memory efficiency and syntax) mentioned above.
Non-equi joins: Allows joins using other operators <=, <, >, >=
along with all other advantages of data.table joins.
Overlapping range joins was implemented in data.table recently. Check this post for an overview with benchmarks.
setorder()
function in data.table that allows really fast reordering of data.tables by reference.
dplyr provides interface to databases using the same syntax, which data.table does not at the moment.
data.table
provides faster equivalents of set operations (written by Jan Gorecki) - fsetdiff
, fintersect
, funion
and fsetequal
with additional all
argument (as in SQL).
data.table loads cleanly with no masking warnings and has a mechanism described here for [.data.frame
compatibility when passed to any R package. dplyr changes base functions filter
, lag
and [
which can cause problems; e.g. here and here.
Finally:
On databases - there is no reason why data.table cannot provide similar interface, but this is not a priority now. It might get bumped up if users would very much like that feature.. not sure.
On parallelism - Everything is difficult, until someone goes ahead and does it. Of course it will take effort (being thread safe).
OpenMP
.Near the top of the code with the Public Workshop(), I am assumeing this bit,
suitButton = new JCheckBox("Suit");
suitButton.setMnemonic(KeyEvent.VK_Y);
suitButton = new JCheckBox("Denim Jeans");
suitButton.setMnemonic(KeyEvent.VK_U);
should maybe be,
suitButton = new JCheckBox("Suit");
suitButton.setMnemonic(KeyEvent.VK_Y);
denimjeansButton = new JCheckBox("Denim Jeans");
denimjeansButton.setMnemonic(KeyEvent.VK_U);
//Write a javascript method to bind click event of each "li" item
function BindClickEvent()
{
var selector = '.nav li';
//Removes click event of each li
$(selector ).unbind('click');
//Add click event
$(selector ).bind('click', function()
{
$(selector).removeClass('active');
$(this).addClass('active');
});
}
//first call this method when first time when page load
$( document ).ready(function() {
BindClickEvent();
});
//Call BindClickEvent method from server side
protected void Page_Load(object sender, EventArgs e)
{
ScriptManager.RegisterStartupScript(Page,GetType(), Guid.NewGuid().ToString(),"BindClickEvent();",true);
}
After hours of having the same problem, notice that if your jar is on the libs folder will cause problem once you set it upon the "Dependencies ", so i just comment the file tree dependencies and keep the one using
dependencies
//compile fileTree(dir: 'libs', include: ['*.jar']) <-------- commented one
compile 'com.google.android.gms:play-services:8.1.0'
compile 'com.android.support:appcompat-v7:22.2.1'
and the problem was solved.
After following Carlos steps I ended up deleting the
C:\Users\MyPath.AndroidStudioPreview Directory
Then re imported the project it seemed to fix my issue completely for the meanwhile, And speedup my AndroidStudio
Hope it helps anyone
Make sure that firefox must install on default place like ->(c:/Program Files (x86)/mozilla firefox OR c:/Program Files/mozilla firefox, note: at the time of firefox installation do not change the path so let it installing in default path) If firefox is installed on some other place then selenium show those error.
If you have set your firefox in Systems(Windows) environment variable then either remove it or update it with new firefox version path.
If you want to use Firefox in any other place then use below code:-
As FirefoxProfile is depricated we need to use FirefoxOptions as below:
New Code:
File pathBinary = new File("C:\\Program Files\\Mozilla Firefox\\firefox.exe");
FirefoxBinary firefoxBinary = new FirefoxBinary(pathBinary);
DesiredCapabilities desired = DesiredCapabilities.firefox();
FirefoxOptions options = new FirefoxOptions();
desired.setCapability(FirefoxOptions.FIREFOX_OPTIONS, options.setBinary(firefoxBinary));
The full working code of above code is as below:
System.setProperty("webdriver.gecko.driver","D:\\Workspace\\demoproject\\src\\lib\\geckodriver.exe");
File pathBinary = new File("C:\\Program Files\\Mozilla Firefox\\firefox.exe");
FirefoxBinary firefoxBinary = new FirefoxBinary(pathBinary);
DesiredCapabilities desired = DesiredCapabilities.firefox();
FirefoxOptions options = new FirefoxOptions();
desired.setCapability(FirefoxOptions.FIREFOX_OPTIONS, options.setBinary(firefoxBinary));
WebDriver driver = new FirefoxDriver(options);
driver.get("https://www.google.co.in/");
Download geckodriver for firefox from below URL:
https://github.com/mozilla/geckodriver/releases
Old Code which will work for old selenium jars versions
File pathBinary = new File("C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe");
FirefoxBinary firefoxBinary = new FirefoxBinary(pathBinary);
FirefoxProfile firefoxProfile = new FirefoxProfile();
WebDriver driver = new FirefoxDriver(firefoxBinary, firefoxProfile);
JButton#isEnabled
changes the user interactivity of a component, that is, whether a user is able to interact with it (press it) or not.
When a JButton
is pressed, it fires a actionPerformed
event.
You are receiving Add button is pressed
when you press the confirm button because the add button is enabled. As stated, it has nothing to do with the pressed start of the button.
Based on you code, if you tried to check the "pressed" start of the add button within the confirm button's ActionListener
it would always be false, as the button will only be in the pressed state while the add button's ActionListener
s are being called.
Based on all this information, I would suggest you might want to consider using a JCheckBox
which you can then use JCheckBox#isSelected
to determine if it has being checked or not.
Take a closer look at How to Use Buttons for more details
Using IntelliJ, I got this error when I tried to run a Spring app while there was one app already running. I had to stop the first one. After that, running the second app didn't return any errors.
I noticed this commit comment in AOSP, the solution will be to exclude some files using DSL. Probably when 0.7.1 is released.
commit e7669b24c1f23ba457fdee614ef7161b33feee69
Author: Xavier Ducrohet <--->
Date: Thu Dec 19 10:21:04 2013 -0800
Add DSL to exclude some files from packaging.
This only applies to files coming from jar dependencies.
The DSL is:
android {
packagingOptions {
exclude 'META-INF/LICENSE.txt'
}
}
Your Maven is reading Java version as 1.6.0_65, Where as the pom.xml says the version is 1.7.
Try installing the required verison.
If already installed check your $JAVA_HOME environment variable, it should contain the path of Java JDK 7. If you dont find it, fix your environment variable.
also remove the lines
<fork>true</fork>
<executable>${JAVA_1_7_HOME}/bin/javac</executable>
from the pom.xml
The json.load()
method (without "s" in "load") can read a file directly:
import json
with open('strings.json') as f:
d = json.load(f)
print(d)
You were using the json.loads()
method, which is used for string arguments only.
Edit: The new message is a totally different problem. In that case, there is some invalid json in that file. For that, I would recommend running the file through a json validator.
There are also solutions for fixing json like for example How do I automatically fix an invalid JSON string?.
In my case, the error was valid and it was due to using try with resource
try (ConfigurableApplicationContext cxt = new ClassPathXmlApplicationContext(
"classpath:application-main-config.xml")) {..
}
It auto closes the stream which should not happen if I want to reuse this context in other beans.
If you need to call the same method from both Activities why not then use a third object?
public class FirstActivity extends Activity
{
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main2);
}
// Utility.method() used somewhere in FirstActivity
}
public class Utility {
public static void method()
{
}
}
public class SecondActivity extends Activity
{
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main2);
Utility.method();
}
}
Of course making it static depends on the use case.
Please Check property name in the defualt call of repo e.i repository.findByUsername(username)
A really simple option that works with any website where you can upload Javascript is www.multilingualizer.com
It lets you put all text for all languages onto one page and then hides the languages the user doesn't need to see. Works well.
You can do that with lambda expressions;
private static final String BASE_URL = "http://api.example.org/data/2.5/forecast/daily";
private String getBaseUrl(Map<String, String> params) {
final Uri.Builder builder = Uri.parse(BASE_URL).buildUpon();
params.entrySet().forEach(entry -> builder.appendQueryParameter(entry.getKey(), entry.getValue()));
return builder.build().toString();
}
and you can create params like that;
Map<String, String> params = new HashMap<String, String>();
params.put("zip", "94043,us");
params.put("units", "metric");
Btw. If you will face any issue like “lambda expressions not supported at this language level”
, please check this URL;
How about this?
List<string> monValues = Application["mondayValues"] as List<string>;
int sum = monValues.ConvertAll(Convert.ToInt32).Sum();
In my case, I was creating the repository from source code already in my pc and that error appeared. I deleted the .git folder and did everything again and it worked :)
My solution below is for cases when default maven repositories are not accessible (e.g. due to firewalls).
In case the default repository is not accessible appropriate local <pluginRepository>
has to be specified in the settings.xml. If it's the same as your local artifact repository it still needs to be added to the <pluginRepositories>
section for plugin jars to be found. Regular <repositories>
section is not used to fetch plugin jars.
In my case, however, the issue was caused by the fact that there were multiple plugin repositories defined in that section.
The first repository in the list did not contain the required maven-filtering jar.
I had to change the order of <pluginRepository>
definitions to ensure the first one contains maven-filtering.
Changing of repository definitions typically requires to clean ~/.m2/repository and start fresh.
It looks like you added a dependency on a Paypal library but did not include that library in your project:
Caused by: java.lang.ClassNotFoundException: com.paypal.exception.SSLConfigurationException
I'm not sure which jar, but it is most likely paypal-core.jar
. Try adding it under WEB-INF/lib
.
You've imported the certificate into the truststore of the JRE provided in the JDK, but you are running the java.exe of the JRE installed directly.
EDIT
For clarity, and to resolve the morass of misunderstanding in the commentary below, you need to import the certificate into the cacerts
file of the JRE you are intending to use, and that will rarely if ever be the one shipping inside the JDK, because clients won't normally have a JDK. Anything in the commentary below that suggests otherwise should be ignored as not expressing my intention here.
A far better solution would be to create your own truststore, starting with a copy of the cacerts
file, and specifically tell Java to use that one via the system property javax.net.ssl.trustStore.
You should make building this part of your build process, so as to keep up to date with changes I the cacerts
file caused by JDK upgrades.
In case you wanted to do it with NodeJS: make a GET to JSON endpoint with Authorization
header and get a Promise
back:
First
npm install --save request request-promise
(see on npm) and then in your .js
file:
var requestPromise = require('request-promise');
var user = 'user';
var password = 'password';
var base64encodedData = Buffer.from(user + ':' + password).toString('base64');
requestPromise.get({
uri: 'https://example.org/whatever',
headers: {
'Authorization': 'Basic ' + base64encodedData
},
json: true
})
.then(function ok(jsonData) {
console.dir(jsonData);
})
.catch(function fail(error) {
// handle error
});
You shouldn't be importing android.R
. That should be automatically generated and recognized. This question contains a lot of helpful tips if you get some error referring to R
after removing the import.
Some basic steps after removing the import, if those errors appear:
[a-z0-9.]
. Capitals or symbols are not allowed for some reason.This Code May be Help you : [ Both maximizing and preventing resizing on a JFrame ]
frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
frame.setVisible(true);
frame.setResizable(false);
Normally, I would go with what the documentation says but if the instructor explicitly said to stick with JDK 6, I'd use JDK 6 because you would want your development environment to be as close as possible to the instructors. It would suck if you ran into an issue and having the thought in the back of your head that maybe it's because you're on JDK 7 that you're having the issue. Btw, I haven't touched Android recently but I personally never ran into issues when I was on JDK 7 but mind you, I only code Android apps casually.
I had this issue with a package that was added to my app (FancyShowCaseView) and caused this problem on pre-lolipop. that package was written in kotlin and my main codes were written in java. so now I'm checking version in pre-lolipop and don't let its class to be executed. temporary solved the problem. check this out if you have similar problem like me
It could be a duplicate permission added in the manifest file. In my case "uses-permission android:name="android.permission.READ_PHONE_STATE" was repeated.
Try to add the path to tnsnames.ora to the config file:
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<oracle.manageddataaccess.client>
<version number="4.112.3.60">
<settings>
<setting name="TNS_ADMIN" value="C:\oracle\product\10.2.0\client_1\NETWORK\ADMIN\" />
</settings>
</version>
</oracle.manageddataaccess.client>
</configuration>
Database rebuild fixed it for me as well. Also had to restore the old database from backup as it got corrupted during power outage... The copy master.mdf procedure did not work for me.
It is because your Maven not able to find settings file. If deleting .m2 not work, try below solution
Go to your JOB configuration
than to the Build section
Add build step :- Invoke top level maven target and fill Maven version and Goal
than click on Advance button and mention settings file path as mention in image
if(name.getText().hashCode() != 0){
JOptionPane.showMessageDialog(null, "not empty");
}
else{
JOptionPane.showMessageDialog(null, "empty");
}
inside your project directory, run:
./gradlew clean build
or from Android Studio select:
Build > Clean Project
Updated: As @VinceFior pointed out in a comment below
just try this:
//don't call getActivity()
getActivity().startActivityForResult(intent, REQ_CODE);
//just call
startActivityForResult(intent, REQ_CODE);
//directly from fragment
_x000D_
I use the following maven dependencies to get java mail working. The first one includes the javax.mail API (with no implementation) and the second one is the SUN implementation of the javax.mail API.
<dependency>
<groupId>javax.mail</groupId>
<artifactId>javax.mail-api</artifactId>
<version>1.5.5</version>
</dependency>
<dependency>
<groupId>com.sun.mail</groupId>
<artifactId>javax.mail</artifactId>
<version>1.5.5</version>
</dependency>
A simple git fetch --tags
worked for me.
Check your server config file /etc/mysql/my.cnf
- verify bind_address
is not set to 127.0.0.1
. Set it to 0.0.0.0
or comment it out then restart server with:
sudo service mysql restart
An alternative approach may be to embed images in the email using the cid
method. (Basically including the image as an attachment, and then embedding it). In my experience, this approach seems to be well supported these days.
Source: https://www.campaignmonitor.com/blog/how-to/2008/08/embedding-images-revisited/
What was happening to me was that webdriver would find a reference to a DOM element and then at some point after that reference was obtained, javascript would remove that element and re-add it (because the page was doing a redraw, basically).
Try this. Figure out the action that causes the dom element to be removed from the DOM. In my case, it was an async ajax call, and the element was being removed from the DOM when the ajax call was complete. Right after that action, wait for the element to be stale:
... do a thing, possibly async, that should remove the element from the DOM ...
wait.until(ExpectedConditions.stalenessOf(theElement));
At this point you are sure that the element is now stale. So, the next time you reference the element, wait again, this time waiting for it to be re-added to the DOM:
wait.until(ExpectedConditions.presenceOfElementLocated(By.id("whatever")))
Bundle bundle = new Bundle();
bundle.putString("mykey","abc");
bundle.putString("mykey2","abc"); // Put anything what you want
Fragment fragment = new Fragment();
fragment2.setArguments(bundle);
getFragmentManager()
.beginTransaction()
.replace(R.id.content, fragment2)
.commit();
Bundle bundle = this.getArguments(); // in your fragment oncreate
if(bundle != null){
String mykey = bundle.getString("mykey");
String mykey2 = bundle.getString("mykey2");
}
I guess problem is in width attributes in table and td remove 'px' for example
<table border="0" cellpadding="0" cellspacing="0" width="580px" style="background-color: #0290ba;">
Should be
<table border="0" cellpadding="0" cellspacing="0" width="580" style="background-color: #0290ba;">
Leaving this here for info,
This error can also be caused if PostgreSQL server is on another machine and is not listening on external interfaces.
To debug this specific problem, you can follow theses steps:
sudo vim /etc/postgresql/9.3/main/postgresql.conf
listen_addresses = '*'
sudo /etc/init.d/postgresql restart
(Note, the commands above are for ubuntu. Other linux distro or OS may have different path to theses files)
Note: using '*'
for listening addresses will listen on all interfaces. If you do '0.0.0.0'
then it'll listen for all ipv4 and if you do '::'
then it'll listen for all ipv6.
http://www.postgresql.org/docs/9.3/static/runtime-config-connection.html
I don't think just turning off DocLint is a good solution, at least not long term. It is good that Javadoc has become a bit more strict so the right way to fix the build problem is to fix the underlying problem. Yes, you'll ultimately need to fix those source code files.
Here are the things to look out for that you could previously get away with:
{@link }
s. (same goes for similar tags such as @see
)@author
values. This used to be accepted : @author John <[email protected]>
but not so anymore because of the un-escaped brackets.You'll simply have to fix your source code files and keep building your Javadoc until it can build without a failure. Cumbersome yes, but personally I like when I have brought my projects up to DocLint level because it means I can be more confident that the Javadoc I produce is actually what I intend.
There's of course the problem if you are generating Javadoc on some source code you've not produced yourself, for example because it comes from some code generator, e.g. wsimport. Strange that Oracle didn't prepare their own tools for JDK8 compliance before actually releasing JDK8. It seems it won't be fixed until Java 9. Only in this particular case I suggest to turn off DocLint as documented elsewhere on this page.
you can use LocalRegistry such as:
Registry rgsty = LocateRegistry.createRegistry(1888);
rgsty.rebind("hello", hello);
Adding "user instance=False" to connection string solved the problem for me.
<connectionStrings>
<add name="NorthwindEntities" connectionString="metadata=res://*/Models.Northwind.csdl|res://*/Models.Northwind.ssdl|res://*/Models.Northwind.msl;provider=System.Data.SqlClient;provider connection string="data source=.\SQLEXPRESS2008R2;attachdbfilename=|DataDirectory|\Northwind.mdf;integrated security=True;user instance=False;multipleactiveresultsets=True;App=EntityFramework"" providerName="System.Data.EntityClient" />
</connectionStrings>
For me the solution was besides using "Ntlm" as credential type:
XxxSoapClient xxxClient = new XxxSoapClient();
ApplyCredentials(userName, password, xxxClient.ClientCredentials);
private static void ApplyCredentials(string userName, string password, ClientCredentials clientCredentials)
{
clientCredentials.UserName.UserName = userName;
clientCredentials.UserName.Password = password;
clientCredentials.Windows.ClientCredential.UserName = userName;
clientCredentials.Windows.ClientCredential.Password = password;
clientCredentials.Windows.AllowNtlm = true;
clientCredentials.Windows.AllowedImpersonationLevel = System.Security.Principal.TokenImpersonationLevel.Impersonation;
}
I tried the option above of moving the plugins but it didn't work. My solution was to delete the entire .metadata folder. This meant that I lost my defaults and had to import my projects again.
I think the problem is with the datatype of the data you are passing Caused by: java.sql.SQLException: Invalid column type: 1111
check the datatypes you pass with the actual column datatypes may be there can be some mismatch or some constraint violation with null
I ran into this problem and try using the flag -noverify
which really works. It is because of the new bytecode verifier. So the flag should really work.
I am using JDK 1.7.
Note: This would not work if you are using JDK 1.8
You can use StringUtils.swapCase()
from org.apache.commons
Make sure your maven war plugin block in pom.xml includes all files (especially xml files) while building the war. But you don't need to include the .java files though.
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.5</version>
<configuration>
<webResources>
<resources>
<directory>WebContent</directory>
<includes>
<include>**/*.*</include> <!--this line includes the xml files into the war, which will be found when it is exploded in server during deployment -->
</includes>
<excludes>
<exclude>*.java</exclude>
</excludes>
</resources>
</webResources>
<webXml>WebContent/WEB-INF/web.xml</webXml>
</configuration>
</plugin>
Any one got the same issue it's related to a conflict between brew and npm Please check this solution https://gist.github.com/DanHerbert/9520689
The solution is to set the proxy to "native" as below
Go to "Window-> Preferences -> General -> Network Connection" and change the Settings "Active Provider-> Native". It worked for me.
This code simply worked for me
System.setProperty("webdriver.firefox.bin", "C:\\Program Files\\Mozilla Firefox 54\\firefox.exe");
String Firefoxdriverpath = "C:\\Users\\Hp\\Downloads\\geckodriver-v0.18.0-win64\\geckodriver.exe";
System.setProperty("webdriver.gecko.driver", Firefoxdriverpath);
DesiredCapabilities capabilities = DesiredCapabilities.firefox();
capabilities.setCapability("marionette", true);
driver = new FirefoxDriver(capabilities);
Today March 6, 2013, Microsoft released SQL Server Data Tools – Business Intelligence for Visual Studio 2012 (SSDT BI) templates. With SSDT BI for Visual Studio 2012 you can develop and deploy SQL Server Business intelligence projects. Projects created in Visual Studio 2010 can be opened in Visual Studio 2012 and the other way around without upgrading or downgrading – it just works.
The download/install is named to ensure you get the SSDT templates that contain the Business Intelligence projects. The setup for these tools is now available from the web and can be downloaded in multiple languages right here: http://www.microsoft.com/download/details.aspx?id=36843
Theres a few ways you can do this. You can either add a background to the canvas you are currently working on, which if the canvas isn't going to be redrawn every loop is fine. Otherwise you can make a second canvas underneath your main canvas and draw the background to it. The final way is to just use a standard <img>
element placed under the canvas. To draw a background onto the canvas element you can do something like the following:
var canvas = document.getElementById("canvas"),
ctx = canvas.getContext("2d");
canvas.width = 903;
canvas.height = 657;
var background = new Image();
background.src = "http://www.samskirrow.com/background.png";
// Make sure the image is loaded first otherwise nothing will draw.
background.onload = function(){
ctx.drawImage(background,0,0);
}
// Draw whatever else over top of it on the canvas.
Here is my solution. Use [ExportModelStateToTempData] / [ImportModelStateFromTempData] is uncomfortable in my opinion.
~/Views/Home/Error.cshtml:
@{
ViewBag.Title = "Error";
Layout = "~/Views/Shared/_Layout.cshtml";
}
<h2>Error</h2>
<hr/>
<div style="min-height: 400px;">
@Html.ValidationMessage("Error")
<br />
<br />
<button onclick="Error_goBack()" class="k-button">Go Back</button>
<script>
function Error_goBack() {
window.history.back()
}
</script>
</div>
~/Controllers/HomeController.sc:
public class HomeController : BaseController
{
public ActionResult Index()
{
return View();
}
public ActionResult Error()
{
return this.View();
}
...
}
~/Controllers/BaseController.sc:
public class BaseController : Controller
{
public BaseController() { }
protected override void OnActionExecuted(ActionExecutedContext filterContext)
{
if (filterContext.Result is ViewResult)
{
if (filterContext.Controller.TempData.ContainsKey("Error"))
{
var modelState = filterContext.Controller.TempData["Error"] as ModelState;
filterContext.Controller.ViewData.ModelState.Merge(new ModelStateDictionary() { new KeyValuePair<string, ModelState>("Error", modelState) });
filterContext.Controller.TempData.Remove("Error");
}
}
if ((filterContext.Result is RedirectResult) || (filterContext.Result is RedirectToRouteResult))
{
if (filterContext.Controller.ViewData.ModelState.ContainsKey("Error"))
{
filterContext.Controller.TempData["Error"] = filterContext.Controller.ViewData.ModelState["Error"];
}
}
base.OnActionExecuted(filterContext);
}
}
~/Controllers/MyController.sc:
public class MyController : BaseController
{
public ActionResult Index()
{
return View();
}
public ActionResult Details(int id)
{
if (id != 5)
{
ModelState.AddModelError("Error", "Specified row does not exist.");
return RedirectToAction("Error", "Home");
}
else
{
return View("Specified row exists.");
}
}
}
I wish you successful projects ;-)
You can use the top level containers root pane to set a default button, which will allow it to respond to the enter.
SwingUtilities.getRootPane(submitButton).setDefaultButton(submitButton);
This, of course, assumes you've added the button to a valid container ;)
UPDATED
This is a basic example using the JRootPane#setDefaultButton
and key bindings API
public class DefaultButton {
public static void main(String[] args) {
new DefaultButton();
}
public DefaultButton() {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
}
JFrame frame = new JFrame("Test");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new BorderLayout());
frame.add(new TestPane());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
public class TestPane extends JPanel {
private JButton button;
private JLabel label;
private int count;
public TestPane() {
label = new JLabel("Press the button");
button = new JButton("Press me");
setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridy = 0;
add(label, gbc);
gbc.gridy++;
add(button, gbc);
gbc.gridy++;
add(new JButton("No Action Here"), gbc);
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
doButtonPressed(e);
}
});
InputMap im = button.getInputMap(WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
ActionMap am = button.getActionMap();
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0), "spaced");
am.put("spaced", new AbstractAction() {
@Override
public void actionPerformed(ActionEvent e) {
doButtonPressed(e);
}
});
}
@Override
public void addNotify() {
super.addNotify();
SwingUtilities.getRootPane(button).setDefaultButton(button);
}
protected void doButtonPressed(ActionEvent evt) {
count++;
label.setText("Pressed " + count + " times");
}
}
}
This of course, assumes that the component with focus does not consume the key event in question (like the second button consuming the space or enter keys
I think this confusing exception occurs when you use a variable in a lambda which is a null-reference at run-time. In your case, I would check if your variable calculationViewModel is a null-reference.
Something like:
public ActionResult MNPurchase()
{
CalculationViewModel calculationViewModel = (CalculationViewModel)TempData["calculationViewModel"];
if (calculationViewModel != null)
{
decimal OP = landTitleUnitOfWork.Sales.Find()
.Where(x => x.Min >= calculationViewModel.SalesPrice)
.FirstOrDefault()
.OP;
decimal MP = landTitleUnitOfWork.Sales.Find()
.Where(x => x.Min >= calculationViewModel.MortgageAmount)
.FirstOrDefault()
.MP;
calculationViewModel.LoanAmount = (OP + 100) - MP;
calculationViewModel.LendersTitleInsurance = (calculationViewModel.LoanAmount + 850);
return View(calculationViewModel);
}
else
{
// Do something else...
}
}
To read a whole line from a file into a string, use std::getline
like so:
std::ifstream file("my_file");
std::string temp;
std::getline(file, temp);
You can do this in a loop to until the end of the file like so:
std::ifstream file("my_file");
std::string temp;
while(std::getline(file, temp)) {
//Do with temp
}
http://en.cppreference.com/w/cpp/string/basic_string/getline
I assume the question is already answered. If above solution doesn't help in solving the issue then can use below to solve the issue.
The issue occurs if sometimes your maven user settings is not reflecting correct settings.xml file.
To update the settings file go to Windows > Preferences > Maven > User Settings and update the settings.xml to it correct location.
Once this is doen re-build the project, these should solve the issue. Thanks.
You're probably missing some dependencies.
Locate the dependencies you're missing with mvn dependency:tree
, then install them manually, and build your project with the -o
(offline) option.
Use the LastLogonDate property and you won't have to convert the date/time. lastLogonTimestamp should equal to LastLogonDate when converted. This way, you will get the last logon date and time across the domain without needing to convert the result.
You need to have the file /root/test/devenv/openstack-rhel/pom.xml
This file need to have the followings elements:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.openstack</groupId>
<artifactId>openstack-rhel-rpms</artifactId>
<version>2012.1-SNAPSHOT</version>
<packaging>pom</packaging>
</project>
Reference Decoder of CRL,CRT,CSR,NEW CSR,PRIVATE KEY, PUBLIC KEY,RSA,RSA Public Key Parser
RSA Public Key
-----BEGIN RSA PUBLIC KEY-----
-----END RSA PUBLIC KEY-----
Encrypted Private Key
-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
-----END RSA PRIVATE KEY-----
CRL
-----BEGIN X509 CRL-----
-----END X509 CRL-----
CRT
-----BEGIN CERTIFICATE-----
-----END CERTIFICATE-----
CSR
-----BEGIN CERTIFICATE REQUEST-----
-----END CERTIFICATE REQUEST-----
NEW CSR
-----BEGIN NEW CERTIFICATE REQUEST-----
-----END NEW CERTIFICATE REQUEST-----
PEM
-----BEGIN RSA PRIVATE KEY-----
-----END RSA PRIVATE KEY-----
PKCS7
-----BEGIN PKCS7-----
-----END PKCS7-----
PRIVATE KEY
-----BEGIN PRIVATE KEY-----
-----END PRIVATE KEY-----
DSA KEY
-----BEGIN DSA PRIVATE KEY-----
-----END DSA PRIVATE KEY-----
Elliptic Curve
-----BEGIN EC PRIVATE KEY-----
-----END EC PRIVATE KEY-----
PGP Private Key
-----BEGIN PGP PRIVATE KEY BLOCK-----
-----END PGP PRIVATE KEY BLOCK-----
PGP Public Key
-----BEGIN PGP PUBLIC KEY BLOCK-----
-----END PGP PUBLIC KEY BLOCK-----
I had the exact same problem running docker but I found the solution in the log preceding the error you've mentioned.
selenium_1 | 2016-11-11 11:19:34,498 DEBG 'xvfb' stderr output:
selenium_1 | (EE)
selenium_1 | Fatal server error:
selenium_1 | (EE) Server is already active for display 99
selenium_1 | If this server is no longer running, remove /tmp/.X99-lock
selenium_1 | and start again.
selenium_1 | (EE)
I've followed the advice and problem has been sorted out.
ProgressDialog dialog = ProgressDialog.show(Example.this, "", "Loading...", true);
In my case I'm using an external maven installation with m2e. I've added my proxy settings to the external maven installation's settings.xml file. These settings haven't been used by m2e even after I've set the external maven installation as default maven installation.
To solve the problem I've configured the global maven settings file within eclipse to be the settings.xml file from my external maven installation.
Now eclipse can download the required artifacts.
I had the same problem, even after trying "mvn eclipse:eclipse -Dwtpversion=2.0" and "mvn clean install". But after I clean my server it just worked. So maybe after you are sure you have all the dependency needed try to clean the server.
V-Play (v-play.net) is a cross-platform game engine based on Qt/QML with many useful V-Play QML game components for handling multiple display resolutions & aspect ratios, animations, particles, physics, multi-touch, gestures, path finding and more. API reference The engine core is written in native C++, combined with the custom renderer, the games reach a solid performance of 60fps across all devices.
V-Play also comes with ready-to-use game templates for the most successful game genres like tower defense, platform games or puzzle games.
If you are curious about games made with V-Play, here is a quick selection of them:
(Disclaimer: I'm one of the guys behind V-Play)
I had the same problem. To fix it in Jboss 7 AS, I copy the oracle driver jar file to Jboss module folder. Example: ../jboss-as-7.1.1.Final/modules/org/hibernate/main
.
You also need to change "module.xml"
<module xmlns="urn:jboss:module:1.1" name="org.hibernate">
<resources>
<resource-root path="hibernate-core-4.0.1.Final.jar"/>
<resource-root path="hibernate-commons-annotations-4.0.1.Final.jar"/>
<resource-root path="hibernate-entitymanager-4.0.1.Final.jar"/>
<resource-root path="hibernate-infinispan-4.0.1.Final.jar"/>
<resource-root path="ojdbc6.jar"/>
</resources>
<dependencies>
<module name="asm.asm"/>
<module name="javax.api"/>
<module name="javax.persistence.api"/>
<module name="javax.transaction.api"/>
<module name="javax.validation.api"/>
<module name="org.antlr"/>
<module name="org.apache.commons.collections"/>
<module name="org.dom4j"/>
<module name="org.infinispan" optional="true"/>
<module name="org.javassist"/>
<module name="org.jboss.as.jpa.hibernate" slot="4" optional="true"/>
<module name="org.jboss.logging"/>
<module name="org.hibernate.envers" services="import" optional="true"/>
</dependencies>
Check out the Arrays.sort methods:
http://docs.oracle.com/javase/6/docs/api/java/util/Arrays.html
You should also really abstract finding the median into its own method, and just return the value to the calling method. This will make testing your code much easier.
You will need to run the following code after your intent is fired to remove the notification.
NotificationManagerCompat.from(this).cancel(null, notificationId);
NB: notificationId is the same id passed to run your notification
You need to provide a candidate for autowire. That means that an instance of PasswordHint must be known to spring in a way that it can guess that it must reference it.
Please provide the class head of PasswordHint and/or the spring bean definition of that class for further assistance.
Try changing the name of
PasswordHintAction action;
to
PasswordHintAction passwordHintAction;
so that it matches the bean definition.
Because i need FetchType to be EAGER, i remove all associations by setting them to (null) and save the object (that remove all association in the database) then delete it!
That add some milliseconds but it's fine for me, if there better way to keep those MS add your comment bellow..
Hope that help someone :)
I resolved the conflict and then do a commit with -a option. It worked for me.
I just came across the same issue while trying to query a MySQL Database from Pentaho.
Error connecting to database [Local MySQL DB] : org.pentaho.di.core.exception.KettleDatabaseException: Error occured while trying to connect to the database
Exception while loading class org.gjt.mm.mysql.Driver
Expanding post by @user979331 the solution is:
copy the .jar file (mysql-connector-java-5.1.31-bin.jar) and paste it in your Lib folder:
PC: C:\Program Files\pentaho\design-tools\data-integration\lib
Mac: /Applications/data-integration/lib
Restart Pentaho (Data Integration) and re-test the MySQL Connection.
Additional interesting replies from others that could also help:
This one works fine for me :
theme.applyStyle(R.style.AppTheme, true)
Usage:
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
//The call goes right after super.onCreate() and before setContentView()
theme.applyStyle(R.style.AppTheme, true)
setContentView(layoutId)
onViewCreated(savedInstanceState)
}
java.lang.UnsupportedClassVersionError
happens because of a higher JDK during compile time and lower JDK during runtime.
Here's the list of versions:
Java SE 9 = 53,
Java SE 8 = 52,
Java SE 7 = 51,
Java SE 6.0 = 50,
Java SE 5.0 = 49,
JDK 1.4 = 48,
JDK 1.3 = 47,
JDK 1.2 = 46,
JDK 1.1 = 45
i removed C:\ProgramData\Oracle\Java\javapath from my path, and it worked for me.
and make sure you include x64 JDK and JRE addresses in your path.
public static void openWebpage(String urlString) {
try {
Desktop.getDesktop().browse(new URL(urlString).toURI());
} catch (Exception e) {
e.printStackTrace();
}
}
Add this in MainActivity.
Intent intent = new Intent(getApplicationContext(), Heightimage.class);
startActivity(intent);
This worked for me from both Activity and Fragment
@Override
public void onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
if (menu.findItem(R.id.action_messages) != null)
menu.findItem(R.id.action_messages).setVisible(false);
}
you should add servler-api.jar file in WEB-INF/lib folder
Try this simple solution to convert file to base64 string
String base64String = imageFileToByte(file);
public String imageFileToByte(File file){
Bitmap bm = BitmapFactory.decodeFile(file.getAbsolutePath());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bm.compress(Bitmap.CompressFormat.JPEG, 100, baos); //bm is the bitmap object
byte[] b = baos.toByteArray();
return Base64.encodeToString(b, Base64.DEFAULT);
}
Permissions that Imply Feature Requirements
example, the android.hardware.bluetooth feature was added in Android 2.2 (API level 8), but the bluetooth API that it refers to was added in Android 2.0 (API level 5). Because of this, some apps were able to use the API before they had the ability to declare that they require the API via the system.
To prevent those apps from being made available unintentionally, Google Play assumes that certain hardware-related permissions indicate that the underlying hardware features are required by default. For instance, applications that use Bluetooth must request the BLUETOOTH permission in a element — for legacy apps, Google Play assumes that the permission declaration means that the underlying android.hardware.bluetooth feature is required by the application and sets up filtering based on that feature.
The table below lists permissions that imply feature requirements equivalent to those declared in elements. Note that declarations, including any declared android:required attribute, always take precedence over features implied by the permissions below.
For any of the permissions below, you can disable filtering based on the implied feature by explicitly declaring the implied feature explicitly, in a element, with an android:required="false" attribute. For example, to disable any filtering based on the CAMERA permission, you would add this declaration to the manifest file:
<uses-feature android:name="android.hardware.camera" android:required="false" />
<uses-feature android:name="android.hardware.bluetooth" android:required="false" />
<uses-feature android:name="android.hardware.location" android:required="false" />
<uses-feature android:name="android.hardware.location.gps" android:required="false" />
<uses-feature android:name="android.hardware.telephony" android:required="false" />
<uses-feature android:name="android.hardware.wifi" android:required="false" />
http://developer.android.com/guide/topics/manifest/uses-feature-element.html#permissions
Set conn.setAutoCommit(false) to conn.setAutoCommit(true)
Commit the transactions before initiating a new one.
If you are ok to do transformation, you may try this.
DocumentBuilderFactory domFact = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = domFact.newDocumentBuilder();
Document doc = builder.parse(st);
DOMSource domSource = new DOMSource(doc);
StringWriter writer = new StringWriter();
StreamResult result = new StreamResult(writer);
TransformerFactory tf = TransformerFactory.newInstance();
Transformer transformer = tf.newTransformer();
transformer.transform(domSource, result);
System.out.println("XML IN String format is: \n" + writer.toString());
Consider if your file is read only, then the extra parameters may help with FileStream
using (var fs = new FileStream(path, FileMode.Open, FileAccess.Read))
public class HomeController : Controller
{
public ActionResult Index()
{
ViewBag.TempValue = "Index Action called at HomeController";
return View();
}
[ChildActionOnly]
public ActionResult ChildAction(string param)
{
ViewBag.Message = "Child Action called. " + param;
return View();
}
}
The code is initially invoking an Index action that in turn returns two Index views and at the View level it calls the ChildAction named “ChildAction”.
@{
ViewBag.Title = "Index";
}
<h2>
Index
</h2>
<!DOCTYPE html>
<html>
<head>
<title>Error</title>
</head>
<body>
<ul>
<li>
@ViewBag.TempValue
</li>
<li>@ViewBag.OnExceptionError</li>
@*<li>@{Html.RenderAction("ChildAction", new { param = "first" });}</li>@**@
@Html.Action("ChildAction", "Home", new { param = "first" })
</ul>
</body>
</html>
Copy and paste the code to see the result .thanks
I installed the JDK 32 bit because of that I am getting the errors. After installing JDK 64 bit http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html jdk-8u131-linux-x64.tar.gz(please download the 64 version) and download 64 bit "eclipse-inst-linux64.tar.gz".
You need to use the OutputStreamWriter
class as the writer parameter for your BufferedWriter
. It does accept an encoding. Review javadocs for it.
Somewhat like this:
BufferedWriter out = new BufferedWriter(new OutputStreamWriter(
new FileOutputStream("jedis.txt"), "UTF-8"
));
Or you can set the current system encoding with the system property file.encoding
to UTF-8.
java -Dfile.encoding=UTF-8 com.jediacademy.Runner arg1 arg2 ...
You may also set it as a system property at runtime with System.setProperty(...)
if you only need it for this specific file, but in a case like this I think I would prefer the OutputStreamWriter
.
By setting the system property you can use FileWriter
and expect that it will use UTF-8 as the default encoding for your files. In this case for all the files that you read and write.
EDIT
Starting from API 19, you can replace the String "UTF-8" with StandardCharsets.UTF_8
As suggested in the comments below by tchrist, if you intend to detect encoding errors in your file you would be forced to use the OutputStreamWriter
approach and use the constructor that receives a charset encoder.
Somewhat like
CharsetEncoder encoder = Charset.forName("UTF-8").newEncoder();
encoder.onMalformedInput(CodingErrorAction.REPORT);
encoder.onUnmappableCharacter(CodingErrorAction.REPORT);
BufferedWriter out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("jedis.txt"),encoder));
You may choose between actions IGNORE | REPLACE | REPORT
Also, this question was already answered here.
I had the same error and ended up solving it by upgrading my Oracle ojdbc driver to a version compatible with the Oracle database version
While using embedded jetty the property webapp.resource.loader.path should starts with slash:
webapp.resource.loader.path=/templates
otherwise templates will not be found in ../webapp/templates
Set the "long" type of id instead of java.lang.Integer. And add getters and setters to your fields.
According to the MSDN documentation here, The basename argument specifies "The root name of the resource file without its extension but including any fully qualified namespace name. For example, the root name for the resource file named "MyApplication.MyResource.en-US.resources" is "MyApplication.MyResource"."
The ResourceManager will automatically try to retrieve the values for the current UI culture. If you want to use a specific language, you'll need to set the current UI culture to the language you wish to use.
If this is an IIS website that is having the problem, check the Identity property of the advanced settings for the application pool that the site or application uses. You may find that it is set to ApplicationPoolIdentity, and in that case then this is the user that will have to have access to the path.
Or you can go old style and simply set the Identity to Network Service, and give the Network Service user access to the path.
You add your ActionListener
twice to button
. So correct your code for button2
to
JButton button2 = new JButton("hello agin2");
panel.add(button2);
button2.addActionListener (new Action2());//note the button2 here instead of button
Furthermore, perform your Swing operations on the correct thread by using EventQueue.invokeLater
When the callee throws an exception i.e. void showfile() throws java.io.IOException the caller should handle it or throw it again.
And also learn naming conventions. A class name should start with a capital letter.
This error occurred for me when I was trying to update the same row from 2 different sessions. I updated a field in one browser while a second was open and had already stored the original object in its session. When I attempted to update from this second "stale" session I get the stale object error. In order to correct this I refetch my object to be updated from the database before I set the value to be updated, then save it as normal.
Current version:
Settings
(Preferences
on Mac) | Build, Execution, Deployment
| Compiler
|
Build process heap size.
Older versions:
Settings
(Preferences
on Mac) | Compiler
| Java Compiler
| Maximum heap size.
Compiler runs in a separate JVM by default so IDEA heap settings that you set in idea.vmoptions
have no effect on the compiler.
You could use an extension method to get notified about changed property of an item in a collection in a generic way.
public static class ObservableCollectionExtension
{
public static void NotifyPropertyChanged<T>(this ObservableCollection<T> observableCollection, Action<T, PropertyChangedEventArgs> callBackAction)
where T : INotifyPropertyChanged
{
observableCollection.CollectionChanged += (sender, args) =>
{
//Does not prevent garbage collection says: http://stackoverflow.com/questions/298261/do-event-handlers-stop-garbage-collection-from-occuring
//publisher.SomeEvent += target.SomeHandler;
//then "publisher" will keep "target" alive, but "target" will not keep "publisher" alive.
if (args.NewItems == null) return;
foreach (T item in args.NewItems)
{
item.PropertyChanged += (obj, eventArgs) =>
{
callBackAction((T)obj, eventArgs);
};
}
};
}
}
public void ExampleUsage()
{
var myObservableCollection = new ObservableCollection<MyTypeWithNotifyPropertyChanged>();
myObservableCollection.NotifyPropertyChanged((obj, notifyPropertyChangedEventArgs) =>
{
//DO here what you want when a property of an item in the collection has changed.
});
}
use:
std::vector <Acard> playerHand;
everywhere qualify it by std::
or do:
using std::vector;
in your cpp file.
You have to do this because vector
is defined in the std
namespace and you do not tell your program to find it in std
namespace, you need to tell that.
New location for mysql config file is
/etc/mysql/mysql.conf.d/mysqld.cnf
You could also build out a new Gemfile and run bundle clean --force
. This will remove all other gems that aren't included in the new Gemfile.
To get the fragments after orientation change you have to use the .getTag().
getSupportFragmentManager().findFragmentByTag("android:switcher:" + viewPagerId + ":" + positionOfItemInViewPager)
For a bit more handling i wrote my own ArrayList for my PageAdapter to get the fragment by viewPagerId and the FragmentClass at any Position:
public class MyPageAdapter extends FragmentPagerAdapter implements Serializable {
private final String logTAG = MyPageAdapter.class.getName() + ".";
private ArrayList<MyPageBuilder> fragmentPages;
public MyPageAdapter(FragmentManager fm, ArrayList<MyPageBuilder> fragments) {
super(fm);
fragmentPages = fragments;
}
@Override
public Fragment getItem(int position) {
return this.fragmentPages.get(position).getFragment();
}
@Override
public CharSequence getPageTitle(int position) {
return this.fragmentPages.get(position).getPageTitle();
}
@Override
public int getCount() {
return this.fragmentPages.size();
}
public int getItemPosition(Object object) {
//benötigt, damit bei notifyDataSetChanged alle Fragemnts refrehsed werden
Log.d(logTAG, object.getClass().getName());
return POSITION_NONE;
}
public Fragment getFragment(int position) {
return getItem(position);
}
public String getTag(int position, int viewPagerId) {
//getSupportFragmentManager().findFragmentByTag("android:switcher:" + R.id.shares_detail_activity_viewpager + ":" + myViewPager.getCurrentItem())
return "android:switcher:" + viewPagerId + ":" + position;
}
public MyPageBuilder getPageBuilder(String pageTitle, int icon, int selectedIcon, Fragment frag) {
return new MyPageBuilder(pageTitle, icon, selectedIcon, frag);
}
public static class MyPageBuilder {
private Fragment fragment;
public Fragment getFragment() {
return fragment;
}
public void setFragment(Fragment fragment) {
this.fragment = fragment;
}
private String pageTitle;
public String getPageTitle() {
return pageTitle;
}
public void setPageTitle(String pageTitle) {
this.pageTitle = pageTitle;
}
private int icon;
public int getIconUnselected() {
return icon;
}
public void setIconUnselected(int iconUnselected) {
this.icon = iconUnselected;
}
private int iconSelected;
public int getIconSelected() {
return iconSelected;
}
public void setIconSelected(int iconSelected) {
this.iconSelected = iconSelected;
}
public MyPageBuilder(String pageTitle, int icon, int selectedIcon, Fragment frag) {
this.pageTitle = pageTitle;
this.icon = icon;
this.iconSelected = selectedIcon;
this.fragment = frag;
}
}
public static class MyPageArrayList extends ArrayList<MyPageBuilder> {
private final String logTAG = MyPageArrayList.class.getName() + ".";
public MyPageBuilder get(Class cls) {
// Fragment über FragmentClass holen
for (MyPageBuilder item : this) {
if (item.fragment.getClass().getName().equalsIgnoreCase(cls.getName())) {
return super.get(indexOf(item));
}
}
return null;
}
public String getTag(int viewPagerId, Class cls) {
// Tag des Fragment unabhängig vom State z.B. nach bei Orientation change
for (MyPageBuilder item : this) {
if (item.fragment.getClass().getName().equalsIgnoreCase(cls.getName())) {
return "android:switcher:" + viewPagerId + ":" + indexOf(item);
}
}
return null;
}
}
So just create a MyPageArrayList with the fragments:
myFragPages = new MyPageAdapter.MyPageArrayList();
myFragPages.add(new MyPageAdapter.MyPageBuilder(
getString(R.string.widget_config_data_frag),
R.drawable.ic_sd_storage_24dp,
R.drawable.ic_sd_storage_selected_24dp,
new WidgetDataFrag()));
myFragPages.add(new MyPageAdapter.MyPageBuilder(
getString(R.string.widget_config_color_frag),
R.drawable.ic_color_24dp,
R.drawable.ic_color_selected_24dp,
new WidgetColorFrag()));
myFragPages.add(new MyPageAdapter.MyPageBuilder(
getString(R.string.widget_config_textsize_frag),
R.drawable.ic_settings_widget_24dp,
R.drawable.ic_settings_selected_24dp,
new WidgetTextSizeFrag()));
and add them to the viewPager:
mAdapter = new MyPageAdapter(getSupportFragmentManager(), myFragPages);
myViewPager.setAdapter(mAdapter);
after this you can get after orientation change the correct fragment by using its class:
WidgetDataFrag dataFragment = (WidgetDataFrag) getSupportFragmentManager()
.findFragmentByTag(myFragPages.getTag(myViewPager.getId(), WidgetDataFrag.class));
Do you have a bean declared in your context file that has an id of "articleService"? I believe that autowiring matches the id of a bean in your context files with the variable name that you are attempting to Autowire.
First Replace the MySQL dependency as given below
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.44</version>
</dependency>
An error showing "Authentication plugin 'caching_sha2_password'" will appear. Run this command:
mysql -u root -p
ALTER USER 'username'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
git rm
will remove the file from the index and working directory ( only index if you used --cached
) so that the deletion is staged for next commit.
I made something like this to my project
function adjustLine(from, to, line){_x000D_
_x000D_
var fT = from.offsetTop + from.offsetHeight/2;_x000D_
var tT = to.offsetTop + to.offsetHeight/2;_x000D_
var fL = from.offsetLeft + from.offsetWidth/2;_x000D_
var tL = to.offsetLeft + to.offsetWidth/2;_x000D_
_x000D_
var CA = Math.abs(tT - fT);_x000D_
var CO = Math.abs(tL - fL);_x000D_
var H = Math.sqrt(CA*CA + CO*CO);_x000D_
var ANG = 180 / Math.PI * Math.acos( CA/H );_x000D_
_x000D_
if(tT > fT){_x000D_
var top = (tT-fT)/2 + fT;_x000D_
}else{_x000D_
var top = (fT-tT)/2 + tT;_x000D_
}_x000D_
if(tL > fL){_x000D_
var left = (tL-fL)/2 + fL;_x000D_
}else{_x000D_
var left = (fL-tL)/2 + tL;_x000D_
}_x000D_
_x000D_
if(( fT < tT && fL < tL) || ( tT < fT && tL < fL) || (fT > tT && fL > tL) || (tT > fT && tL > fL)){_x000D_
ANG *= -1;_x000D_
}_x000D_
top-= H/2;_x000D_
_x000D_
line.style["-webkit-transform"] = 'rotate('+ ANG +'deg)';_x000D_
line.style["-moz-transform"] = 'rotate('+ ANG +'deg)';_x000D_
line.style["-ms-transform"] = 'rotate('+ ANG +'deg)';_x000D_
line.style["-o-transform"] = 'rotate('+ ANG +'deg)';_x000D_
line.style["-transform"] = 'rotate('+ ANG +'deg)';_x000D_
line.style.top = top+'px';_x000D_
line.style.left = left+'px';_x000D_
line.style.height = H + 'px';_x000D_
}_x000D_
adjustLine(_x000D_
document.getElementById('div1'), _x000D_
document.getElementById('div2'),_x000D_
document.getElementById('line')_x000D_
);
_x000D_
#content{_x000D_
position:relative;_x000D_
}_x000D_
.mydiv{_x000D_
border:1px solid #368ABB;_x000D_
background-color:#43A4DC;_x000D_
position:absolute;_x000D_
}_x000D_
.mydiv:after{_x000D_
content:no-close-quote;_x000D_
position:absolute;_x000D_
top:50%;_x000D_
left:50%;_x000D_
background-color:black;_x000D_
width:4px;_x000D_
height:4px;_x000D_
border-radius:50%;_x000D_
margin-left:-2px;_x000D_
margin-top:-2px;_x000D_
}_x000D_
#div1{_x000D_
left:200px;_x000D_
top:200px;_x000D_
width:50px;_x000D_
height:50px;_x000D_
}_x000D_
#div2{_x000D_
left:20px;_x000D_
top:20px;_x000D_
width:50px;_x000D_
height:40px;_x000D_
}_x000D_
#line{_x000D_
position:absolute;_x000D_
width:1px;_x000D_
background-color:red;_x000D_
}
_x000D_
_x000D_
_x000D_
<div id="content">_x000D_
<div id="div1" class="mydiv"></div>_x000D_
<div id="div2" class="mydiv"></div>_x000D_
<div id="line"></div>_x000D_
</div>_x000D_
_x000D_
It looks like the CSRF (Cross Site Request Forgery) protection in your Spring application is enabled. Actually it is enabled by default.
According to spring.io:
When should you use CSRF protection? Our recommendation is to use CSRF protection for any request that could be processed by a browser by normal users. If you are only creating a service that is used by non-browser clients, you will likely want to disable CSRF protection.
So to disable it:
@Configuration
public class RestSecurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(HttpSecurity http) throws Exception {
http.csrf().disable();
}
}
If you want though to keep CSRF protection enabled then you have to include in your form the csrftoken
. You can do it like this:
<form .... >
....other fields here....
<input type="hidden" name="${_csrf.parameterName}" value="${_csrf.token}"/>
</form>
You can even include the CSRF token in the form's action:
<form action="./upload?${_csrf.parameterName}=${_csrf.token}" method="post" enctype="multipart/form-data">
I think most posters here miss the point completely. I had the same problem. The original question was about the Highlighted state of a Selected button (COMBINING BOTH STATES) which cannot be set in IB and falls back to Default state with some darkening going on. Only working solution as one post mentioned:
[button setImage:[UIImage imageNamed:@"pressed.png"] forState:UIControlStateSelected | UIControlStateHighlighted];
Since car
has not been initialized, it has no length, its value is null
. However, the compiler won't even allow you to compile that code as is, throwing the following error: variable car might not have been initialized.
You need to initialize it first, and then you can use .length
:
String car[] = new String[] { "BMW", "Bentley" };
System.out.println(car.length);
If you need to initialize an empty array, you can use the following:
String car[] = new String[] { }; // or simply String car[] = { };
System.out.println(car.length);
If you need to initialize it with a specific size, in order to fill certain positions, you can use the following:
String car[] = new String[3]; // initialize a String[] with length 3
System.out.println(car.length); // 3
car[0] = "BMW";
System.out.println(car.length); // 3
However, I'd recommend that you use a List
instead, if you intend to add elements to it:
List<String> cars = new ArrayList<String>();
System.out.println(cars.size()); // 0
cars.add("BMW");
System.out.println(cars.size()); // 1
List<T>.Add
adds a single element. Instead, use List<T>.AddRange
to add multiple values.
Additionally, List<T>.AddRange
takes an IEnumerable<T>
, so you don't need to convert tripDetails
into a List<TripDetails>
, you can pass it directly, e.g.:
tripDetailsCollection.AddRange(tripDetails);
It's perhaps interesting that you do not have to specify width for a <button>
element to make it work - just make sure it has display:block
: http://jsfiddle.net/muhuyttr/
you can also try with this answer :
<img src="~/Content/img/@Html.DisplayFor(model =>model.ImagePath)" style="height:200px;width:200px;"/>
first of all;
a Fragment
must be inside a FragmentActivity
, that's the first rule,
a FragmentActivity
is quite similar to a standart Activity
that you already know, besides having some Fragment oriented methods
second thing about Fragments, is that there is one important method you MUST call, wich is onCreateView
, where you inflate your layout, think of it as the setContentLayout
here is an example:
@Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { mView = inflater.inflate(R.layout.fragment_layout, container, false); return mView; }
and continu your work based on that mView, so to find a View
by id, call mView.findViewById(..);
for the FragmentActivity
part:
the xml part "must" have a FrameLayout
in order to inflate a fragment in it
<FrameLayout android:id="@+id/content_frame" android:layout_width="match_parent" android:layout_height="match_parent" > </FrameLayout>
as for the inflation part
getSupportFragmentManager().beginTransaction().replace(R.id.content_frame, new YOUR_FRAGMENT, "TAG").commit();
begin with these, as there is tons of other stuf you must know about fragments and fragment activities, start of by reading something about it (like life cycle) at the android developer site
Both if (one.length() > 0) {}
and if (!"".equals(one)) {}
will check against an empty foo parameter, and an empty parameter is what you'd get if the the form is submitted with no value in the foo
text field.
If there's any chance you can use the Expression Language to handle the parameter, you could
access it with empty param.foo
in an expression.
<c:if test='${not empty param.foo}'>
This page code gets rendered.
</c:if>
Check if you have hidden it... Use Alt+6 to bring up the window and click on the button shown below 'Restore logcat view'
In SSMS, "Query" menu item... "Results to"... "Results to File"
Shortcut = CTRL+shift+F
You can set it globally too
"Tools"... "Options"... "Query Results"... "SQL Server".. "Default destination" drop down
Edit: after comment
In SSMS, "Query" menu item... "SQLCMD" mode
This allows you to run "command line" like actions.
A quick test in my SSMS 2008
:OUT c:\foo.txt
SELECT * FROM sys.objects
Edit, Sep 2012
:OUT c:\foo.txt
SET NOCOUNT ON;SELECT * FROM sys.objects
Select
CASE
WHEN listing.OfferText is null or listing.OfferText = '' THEN company.OfferText
ELSE COALESCE(Company.OfferText, '')
END As Offer_Text,
from tbl_directorylisting listing
Inner Join tbl_companymaster company
On listing.company_id= company.company_id
for i in arr1:
if i in arr2:
return 1
return 0
arr1=[1,2,5]
arr2=[2,4,15]
q=checkarrayequalornot(arr1,arr2)
print(q)
>>0
we can change style of spinner textview set theme for spinner like this:
styles.xml:
<style name="mySpinnerItemStyle" parent="@android:style/Widget.Holo.DropDownItem.Spinner">
<item name="android:textSize">@dimen/_11ssp</item>
<item name="android:textColor">@color/blue</item>
<item name=...</item>
</style>
then
<Spinner
android:theme="@style/mySpinnerItemStyle"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
if you want to change spinner textview attribute programtically:
Programatically:
val textView = (view.getChildAt(0) as TextView)
textView.setTextColor(resources.getColor(R.color.dark_mode))
I suspect you don't actually have that problem - I suspect you've really got:
double a = callSomeFunction();
// Examine a in the debugger or via logging, and decide it's 3669.0
// Now cast
int b = (int) a;
// Now a is 3668
What makes me say that is that although it's true that many decimal values cannot be stored exactly in float
or double
, that doesn't hold for integers of this kind of magnitude. They can very easily be exactly represented in binary floating point form. (Very large integers can't always be exactly represented, but we're not dealing with a very large integer here.)
I strongly suspect that your double
value is actually slightly less than 3669.0, but it's being displayed to you as 3669.0 by whatever diagnostic device you're using. The conversion to an integer value just performs truncation, not rounding - hence the issue.
Assuming your double
type is an IEEE-754 64-bit type, the largest value which is less than 3669.0 is exactly
3668.99999999999954525264911353588104248046875
So if you're using any diagnostic approach where that value would be shown as 3669.0, then it's quite possible (probable, I'd say) that this is what's happening.
I wrote a small tool that does just that. Code is available on github.
To dump the results of one (or more) SQL queries to one (or more) CSV files:
java -jar sql_dumper.jar /path/sql/files/ /path/out/ user pass jdbcString
Cheers.
I successfully implemented my Speech-Service with offline capabilities by using onPartialResults when offline and onResults when online.
to implement this in algorithmic way, by not using any python inbuilt function . This can be implemented as
def find_pos(string,word):
for i in range(len(string) - len(word)+1):
if string[i:i+len(word)] == word:
return i
return 'Not Found'
string = "the dude is a cool dude"
word = 'dude1'
print(find_pos(string,word))
# output 4
As others answered you, if you are creating a new project, you can separate frontend and backend and use any django rest plugin to create rest api for your frontend application. This is in the ideal world.
If you have a project with the django templating already in place, then you must load your react dom render in the page you want to load the application. In my case I had already django-pipeline and I just added the browserify extension. (https://github.com/j0hnsmith/django-pipeline-browserify)
As in the example, I loaded the app using django-pipeline:
PIPELINE = {
# ...
'javascript':{
'browserify': {
'source_filenames' : (
'js/entry-point.browserify.js',
),
'output_filename': 'js/entry-point.js',
},
}
}
Your "entry-point.browserify.js" can be an ES6 file that loads your react app in the template:
import React from 'react';
import ReactDOM from 'react-dom';
import App from './components/app.js';
import "babel-polyfill";
import { Provider } from 'react-redux';
import { createStore, applyMiddleware } from 'redux';
import promise from 'redux-promise';
import reducers from './reducers/index.js';
const createStoreWithMiddleware = applyMiddleware(
promise
)(createStore);
ReactDOM.render(
<Provider store={createStoreWithMiddleware(reducers)}>
<App/>
</Provider>
, document.getElementById('my-react-app')
);
In your django template, you can now load your app easily:
{% load pipeline %}
{% comment %}
`browserify` is a PIPELINE key setup in the settings for django
pipeline. See the example above
{% endcomment %}
{% javascript 'browserify' %}
{% comment %}
the app will be loaded here thanks to the entry point you created
in PIPELINE settings. The key is the `entry-point.browserify.js`
responsable to inject with ReactDOM.render() you react app in the div
below
{% endcomment %}
<div id="my-react-app"></div>
The advantage of using django-pipeline is that statics get processed during the collectstatic
.
use href
with indexof
<script type="text/javascript">
$(document).ready(function () {
if(window.location.href.indexOf("added-to-cart=555") > -1) {
alert("your url contains the added-to-cart=555");
}
});
</script>
Solution that worked for me for Excel Interop:
myWorksheet.Columns[j].NumberFormat = "@"; // column as a text
myWorksheet.Cells[i + 2, j].NumberFormat = "@"; // cell as a text
This code should run before putting data to Excel. Column and row numbers are 1-based.
A bit more details. Whereas accepted response with reference for SpreadsheetGear looks almost correct, I had two concerns about it:
Firstly let us understand the concepts of curl, libcurl and PHP/cURL.
curl: A command line tool for getting or sending files using URL syntax.
libcurl: a library created by Daniel Stenberg, that allows you to connect and communicate to many different types of servers with many different types of protocols. libcurl currently supports the http, https, ftp, gopher, telnet, dict, file, and ldap protocols. libcurl also supports HTTPS certificates, HTTP POST, HTTP PUT, FTP uploading (this can also be done with PHP's ftp extension), HTTP form based upload, proxies, cookies, and user+password authentication.
PHP/cURL: The module for PHP that makes it possible for PHP programs to use libcurl.
How to use it:
step1: Initialize a curl session use curl_init().
step2: Set option for CURLOPT_URL. This value is the URL which we are sending the request to.Append a search term "curl" using parameter "q=".Set option CURLOPT_RETURNTRANSFER, true will tell curl to return the string instead ofprint it out. Set option for CURLOPT_HEADER, false will tell curl to ignore the header in the return value.
step3: Execute the curl session using curl_exec().
step4: Close the curl session we have created.
step5: Output the return string.
Make DEMO :
You will need to create two PHP files and place them into a folder that your web server can serve PHP files from. In my case I put them into /var/www/ for simplicity.
1. helloservice.php and 2. demo.php
helloservice.php is very simple and essentially just echoes back any data it gets:
<?php
// Here is the data we will be sending to the service
$some_data = array(
'message' => 'Hello World',
'name' => 'Anand'
);
$curl = curl_init();
// You can also set the URL you want to communicate with by doing this:
// $curl = curl_init('http://localhost/echoservice');
// We POST the data
curl_setopt($curl, CURLOPT_POST, 1);
// Set the url path we want to call
curl_setopt($curl, CURLOPT_URL, 'http://localhost/demo.php');
// Make it so the data coming back is put into a string
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
// Insert the data
curl_setopt($curl, CURLOPT_POSTFIELDS, $some_data);
// You can also bunch the above commands into an array if you choose using: curl_setopt_array
// Send the request
$result = curl_exec($curl);
// Get some cURL session information back
$info = curl_getinfo($curl);
echo 'content type: ' . $info['content_type'] . '<br />';
echo 'http code: ' . $info['http_code'] . '<br />';
// Free up the resources $curl is using
curl_close($curl);
echo $result;
?>
2.demo.php page, you can see the result:
<?php
print_r($_POST);
//content type: text/html; charset=UTF-8
//http code: 200
//Array ( [message] => Hello World [name] => Anand )
?>
From vim's help page:
CTRL-R {0-9a-z"%#:-=.} *c_CTRL-R* *c_<C-R>*
Insert the contents of a numbered or named register. Between
typing CTRL-R and the second character '"' will be displayed
<...snip...>
Special registers:
'"' the unnamed register, containing the text of
the last delete or yank
'%' the current file name
'#' the alternate file name
'*' the clipboard contents (X11: primary selection)
'+' the clipboard contents
'/' the last search pattern
':' the last command-line
'-' the last small (less than a line) delete
'.' the last inserted text
*c_CTRL-R_=*
'=' the expression register: you are prompted to
enter an expression (see |expression|)
(doesn't work at the expression prompt; some
things such as changing the buffer or current
window are not allowed to avoid side effects)
When the result is a |List| the items are used
as lines. They can have line breaks inside
too.
When the result is a Float it's automatically
converted to a String.
See |registers| about registers. {not in Vi}
<...snip...>
Removing a file from pull request but not from your local repository.
git checkout -- c:\temp..... next git checkout origin/master -- c:\temp... u replace origin/master with any other branch. Next git commit -m c:\temp..... Next git push origin
Note : no single quote or double quotes for the filepath
If you are sure you haven't messed the jar, then please clean the project and perform mvn clean install
. This should solve the problem.
The best thing to do is to install the Tampermonkey extension.
This will allow you to easily install Greasemonkey scripts, and to easily manage them. Also it makes it easier to install userscripts directly from sites like OpenUserJS, MonkeyGuts, etc.
Finally, it unlocks most all of the GM functionality that you don't get by installing a GM script directly with Chrome. That is, more of what GM on Firefox can do, is available with Tampermonkey.
But, if you really want to install a GM script directly, it's easy a right pain on Chrome these days...
You can still drag a file to the extensions page and it will work... Until you restart Chrome. Then it will be permanently disabled. See Continuing to "protect" Chrome users from malicious extensions for more information. Again, Tampermonkey is the smart way to go. (Or switch browsers altogether to Opera or Firefox.)
Chrome is changing the way extensions are installed. Userscripts are pared-down extensions on Chrome but. Starting in Chrome 21, link-click behavior is disabled for userscripts. To install a user script, drag the **.user.js* file into the Extensions page (chrome://extensions
in the address input).
Merely drag your **.user.js* files into any Chrome window. Or click on any Greasemonkey script-link.
You'll get an installation warning:
Click Continue.
You'll get a confirmation dialog:
Click Add.
Notes:
By default, Chrome installs scripts in the Extensions folder1, full of cryptic names and version numbers. And, if you try to manually add a script under this folder tree, it will be wiped the next time Chrome restarts.
To control the directories and filenames to something more meaningful, you can:
Create a directory that's convenient to you, and not where Chrome normally looks for extensions. For example, Create: C:\MyChromeScripts\
.
For each script create its own subdirectory. For example, HelloWorld
.
In that subdirectory, create or copy the script file. For example, Save this question's code as: HelloWorld.user.js
.
You must also create a manifest file in that subdirectory, it must be named: manifest.json
.
For our example, it should contain:
{
"manifest_version": 2,
"content_scripts": [ {
"exclude_globs": [ ],
"include_globs": [ "*" ],
"js": [ "HelloWorld.user.js" ],
"matches": [ "https://stackoverflow.com/*",
"https://stackoverflow.com/*"
],
"run_at": "document_end"
} ],
"converted_from_user_script": true,
"description": "My first sensibly named script!",
"name": "Hello World",
"version": "1"
}
The manifest.json
file is automatically generated from the meta-block by Chrome, when an user script is installed. The values of @include
and @exclude
meta-rules are stored in include_globs
and exclude_globs
, @match
(recommended) is stored in the matches
list. "converted_from_user_script": true
is required if you want to use any of the supported GM_*
methods.
Now, in Chrome's Extension manager (URL = chrome://extensions/), Expand "Developer mode".
Click the Load unpacked extension... button.
For the folder, paste in the folder for your script, In this example it is: C:\MyChromeScripts\HelloWorld
.
Your script is now installed, and operational!
If you make any changes to the script source, hit the Reload link for them to take effect:
1 The folder defaults to:
Windows XP: Chrome : %AppData%\..\Local Settings\Application Data\Google\Chrome\User Data\Default\Extensions\ Chromium: %AppData%\..\Local Settings\Application Data\Chromium\User Data\Default\Extensions\ Windows Vista/7/8: Chrome : %LocalAppData%\Google\Chrome\User Data\Default\Extensions\ Chromium: %LocalAppData%\Chromium\User Data\Default\Extensions\ Linux: Chrome : ~/.config/google-chrome/Default/Extensions/ Chromium: ~/.config/chromium/Default/Extensions/ Mac OS X: Chrome : ~/Library/Application Support/Google/Chrome/Default/Extensions/ Chromium: ~/Library/Application Support/Chromium/Default/Extensions/
Although you can change it by running Chrome with the --user-data-dir=
option.
index.html
<!DOCTYPE html>
<html>
<body>
<form action="submit.php" method="POST">
First name: <input type="text" name="firstname" /><br /><br />
Last name: <input type="text" name="lastname" /><br />
<input type="submit" value="Submit" />
</form>
</body>
</html>
After that one more file which page you want to display after pressing the submit button
submit.php
<html>
<body>
Your First Name is - <?php echo $_POST["firstname"]; ?><br>
Your Last Name is - <?php echo $_POST["lastname"]; ?>
</body>
</html>
mysqldump -u root -p --all-databases > alldb.sql
Look up the documentation for mysqldump. You may want to use some of the options mentioned in comments:
mysqldump -u root -p --opt --all-databases > alldb.sql
mysqldump -u root -p --all-databases --skip-lock-tables > alldb.sql
mysql -u root -p < alldb.sql
To use center alignment in ionic app code itself, you can use the following code:
<ion-row center>
<ion-col text-center>
<button ion-button>Search</button>
</ion-col>
</ion-row>
To use right alignment in ionic app code itself, you can use the following code:
<ion-row right>
<ion-col text-right>
<button ion-button>Search</button>
</ion-col>
</ion-row>
Have a look at entry points too. You will be able to use multiple CMD https://docs.docker.com/engine/reference/builder/#/entrypoint
Also for arrays (and tuples) you can use new interfaces from .NET 4.0: IStructuralComparable and IStructuralEquatable. Using them you can not only check equality of arrays but also compare them.
static class StructuralExtensions
{
public static bool StructuralEquals<T>(this T a, T b)
where T : IStructuralEquatable
{
return a.Equals(b, StructuralComparisons.StructuralEqualityComparer);
}
public static int StructuralCompare<T>(this T a, T b)
where T : IStructuralComparable
{
return a.CompareTo(b, StructuralComparisons.StructuralComparer);
}
}
{
var a = new[] { 1, 2, 3 };
var b = new[] { 1, 2, 3 };
Console.WriteLine(a.Equals(b)); // False
Console.WriteLine(a.StructuralEquals(b)); // True
}
{
var a = new[] { 1, 3, 3 };
var b = new[] { 1, 2, 3 };
Console.WriteLine(a.StructuralCompare(b)); // 1
}
Simple is cheap in web development. I recommend using empty string when removing a particular style
$(element).style.attr = ' ';
If the instance is in VPC, make sure both "DNS resolution" and "DNS hostnames" is set to "yes". You can do this in the Aws console UI. HTH!
If you are stuck with C++98 and don't want to use boost, here there is the solution I use when I need to initialize a static map:
typedef std::pair< int, char > elemPair_t;
elemPair_t elemPairs[] =
{
elemPair_t( 1, 'a'),
elemPair_t( 3, 'b' ),
elemPair_t( 5, 'c' ),
elemPair_t( 7, 'd' )
};
const std::map< int, char > myMap( &elemPairs[ 0 ], &elemPairs[ sizeof( elemPairs ) / sizeof( elemPairs[ 0 ] ) ] );
I think that a fast answer for get the first character could be:
let firstCharacter = aString[aString.startIndex]
It's so much elegant and performance than:
let firstCharacter = Array(aString.characters).first
But.. if you want manipulate and do more operations with strings you could think create an extension..here is one extension with this approach, it's quite similar to that already posted here:
extension String {
var length : Int {
return self.characters.count
}
subscript(integerIndex: Int) -> Character {
let index = startIndex.advancedBy(integerIndex)
return self[index]
}
subscript(integerRange: Range<Int>) -> String {
let start = startIndex.advancedBy(integerRange.startIndex)
let end = startIndex.advancedBy(integerRange.endIndex)
let range = start..<end
return self[range]
}
}
BUT IT'S A TERRIBLE IDEA!!
The extension below is horribly inefficient. Every time a string is accessed with an integer, an O(n) function to advance its starting index is run. Running a linear loop inside another linear loop means this for loop is accidentally O(n2) — as the length of the string increases, the time this loop takes increases quadratically.
Instead of doing that you could use the characters's string collection.
The Date functions posted by others are the most correct way to handle this.
However, it's funny you mention the term "floor", because there's a little hack that will run somewhat faster:
CAST(FLOOR(CAST(@dateParam AS float)) AS DateTime)
You can use this syntax if some grads are attached with your variables.
y=torch.Tensor.cpu(x).detach().numpy()[:,:,:,-1]
Easiest way to get text from the user:
EditText Variable1 = findViewById(R.id.enter_name);
String Variable2 = Variable1.getText().toString();
There are no industry standard definitions for Architect job titles -- Application/System/Software/Solution Architect all refer in general to a senior developer with strong design and leadership skills. The balance of design, strategy, development (often of core services or frameworks) and management differ based on the organization and project.
The only "Architect" job title that really has a different meaning for me is "Enterprise Architect", which I see as more of a IT strategy position.
By definition, by multiplying a 1D vector by its transpose, you've created a singular matrix.
Each row is a linear combination of the first row.
Notice that the second row is just 8x the first row.
Likewise, the third row is 50x the first row.
There's only one independent row in your matrix.
From version 14.0 onwards, the path to the setting dialog is slightly different, a General submenu has been added between Editor and Appearance as shown below
From IntelliJ 8.1.2 onwards, this option is in File | Settings1. Within the IDE Settings section of that dialog, you'll find it under Editor | Appearance.
Simply modern answer is because the tag is denoted as mandatory that way
Tag omission None, both the starting and ending tag are mandatory.
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script
I came up with this modification on Dion Truter's answer to make it easier with many tables:
SET GROUP_CONCAT_MAX_LEN = 10000000;
SELECT CONCAT('SET FOREIGN_KEY_CHECKS=0;\n',
GROUP_CONCAT(CONCAT('DROP TABLE IF EXISTS `', table_name, '`')
SEPARATOR ';\n'),
';\nSET FOREIGN_KEY_CHECKS=1;')
FROM information_schema.tables
WHERE table_schema = 'SchemaName';
This returns the entire thing in one field, so you can copy once and delete all the tables (use Copy Field Content (unquoted)
in Workbench). If you have a LOT of tables, you may hit some limits on GROUP_CONCAT()
. If so, increase the max len variable (and max_allowed_packet
, if necessary).
As mentioned previously you really can't do this. You can do a modal dialog inside the window using a UI framework, or you can have a popup window, with a script that auto-closes after a timeout... each has a negative aspect. The modal window inside the browser won't create any notification if the window is minimized, and a programmatic (timer based) popup is likely to be blocked by modern browsers, and popup blockers.
You youngins and your fancy less-than signs.
Back in my day we had to use Math.abs(num) != num //number is negative
!
You can use the Time.String()
method to convert a time.Time
to a string
. This uses the format string "2006-01-02 15:04:05.999999999 -0700 MST"
.
If you need other custom format, you can use Time.Format()
. For example to get the timestamp in the format of yyyy-MM-dd HH:mm:ss
use the format string "2006-01-02 15:04:05"
.
Example:
t := time.Now()
fmt.Println(t.String())
fmt.Println(t.Format("2006-01-02 15:04:05"))
Output (try it on the Go Playground):
2009-11-10 23:00:00 +0000 UTC
2009-11-10 23:00:00
Note: time on the Go Playground is always set to the value seen above. Run it locally to see current date/time.
Also note that using Time.Format()
, as the layout string
you always have to pass the same time –called the reference time– formatted in a way you want the result to be formatted. This is documented at Time.Format()
:
Format returns a textual representation of the time value formatted according to layout, which defines the format by showing how the reference time, defined to be
Mon Jan 2 15:04:05 -0700 MST 2006
would be displayed if it were the value; it serves as an example of the desired output. The same display rules will then be applied to the time value.
If I understand correctly, you can use the module operator for this. For example, in Java (and a lot of other languages), you could do:
//j is a multiple of four if
j % 4 == 0
The module operator performs division and gives you the remainder.
You don't need to muck about with extracting parts of the date. Just cast it to a date using to_date and the format in which its stored, then cast that date to a char in the format you want. Like this:
select to_char(to_date('1/10/2011','mm/dd/yyyy'),'mm-dd-yyyy') from dual
One of the answers in the question referred to by @Z.Bagley gave me the answer. I had to import Renderer2 from @angular/core into my component. Then:
const element = this.renderer.selectRootElement('#input1');
// setTimeout(() => element.focus, 0);
setTimeout(() => element.focus(), 0);
Thank you @MrBlaise for the solution!
1.Click on Configure
2.Then Choose Project Defaults
3.Click on Project Structure
4.Set android sdk path
You will find here "C:\User\YourPcname\AppData\Local\SDK"
Note: Sometime AppData
may hidden if it will not show then enable show hidden content.
5.Apply Changes
6.Then Select Sdk From Configure
option
7.Then Android sdk manager page is open
8.In bottom you will see Install packages
option
9.Install them and enjoy.
Here's how I do it with Express.js:
1) Check if the user is authenticated: I have a middleware function named CheckAuth which I use on every route that needs the user to be authenticated:
function checkAuth(req, res, next) {
if (!req.session.user_id) {
res.send('You are not authorized to view this page');
} else {
next();
}
}
I use this function in my routes like this:
app.get('/my_secret_page', checkAuth, function (req, res) {
res.send('if you are viewing this page it means you are logged in');
});
2) The login route:
app.post('/login', function (req, res) {
var post = req.body;
if (post.user === 'john' && post.password === 'johnspassword') {
req.session.user_id = johns_user_id_here;
res.redirect('/my_secret_page');
} else {
res.send('Bad user/pass');
}
});
3) The logout route:
app.get('/logout', function (req, res) {
delete req.session.user_id;
res.redirect('/login');
});
If you want to learn more about Express.js check their site here: expressjs.com/en/guide/routing.html If there's need for more complex stuff, checkout everyauth (it has a lot of auth methods available, for facebook, twitter etc; good tutorial on it here).
public static void openWebPage(String url) {
try {
Desktop desktop = Desktop.isDesktopSupported() ? Desktop.getDesktop() : null;
if (desktop != null && desktop.isSupported(Desktop.Action.BROWSE)) {
desktop.browse(new URI(url));
}
throw new NullPointerException();
} catch (Exception e) {
JOptionPane.showMessageDialog(null, url, "", JOptionPane.PLAIN_MESSAGE);
}
}
UPDATE
By Android Support Library 23.2 update, all WRAP_CONTENT should work correctly.
Please update version of a library in gradle file.
compile 'com.android.support:recyclerview-v7:23.2.0'
Original Answer
As answered on other question, you need to use original onMeasure() method when your recycler view height is bigger than screen height. This layout manager can calculate ItemDecoration and can scroll with more.
public class MyLinearLayoutManager extends LinearLayoutManager {
public MyLinearLayoutManager(Context context, int orientation, boolean reverseLayout) {
super(context, orientation, reverseLayout);
}
private int[] mMeasuredDimension = new int[2];
@Override
public void onMeasure(RecyclerView.Recycler recycler, RecyclerView.State state,
int widthSpec, int heightSpec) {
final int widthMode = View.MeasureSpec.getMode(widthSpec);
final int heightMode = View.MeasureSpec.getMode(heightSpec);
final int widthSize = View.MeasureSpec.getSize(widthSpec);
final int heightSize = View.MeasureSpec.getSize(heightSpec);
int width = 0;
int height = 0;
for (int i = 0; i < getItemCount(); i++) {
measureScrapChild(recycler, i,
View.MeasureSpec.makeMeasureSpec(i, View.MeasureSpec.UNSPECIFIED),
View.MeasureSpec.makeMeasureSpec(i, View.MeasureSpec.UNSPECIFIED),
mMeasuredDimension);
if (getOrientation() == HORIZONTAL) {
width = width + mMeasuredDimension[0];
if (i == 0) {
height = mMeasuredDimension[1];
}
} else {
height = height + mMeasuredDimension[1];
if (i == 0) {
width = mMeasuredDimension[0];
}
}
}
// If child view is more than screen size, there is no need to make it wrap content. We can use original onMeasure() so we can scroll view.
if (height < heightSize && width < widthSize) {
switch (widthMode) {
case View.MeasureSpec.EXACTLY:
width = widthSize;
case View.MeasureSpec.AT_MOST:
case View.MeasureSpec.UNSPECIFIED:
}
switch (heightMode) {
case View.MeasureSpec.EXACTLY:
height = heightSize;
case View.MeasureSpec.AT_MOST:
case View.MeasureSpec.UNSPECIFIED:
}
setMeasuredDimension(width, height);
} else {
super.onMeasure(recycler, state, widthSpec, heightSpec);
}
}
private void measureScrapChild(RecyclerView.Recycler recycler, int position, int widthSpec,
int heightSpec, int[] measuredDimension) {
View view = recycler.getViewForPosition(position);
// For adding Item Decor Insets to view
super.measureChildWithMargins(view, 0, 0);
if (view != null) {
RecyclerView.LayoutParams p = (RecyclerView.LayoutParams) view.getLayoutParams();
int childWidthSpec = ViewGroup.getChildMeasureSpec(widthSpec,
getPaddingLeft() + getPaddingRight() + getDecoratedLeft(view) + getDecoratedRight(view), p.width);
int childHeightSpec = ViewGroup.getChildMeasureSpec(heightSpec,
getPaddingTop() + getPaddingBottom() + getPaddingBottom() + getDecoratedBottom(view) , p.height);
view.measure(childWidthSpec, childHeightSpec);
// Get decorated measurements
measuredDimension[0] = getDecoratedMeasuredWidth(view) + p.leftMargin + p.rightMargin;
measuredDimension[1] = getDecoratedMeasuredHeight(view) + p.bottomMargin + p.topMargin;
recycler.recycleView(view);
}
}
}
original answer : https://stackoverflow.com/a/28510031/1577792
using System;
namespace ClassLibrary1
{
public class SameAssemblyBaseClass
{
public string publicVariable = "public";
protected string protectedVariable = "protected";
protected internal string protected_InternalVariable = "protected internal";
internal string internalVariable = "internal";
private string privateVariable = "private";
public void test()
{
// OK
Console.WriteLine(privateVariable);
// OK
Console.WriteLine(publicVariable);
// OK
Console.WriteLine(protectedVariable);
// OK
Console.WriteLine(internalVariable);
// OK
Console.WriteLine(protected_InternalVariable);
}
}
public class SameAssemblyDerivedClass : SameAssemblyBaseClass
{
public void test()
{
SameAssemblyDerivedClass p = new SameAssemblyDerivedClass();
// NOT OK
// Console.WriteLine(privateVariable);
// OK
Console.WriteLine(p.publicVariable);
// OK
Console.WriteLine(p.protectedVariable);
// OK
Console.WriteLine(p.internalVariable);
// OK
Console.WriteLine(p.protected_InternalVariable);
}
}
public class SameAssemblyDifferentClass
{
public SameAssemblyDifferentClass()
{
SameAssemblyBaseClass p = new SameAssemblyBaseClass();
// OK
Console.WriteLine(p.publicVariable);
// OK
Console.WriteLine(p.internalVariable);
// NOT OK
// Console.WriteLine(privateVariable);
// Error : 'ClassLibrary1.SameAssemblyBaseClass.protectedVariable' is inaccessible due to its protection level
//Console.WriteLine(p.protectedVariable);
// OK
Console.WriteLine(p.protected_InternalVariable);
}
}
}
using System;
using ClassLibrary1;
namespace ConsoleApplication4
{
class DifferentAssemblyClass
{
public DifferentAssemblyClass()
{
SameAssemblyBaseClass p = new SameAssemblyBaseClass();
// NOT OK
// Console.WriteLine(p.privateVariable);
// NOT OK
// Console.WriteLine(p.internalVariable);
// OK
Console.WriteLine(p.publicVariable);
// Error : 'ClassLibrary1.SameAssemblyBaseClass.protectedVariable' is inaccessible due to its protection level
// Console.WriteLine(p.protectedVariable);
// Error : 'ClassLibrary1.SameAssemblyBaseClass.protected_InternalVariable' is inaccessible due to its protection level
// Console.WriteLine(p.protected_InternalVariable);
}
}
class DifferentAssemblyDerivedClass : SameAssemblyBaseClass
{
static void Main(string[] args)
{
DifferentAssemblyDerivedClass p = new DifferentAssemblyDerivedClass();
// NOT OK
// Console.WriteLine(p.privateVariable);
// NOT OK
//Console.WriteLine(p.internalVariable);
// OK
Console.WriteLine(p.publicVariable);
// OK
Console.WriteLine(p.protectedVariable);
// OK
Console.WriteLine(p.protected_InternalVariable);
SameAssemblyDerivedClass dd = new SameAssemblyDerivedClass();
dd.test();
}
}
}
It sounds like it's just a compiler warning.
Usage of scanf_s
prevents possible buffer overflow.
See: http://code.wikia.com/wiki/Scanf_s
Good explanation as to why scanf
can be dangerous: Disadvantages of scanf
So as suggested, you can try replacing scanf
with scanf_s
or disable the compiler warning.
I would try this:
select sum (case when TotalHousM is null then 0 else TotalHousM end)
+ (case when TotalHousT is null then 0 else TotalHousT end)
+ (case when TotalHousW is null then 0 else TotalHousW end)
+ (case when TotalHousTH is null then 0 else TotalHousTH end)
+ (case when TotalHousF is null then 0 else TotalHousF end)
as Total
From LeaveRequest
You are doing it right with ServerCertificateValidationCallback. This is not the problem you are facing. The problem you are facing is most likely the version of SSL/TLS protocol.
For example, if your server offers only SSLv3 and TLSv10 and your client needs TLSv12 then you will receive this error message. What you need to do is to make sure that both client and server have a common protocol version supported.
When I need a client that is able to connect to as many servers as possible (rather than to be as secure as possible) I use this (together with setting the validation callback):
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
As explained here, in the context of main
both return
and exit
do the same thing
Q: Why do we need to return
or exit
?
A: To indicate execution status.
In your example even if you didnt have return or exit statements the code would run fine (Assuming everything else is syntactically,etc-ally correct. Also, if (and it should be) main
returns int
you need that return 0
at the end).
But, after execution you don't have a way to find out if your code worked as expected.
You can use the return code of the program (In *nix environments , using $?
) which gives you the code (as set by exit
or return
) . Since you set these codes yourself you understand at which point the code reached before terminating.
You can write return 123
where 123
indicates success in the post execution checks.
Usually, in *nix environments 0
is taken as success and non-zero codes as failures.
To open from with button click please add the following code in the button event handler
var m = new Form1();
m.Show();
Here Form1 is the name of the form which you want to open.
Also to close the current form, you may use
this.close();
In general, one doesn't expand out log(a + b)
; you just deal with it as is. That said, there are occasionally circumstances where it makes sense to use the following identity:
log(a + b) = log(a * (1 + b/a)) = log a + log(1 + b/a)
(In fact, this identity is often used when implementing log
in math libraries).
i personally would prefer
if(true == foo)
{
}
there is no chance for the ==/= mistype and i find it more expressive in terms of foo's type. But it is a very subjective question.
Start an Android Emulator (make sure that all supported APIs are included when you created the emulator, we needed to have the Google APIs for instance).
Then simply email yourself a link to the .apk file, and download it directly in the emulator, and click the downloaded file to install it.
If the inner object is inheriting properties you don't want, you can always set them to what you do want (ie - the properties are cascading, and so you can overwrite them at the lower level).
e.g.
.li-a {
font-weight: bold;
color: red;
}
.li-b {
color: blue;
}
In this case, "li-b" will still be bold even though you don't want it to be. To make it not bold you can do:
.li-b {
font-weight: normal;
color: blue;
}
In the case of difference between [] and list(), there is a pitfall that I haven't seen anyone else point out. If you use a dictionary as a member of the list, the two will give entirely different results:
In [1]: foo_dict = {"1":"foo", "2":"bar"}
In [2]: [foo_dict]
Out [2]: [{'1': 'foo', '2': 'bar'}]
In [3]: list(foo_dict)
Out [3]: ['1', '2']
In my case, I was missing a "name" attribute on my input element.
Any macro that uses the token concatenation operator ##
.
I saw one that a colleague of mine had the pleasure of working with. They tried to make a custom-implementation of string interning, so they re-implemented strings using a massive number of macros that (of course) didn't work properly. Trying to figure out what it did made my eyes explode because of all the ##
's scattered about.
In the current version of TortoiseHg Workbench 4.4.1 (07.2018) you can use Repository
- Rollback/undo...
:
The problem is that you forgot to import os. Add this line of code:
import os
And everything should be fine. Hope this helps!
That's correct. You can find more about it in the Oracle guide on varargs.
Here's an example:
void foo(String... args) {
for (String arg : args) {
System.out.println(arg);
}
}
which can be called as
foo("foo"); // Single arg.
foo("foo", "bar"); // Multiple args.
foo("foo", "bar", "lol"); // Don't matter how many!
foo(new String[] { "foo", "bar" }); // Arrays are also accepted.
foo(); // And even no args.
Give another go at force removing the brewed version of git
brew uninstall --force git
Then cleanup any older versions and clear the brew cache
brew cleanup -s git
Remove any dead symlinks
brew cleanup --prune-prefix
Then try reinstalling git
brew install git
If that doesn't work, I'd remove that installation of Homebrew altogether and reinstall it. If you haven't placed anything else in your brew --prefix
directory (/usr/local
by default), you can simply rm -rf $(brew --prefix)
. Otherwise the Homebrew wiki recommends using a script at https://gist.github.com/mxcl/1173223#file-uninstall_homebrew-sh
$("#news_gallery li .over").click(function() {
article = $("#news-article .news-article");
});
The floated elements do not add to the height of the container element, and hence if you don't clear them, container height won't increase...
I'll show you visually:
More Explanation:
<div>
<div style="float: left;"></div>
<div style="width: 15px;"></div> <!-- This will shift
besides the top div. Why? Because of the top div
is floated left, making the
rest of the space blank -->
<div style="clear: both;"></div>
<!-- Now in order to prevent the next div from floating beside the top ones,
we use `clear: both;`. This is like a wall, so now none of the div's
will be floated after this point. The container height will now also include the
height of these floated divs -->
<div></div>
</div>
You can also add overflow: hidden;
on container elements, but I would suggest you use clear: both;
instead.
Also if you might like to self-clear an element you can use
.self_clear:after {
content: "";
clear: both;
display: table;
}
The float
property is misunderstood by most beginners. Well, what exactly does float
do? Initially, the float
property was introduced to flow text around images, which are floated left
or right
. Here's another explanation by @Madara Uchicha.
So, is it wrong to use the float
property for placing boxes side by side? The answer is no; there is no problem if you use the float
property in order to set boxes side by side.
Floating an inline
or block
level element will make the element behave like an inline-block
element.
If you float an element left
or right
, the width
of the element will be limited to the content it holds, unless width
is defined explicitly ...
You cannot float
an element center
. This is the biggest issue I've always seen with beginners, using , which is not a valid value for the float: center;
float
property. float
is generally used to float
/move content to the very left or to the very right. There are only four valid values for float
property i.e left
, right
, none
(default) and inherit
.
Parent element collapses, when it contains floated child elements, in order to prevent this, we use clear: both;
property, to clear the floated elements on both the sides, which will prevent the collapsing of the parent element. For more information, you can refer my another answer here.
(Important) Think of it where we have a stack of various elements. When we use float: left;
or float: right;
the element moves above the stack by one. Hence the elements in the normal document flow will hide behind the floated elements because it is on stack level above the normal floated elements. (Please don't relate this to z-index
as that is completely different.)
Taking a case as an example to explain how CSS floats work, assuming we need a simple 2 column layout with a header, footer, and 2 columns, so here is what the blueprint looks like...
In the above example, we will be floating only the red boxes, either you can float
both to the left
, or you can float
on to left
, and another to right
as well, depends on the layout, if it's 3 columns, you may float
2 columns to left
where another one to the right
so depends, though in this example, we have a simplified 2 column layout so will float
one to left
and the other to the right
.
Markup and styles for creating the layout explained further down...
<div class="main_wrap">
<header>Header</header>
<div class="wrapper clear">
<div class="floated_left">
This<br />
is<br />
just<br />
a<br />
left<br />
floated<br />
column<br />
</div>
<div class="floated_right">
This<br />
is<br />
just<br />
a<br />
right<br />
floated<br />
column<br />
</div>
</div>
<footer>Footer</footer>
</div>
* {
-moz-box-sizing: border-box; /* Just for demo purpose */
-webkkit-box-sizing: border-box; /* Just for demo purpose */
box-sizing: border-box; /* Just for demo purpose */
margin: 0;
padding: 0;
}
.main_wrap {
margin: 20px;
border: 3px solid black;
width: 520px;
}
header, footer {
height: 50px;
border: 3px solid silver;
text-align: center;
line-height: 50px;
}
.wrapper {
border: 3px solid green;
}
.floated_left {
float: left;
width: 200px;
border: 3px solid red;
}
.floated_right {
float: right;
width: 300px;
border: 3px solid red;
}
.clear:after {
clear: both;
content: "";
display: table;
}
Let's go step by step with the layout and see how float works..
First of all, we use the main wrapper element, you can just assume that it's your viewport, then we use header
and assign a height
of 50px
so nothing fancy there. It's just a normal non floated block level element which will take up 100%
horizontal space unless it's floated or we assign inline-block
to it.
The first valid value for float
is left
so in our example, we use float: left;
for .floated_left
, so we intend to float a block to the left
of our container element.
And yes, if you see, the parent element, which is .wrapper
is collapsed, the one you see with a green border didn't expand, but it should right? Will come back to that in a while, for now, we have got a column floated to left
.
Coming to the second column, lets it float
this one to the right
Another column floated to the right
Here, we have a 300px
wide column which we float
to the right
, which will sit beside the first column as it's floated to the left
, and since it's floated to the left
, it created empty gutter to the right
, and since there was ample of space on the right
, our right
floated element sat perfectly beside the left
one.
Still, the parent element is collapsed, well, let's fix that now. There are many ways to prevent the parent element from getting collapsed.
clear: both;
before the parent element ends, which holds floated elements, now this one is a cheap solution to clear
your floating elements which will do the job for you but, I would recommend not to use this.Add, <div style="clear: both;"></div>
before the .wrapper
div
ends, like
<div class="wrapper clear">
<!-- Floated columns -->
<div style="clear: both;"></div>
</div>
Well, that fixes very well, no collapsed parent anymore, but it adds unnecessary markup to the DOM, so some suggest, to use overflow: hidden;
on the parent element holding floated child elements which work as intended.
Use overflow: hidden;
on .wrapper
.wrapper {
border: 3px solid green;
overflow: hidden;
}
That saves us an element every time we need to clear
float
but as I tested various cases with this, it failed in one particular one, which uses box-shadow
on the child elements.
Demo (Can't see the shadow on all 4 sides, overflow: hidden;
causes this issue)
So what now? Save an element, no overflow: hidden;
so go for a clear fix hack, use the below snippet in your CSS, and just as you use overflow: hidden;
for the parent element, call the class
below on the parent element to self-clear.
.clear:after {
clear: both;
content: "";
display: table;
}
<div class="wrapper clear">
<!-- Floated Elements -->
</div>
Here, shadow works as intended, also, it self-clears the parent element which prevents to collapse.
And lastly, we use footer after we clear
the floated elements.
When is float: none;
used anyways, as it is the default, so any use to declare float: none;
?
Well, it depends, if you are going for a responsive design, you will use this value a lot of times, when you want your floated elements to render one below another at a certain resolution. For that float: none;
property plays an important role there.
Few real-world examples of how float
is useful.
img
floated inside p
which will enable our content to flow around.Demo (Without floating img
)
Demo 2 (img
floated to the left
)
float
for creating horizontal menu - DemoLast but not the least, I want to explain this particular case where you float
only single element to the left
but you do not float
the other, so what happens?
Suppose if we remove float: right;
from our .floated_right
class
, the div
will be rendered from extreme left
as it isn't floated.
So in this case, either you can float
the to the left
as well
OR
You can use margin-left
which will be equal to the size of the left floated column i.e 200px
wide.
You can compare two String by using this.
Collections.sort(contactsList, new Comparator<ContactsData>() {
@Override
public int compare(ContactsData lhs, ContactsData rhs) {
char l = Character.toUpperCase(lhs.name.charAt(0));
if (l < 'A' || l > 'Z')
l += 'Z';
char r = Character.toUpperCase(rhs.name.charAt(0));
if (r < 'A' || r > 'Z')
r += 'Z';
String s1 = l + lhs.name.substring(1);
String s2 = r + rhs.name.substring(1);
return s1.compareTo(s2);
}
});
And Now make a ContactData Class.
public class ContactsData {
public String name;
public String id;
public String email;
public String avatar;
public String connection_type;
public String thumb;
public String small;
public String first_name;
public String last_name;
public String no_of_user;
public int grpIndex;
public ContactsData(String name, String id, String email, String avatar, String connection_type)
{
this.name = name;
this.id = id;
this.email = email;
this.avatar = avatar;
this.connection_type = connection_type;
}
}
Here contactsList is :
public static ArrayList<ContactsData> contactsList = new ArrayList<ContactsData>();
I have found the solution:
We have to create two "apps" in the firebase project, and then we can download json file from any one app (I downloaded from the flavoured app). It will contain the data for both the apps. We can simply copy the json file to the app's root directory.
Source: https://firebase.googleblog.com/2016/08/organizing-your-firebase-enabled-android-app-builds.html
Use: xmlhttp.setRequestHeader(key, value);
Completely untested, but this should work:
View positiveButton = findViewById(R.id.positiveButton);
RelativeLayout.LayoutParams layoutParams =
(RelativeLayout.LayoutParams)positiveButton.getLayoutParams();
layoutParams.addRule(RelativeLayout.CENTER_IN_PARENT, RelativeLayout.TRUE);
positiveButton.setLayoutParams(layoutParams);
add android:configChanges="orientation|screenSize"
inside your activity in your manifest
In your form tag just paste this:
onkeypress="return event.keyCode != 13;"
Example
<input type="text" class="search" placeholder="search" onkeypress="return event.keyCode != 13;">
This can be useful if you want to do search when typing and ignoring ENTER.
/// Grab the search term
const searchInput = document.querySelector('.search')
/// Update search term when typing
searchInput.addEventListener('keyup', displayMatches)
Clarifications to the preceding posts:
References are NOT a guarantee of getting a non-null pointer. (Though we often treat them as such.)
While horrifically bad code, as in take you out behind the woodshed bad code, the following will compile & run: (At least under my compiler.)
bool test( int & a)
{
return (&a) == (int *) NULL;
}
int
main()
{
int * i = (int *)NULL;
cout << ( test(*i) ) << endl;
};
The real issue I have with references lies with other programmers, henceforth termed IDIOTS, who allocate in the constructor, deallocate in the destructor, and fail to supply a copy constructor or operator=().
Suddenly there's a world of difference between foo(BAR bar) and foo(BAR & bar). (Automatic bitwise copy operation gets invoked. Deallocation in destructor gets invoked twice.)
Thankfully modern compilers will pick up this double-deallocation of the same pointer. 15 years ago, they didn't. (Under gcc/g++, use setenv MALLOC_CHECK_ 0 to revisit the old ways.) Resulting, under DEC UNIX, in the same memory being allocated to two different objects. Lots of debugging fun there...
More practically:
Something like:
select t1.name, t2.image_id, t3.path
from table1 t1 inner join table2 t2 on t1.person_id = t2.person_id
inner join table3 t3 on t2.image_id=t3.image_id
In general it makes sense only to display the Whatsapp Link on iOS or Android Devices only, using java script:
if (navigator.userAgent.match(/iPhone|Android/i)) {
document.write('<a href="whatsapp://send?text=See..">Share on WhatApp</a>');
}
Either way, when the using block is exited (either by successful completion or by error) it is closed.
Although I think it would be better to organize like this because it's a lot easier to see what is going to happen, even for the new maintenance programmer who will support it later:
using (SqlConnection connection = new SqlConnection(connectionString))
{
int employeeID = findEmployeeID();
try
{
connection.Open();
SqlCommand command = new SqlCommand("UpdateEmployeeTable", connection);
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add(new SqlParameter("@EmployeeID", employeeID));
command.CommandTimeout = 5;
command.ExecuteNonQuery();
}
catch (Exception)
{
/*Handle error*/
}
}
Use @Html.Raw()
with caution as you may cause more trouble with encoding and security. I understand the use case as I had to do this myself, but carefully... Just avoid allowing all text through. For example only preserve/convert specific character sequences and always encode the rest:
@Html.Raw(Html.Encode(myString).Replace("\n", "<br/>"))
Then you have peace of mind that you haven't created a potential security hole and any special/foreign characters are displayed correctly in all browsers.
You are close already. Just make sure to hide the checkbox and associate it with a label you style via input[checkbox] + label
Complete Code: http://gist.github.com/592332
JSFiddle: http://jsfiddle.net/4huzr/
Well those Data Annotations should do the trick, maybe is something related with the PostgreSQL Provider.
From EF Core documentation:
Depending on the database provider being used, values may be generated client side by EF or in the database. If the value is generated by the database, then EF may assign a temporary value when you add the entity to the context. This temporary value will then be replaced by the database generated value during
SaveChanges
.
You could also try with this Fluent Api configuration:
modelBuilder.Entity<Foo>()
.Property(f => f.Id)
.ValueGeneratedOnAdd();
But as I said earlier, I think this is something related with the DB provider. Try to add a new row to your DB and check later if was generated a value to the Id
column.
2014 answer: classList.toggle()
is the standard and supported by most browsers.
Older browsers can use use classlist.js for classList.toggle():
var menu = document.querySelector('.menu') // Using a class instead, see note below.
menu.classList.toggle('hidden-phone');
As an aside, you shouldn't be using IDs (they leak globals into the JS window
object).
See this fiddle.
Basically, you want to get the value
s of your option
-tags, but you always try to get the value of your select
-node with $("#first").val()
.
So we have to select the option-tags and we will utilize jQuerys selectors:
$("#first option").each(function() {
console.log($(this).val());
});
$("#first option")
selects every option
which is a child of the element with the id first
.
var Line = textBox1.Text + "," + textBox2.Text;
File.AppendAllText(@"C:\Documents\m2.txt", Line + Environment.NewLine);
BEST ANSWER 1:
ActionNameSelectorAttribute
mentioned in
ANSWER 2
Reference: dotnet-tricks - Handling multiple submit buttons on the same form - MVC Razor
Second Approach
Adding a new Form for handling Cancel button click. Now, on Cancel button click we will post the second form and will redirect to the home page.
Third Approach: Client Script
<button name="ClientCancel" type="button"
onclick=" document.location.href = $('#cancelUrl').attr('href');">Cancel (Client Side)
</button>
<a id="cancelUrl" href="@Html.AttributeEncode(Url.Action("Index", "Home"))"
style="display:none;"></a>
You can not alter constraints ever but you can drop them and then recreate.
Have look on this
ALTER TABLE your_table DROP CONSTRAINT ACTIVEPROG_FKEY1;
and then recreate it with ON DELETE CASCADE
like this
ALTER TABLE your_table
add CONSTRAINT ACTIVEPROG_FKEY1 FOREIGN KEY(ActiveProgCode) REFERENCES PROGRAM(ActiveProgCode)
ON DELETE CASCADE;
hope this help
Version of the above supporting UTF8:
Private Const CP_UTF8 = 65001
#If VBA7 Then
Private Declare PtrSafe Function WideCharToMultiByte Lib "kernel32" ( _
ByVal CodePage As Long, _
ByVal dwFlags As Long, _
ByVal lpWideCharStr As LongPtr, _
ByVal cchWideChar As Long, _
ByVal lpMultiByteStr As LongPtr, _
ByVal cbMultiByte As Long, _
ByVal lpDefaultChar As Long, _
ByVal lpUsedDefaultChar As Long _
) As Long
#Else
Private Declare Function WideCharToMultiByte Lib "kernel32" ( _
ByVal CodePage As Long, _
ByVal dwFlags As Long, _
ByVal lpWideCharStr As Long, _
ByVal cchWideChar As Long, _
ByVal lpMultiByteStr As Long, _
ByVal cbMultiByte As Long, _
ByVal lpDefaultChar As Long, _
ByVal lpUsedDefaultChar As Long _
) As Long
#End If
Public Function UTF16To8(ByVal UTF16 As String) As String
Dim sBuffer As String
Dim lLength As Long
If UTF16 <> "" Then
#If VBA7 Then
lLength = WideCharToMultiByte(CP_UTF8, 0, CLngPtr(StrPtr(UTF16)), -1, 0, 0, 0, 0)
#Else
lLength = WideCharToMultiByte(CP_UTF8, 0, StrPtr(UTF16), -1, 0, 0, 0, 0)
#End If
sBuffer = Space$(lLength)
#If VBA7 Then
lLength = WideCharToMultiByte(CP_UTF8, 0, CLngPtr(StrPtr(UTF16)), -1, CLngPtr(StrPtr(sBuffer)), LenB(sBuffer), 0, 0)
#Else
lLength = WideCharToMultiByte(CP_UTF8, 0, StrPtr(UTF16), -1, StrPtr(sBuffer), LenB(sBuffer), 0, 0)
#End If
sBuffer = StrConv(sBuffer, vbUnicode)
UTF16To8 = Left$(sBuffer, lLength - 1)
Else
UTF16To8 = ""
End If
End Function
Public Function URLEncode( _
StringVal As String, _
Optional SpaceAsPlus As Boolean = False, _
Optional UTF8Encode As Boolean = True _
) As String
Dim StringValCopy As String: StringValCopy = IIf(UTF8Encode, UTF16To8(StringVal), StringVal)
Dim StringLen As Long: StringLen = Len(StringValCopy)
If StringLen > 0 Then
ReDim Result(StringLen) As String
Dim I As Long, CharCode As Integer
Dim Char As String, Space As String
If SpaceAsPlus Then Space = "+" Else Space = "%20"
For I = 1 To StringLen
Char = Mid$(StringValCopy, I, 1)
CharCode = Asc(Char)
Select Case CharCode
Case 97 To 122, 65 To 90, 48 To 57, 45, 46, 95, 126
Result(I) = Char
Case 32
Result(I) = Space
Case 0 To 15
Result(I) = "%0" & Hex(CharCode)
Case Else
Result(I) = "%" & Hex(CharCode)
End Select
Next I
URLEncode = Join(Result, "")
End If
End Function
Enjoy!
I couldn't figure out why popen/pclose is missing from Code::Blocks/MinGW. So I worked around the problem by using CreateProcess() and CreatePipe() instead.
Here's the solution that worked for me:
//C++11
#include <cstdio>
#include <iostream>
#include <windows.h>
#include <cstdint>
#include <deque>
#include <string>
#include <thread>
using namespace std;
int SystemCapture(
string CmdLine, //Command Line
string CmdRunDir, //set to '.' for current directory
string& ListStdOut, //Return List of StdOut
string& ListStdErr, //Return List of StdErr
uint32_t& RetCode) //Return Exit Code
{
int Success;
SECURITY_ATTRIBUTES security_attributes;
HANDLE stdout_rd = INVALID_HANDLE_VALUE;
HANDLE stdout_wr = INVALID_HANDLE_VALUE;
HANDLE stderr_rd = INVALID_HANDLE_VALUE;
HANDLE stderr_wr = INVALID_HANDLE_VALUE;
PROCESS_INFORMATION process_info;
STARTUPINFO startup_info;
thread stdout_thread;
thread stderr_thread;
security_attributes.nLength = sizeof(SECURITY_ATTRIBUTES);
security_attributes.bInheritHandle = TRUE;
security_attributes.lpSecurityDescriptor = nullptr;
if (!CreatePipe(&stdout_rd, &stdout_wr, &security_attributes, 0) ||
!SetHandleInformation(stdout_rd, HANDLE_FLAG_INHERIT, 0)) {
return -1;
}
if (!CreatePipe(&stderr_rd, &stderr_wr, &security_attributes, 0) ||
!SetHandleInformation(stderr_rd, HANDLE_FLAG_INHERIT, 0)) {
if (stdout_rd != INVALID_HANDLE_VALUE) CloseHandle(stdout_rd);
if (stdout_wr != INVALID_HANDLE_VALUE) CloseHandle(stdout_wr);
return -2;
}
ZeroMemory(&process_info, sizeof(PROCESS_INFORMATION));
ZeroMemory(&startup_info, sizeof(STARTUPINFO));
startup_info.cb = sizeof(STARTUPINFO);
startup_info.hStdInput = 0;
startup_info.hStdOutput = stdout_wr;
startup_info.hStdError = stderr_wr;
if(stdout_rd || stderr_rd)
startup_info.dwFlags |= STARTF_USESTDHANDLES;
// Make a copy because CreateProcess needs to modify string buffer
char CmdLineStr[MAX_PATH];
strncpy(CmdLineStr, CmdLine.c_str(), MAX_PATH);
CmdLineStr[MAX_PATH-1] = 0;
Success = CreateProcess(
nullptr,
CmdLineStr,
nullptr,
nullptr,
TRUE,
0,
nullptr,
CmdRunDir.c_str(),
&startup_info,
&process_info
);
CloseHandle(stdout_wr);
CloseHandle(stderr_wr);
if(!Success) {
CloseHandle(process_info.hProcess);
CloseHandle(process_info.hThread);
CloseHandle(stdout_rd);
CloseHandle(stderr_rd);
return -4;
}
else {
CloseHandle(process_info.hThread);
}
if(stdout_rd) {
stdout_thread=thread([&]() {
DWORD n;
const size_t bufsize = 1000;
char buffer [bufsize];
for(;;) {
n = 0;
int Success = ReadFile(
stdout_rd,
buffer,
(DWORD)bufsize,
&n,
nullptr
);
printf("STDERR: Success:%d n:%d\n", Success, (int)n);
if(!Success || n == 0)
break;
string s(buffer, n);
printf("STDOUT:(%s)\n", s.c_str());
ListStdOut += s;
}
printf("STDOUT:BREAK!\n");
});
}
if(stderr_rd) {
stderr_thread=thread([&]() {
DWORD n;
const size_t bufsize = 1000;
char buffer [bufsize];
for(;;) {
n = 0;
int Success = ReadFile(
stderr_rd,
buffer,
(DWORD)bufsize,
&n,
nullptr
);
printf("STDERR: Success:%d n:%d\n", Success, (int)n);
if(!Success || n == 0)
break;
string s(buffer, n);
printf("STDERR:(%s)\n", s.c_str());
ListStdOut += s;
}
printf("STDERR:BREAK!\n");
});
}
WaitForSingleObject(process_info.hProcess, INFINITE);
if(!GetExitCodeProcess(process_info.hProcess, (DWORD*) &RetCode))
RetCode = -1;
CloseHandle(process_info.hProcess);
if(stdout_thread.joinable())
stdout_thread.join();
if(stderr_thread.joinable())
stderr_thread.join();
CloseHandle(stdout_rd);
CloseHandle(stderr_rd);
return 0;
}
int main()
{
int rc;
uint32_t RetCode;
string ListStdOut;
string ListStdErr;
cout << "STARTING.\n";
rc = SystemCapture(
"C:\\Windows\\System32\\ipconfig.exe", //Command Line
".", //CmdRunDir
ListStdOut, //Return List of StdOut
ListStdErr, //Return List of StdErr
RetCode //Return Exit Code
);
if (rc < 0) {
cout << "ERROR: SystemCapture\n";
}
cout << "STDOUT:\n";
cout << ListStdOut;
cout << "STDERR:\n";
cout << ListStdErr;
cout << "Finished.\n";
cout << "Press Enter to Continue";
cin.ignore();
return 0;
}
I solved my problem using some css into the web page.
<style media="print">
@page {
size: auto;
margin: 0;
}
</style>
This is a working example of making ZIPs in PHP:
$zip = new ZipArchive();
$zip_name = time().".zip"; // Zip name
$zip->open($zip_name, ZipArchive::CREATE);
foreach ($files as $file) {
echo $path = "uploadpdf/".$file;
if(file_exists($path)){
$zip->addFromString(basename($path), file_get_contents($path));
}
else{
echo"file does not exist";
}
}
$zip->close();
Check out also the --sig-proxy
option:
docker attach --sig-proxy=false 304f5db405ec
Then use CTRL+c to detach
["some", "thing"] + ["another", "thing"]
The missing getParameterMap override ended up being a real problem for me. So this is what I ended up with:
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
/***
* Request wrapper enabling the update of a request-parameter.
*
* @author E.K. de Lang
*
*/
final class HttpServletRequestReplaceParameterWrapper
extends HttpServletRequestWrapper
{
private final Map<String, String[]> keyValues;
@SuppressWarnings("unchecked")
HttpServletRequestReplaceParameterWrapper(HttpServletRequest request, String key, String value)
{
super(request);
keyValues = new HashMap<String, String[]>();
keyValues.putAll(request.getParameterMap());
// Can override the values in the request
keyValues.put(key, new String[] { value });
}
@SuppressWarnings("unchecked")
HttpServletRequestReplaceParameterWrapper(HttpServletRequest request, Map<String, String> additionalRequestParameters)
{
super(request);
keyValues = new HashMap<String, String[]>();
keyValues.putAll(request.getParameterMap());
for (Map.Entry<String, String> entry : additionalRequestParameters.entrySet()) {
keyValues.put(entry.getKey(), new String[] { entry.getValue() });
}
}
@Override
public String getParameter(String name)
{
if (keyValues.containsKey(name)) {
String[] strings = keyValues.get(name);
if (strings == null || strings.length == 0) {
return null;
}
else {
return strings[0];
}
}
else {
// Just in case the request has some tricks of it's own.
return super.getParameter(name);
}
}
@Override
public String[] getParameterValues(String name)
{
String[] value = this.keyValues.get(name);
if (value == null) {
// Just in case the request has some tricks of it's own.
return super.getParameterValues(name);
}
else {
return value;
}
}
@Override
public Map<String, String[]> getParameterMap()
{
return this.keyValues;
}
}
Perhaps you wanted to #include<string>
, not <string.h>
. std::string
also needs a namespace qualification, or an explicit using
directive.
It is sure because the Invoke-WebRequest command has a dependency on the Internet Explorer assemblies and are invoking it to parse the result as per default behaviour. As Matt suggest, you can simply launch IE and make your selection in the settings prompt which is popping up at first launch. And the error you experience will disappear.
But this is only possible if you run your powershell scripts as the same windows user as whom you launched the IE with. The IE settings are stored under your current windows profile. So if you, like me run your task in a scheduler on a server as the SYSTEM user, this will not work.
So here you will have to change your scripts and add the -UseBasicParsing argument, as ijn this example: $WebResponse = Invoke-WebRequest -Uri $url -TimeoutSec 1800 -ErrorAction:Stop -Method:Post -Headers $headers -UseBasicParsing
It is possible to use full C# 6.0 features in Visual Studio 2013 if you have Resharper.
You have to enable Resharper Build and voilá!
In Resharper Options -> Build - enable Resharper Build and in "Use MSBuild.exe version" choose "Latest Installed"
This way Resharper is going to build your C# 6.0 Projects and will also not underline C# 6.0 code as invalid.
I am also using this although I have Visual Studio 2015 because:
I am putting this here, as I was looking for a solution for this problem for some time now and maybe it will help someone else.
Those are all ways to start the standard minecraft launcher with those credentials in the text boxes.
There used to be a way to login to minecraft without the launcher using the command line, but it has since been patched.
If you want to make a custom launcher using the command line then good luck, the only way to login to the minecraft jar(IE: the way the launcher does it) is to send a post request to https://login.minecraft.net/ with the username,password,launcher version, and a RSA key. It then parses the pseudo Json, and uses the session token from that to authenticate the jar from the command line with a load of arguments.
If you are trying to make a minecraft launcher and you have no knowledge of java,http requests or json then you have no chance.
Swift
First, the ++ operator takes precedence over the * operator, and the () operators take precedence over everything else.
Second, the ++number operator is the same as the number++ operator if you're not assigning them to anything. The difference is number++ returns number and then increments number, and ++number increments first and then returns it.
Third, by increasing the value of a pointer, you're incrementing it by the sizeof its contents, that is you're incrementing it as if you were iterating in an array.
So, to sum it all up:
ptr++; // Pointer moves to the next int position (as if it was an array)
++ptr; // Pointer moves to the next int position (as if it was an array)
++*ptr; // The value of ptr is incremented
++(*ptr); // The value of ptr is incremented
++*(ptr); // The value of ptr is incremented
*ptr++; // Pointer moves to the next int position (as if it was an array). But returns the old content
(*ptr)++; // The value of ptr is incremented
*(ptr)++; // Pointer moves to the next int position (as if it was an array). But returns the old content
*++ptr; // Pointer moves to the next int position, and then get's accessed, with your code, segfault
*(++ptr); // Pointer moves to the next int position, and then get's accessed, with your code, segfault
As there are a lot of cases in here, I might have made some mistake, please correct me if I'm wrong.
EDIT:
So I was wrong, the precedence is a little more complicated than what I wrote, view it here: http://en.cppreference.com/w/cpp/language/operator_precedence
Most of the time, in enterprise applications the Java heap given is larger than the ideal size of max 12 to 16 GB. I have found it hard to make the NetBeans profiler work directly on these big java apps.
But usually this is not needed. You can use the jmap utility that comes with the jdk to take a "live" heap dump , that is jmap will dump the heap after running GC. Do some operation on the application, wait till the operation is completed, then take another "live" heap dump. Use tools like Eclipse MAT to load the heapdumps, sort on the histogram, see which objects have increased, or which are the highest, This would give a clue.
su proceeuser
/bin/jmap -dump:live,format=b,file=/tmp/2930javaheap.hrpof 2930(pid of process)
There is only one problem with this approach; Huge heap dumps, even with the live option, may be too big to transfer out to development lap, and may need a machine with enough memory/RAM to open.
That is where the class histogram comes into picture. You can dump a live class histogram with the jmap tool. This will give only the class histogram of memory usage.Basically it won't have the information to chain the reference. For example it may put char array at the top. And String class somewhere below. You have to draw the connection yourself.
jdk/jdk1.6.0_38/bin/jmap -histo:live 60030 > /tmp/60030istolive1330.txt
Instead of taking two heap dumps, take two class histograms, like as described above; Then compare the class histograms and see the classes that are increasing. See if you can relate the Java classes to your application classes. This will give a pretty good hint. Here is a pythons script that can help you compare two jmap histogram dumps. histogramparser.py
Finally tools like JConolse and VisualVm are essential to see the memory growth over time, and see if there is a memory leak. Finally sometimes your problem may not be a memory leak , but high memory usage.For this enable GC logging;use a more advanced and new compacting GC like G1GC; and you can use jdk tools like jstat to see the GC behaviour live
jstat -gccause pid <optional time interval>
Other referecences to google for -jhat, jmap, Full GC, Humongous allocation, G1GC
Simple method to sending data using java script and ajex call.
First right your form like this
<form id="frm_details" method="post" name="frm_details">
<input id="email" name="email" placeholder="Your Email id" type="text" />
<button class="subscribe-box__btn" type="submit">Need Assistance</button>
</form>
javascript logic target on form id #frm_details after sumbit
$(function(){
$("#frm_details").on("submit", function(event) {
event.preventDefault();
var formData = {
'email': $('input[name=email]').val() //for get email
};
console.log(formData);
$.ajax({
url: "/tsmisc/api/subscribe-newsletter",
type: "post",
data: formData,
success: function(d) {
alert(d);
}
});
});
})
General
Request URL:https://test.abc
Request Method:POST
Status Code:200
Remote Address:13.76.33.57:443
From Data
email:[email protected]
See example here: Input and Output binary streams using JERSEY?
Pseudo code would be something like this (there are a few other similar options in above mentioned post):
@Path("file/")
@GET
@Produces({"application/pdf"})
public StreamingOutput getFileContent() throws Exception {
public void write(OutputStream output) throws IOException, WebApplicationException {
try {
//
// 1. Get Stream to file from first server
//
while(<read stream from first server>) {
output.write(<bytes read from first server>)
}
} catch (Exception e) {
throw new WebApplicationException(e);
} finally {
// close input stream
}
}
}
If you're using SWT, you might want to look at adding a MouseMoveListener as explained here.
You can do these in unix shell:
java -cp MyJar.jar:lib/* com.somepackage.subpackage.Main
You can do these in windows powershell:
java -cp "MyJar.jar;lib\*" com.somepackage.subpackage.Main
You will need the child to store the parents this variable. As the Parent is the only object that has access to it's this variable it will also need a function that places the this variable into the child's that variable, something like this.
var Parent = {
Child : {
that : {},
},
init : function(){
this.Child.that = this;
}
}
To test this out try to run this in Firefox's Scratchpad, it worked for me.
var Parent = {
data : "Parent Data",
Child : {
that : {},
data : "Child Data",
display : function(){
console.log(this.data);
console.log(this.that.data);
}
},
init : function(){
this.Child.that = this;
}
}
Parent.init();
Parent.Child.display();
I know the OP was asking about doing the export from the command line, but just in case this is helpful to anyone else out there...
You could just let Eclipse (plus one of the plugins discussed here) do the work for you.
Obviously, downloading Eclipse just for doing a single export is overkill, but if you are already using it for development, you can also do an svn export
simply from your IDE's context menu when browsing an SVN repository.
Advantages:
your fadeIn()
function calls the fadeOut()
function, which calls the fadeIn()
function again. the recursion is in the JS.
A word boundary can occur in one of three positions:
Word characters are alpha-numeric; a minus sign is not. Taken from Regex Tutorial.
Postgresql historically doesn't support procedural code at the command level - only within functions. However, in Postgresql 9, support has been added to execute an inline code block that effectively supports something like this, although the syntax is perhaps a bit odd, and there are many restrictions compared to what you can do with SQL Server. Notably, the inline code block can't return a result set, so can't be used for what you outline above.
In general, if you want to write some procedural code and have it return a result, you need to put it inside a function. For example:
CREATE OR REPLACE FUNCTION somefuncname() RETURNS int LANGUAGE plpgsql AS $$
DECLARE
one int;
two int;
BEGIN
one := 1;
two := 2;
RETURN one + two;
END
$$;
SELECT somefuncname();
The PostgreSQL wire protocol doesn't, as far as I know, allow for things like a command returning multiple result sets. So you can't simply map T-SQL batches or stored procedures to PostgreSQL functions.
The thing is that decimal numbers defaults to double. And since double doesn't fit into float you have to tell explicitely you intentionally define a float. So go with:
float b = 3.6f;
Assuming two decimal places on your percentages, the data type you use depends on how you plan to store your percentages. If you are going to store their fractional equivalent (e.g. 100.00% stored as 1.0000), I would store the data in a decimal(5,4)
data type with a CHECK
constraint that ensures that the values never exceed 1.0000 (assuming that is the cap) and never go below 0 (assuming that is the floor). If you are going to store their face value (e.g. 100.00% is stored as 100.00), then you should use decimal(5,2)
with an appropriate CHECK
constraint. Combined with a good column name, it makes it clear to other developers what the data is and how the data is stored in the column.
Yes you can do.
Syntax for CAST
:
CAST ( expression AS data_type [ ( length ) ] )
For example:
CAST(MyColumn AS Varchar(10))
CAST
in SELECT
Statement:
Select CAST(MyColumn AS Varchar(10)) AS MyColumn
FROM MyTable
See for more information CAST and CONVERT (Transact-SQL)
This is what the standard has to say about operator==
21.4.8.2 operator==
template<class charT, class traits, class Allocator> bool operator==(const basic_string<charT,traits,Allocator>& lhs, const basic_string<charT,traits,Allocator>& rhs) noexcept;
Returns: lhs.compare(rhs) == 0.
Seems like there isn't much of a difference!
shift
double click on Windows then type "unused", you will find an option Remove unused Resources
,
also
android {
buildTypes {
release {
minifyEnabled true
shrinkResources true
}
}
}
when you set these settings on, AS will automatically remove unused resources.
You're performing an integer division. Append a .0
to the number literals:
per=float(tota)*(100.0/500.0)
In Python 2.7 the division 100/500==0
.
As pointed out by @unwind, the float()
call is superfluous since a multiplication/division by a float returns a float:
per= tota*100.0 / 500
git log origin/master..master
or, more generally:
git log <since>..<until>
You can use this with grep to check for a specific, known commit:
git log <since>..<until> | grep <commit-hash>
Or you can also use git-rev-list to search for a specific commit:
git rev-list origin/master | grep <commit-hash>
I was struggling for a while with this problem. Some of the solutions worked however some of my views where still being pushed up while others weren't... So it didn't completely solve my problem. In the end, what did the job was adding the following line of code to my manifest in the activity tag...
android:windowSoftInputMode="stateHidden|adjustPan|adjustResize"
Good luck
The accepted answer offers a solution which requires changing of the underlying data frame. This is not necessary. One can also simply factorise within the aes()
call directly or create a vector for that instead.
This is certainly not much different than user Drew Steen's answer, but with the important difference of not changing the original data frame.
level_order <- c('virginica', 'versicolor', 'setosa') #this vector might be useful for other plots/analyses
ggplot(iris, aes(x = factor(Species, level = level_order), y = Petal.Width)) + geom_col()
or
level_order <- factor(iris$Species, level = c('virginica', 'versicolor', 'setosa'))
ggplot(iris, aes(x = level_order, y = Petal.Width)) + geom_col()
or
directly in the aes()
call without a pre-created vector:
ggplot(iris, aes(x = factor(Species, level = c('virginica', 'versicolor', 'setosa')), y = Petal.Width)) + geom_col()
i got the same problem and i notice that my security config has diferent TAGS like the @Xenolion answer says
<network-security-config>
<domain-config cleartextTrafficPermitted="true">
<domain includeSubdomains="true">localhost</domain>
</domain-config>
</network-security-config>
so i change the TAGS "domain-config" for "base-config" and works, like this:
<network-security-config>
<base-config cleartextTrafficPermitted="true">
<domain includeSubdomains="true">localhost</domain>
</base-config>
</network-security-config>
public static Random rand = new Random(); // this happens once, and will be great at preventing duplicates
Note, this is not to be used for cryptographic purposes.
this is the updated answer for WAMP v3.0.6
UPDATE mysql.user
SET authentication_string=PASSWORD('MyNewPass')
WHERE user='root';
FLUSH PRIVILEGES;
If it is simple application then getSystemResourceAsStream can also be used.
try (InputStream inputStream = ClassLoader.getSystemResourceAsStream("config.properties"))..
quite late but it's the first hit i found from google
Instead of using the current directory or getting the assembly, just use the Application.ExecutablePath
property:
//using System.IO;
string applicationDirectory = Path.GetDirectoryName(Application.ExecutablePath);
string myFile = Path.Combine(applicationDirectory, "Sample.html");
webMain.Url = new Uri("file:///" + myFile);
It seems like these would be good to have because (I assume) if you could specify the number you're typing in is a short then java wouldn't have to cast it
Since the parsing of literals happens at compile time, this is absolutely irrelevant in regard to performance. The only reason having short
and byte
suffixes would be nice is that it lead to more compact code.
You will get selected option's value and text from list/array by using filter.
editobj.FlagName=(EmployeeStatus|filter:{Value:editobj.Flag})[0].KeyName
<select name="statusSelect"
id="statusSelect"
class="form-control"
ng-model="editobj.Flag"
ng-options="option.Value as option.KeyName for option in EmployeeStatus"
ng-change="editobj.FlagName=(EmployeeStatus|filter:{Value:editobj.Flag})[0].KeyName">
</select>
First of all,
Try to check your SDK folder, for me, it was mydocuments/appdata/sdk.... etc. So basically my sdk folder was not fully downloaded, the source of this problem mainly. You have to either use another fully downloaded android sdk(including Tools section and extras that you really need) or use the eclipse sdk that you may downloaded earlier for your Eclipse android developments. Then build->clean your project once again.
Worth to try.
Adding alternative base R approach, which remains fast under various cases.
rowsummean <- function(df) {
rowsum(df$speed, df$dive) / tabulate(df$dive)
}
Borrowing the benchmarks from @Ari:
10 rows, 2 groups
10 million rows, 10 groups
10 million rows, 1000 groups
The problem is that button1 is a local variable. You could do it by just change the way you add the actionListener.
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e)
{
//button is pressed
System.out.println("You clicked the button");
}});
Or you make button1
a global variable.
I find it can be annoying and error prone to do a lot of these .stat.exists
type checks. For example they require extra care to get check mode (--check
) working.
Many answers here suggest
However, sometimes this is a code smell so always look for better ways to use Ansible, specifically there are many advantages to using the correct module. e.g.
- name: install ntpdate
package:
name: ntpdate
or
- file:
path: /etc/file.txt
owner: root
group: root
mode: 0644
But when it is not possible use one module, also investigate if you can register and check the result of a previous task. e.g.
# jmeter_version: 4.0
- name: Download Jmeter archive
get_url:
url: "http://archive.apache.org/dist/jmeter/binaries/apache-jmeter-{{ jmeter_version }}.tgz"
dest: "/opt/jmeter/apache-jmeter-{{ jmeter_version }}.tgz"
checksum: sha512:eee7d68bd1f7e7b269fabaf8f09821697165518b112a979a25c5f128c4de8ca6ad12d3b20cd9380a2b53ca52762b4c4979e564a8c2ff37196692fbd217f1e343
register: download_result
- name: Extract apache-jmeter
unarchive:
src: "/opt/jmeter/apache-jmeter-{{ jmeter_version }}.tgz"
dest: "/opt/jmeter/"
remote_src: yes
creates: "/opt/jmeter/apache-jmeter-{{ jmeter_version }}"
when: download_result.state == 'file'
Note the when:
but also the creates:
so --check
doesn't error out
I mention this because often these less-than-ideal practices come in pairs i.e. no apt/yum package so we have to 1) download and 2) unzip
Hope this helps
You had selected the time format wrong
<?php
date_default_timezone_set('GMT');
echo date("Y-m-d,h:m:s");
?>
A HTTP multipart request is a HTTP request that HTTP clients construct to send files and data over to a HTTP Server. It is commonly used by browsers and HTTP clients to upload files to the server.
Also add local account + rename computer at prompt + join to domain at promt
#Set A local admin account
$computername = $env:computername # place computername here for remote access
$username = 'localadmin'
$password = 'P@ssw0rd1'
$desc = 'Local admin account'
$computer = [ADSI]"WinNT://$computername,computer"
$user = $computer.Create("user", $username)
$user.SetPassword($password)
$user.Setinfo()
$user.description = $desc
$user.setinfo()
$user.UserFlags = 65536
$user.SetInfo()
$group = [ADSI]("WinNT://$computername/administrators,group")
$group.add("WinNT://$username,user")
# Set computer name
$computerName = Get-WmiObject Win32_ComputerSystem
[System.Reflection.Assembly]::LoadWithPartialName('Microsoft.VisualBasic') | Out-Null
$name = [Microsoft.VisualBasic.Interaction]::InputBox("Enter Desired Computer Name ")
$computername.rename("$name")
#Now Join to Domain
Add-Computer -DomainName [domainname] -Credential [user\domain] -Verbose
Restart-Computer
Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTRACT.
You can make them 1024 x 768. You can also check "Status bar is initially hidden" in the plist file.
You can also use @ComponentScans annotation:
@ComponentScans(value = { @ComponentScan("com.my.package.first"),
@ComponentScan("com.my.package.second") })
__all__
affects how from foo import *
works.
Code that is inside a module body (but not in the body of a function or class) may use an asterisk (*
) in a from
statement:
from foo import *
The *
requests that all attributes of module foo
(except those beginning with underscores) be bound as global variables in the importing module. When foo
has an attribute __all__
, the attribute's value is the list of the names that are bound by this type of from
statement.
If foo
is a package and its __init__.py
defines a list named __all__
, it is taken to be the list of submodule names that should be imported when from foo import *
is encountered. If __all__
is not defined, the statement from foo import *
imports whatever names are defined in the package. This includes any names defined (and submodules explicitly loaded) by __init__.py
.
Note that __all__
doesn't have to be a list. As per the documentation on the import
statement, if defined, __all__
must be a sequence of strings which are names defined or imported by the module. So you may as well use a tuple to save some memory and CPU cycles. Just don't forget a comma in case the module defines a single public name:
__all__ = ('some_name',)
See also Why is “import *” bad?
Java doesn't have associative arrays, the closest thing you can get is the Map interface
Here's a sample from that page.
import java.util.*;
public class Freq {
public static void main(String[] args) {
Map<String, Integer> m = new HashMap<String, Integer>();
// Initialize frequency table from command line
for (String a : args) {
Integer freq = m.get(a);
m.put(a, (freq == null) ? 1 : freq + 1);
}
System.out.println(m.size() + " distinct words:");
System.out.println(m);
}
}
If run with:
java Freq if it is to be it is up to me to delegate
You'll get:
8 distinct words:
{to=3, delegate=1, be=1, it=2, up=1, if=1, me=1, is=2}
if(typeof theObject['key'] != 'undefined'){
//key exists, do stuff
}
//or
if(typeof theObject.key != 'undefined'){
//object exists, do stuff
}
I'm writing here because no one seems to give the right answer..
I know it's old...
Somebody might question the same thing..
Parse Querystring into a NameValueCollection. Remove an item. And use the toString to convert it back to a querystring.
using System.Collections.Specialized;
NameValueCollection filteredQueryString = System.Web.HttpUtility.ParseQueryString(Request.QueryString.ToString());
filteredQueryString.Remove("appKey");
var queryString = '?'+ filteredQueryString.ToString();
I am using the (limited) Expression builder for a Variable for use in a simple File System Task to make an archive of a file in SSIS.
This is my quick and dirty hack to remove the colons to stop the error: @[User::LocalFile] + "-" + REPLACE((DT_STR, 30, 1252) GETDATE(), ":", "-") + ".xml"
i basically suggest equal gap on right and left, and setting width to auto. Here like:
.bmi { /*my additional class name -for card*/
margin-left: 18%;
margin-right: 18%;
width: auto;
}
You could parse the output from the GPRESULT command.
I know this is an old post, but I wanted to add something for posterity. The simple way of handling the issue that you have is to make another table, of value to key.
ie. you have 2 tables that have the same value, one pointing one direction, one pointing the other.
function addValue(key, value)
if (value == nil) then
removeKey(key)
return
end
_primaryTable[key] = value
_secodaryTable[value] = key
end
function removeKey(key)
local value = _primaryTable[key]
if (value == nil) then
return
end
_primaryTable[key] = nil
_secondaryTable[value] = nil
end
function getValue(key)
return _primaryTable[key]
end
function containsValue(value)
return _secondaryTable[value] ~= nil
end
You can then query the new table to see if it has the key 'element'. This prevents the need to iterate through every value of the other table.
If it turns out that you can't actually use the 'element' as a key, because it's not a string for example, then add a checksum or tostring
on it for example, and then use that as the key.
Why do you want to do this? If your tables are very large, the amount of time to iterate through every element will be significant, preventing you from doing it very often. The additional memory overhead will be relatively small, as it will be storing 2 pointers to the same object, rather than 2 copies of the same object. If your tables are very small, then it will matter much less, infact it may even be faster to iterate than to have another map lookup.
The wording of the question however strongly suggests that you have a large number of items to deal with.
The results of the test and source code are below (you can set the number of iterations in the app). The time is in milliseconds, and each entry is an average result of running the test 5-10 times. I found that generally it is accurate to 2-3 significant digits and after that it would vary with each run. That gives a margin of error of less than 1%. The test was running on an iPhone 3G as that's the target platform I was interested in.
numberOfItems NSArray (ms) C Array (ms) Ratio
100 0.39 0.0025 156
191 0.61 0.0028 218
3,256 12.5 0.026 481
4,789 16 0.037 432
6,794 21 0.050 420
10,919 36 0.081 444
19,731 64 0.15 427
22,030 75 0.162 463
32,758 109 0.24 454
77,969 258 0.57 453
100,000 390 0.73 534
The classes provided by Cocoa for handling data sets (NSDictionary, NSArray, NSSet etc.) provide a very nice interface for managing information, without having to worry about the bureaucracy of memory management, reallocation etc. Of course this does come at a cost though. I think it's pretty obvious that say using an NSArray of NSNumbers is going to be slower than a C Array of floats for simple iterations, so I decided to do some tests, and the results were pretty shocking! I wasn't expecting it to be this bad. Note: these tests are conducted on an iPhone 3G as that's the target platform I was interested in.
In this test I do a very simple random access performance comparison between a C float* and NSArray of NSNumbers
I create a simple loop to sum up the contents of each array and time them using mach_absolute_time(). The NSMutableArray takes on average 400 times longer!! (not 400 percent, just 400 times longer! thats 40,000% longer!).
Header:
// Array_Speed_TestViewController.h
// Array Speed Test
// Created by Mehmet Akten on 05/02/2009.
// Copyright MSA Visuals Ltd. 2009. All rights reserved.
#import <UIKit/UIKit.h>
@interface Array_Speed_TestViewController : UIViewController {
int numberOfItems; // number of items in array
float *cArray; // normal c array
NSMutableArray *nsArray; // ns array
double machTimerMillisMult; // multiplier to convert mach_absolute_time() to milliseconds
IBOutlet UISlider *sliderCount;
IBOutlet UILabel *labelCount;
IBOutlet UILabel *labelResults;
}
-(IBAction) doNSArray:(id)sender;
-(IBAction) doCArray:(id)sender;
-(IBAction) sliderChanged:(id)sender;
@end
Implementation:
// Array_Speed_TestViewController.m
// Array Speed Test
// Created by Mehmet Akten on 05/02/2009.
// Copyright MSA Visuals Ltd. 2009. All rights reserved.
#import "Array_Speed_TestViewController.h"
#include <mach/mach.h>
#include <mach/mach_time.h>
@implementation Array_Speed_TestViewController
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
NSLog(@"viewDidLoad");
[super viewDidLoad];
cArray = NULL;
nsArray = NULL;
// read initial slider value setup accordingly
[self sliderChanged:sliderCount];
// get mach timer unit size and calculater millisecond factor
mach_timebase_info_data_t info;
mach_timebase_info(&info);
machTimerMillisMult = (double)info.numer / ((double)info.denom * 1000000.0);
NSLog(@"machTimerMillisMult = %f", machTimerMillisMult);
}
// pass in results of mach_absolute_time()
// this converts to milliseconds and outputs to the label
-(void)displayResult:(uint64_t)duration {
double millis = duration * machTimerMillisMult;
NSLog(@"displayResult: %f milliseconds", millis);
NSString *str = [[NSString alloc] initWithFormat:@"%f milliseconds", millis];
[labelResults setText:str];
[str release];
}
// process using NSArray
-(IBAction) doNSArray:(id)sender {
NSLog(@"doNSArray: %@", sender);
uint64_t startTime = mach_absolute_time();
float total = 0;
for(int i=0; i<numberOfItems; i++) {
total += [[nsArray objectAtIndex:i] floatValue];
}
[self displayResult:mach_absolute_time() - startTime];
}
// process using C Array
-(IBAction) doCArray:(id)sender {
NSLog(@"doCArray: %@", sender);
uint64_t start = mach_absolute_time();
float total = 0;
for(int i=0; i<numberOfItems; i++) {
total += cArray[i];
}
[self displayResult:mach_absolute_time() - start];
}
// allocate NSArray and C Array
-(void) allocateArrays {
NSLog(@"allocateArrays");
// allocate c array
if(cArray) delete cArray;
cArray = new float[numberOfItems];
// allocate NSArray
[nsArray release];
nsArray = [[NSMutableArray alloc] initWithCapacity:numberOfItems];
// fill with random values
for(int i=0; i<numberOfItems; i++) {
// add number to c array
cArray[i] = random() * 1.0f/(RAND_MAX+1);
// add number to NSArray
NSNumber *number = [[NSNumber alloc] initWithFloat:cArray[i]];
[nsArray addObject:number];
[number release];
}
}
// callback for when slider is changed
-(IBAction) sliderChanged:(id)sender {
numberOfItems = sliderCount.value;
NSLog(@"sliderChanged: %@, %i", sender, numberOfItems);
NSString *str = [[NSString alloc] initWithFormat:@"%i items", numberOfItems];
[labelCount setText:str];
[str release];
[self allocateArrays];
}
//cleanup
- (void)dealloc {
[nsArray release];
if(cArray) delete cArray;
[super dealloc];
}
@end
From : memo.tv
////////////////////
Available since the introduction of blocks, this allows to iterate an array with blocks. Its syntax isn't as nice as fast enumeration, but there is one very interesting feature: concurrent enumeration. If enumeration order is not important and the jobs can be done in parallel without locking, this can provide a considerable speedup on a multi-core system. More about that in the concurrent enumeration section.
[myArray enumerateObjectsUsingBlock:^(id object, NSUInteger index, BOOL *stop) {
[self doSomethingWith:object];
}];
[myArray enumerateObjectsWithOptions:NSEnumerationConcurrent usingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
[self doSomethingWith:object];
}];
/////////// NSFastEnumerator
The idea behind fast enumeration is to use fast C array access to optimize iteration. Not only is it supposed to be faster than traditional NSEnumerator, but Objective-C 2.0 also provides a very concise syntax.
id object;
for (object in myArray) {
[self doSomethingWith:object];
}
/////////////////
NSEnumerator
This is a form of external iteration: [myArray objectEnumerator] returns an object. This object has a method nextObject that we can call in a loop until it returns nil
NSEnumerator *enumerator = [myArray objectEnumerator];
id object;
while (object = [enumerator nextObject]) {
[self doSomethingWith:object];
}
/////////////////
objectAtIndex: enumeration
Using a for loop which increases an integer and querying the object using [myArray objectAtIndex:index] is the most basic form of enumeration.
NSUInteger count = [myArray count];
for (NSUInteger index = 0; index < count ; index++) {
[self doSomethingWith:[myArray objectAtIndex:index]];
}
////////////// From : darkdust.net
RouteParams are now deprecated , So here is how to do it in the new router.
this.router.navigate(['/login'],{ queryParams: { token:'1234'}})
And then in the login component you can take the parameter,
constructor(private route: ActivatedRoute) {}
ngOnInit() {
// Capture the token if available
this.sessionId = this.route.queryParams['token']
}
Here is the documentation
EOF
is a constant in C. You are not checking the actual file for EOF. You need to do something like this
while(!feof(stdin))
Here is the documentation to feof. You can also check the return value of scanf. It returns the number of successfully converted items, or EOF
if it reaches the end of the file.
This appears to be a UTF-8 encoding issue that may have been caused by a double-UTF8-encoding of the database file contents.
This situation could happen due to factors such as the character set that was or was not selected (for instance when a database backup file was created) and the file format and encoding database file was saved with.
I have seen these strange UTF-8 characters in the following scenario (the description may not be entirely accurate as I no longer have access to the database in question):
Looking into the file contents:
So, the issue is that "false" (UTF8-encoded twice) utf-8 needs to be converted back into "correct" utf-8 (only UTF8-encoded once).
Trying to fix this in PHP turns out to be a bit challenging:
utf8_decode() is not able to process the characters.
// Fails silently (as in - nothing is output)
$str = "så";
$str = utf8_decode($str);
printf("\n%s", $str);
$str = utf8_decode($str);
printf("\n%s", $str);
iconv() fails with "Notice: iconv(): Detected an illegal character in input string".
echo iconv("UTF-8", "ISO-8859-1", "så");
Another fine and possible solution fails silently too in this scenario
$str = "så";
echo html_entity_decode(htmlentities($str, ENT_QUOTES, 'UTF-8'), ENT_QUOTES , 'ISO-8859-15');
mb_convert_encoding() silently: #
$str = "så";
echo mb_convert_encoding($str, 'ISO-8859-15', 'UTF-8');
// (No output)
Trying to fix the encoding in MySQL by converting the MySQL database characterset and collation to UTF-8 was unsuccessfully:
ALTER DATABASE myDatabase CHARACTER SET utf8 COLLATE utf8_unicode_ci;
ALTER TABLE myTable CONVERT TO CHARACTER SET utf8 COLLATE utf8_unicode_ci;
I see a couple of ways to resolve this issue.
The first is to make a backup with correct encoding (the encoding needs to match the actual database and table encoding). You can verify the encoding by simply opening the resulting SQL file in a text editor.
The other is to replace double-UTF8-encoded characters with single-UTF8-encoded characters. This can be done manually in a text editor. To assist in this process, you can manually pick incorrect characters from Try UTF-8 Encoding Debugging Chart (it may be a matter of replacing 5-10 errors).
Finally, a script can assist in the process:
$str = "så";
// The two arrays can also be generated by double-encoding values in the first array and single-encoding values in the second array.
$str = str_replace(["Ã","Â¥"], ["Ã","¥"], $str);
$str = utf8_decode($str);
echo $str;
// Output: "så" (correct)
What browser are you using?
alert(typeof document.getElementById('myform').onsubmit);
This gives me "function
" in IE7 and FireFox.
A short and sweet solution, using ES6:
document.querySelectorAll('.input')
.forEach(input => input.addEventListener('focus', this.onInputFocus));
Following the useful comments, I've completely rebuilt the date formatter. Usage is supposed to:
If you consider this code useful, I may publish the source and a JAR in github.
// The problem - not UTC
Date.toString()
"Tue Jul 03 14:54:24 IDT 2012"
// ISO format, now
PrettyDate.now()
"2012-07-03T11:54:24.256 UTC"
// ISO format, specific date
PrettyDate.toString(new Date())
"2012-07-03T11:54:24.256 UTC"
// Legacy format, specific date
PrettyDate.toLegacyString(new Date())
"Tue Jul 03 11:54:24 UTC 2012"
// ISO, specific date and time zone
PrettyDate.toString(moonLandingDate, "yyyy-MM-dd hh:mm:ss zzz", "CST")
"1969-07-20 03:17:40 CDT"
// Specific format and date
PrettyDate.toString(moonLandingDate, "yyyy-MM-dd")
"1969-07-20"
// ISO, specific date
PrettyDate.toString(moonLandingDate)
"1969-07-20T20:17:40.234 UTC"
// Legacy, specific date
PrettyDate.toLegacyString(moonLandingDate)
"Wed Jul 20 08:17:40 UTC 1969"
(This code is also the subject of a question on Code Review stackexchange)
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
/**
* Formats dates to sortable UTC strings in compliance with ISO-8601.
*
* @author Adam Matan <[email protected]>
* @see http://stackoverflow.com/questions/11294307/convert-java-date-to-utc-string/11294308
*/
public class PrettyDate {
public static String ISO_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSS zzz";
public static String LEGACY_FORMAT = "EEE MMM dd hh:mm:ss zzz yyyy";
private static final TimeZone utc = TimeZone.getTimeZone("UTC");
private static final SimpleDateFormat legacyFormatter = new SimpleDateFormat(LEGACY_FORMAT);
private static final SimpleDateFormat isoFormatter = new SimpleDateFormat(ISO_FORMAT);
static {
legacyFormatter.setTimeZone(utc);
isoFormatter.setTimeZone(utc);
}
/**
* Formats the current time in a sortable ISO-8601 UTC format.
*
* @return Current time in ISO-8601 format, e.g. :
* "2012-07-03T07:59:09.206 UTC"
*/
public static String now() {
return PrettyDate.toString(new Date());
}
/**
* Formats a given date in a sortable ISO-8601 UTC format.
*
* <pre>
* <code>
* final Calendar moonLandingCalendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
* moonLandingCalendar.set(1969, 7, 20, 20, 18, 0);
* final Date moonLandingDate = moonLandingCalendar.getTime();
* System.out.println("UTCDate.toString moon: " + PrettyDate.toString(moonLandingDate));
* >>> UTCDate.toString moon: 1969-08-20T20:18:00.209 UTC
* </code>
* </pre>
*
* @param date
* Valid Date object.
* @return The given date in ISO-8601 format.
*
*/
public static String toString(final Date date) {
return isoFormatter.format(date);
}
/**
* Formats a given date in the standard Java Date.toString(), using UTC
* instead of locale time zone.
*
* <pre>
* <code>
* System.out.println(UTCDate.toLegacyString(new Date()));
* >>> "Tue Jul 03 07:33:57 UTC 2012"
* </code>
* </pre>
*
* @param date
* Valid Date object.
* @return The given date in Legacy Date.toString() format, e.g.
* "Tue Jul 03 09:34:17 IDT 2012"
*/
public static String toLegacyString(final Date date) {
return legacyFormatter.format(date);
}
/**
* Formats a date in any given format at UTC.
*
* <pre>
* <code>
* final Calendar moonLandingCalendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
* moonLandingCalendar.set(1969, 7, 20, 20, 17, 40);
* final Date moonLandingDate = moonLandingCalendar.getTime();
* PrettyDate.toString(moonLandingDate, "yyyy-MM-dd")
* >>> "1969-08-20"
* </code>
* </pre>
*
*
* @param date
* Valid Date object.
* @param format
* String representation of the format, e.g. "yyyy-MM-dd"
* @return The given date formatted in the given format.
*/
public static String toString(final Date date, final String format) {
return toString(date, format, "UTC");
}
/**
* Formats a date at any given format String, at any given Timezone String.
*
*
* @param date
* Valid Date object
* @param format
* String representation of the format, e.g. "yyyy-MM-dd HH:mm"
* @param timezone
* String representation of the time zone, e.g. "CST"
* @return The formatted date in the given time zone.
*/
public static String toString(final Date date, final String format, final String timezone) {
final TimeZone tz = TimeZone.getTimeZone(timezone);
final SimpleDateFormat formatter = new SimpleDateFormat(format);
formatter.setTimeZone(tz);
return formatter.format(date);
}
}
var vid = "bpt84ceWAY0",_x000D_
audio_streams = {},_x000D_
audio_tag = document.getElementById('youtube');_x000D_
_x000D_
fetch("https://"+vid+"-focus-opensocial.googleusercontent.com/gadgets/proxy?container=none&url=https%3A%2F%2Fwww.youtube.com%2Fget_video_info%3Fvideo_id%3D" + vid).then(response => {_x000D_
if (response.ok) {_x000D_
response.text().then(data => {_x000D_
_x000D_
var data = parse_str(data),_x000D_
streams = (data.url_encoded_fmt_stream_map + ',' + data.adaptive_fmts).split(',');_x000D_
_x000D_
streams.forEach(function(s, n) {_x000D_
var stream = parse_str(s),_x000D_
itag = stream.itag * 1,_x000D_
quality = false;_x000D_
console.log(stream);_x000D_
switch (itag) {_x000D_
case 139:_x000D_
quality = "48kbps";_x000D_
break;_x000D_
case 140:_x000D_
quality = "128kbps";_x000D_
break;_x000D_
case 141:_x000D_
quality = "256kbps";_x000D_
break;_x000D_
}_x000D_
if (quality) audio_streams[quality] = stream.url;_x000D_
});_x000D_
_x000D_
console.log(audio_streams);_x000D_
_x000D_
audio_tag.src = audio_streams['128kbps'];_x000D_
audio_tag.play();_x000D_
})_x000D_
}_x000D_
});_x000D_
_x000D_
function parse_str(str) {_x000D_
return str.split('&').reduce(function(params, param) {_x000D_
var paramSplit = param.split('=').map(function(value) {_x000D_
return decodeURIComponent(value.replace('+', ' '));_x000D_
});_x000D_
params[paramSplit[0]] = paramSplit[1];_x000D_
return params;_x000D_
}, {});_x000D_
}
_x000D_
<audio id="youtube" autoplay controls loop></audio>
_x000D_
I added a \n in the middle of my string and it looked okay.
You could just use ArrayList
which does the job for you.
I think you want this:
select *
from dbo.table
where DATALENGTH(column_name) = 3
There are a couple ways to do this.
First, instead of going into openssl command prompt mode, just enter everything on one command line from the Windows prompt:
E:\> openssl x509 -pubkey -noout -in cert.pem > pubkey.pem
If for some reason, you have to use the openssl command prompt, just enter everything up to the ">". Then OpenSSL will print out the public key info to the screen. You can then copy this and paste it into a file called pubkey.pem.
openssl> x509 -pubkey -noout -in cert.pem
Output will look something like this:
-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAryQICCl6NZ5gDKrnSztO
3Hy8PEUcuyvg/ikC+VcIo2SFFSf18a3IMYldIugqqqZCs4/4uVW3sbdLs/6PfgdX
7O9D22ZiFWHPYA2k2N744MNiCD1UE+tJyllUhSblK48bn+v1oZHCM0nYQ2NqUkvS
j+hwUU3RiWl7x3D2s9wSdNt7XUtW05a/FXehsPSiJfKvHJJnGOX0BgTvkLnkAOTd
OrUZ/wK69Dzu4IvrN4vs9Nes8vbwPa/ddZEzGR0cQMt0JBkhk9kU/qwqUseP1QRJ
5I1jR4g8aYPL/ke9K35PxZWuDp3U0UPAZ3PjFAh+5T+fc7gzCs9dPzSHloruU+gl
FQIDAQAB
-----END PUBLIC KEY-----
Try to delete the import line import com.your.package.name.app.R
, then, any resource calls such as mView= (View) mView.findViewById(R.id.resource_name);
will highlight the 'R' with an error, a 'Quick fix' will prompt you to import R, and there will be at least two options:
Select the R corresponding to your package name, and you should be good to go. Hope that helps.
Use a packet analyzer to intercept the packets to/from somewhere.com
. Studying those packets should tell you what is going on.
Time-outs or connections refused could mean that the remote host is too busy.
Well, there's nothing really that can pass through that, other than %
wildcard. It could be dangerous if you were using LIKE
statement as attacker could put just %
as login if you don't filter that out, and would have to just bruteforce a password of any of your users.
People often suggest using prepared statements to make it 100% safe, as data can't interfere with the query itself that way.
But for such simple queries it probably would be more efficient to do something like $login = preg_replace('/[^a-zA-Z0-9_]/', '', $login);
Simple: you can't.
Simple setTimeout(()=>{this.setState({loaded: true})}, 1000);
use this for timeout.
$(document).ready(function(){
var response = '';
$.ajax({ type: "GET",
url: "Records.php",
async: false,
success : function(text)
{
response = text;
}
});
alert(response);
});
needs to be:
$(document).ready(function(){
$.ajax({ type: "GET",
url: "Records.php",
async: false,
success : function(text)
{
alert(text);
}
});
});
Use the INTERVAL
type to it. E.g:
--yesterday
SELECT NOW() - INTERVAL '1 DAY';
--Unrelated to the question, but PostgreSQL also supports some shortcuts:
SELECT 'yesterday'::TIMESTAMP, 'tomorrow'::TIMESTAMP, 'allballs'::TIME;
Then you can do the following on your query:
SELECT
org_id,
count(accounts) AS COUNT,
((date_at) - INTERVAL '1 DAY') AS dateat
FROM
sourcetable
WHERE
date_at <= now() - INTERVAL '130 DAYS'
GROUP BY
org_id,
dateat;
You can append multiple operands. E.g.: how to get last day of current month?
SELECT date_trunc('MONTH', CURRENT_DATE) + INTERVAL '1 MONTH - 1 DAY';
You can also create an interval using make_interval
function, useful when you need to create it at runtime (not using literals):
SELECT make_interval(days => 10 + 2);
SELECT make_interval(days => 1, hours => 2);
SELECT make_interval(0, 1, 0, 5, 0, 0, 0.0);
If you are using jupiter and none of the answers work, consider verifying it is setup correctly:
test {
useJUnitPlatform()
outputs.upToDateWhen { false }
}
dependencies {
testImplementation 'org.junit.jupiter:junit-jupiter-api:5.7.0'
testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.7.0'
}
And then try the accepted answers
Mymodel.objects.filter(date_time_field__contains=datetime.date(1986, 7, 28))
the above is what I've used. Not only does it work, it also has some inherent logical backing.
Did you import it? Importing matplotlib
is not enough.
>>> import matplotlib
>>> matplotlib.pyplot
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute 'pyplot'
but
>>> import matplotlib.pyplot
>>> matplotlib.pyplot
works.
pyplot is a submodule of matplotlib and not immediately imported when you import matplotlib.
The most common form of importing pyplot is
import matplotlib.pyplot as plt
Thus, your statements won't be too long, e.g.
plt.plot([1,2,3,4,5])
instead of
matplotlib.pyplot.plot([1,2,3,4,5])
And: pyplot
is not a function, it's a module! So don't call it, use the functions defined inside this module instead. See my example above
This is one way to do it (in Python 3.x):
escaped = a_string.translate(str.maketrans({"-": r"\-",
"]": r"\]",
"\\": r"\\",
"^": r"\^",
"$": r"\$",
"*": r"\*",
".": r"\."}))
For reference, for escaping strings to use in regex:
import re
escaped = re.escape(a_string)
As rightly said by previous posts, one of way is to implement a custom basic authentication middleware. I found the best working code with explanation in this blog: Basic Auth with custom middleware
I referred the same blog but had to do 2 adaptations:
While reading the username, password from appsettings.json file, add static read only property in Startup file. Then read from appsettings.json. Finally, read the values from anywhere in the project. Example:
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
public static string UserNameFromAppSettings { get; private set; }
public static string PasswordFromAppSettings { get; private set; }
//set username and password from appsettings.json
UserNameFromAppSettings = Configuration.GetSection("BasicAuth").GetSection("UserName").Value;
PasswordFromAppSettings = Configuration.GetSection("BasicAuth").GetSection("Password").Value;
}
static void Main()
{
string input = "OneTwoThree";
//Get last 5 characters
string sub = input.Substring(6);
Console.WriteLine("Substring: {0}", sub); // Output Three.
}
Substring(0, 3)
- Returns substring of first 3 chars. //One
Substring(3, 3)
- Returns substring of second 3 chars. //Two
Substring(6)
- Returns substring of all chars after first 6. //Three
What you might like to do is look up CSS grid based layouts. This layout method involves specifying some CSS classes to align the page contents to a grid structure. It's more closely related to print-bsed layout than web-based, but it's a technique used on a lot of websites to layout the content into a structure without having to resort to tables.
Try this for starters from Smashing Magazine.
As with many tasks in ggplot, the general strategy is to put what you'd like to add to the plot into a data frame in a way such that the variables match up with the variables and aesthetics in your plot. So for example, you'd create a new data frame like this:
dfTab <- as.data.frame(table(df))
colnames(dfTab)[1] <- "x"
dfTab$lab <- as.character(100 * dfTab$Freq / sum(dfTab$Freq))
So that the x
variable matches the corresponding variable in df
, and so on. Then you simply include it using geom_text
:
ggplot(df) + geom_bar(aes(x,fill=x)) +
geom_text(data=dfTab,aes(x=x,y=Freq,label=lab),vjust=0) +
opts(axis.text.x=theme_blank(),axis.ticks=theme_blank(),
axis.title.x=theme_blank(),legend.title=theme_blank(),
axis.title.y=theme_blank())
This example will plot just the percentages, but you can paste
together the counts as well via something like this:
dfTab$lab <- paste(dfTab$Freq,paste("(",dfTab$lab,"%)",sep=""),sep=" ")
Note that in the current version of ggplot2, opts
is deprecated, so we would use theme
and element_blank
now.
I think this is the kind of question only a core developer could/should answer. I've researched and found the core ticket #17048: URLs delivered to the browser should be root-relative. Where we can find the reasons explained by Andrew Nacin, lead core developer. He also links to this [wp-hackers] thread. On both those links, these are the key quotes on why WP doesn't use relative URLs:
Core ticket:
Root-relative URLs aren't really proper.
/path/
might not be WordPress, it might be outside of the install. So really it's not much different than an absolute URL.Any relative URLs also make it significantly more difficult to perform transformations when the install is moved. The find-replace is going to be necessary in most situations, and having an absolute URL is ironically more portable for those reasons.
absolute URLs are needed in numerous other places. Needing to add these in conditionally will add to processing, as well as introduce potential bugs (and incompatibilities with plugins).
[wp-hackers] thread
Relative to what, I'm not sure, as WordPress is often in a subdirectory, which means we'll always need to process the content to then add in the rest of the path. This introduces overhead.
Keep in mind that there are two types of relative URLs, with and without the leading slash. Both have caveats that make this impossible to properly implement.
WordPress should (and does) store absolute URLs. This requires no pre-processing of content, no overhead, no ambiguity. If you need to relocate, it is a global find-replace in the database.
And, on a personal note, more than once I've found theme and plugins bad coded that simply break when WP_CONTENT_URL
is defined.
They don't know this can be set and assume that this is true: WP.URL/wp-content/WhatEver, and it's not always the case. And something will break along the way.
The plugin Relative URLs (linked in edse's Answer), applies the function wp_make_link_relative
in a series of filters in the action hook template_redirect
. It's quite a simple code and seems a nice option.
Private Sub ComboBox4_KeyPress(sender As Object, e As KeyPressEventArgs) Handles ComboBox4.KeyPress
e.keyChar = string.empty
End Sub
The problem with your macro is that once you have opened your destination Workbook (xlw
in your code sample), it is set as the ActiveWorkbook object and you get an error because TextBox1 doesn't exist in that specific Workbook. To resolve this issue, you could define a reference object to your actual Workbook before opening the other one.
Sub UploadData()
Dim xlo As New Excel.Application
Dim xlw As New Excel.Workbook
Dim myWb as Excel.Workbook
Set myWb = ActiveWorkbook
Set xlw = xlo.Workbooks.Open("c:\myworkbook.xlsx")
xlo.Worksheets(1).Cells(2, 1) = myWb.ActiveSheet.Range("d4").Value
xlo.Worksheets(1).Cells(2, 2) = myWb.ActiveSheet.TextBox1.Text
xlw.Save
xlw.Close
Set xlo = Nothing
Set xlw = Nothing
End Sub
If you prefer, you could also use myWb.Activate
to put back your main Workbook as active. It will also work if you do it with a Worksheet object. Using one or another mostly depends on what you want to do (if there are multiple sheets, etc.).
Have you tried plugin called " Youtube Live Stream Auto Embed"
Its seems to be working. Check it once.
The :trimAll
subroutine below:
!
, %
, ^
, etc.)Read comments for references and info.
@echo off & setLocal enableExtensions disableDelayedExpansion
:: https://www.dostips.com/forum/viewtopic.php?t=4308
(call;) %= sets errorLevel to 0 =%
(set lf=^
%= BLANK LINE REQUIRED =%
)
:: kudos to Carlos for superior method of capturing CR
:: https://www.dostips.com/forum/viewtopic.php?p=40757#p40757
set "cr=" & if not defined cr for /f "skip=1" %%C in (
'echo(^|replace ? . /w /u'
) do set "cr=%%C"
set ^"orig= !random! ! ^^! ^^^^! ^"^^ ^&^"^& ^^^" %%os%% ^"
call :trimAll res1 orig
setLocal enableDelayedExpansion
call :trimAll res2 orig
echo(orig: [!orig!]
echo(res1: [!res1!]
echo(res2: [!res2!]
endLocal
endLocal & goto :EOF
:trimAll result= original=
:: trims leading and trailing whitespace from a string
:: special thanks to Jeb for
:: https://stackoverflow.com/a/8257951
setLocal
set "ddx=!" %= is delayed expansion enabled or disabled? =%
setLocal enableDelayedExpansion
set "die=" & if not defined %2 (
>&2 echo( ERROR: var "%2" not defined & set "die=1"
) else set "str=!%2!" %= if =%
if not defined die for %%L in ("!lf!") ^
do if "!str!" neq "!str:%%~L=!" (
>&2 echo( ERROR: var "%2" contains linefeeds & set "die=1"
) %= if =%
if not defined die for %%C in ("!cr!") ^
do if "!str!" neq "!str:%%~C=!" (
>&2 echo( ERROR: var "%2" contains carriage returns
set "die=1"
) %= if =%
if defined die goto die
(for /f eol^= %%A in ("!str!") do rem nop
) || (
>&2 echo(WARNING: var "%2" consists entirely of whitespace
endLocal & endLocal & set "%1=" & exit /b 0
) %= cond exec =%
:: prepare string for trimming...
:: double carets
set "str=!str:^=^^^^!"
:: double quotes
set "str=!str:"=""!"
:: escape exclaims
set "str=%str:!=^^^!%" !
:: act of CALLing subfunction with
:: expanded string trims trailing whitespace
call :_trimAll "%%str%%
:: prepare string to be passed over endLocal boundary...
:: double carets again if delayed expansion enabled
if not defined ddx set "str=!str:^=^^^^!"
:: escape exclaims again if delayed expansion enabled
if not defined ddx set "str=%str:!=^^^!%" !
:: restore quotes
set "str=!str:""="!"
:: pass string over endLocal boundary and trim leading whitespace
for /f tokens^=*^ eol^= %%a in ("!str!") do (
endLocal & endLocal & set "%1=%%a" !
) %= for /f =%
exit /b 0
:die
endLocal & endLocal & set "%1=" & exit /b 1
:_trimAll
:: subfunction
:: trailing exclaim is required as explained by Jeb at
:: https://www.dostips.com/forum/viewtopic.php?p=6933#p6933
set "str=%~1" !
exit /b 0
HTH and HNY! ;)
If you don't want line numbers shown all the time another way to find the line number of a piece of code is to just click in the left-most margin and create a breakpoint (a small blue arrow appears) then go to the breakpoint navigator (?7) where it will list the breakpoint with its line number. You can delete the breakpoint by right clicking on it.
This is a syntax issue, the jQuery library included with WordPress loads in "no conflict" mode. This is to prevent compatibility problems with other javascript libraries that WordPress can load. In "no-confict" mode, the $ shortcut is not available and the longer jQuery is used, i.e.
jQuery(document).ready(function ($) {
By including the $ in parenthesis after the function call you can then use this shortcut within the code block.
For full details see WordPress Codex
MySql does not have FULL-OUTER-JOIN syntax. You have to emulate by doing both LEFT JOIN and RIGHT JOIN as follows-
SELECT * FROM t1
LEFT JOIN t2 ON t1.id = t2.id
UNION
SELECT * FROM t1
RIGHT JOIN t2 ON t1.id = t2.id
But MySql also does not have a RIGHT JOIN syntax. According to MySql's outer join simplification, the right join is converted to the equivalent left join by switching the t1 and t2 in the FROM
and ON
clause in the query. Thus, the MySql Query Optimizer translates the original query into the following -
SELECT * FROM t1
LEFT JOIN t2 ON t1.id = t2.id
UNION
SELECT * FROM t2
LEFT JOIN t1 ON t2.id = t1.id
Now, there is no harm in writing the original query as is, but say if you have predicates like the WHERE clause, which is a before-join predicate or an AND predicate on the ON
clause, which is a during-join predicate, then you might want to take a look at the devil; which is in details.
MySql query optimizer routinely checks the predicates if they are null-rejected. Now, if you have done the RIGHT JOIN, but with WHERE predicate on the column from t1, then you might be at a risk of running into a null-rejected scenario.
For example, THe following query -
SELECT * FROM t1
LEFT JOIN t2 ON t1.id = t2.id
WHERE t1.col1 = 'someValue'
UNION
SELECT * FROM t1
RIGHT JOIN t2 ON t1.id = t2.id
WHERE t1.col1 = 'someValue'
gets translated to the following by the Query Optimizer-
SELECT * FROM t1
LEFT JOIN t2 ON t1.id = t2.id
WHERE t1.col1 = 'someValue'
UNION
SELECT * FROM t2
LEFT JOIN t1 ON t2.id = t1.id
WHERE t1.col1 = 'someValue'
So the order of tables has changed, but the predicate is still applied to t1, but t1 is now in the 'ON' clause. If t1.col1 is defined as NOT NULL
column, then this query will be null-rejected.
Any outer-join (left, right, full) that is null-rejected is converted to an inner-join by MySql.
Thus the results you might be expecting might be completely different from what the MySql is returning. You might think its a bug with MySql's RIGHT JOIN, but thats not right. Its just how the MySql query-optimizer works. So the developer-in-charge has to pay attention to these nuances when he is constructing the query.
Adding to ben.bourdin answer, you can at least in any HTML based application, check if the browser supports HLS in its video element:
Let´s assume that your video element ID is "myVideo", then through javascript you can use the "canPlayType" function (http://www.w3schools.com/tags/av_met_canplaytype.asp)
var videoElement = document.getElementById("myVideo");
if(videoElement.canPlayType('application/vnd.apple.mpegurl') === "probably" || videoElement.canPlayType('application/vnd.apple.mpegurl') === "maybe"){
//Actions like playing the .m3u8 content
}
else{
//Actions like playing another video type
}
The canPlayType function, returns:
"" when there is no support for the specified audio/video type
"maybe" when the browser might support the specified audio/video type
"probably" when it most likely supports the specified audio/video type (you can use just this value in the validation to be more sure that your browser supports the specified type)
Hope this help :)
Best regards!
This works when factor will always be positive:
int round_up(int num, int factor)
{
return num + factor - 1 - (num + factor - 1) % factor;
}
Edit: This returns round_up(0,100)=100
. Please see Paul's comment below for a solution that returns round_up(0,100)=0
.
Guessing from the information I have, you're not actually compiling the program, but trying to run it. That is, ALL_BUILD is set as your startup project. (It should be in a bold font, unlike the other projects in your solution) If you then try to run/debug, you will get the error you describe, because there is simply nothing to run.
The project is most likely generated via CMAKE and included in your Visual Studio solution. Set any of the projects that do generate a .exe as the startup project (by right-clicking on the project and selecting "set as startup project") and you will most likely will be able to start those from within Visual Studio.
@media print {_x000D_
.no-print {_x000D_
visibility: hidden;_x000D_
}_x000D_
}
_x000D_
<div class="no-print">_x000D_
Nope_x000D_
</div>_x000D_
_x000D_
<div>_x000D_
Yup_x000D_
</div>
_x000D_
The git-cache-meta
mentioned in SO question "git - how to recover the file permissions git thinks the file should be?" (and the git FAQ) is the more staightforward approach.
The idea is to store in a .git_cache_meta
file the permissions of the files and directories.
It is a separate file not versioned directly in the Git repo.
That is why the usage for it is:
$ git bundle create mybundle.bdl master; git-cache-meta --store
$ scp mybundle.bdl .git_cache_meta machine2:
#then on machine2:
$ git init; git pull mybundle.bdl master; git-cache-meta --apply
So you:
The initialization method easiest to remember is
vec = vector(,10); #the same as "vec = vector(length = 10);"
The values of vec are: "[1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE" (logical mode) by default.
But after setting a character value, like
vec[2] = 'abc'
vec becomes: "FALSE" "abc" "FALSE" "FALSE" "FALSE" "FALSE" "FALSE" "FALSE" "FALSE" "FALSE"", which is of the character mode.
RPC is C based, and as such it has structured programming semantics, on the other side, RMI is a Java based technology and it's object oriented.
With RPC you can just call remote functions exported into a server, in RMI you can have references to remote objects and invoke their methods, and also pass and return more remote object references that can be distributed among many JVM instances, so it's much more powerful.
RMI stands out when the need to develop something more complex than a pure client-server architecture arises. It's very easy to spread out objects over a network enabling all the clients to communicate without having to stablish individual connections explicitly.
Ruby has a few methods for changing the case of strings. To convert to lowercase, use downcase
:
"hello James!".downcase #=> "hello james!"
Similarly, upcase
capitalizes every letter and capitalize
capitalizes the first letter of the string but lowercases the rest:
"hello James!".upcase #=> "HELLO JAMES!"
"hello James!".capitalize #=> "Hello james!"
"hello James!".titleize #=> "Hello James!"
If you want to modify a string in place, you can add an exclamation point to any of those methods:
string = "hello James!"
string.downcase!
string #=> "hello james!"
Refer to the documentation for String for more information.
You might be able to use the CSS zoom
property - supported in IE 5.5+, Opera, and Safari 4, and Chrome
Firefox is the only major browser that does not support Zoom (bugzilla item here) but you could use the "proprietary" -moz-transform property in Firefox 3.5.
So you could use:
div.zoomed {
zoom: 3;
-moz-transform: scale(3);
-moz-transform-origin: 0 0;
}
the class is called:
.form-control { border-radius: 0; }
be sure to insert the override after including bootstraps css.
If you ONLY want to remove the radius on select form-controls use
select.form-control { ... }
instead
EDIT: works for me on chrome, firefox, opera, and safari, IE9+ (all running on linux/safari & IE on playonlinux)
Just in case anyone else stumbled on this question while looking for a way to replace a string across multiple files, it is Command+Shift+F
For portability, you really should do something like this:
public static final String NEW_LINE = System.getProperty("line.separator")
.
.
.
word.contains(NEW_LINE);
unless you're absolutely certain that "\n"
is what you want.
I find:
ps -ax | grep mongo
To be a lot more consistent. The value returned can be used to detect how many instances of mongod there are running
Could it be this, what you want to have:
# Initial list:
myList <- list()
# Now the new experiments
for(i in 1:3){
myList[[length(myList)+1]] <- list(sample(1:3))
}
myList
If the pages are blank coming from SSRS, you need to tweak your report layout. This will be far more efficient than running the output through and post process to repair the side effects of a layout problem.
SSRS is very finicky when it comes to pushing the boundaries of the margins. It is easy to accidentally widen/lengthen the report just by adjusting text box or other control on the report. Check the width and height property of the report surface carefully and squeeze them as much as possible. Watch out for large headers and footers.
There is a built in method which would be the fastest method also, calling tolist
on the .values
np array:
df.values.tolist()
[[0.0, 3.61, 380.0, 3.0],
[1.0, 3.67, 660.0, 3.0],
[1.0, 3.19, 640.0, 4.0],
[0.0, 2.93, 520.0, 4.0]]
This was the top result when googling "cannot open source file" so I figured I would share what my issue was since I had already included the correct path.
I'm not sure about other IDEs or compilers, but least for Visual Studio, make sure there isn't a space in your list of include directories. I had put a space between the ;
of the last entry and the beginning of my new entry which then caused Visual Studio to disregard my inclusion.
1.Open notepad
2.Create new file
3.type bellow line
dir /b > fileslist.txt
4.Save "list.bat
"
Thats it. now you can copy & paste this "list.bat
" file any of your folder location and double click it, it will create a "fileslist.txt
" along with that directory folder and file name list.
Note: If you want create file name list along with sub folder, then you can create batch file with bellow code.
dir /b /s > fileslist.txt