I encountered the same error while using Server Management Objects (SMO) in vb.net (I'm sure it's the same in C#)
Techie Joe's comment on the initial post was a useful warning that in shared hosting a lot of additional things are going on. It took a little time to figure out, but the code below shows how one has to be very specific in the way they access SQL databases. The 'server principal...' error seemed to show up whenever the SMO calls were not precisely specific in the shared hosting environment.
This first section of code was against a local SQL Express server and relied on simple Windows Authentication. All the code used in these samples are based on the SMO tutorial by Robert Kanasz in this Code Project website article:
Dim conn2 = New ServerConnection()
conn2.ServerInstance = "<local pc name>\SQLEXPRESS"
Try
Dim testConnection As New Server(conn2)
Debug.WriteLine("Server: " + testConnection.Name)
Debug.WriteLine("Edition: " + testConnection.Information.Edition)
Debug.WriteLine(" ")
For Each db2 As Database In testConnection.Databases
Debug.Write(db2.Name & " - ")
For Each fg As FileGroup In db2.FileGroups
Debug.Write(fg.Name & " - ")
For Each df As DataFile In fg.Files
Debug.WriteLine(df.Name + " - " + df.FileName)
Next
Next
Next
conn2.Disconnect()
Catch err As Exception
Debug.WriteLine(err.Message)
End Try
The code above finds the .mdf files for every database on the local SQLEXPRESS server just fine because authentication is handled by Windows and it is broad across all the databases.
In the following code there are 2 sections iterating for the .mdf files. In this case only the first iteration looking for a filegroup works, and it only finds a single file because the connection is to only a single database in the shared hosting environment.
The second iteration, which is a copy of the iteration that worked above, chokes immediately because the way it is written it tries to access the 1st database in the shared environment, which is not the one to which the User ID/Password apply, so the SQL server returns an authorization error in the form of the 'server principal...' error.
Dim sqlConnection1 As New System.Data.SqlClient.SqlConnection
sqlConnection1.ConnectionString = "connection string with User ID/Password to a specific database in a shared hosting system. This string will likely also include the Data Source and Initial Catalog parameters"
Dim conn1 As New ServerConnection(sqlConnection1)
Try
Dim testConnection As New Server(conn1)
Debug.WriteLine("Server: " + testConnection.Name)
Debug.WriteLine("Edition: " + testConnection.Information.Edition)
Debug.WriteLine(" ")
Dim db2 = testConnection.Databases("the name of the database to which the User ID/Password in the connection string applies")
For Each fg As FileGroup In db2.FileGroups
Debug.Write(fg.Name & " - ")
For Each df As DataFile In fg.Files
Debug.WriteLine(df.Name + " - " + df.FileName)
Next
Next
For Each db3 As Database In testConnection.Databases
Debug.Write(db3.Name & " - ")
For Each fg As FileGroup In db3.FileGroups
Debug.Write(fg.Name & " - ")
For Each df As DataFile In fg.Files
Debug.WriteLine(df.Name + " - " + df.FileName)
Next
Next
Next
conn1.Disconnect()
Catch err As Exception
Debug.WriteLine(err.Message)
End Try
In that second iteration loop, the code compiles fine, but because SMO wasn't setup to access precisely the correct database with the precise syntax, that attempt fails.
As I'm just learning SMO I thought other newbies might appreciate knowing there's also a more simple explanation for this error - we just coded it wrong.
Unlikely.
Evaluate it in a try..catch
or whatever your language provides.
Use: http://jsfiddle.net/xH79d/
var n = $("input[name^='card']").length;
var array = $("input[name^='card']");
for(i=0; i < n; i++) {
// use .eq() within a jQuery object to navigate it by Index
card_value = array.eq(i).attr('name'); // I'm assuming you wanted -name-
// otherwise it'd be .eq(i).val(); (if you wanted the text value)
alert(card_value);
}
?
I think if you use a UNION it will work:
select 'header 1', 'header 2', ...
union
select col1, col2, ... from ...
I don't know of a way to specify the headers with the INTO OUTFILE syntax directly.
In the case of undirected graph, a paper recently published (Optimal listing of cycles and st-paths in undirected graphs) offers an asymptotically optimal solution. You can read it here http://arxiv.org/abs/1205.2766 or here http://dl.acm.org/citation.cfm?id=2627951 I know it doesn't answer your question, but since the title of your question doesn't mention direction, it might still be useful for Google search
Client-side validation was not being executed at all on my web form and I had no idea why. It turns out the problem was the name of the javascript function was the same as the server control ID.
So you can't do this...
<script>
function vld(sender, args) { args.IsValid = true; }
</script>
<asp:CustomValidator runat="server" id="vld" ClientValidationFunction="vld" />
But this works:
<script>
function validate_vld(sender, args) { args.IsValid = true; }
</script>
<asp:CustomValidator runat="server" id="vld" ClientValidationFunction="validate_vld" />
I'm guessing it conflicts with internal .NET Javascript?
C:\> wmic cpu get loadpercentage
LoadPercentage
0
Or
C:\> @for /f "skip=1" %p in ('wmic cpu get loadpercentage') do @echo %p%
4%
The other answers are the easiest, however it's a bit annoying that the random.shuffle
method doesn't actually return anything - it just sorts the given list. If you want to chain calls or just be able to declare a shuffled array in one line you can do:
import random
def my_shuffle(array):
random.shuffle(array)
return array
Then you can do lines like:
for suit in my_shuffle(['hearts', 'spades', 'clubs', 'diamonds']):
The two queries express the same question. Apparently the query optimizer chooses two different execution plans. My guess would be that the distinct
approach is executed like:
business_key
values to a temporary tableThe group by
could be executed like:
business key
in a hashtableThe first method optimizes for memory usage: it would still perform reasonably well when part of the temporary table has to be swapped out. The second method optimizes for speed, but potentially requires a large amount of memory if there are a lot of different keys.
Since you either have enough memory or few different keys, the second method outperforms the first. It's not unusual to see performance differences of 10x or even 100x between two execution plans.
For my point of view, First thing is to install soap into Centos
yum install php-soap
Second, see if the soap package exist or not
yum search php-soap
third, thus you must see some result of soap package you installed, now type a command in your terminal in the root folder for searching the location of soap for specific path
find -name soap.so
fourth, you will see the exact path where its installed/located, simply copy the path and find the php.ini to add the extension path,
usually the path of php.ini file in centos 6 is in
/etc/php.ini
fifth, add a line of code from below into php.ini file
extension='/usr/lib/php/modules/soap.so'
and then save the file and exit.
sixth run apache restart command in Centos. I think there is two command that can restart your apache ( whichever is easier for you )
service httpd restart
OR
apachectl restart
Lastly, check phpinfo() output in browser, you should see SOAP section where SOAP CLIENT, SOAP SERVER etc are listed and shown Enabled.
we can convert date into many formats like
SELECT convert(varchar, getdate(), 106)
This returns dd mon yyyy
More Here This may help you
You can overlay a big, semi-transparent <div>
that takes all the clicks. Just append a new <div>
to <body>
with this style:
.overlay {
background-color: rgba(1, 1, 1, 0.7);
bottom: 0;
left: 0;
position: fixed;
right: 0;
top: 0;
}
Old question, but %l (lower-case L) worked for me in strftime: this may not work for everyone, though, as it's not listed in the Python documentation I found
It should be possible to create custom java agent that overrides default HostnameVerifier
:
import javax.net.ssl.*;
import java.lang.instrument.Instrumentation;
public class LenientHostnameVerifierAgent {
public static void premain(String args, Instrumentation inst) {
HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
public boolean verify(String s, SSLSession sslSession) {
return true;
}
});
}
}
Then just add -javaagent:LenientHostnameVerifierAgent.jar
to program's java startup arguments.
These are ranked in order of difficulty to break your hidden info.
Store in cleartext
Store encrypted using a symmetric key
Using the Android Keystore
Store encrypted using asymmetric keys
source: Where is the best place to store a password in your Android app
The Keystore itself is encrypted using the user’s own lockscreen pin/password, hence, when the device screen is locked the Keystore is unavailable. Keep this in mind if you have a background service that could need to access your application secrets.
source: Simple use the Android Keystore to store passwords and other sensitive information
For this and other kind of client detections I suggest this js library: http://hictech.github.io/navJs/tester/index.html
For your specific answer use:
navJS.isIOS() || navJS.isAndroid()
Like this... I used it to read Chinese characters...
Dim reader as StreamReader = My.Computer.FileSystem.OpenTextFileReader(filetoimport.Text)
Dim a as String
Do
a = reader.ReadLine
'
' Code here
'
Loop Until a Is Nothing
reader.Close()
There might be another solution to this:
Your code was:
geom_point(aes(..., show.legend = FALSE))
You can specify the show.legend
parameter after the aes
call:
geom_point(aes(...), show.legend = FALSE)
then the corresponding legend should disappear
This modification of a_horse_with_no_name's answer will give you the blocking queries in addition to just the blocked sessions:
SELECT
activity.pid,
activity.usename,
activity.query,
blocking.pid AS blocking_id,
blocking.query AS blocking_query
FROM pg_stat_activity AS activity
JOIN pg_stat_activity AS blocking ON blocking.pid = ANY(pg_blocking_pids(activity.pid));
Write below code in your MainActivity.java file instead of your code.
public class MainActivity extends Activity implements OnClickListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button mBtn1 = (Button) findViewById(R.id.mBtn1);
mBtn1.setOnClickListener(this);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
@Override
public void onClick(View v) {
Log.i("clicks","You Clicked B1");
Intent i=new Intent(MainActivity.this, MainActivity2.class);
startActivity(i);
}
}
And Declare MainActivity2 into your Androidmanifest.xml file using below code.
<activity
android:name=".MainActivity2"
android:label="@string/title_activity_main">
</activity>
Strictly speaking, there is no difference in meaning; so the choice comes down to convenience.
Here are several factors that could influence your choice:
I've finally done it in this way.
Added a ServletContextListener that does the following:
public void contextInitialized(ServletContextEvent event) {
ServletContext context = event.getServletContext();
System.setProperty("rootPath", context.getRealPath("/"));
}
Then in the log4j.properties file:
log4j.appender.file.File=${rootPath}WEB-INF/logs/MyLog.log
By doing it in this way Log4j will write into the right folder as long as you don't use it before the "rootPath" system property has been set. This means that you cannot use it from the ServletContextListener itself but you should be able to use it from anywhere else in the app.
It should work on every web container and OS as it's not dependent on a container specific system property and it's not affected by OS specific path issues. Tested with Tomcat and Orion web containers and on Windows and Linux and it works fine so far.
What do you think?
Run:
ls -l /usr/local/bin/python*
The first row in this example shows the python3 symlink. To set it as the default python symlink run the following:
ln -s -f /usr/local/bin/python3 /usr/local/bin/python
then reload your shell.
In android pre Lollipop devices you can do it from SystemBarTintManager If you are using android studio just add Systembartint lib in your gradle file.
dependencies {
compile 'com.readystatesoftware.systembartint:systembartint:1.0.3'
...
}
Then in your activity
// create manager instance after the content view is set
SystemBarTintManager mTintManager = new SystemBarTintManager(this);
// enable status bar tint
mTintManager.setStatusBarTintEnabled(true);
mTintManager.setTintColor(getResources().getColor(R.color.blue));
import urllib2
mp3file = urllib2.urlopen("http://www.example.com/songs/mp3.mp3")
with open('test.mp3','wb') as output:
output.write(mp3file.read())
The wb
in open('test.mp3','wb')
opens a file (and erases any existing file) in binary mode so you can save data with it instead of just text.
Try this in your css:
#ntext{
color: #000000;
}
Then the following in all your navigation bar list codes:
<li><a href="#" id="ntext"><span class="glyphicon glyphicon-user"></span> About</a></li>
On Windows 2003, to call another script without waiting, I used this:
$commandString = "start /b c:\\php\\php.EXE C:\\Inetpub\\wwwroot\\mysite.com\\phpforktest.php --passmsg=$testmsg";
pclose(popen($commandString, 'r'));
This only works AFTER giving changing permissions on cmd.exe
- add Read and Execute for IUSR_YOURMACHINE
(I also set write to Deny).
The just above code is incorrect as shown:
SELECT
sysobjects.name AS trigger_name
--,USER_NAME(sysobjects.uid) AS trigger_owner
--,s.name AS table_schema
--,OBJECT_NAME(parent_obj) AS table_name
--,OBJECTPROPERTY( id, 'ExecIsUpdateTrigger') AS isupdate
--,OBJECTPROPERTY( id, 'ExecIsDeleteTrigger') AS isdelete
--,OBJECTPROPERTY( id, 'ExecIsInsertTrigger') AS isinsert
--,OBJECTPROPERTY( id, 'ExecIsAfterTrigger') AS isafter
--,OBJECTPROPERTY( id, 'ExecIsInsteadOfTrigger') AS isinsteadof
--,OBJECTPROPERTY(id, 'ExecIsTriggerDisabled') AS [disabled]
FROM sysobjects
/*
INNER JOIN sysusers
ON sysobjects.uid = sysusers.uid
*/
INNER JOIN sys.tables t
ON sysobjects.parent_obj = t.object_id
INNER JOIN sys.schemas s
ON t.schema_id = s.schema_id
WHERE sysobjects.type = 'TR'
EXCEPT
SELECT OBJECT_NAME(parent_id) as Table_Name FROM sys.triggers
Visibility is an animatable property according to the spec, but transitions on visibility do not work gradually, as one might expect. Instead transitions on visibility delay hiding an element. On the other hand making an element visible works immediately. This is as it is defined by the spec (in the case of the default timing function) and as it is implemented in the browsers.
This also is a useful behavior, since in fact one can imagine various visual effects to hide an element. Fading out an element is just one kind of visual effect that is specified using opacity. Other visual effects might move away the element using e.g. the transform property, also see http://taccgl.org/blog/css-transition-visibility.html
It is often useful to combine the opacity transition with a visibility transition! Although opacity appears to do the right thing, fully transparent elements (with opacity:0) still receive mouse events. So e.g. links on an element that was faded out with an opacity transition alone, still respond to clicks (although not visible) and links behind the faded element do not work (although being visible through the faded element). See http://taccgl.org/blog/css-transition-opacity-for-fade-effects.html.
This strange behavior can be avoided by just using both transitions, the transition on visibility and the transition on opacity. Thereby the visibility property is used to disable mouse events for the element while opacity is used for the visual effect. However care must be taken not to hide the element while the visual effect is playing, which would otherwise not be visible. Here the special semantics of the visibility transition becomes handy. When hiding an element the element stays visible while playing the visual effect and is hidden afterwards. On the other hand when revealing an element, the visibility transition makes the element visible immediately, i.e. before playing the visual effect.
$date = strtotime("+1 day");
echo date('m-d-y',$date);
I think the best way is just to kill the process on that port, by typing in the terminal fuser -k [PORT NUMBER]/tcp
, e.g. fuser -k 5001/tcp
.
The ps command (at least the procps version used by many Linux distributions) has a number of format fields that relate to the process start time, including lstart
which always gives the full date and time the process started:
# ps -p 1 -wo pid,lstart,cmd
PID STARTED CMD
1 Mon Dec 23 00:31:43 2013 /sbin/init
# ps -p 1 -p $$ -wo user,pid,%cpu,%mem,vsz,rss,tty,stat,lstart,cmd
USER PID %CPU %MEM VSZ RSS TT STAT STARTED CMD
root 1 0.0 0.1 2800 1152 ? Ss Mon Dec 23 00:31:44 2013 /sbin/init
root 5151 0.3 0.1 4732 1980 pts/2 S Sat Mar 8 16:50:47 2014 bash
For a discussion of how the information is published in the /proc filesystem, see https://unix.stackexchange.com/questions/7870/how-to-check-how-long-a-process-has-been-running
(In my experience under Linux, the time stamp on the /proc/ directories seem to be related to a moment when the virtual directory was recently accessed rather than the start time of the processes:
# date; ls -ld /proc/1 /proc/$$
Sat Mar 8 17:14:21 EST 2014
dr-xr-xr-x 7 root root 0 2014-03-08 16:50 /proc/1
dr-xr-xr-x 7 root root 0 2014-03-08 16:51 /proc/5151
Note that in this case I ran a "ps -p 1" command at about 16:50, then spawned a new bash shell, then ran the "ps -p 1 -p $$" command within that shell shortly afterward....)
It's an old question, however might be useful for someone like me.
lodash
has _.inRange()
function https://lodash.com/docs/4.17.4#inRange
Example:
_.inRange(3, 2, 4);
// => true
Please note that this method utilizes the Lodash
utility library, and requires access to an installed version of Lodash.
Since I was helped with my project by the answer above (I asked a duplicate question and was referred here), I am submitting an answer (my test code) for bracket notation when nesting within the var:
<html>_x000D_
<head>_x000D_
<script type="text/javascript">_x000D_
function displayFile(whatOption, whatColor) {_x000D_
var Test01 = {_x000D_
rectangle: {_x000D_
red: "RectangleRedFile",_x000D_
blue: "RectangleBlueFile"_x000D_
},_x000D_
square: {_x000D_
red: "SquareRedFile",_x000D_
blue: "SquareBlueFile"_x000D_
}_x000D_
};_x000D_
var filename = Test01[whatOption][whatColor];_x000D_
alert(filename);_x000D_
}_x000D_
</script>_x000D_
</head>_x000D_
<body>_x000D_
<p onclick="displayFile('rectangle', 'red')">[ Rec Red ]</p>_x000D_
<br/>_x000D_
<p onclick="displayFile('square', 'blue')">[ Sq Blue ]</p>_x000D_
<br/>_x000D_
<p onclick="displayFile('square', 'red')">[ Sq Red ]</p>_x000D_
</body>_x000D_
</html>
_x000D_
I was with Angular 8 and the only thing which worked for me was this:
getCustomHeaders(): HttpHeaders {
const headers = new HttpHeaders()
.set('Content-Type', 'application/json')
.set('Api-Key', 'xxx');
return headers;
}
I suggest to rethink what you are doing. I never experienced one single use case where that special knowledge is required. The next id is a very special implementation detail and I wouldn't count on getting it is ACID safe.
Make one simple transaction which updates your inserted row with the last id:
BEGIN;
INSERT INTO payments (date, item, method)
VALUES (NOW(), '1 Month', 'paypal');
UPDATE payments SET payment_code = CONCAT("sahf4d2fdd45", LAST_INSERT_ID())
WHERE id = LAST_INSERT_ID();
COMMIT;
Similar problem with an embarrassingly simple solution - make sure your API methods are public
. Leaving off any method access modifier will return an HTTP 404 too.
Will return 404:
List<CustomerInvitation> GetInvitations(){
Will execute as expected:
public List<CustomerInvitation> GetInvitations(){
Sticking to the method you are using to insert it, use
list[:0] = ['foo']
http://docs.python.org/release/2.6.6/library/stdtypes.html#mutable-sequence-types
You can add multiple classes by separating classes names by spaces
$('.page-address-edit').addClass('test1 test2 test3');
Acepted solution implemented in PyQt5
import sys
from PyQt5.QtWidgets import QApplication, QDialog, QFormLayout
from PyQt5.QtWidgets import (QPushButton, QLineEdit)
class Form(QDialog):
def __init__(self, parent=None):
super(Form, self).__init__(parent)
self.le = QLineEdit()
self.le.setObjectName("host")
self.le.setText("Host")
self.pb = QPushButton()
self.pb.setObjectName("connect")
self.pb.setText("Connect")
self.pb.clicked.connect(self.button_click)
layout = QFormLayout()
layout.addWidget(self.le)
layout.addWidget(self.pb)
self.setLayout(layout)
self.setWindowTitle("Learning")
def button_click(self):
# shost is a QString object
shost = self.le.text()
print (shost)
app = QApplication(sys.argv)
form = Form()
form.show()
app.exec_()
This is how you add jar files from external folders
1) Click on File and there you click on New and New Module
2) New Window appears ,,There you have to choose the Import .JAR/.AAR package .
3) Click on the path option at the top right corner of the window ...And give the whole path of the JAR file .
4)click on finish.
Now you have added the Jar file and You need to add it in the dependency for your application project
1)Right click on app folder and there you have to choose Open Module Settings or F4
2)Click on dependency at the top right corner of the current window .
3)Click on '+' symbol and choose 'Module Dependency' and It will show you the existed JAR files which you have included in your project ...
Choose the one you want and click 'OK/Finish'
Thank you
If you can catch this in time and you don't have the ability to ROLLBACK
or use the transaction log, you can take a backup immediately and use a tool like Redgate's SQL Data Compare to generate a script to "restore" the affected data. This worked like a charm for me. :)
if (document.getElementById('theElement')) // do whatever after this
For undefined things that throw errors, test the property name of the parent object instead of just the variable name - so instead of:
if (blah) ...
do:
if (window.blah) ...
Quicksort is usually the fastest on average, but It has some pretty nasty worst-case behaviors. So if you have to guarantee no bad data gives you O(N^2)
, you should avoid it.
Merge-sort uses extra memory, but is particularly suitable for external sorting (i.e. huge files that don't fit into memory).
Heap-sort can sort in-place and doesn't have the worst case quadratic behavior, but on average is slower than quicksort in most cases.
Where only integers in a restricted range are involved, you can use some kind of radix sort to make it very fast.
In 99% of the cases, you'll be fine with the library sorts, which are usually based on quicksort.
You can just do "TYPE1".
Annoyingly, the withTimeAtStartOfDay answer is wrong, but only occasionally. You want:
Days.daysBetween(start.toLocalDate(), end.toLocalDate()).getDays()
It turns out that "midnight/start of day" sometimes means 1am (daylight savings happen this way in some places), which Days.daysBetween doesn't handle properly.
// 5am on the 20th to 1pm on the 21st, October 2013, Brazil
DateTimeZone BRAZIL = DateTimeZone.forID("America/Sao_Paulo");
DateTime start = new DateTime(2013, 10, 20, 5, 0, 0, BRAZIL);
DateTime end = new DateTime(2013, 10, 21, 13, 0, 0, BRAZIL);
System.out.println(daysBetween(start.withTimeAtStartOfDay(),
end.withTimeAtStartOfDay()).getDays());
// prints 0
System.out.println(daysBetween(start.toLocalDate(),
end.toLocalDate()).getDays());
// prints 1
Going via a LocalDate
sidesteps the whole issue.
The simplest way is to define it as a global function in a .h
file, and call it whenever you want, if your program is modular with lots of files. If not, double MIN(a,b){return (a<b?a:b)}
is the simplest way.
the mysqli_query
excepts 2 parameters , first variable is mysqli_connect
equivalent variable , second one is the query you have provided
$name1 = mysqli_connect(localhost,tdoylex1_dork,dorkk,tdoylex1_dork);
$name2 = mysqli_query($name1,"SELECT name FROM users ORDER BY RAND() LIMIT 1");
In Python 3 you can use a variation on:
def Deb(msg = None):
print(f"Debug {sys._getframe().f_back.f_lineno}: {msg if msg is not None else ''}")
In code, you can then use:
Deb("Some useful information")
Deb()
To produce:
123: Some useful information
124:
Where the 123 and 124 are the lines that the calls are made from.
You'd better use CSS for this:
td{
background-color:black;
color:white;
}
td:hover{
background-color:white;
color:black;
}
If you want to use these styles for only a specific set of elements, you should give your td
a class (or an ID, if it's the only element which'll have that style).
Example :
<td class="whiteHover"></td>
.whiteHover{
/* Same style as above */
}
Here's a reference on MDN for :hover
pseudo class.
Here is example code for usage of java's built-in FIFO queue:
public static void main(String[] args) {
Queue<Integer> myQ = new LinkedList<Integer>();
myQ.add(1);
myQ.add(6);
myQ.add(3);
System.out.println(myQ); // 1 6 3
int first = myQ.poll(); // retrieve and remove the first element
System.out.println(first); // 1
System.out.println(myQ); // 6 3
}
Consider such a solution without a need to define the third variable:
function swap(arr, from, to) {_x000D_
arr.splice(from, 1, arr.splice(to, 1, arr[from])[0]);_x000D_
}_x000D_
_x000D_
var letters = ["a", "b", "c", "d", "e", "f"];_x000D_
_x000D_
swap(letters, 1, 4);_x000D_
_x000D_
console.log(letters); // ["a", "e", "c", "d", "b", "f"]
_x000D_
Note: You may want to add additional checks for example for array length. This solution is mutable so swap
function does not need to return a new array, it just does mutation over array passed into.
Edit your AndroidManifest.xml
to add RECEIVE_BOOT_COMPLETED
permission
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
Edit your AndroidManifest.xml
application-part for below Permission
<receiver android:enabled="true" android:name=".BootUpReceiver"
android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</receiver>
Now write below in Activity.
public class BootUpReceiver extends BroadcastReceiver{
@Override
public void onReceive(Context context, Intent intent) {
Intent i = new Intent(context, MyActivity.class);
i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(i);
}
}
img {max-width:100%;}
is one way of doing this. Just add it to your CSS code.
System properties are set on the Java command line using the -Dpropertyname=value
syntax. They can also be added at runtime
using System.setProperty(String key, String value)
or via the various
System.getProperties().load()
methods.
To get a specific system property you can use System.getProperty(String key)
or System.getProperty(String key, String def)
.
Environment variables are set in the OS, e.g. in Linux export HOME=/Users/myusername
or on Windows SET WINDIR=C:\Windows
etc,
and, unlike properties, may not be set at runtime.
To get a specific environment variable you can use System.getenv(String name)
.
Unfortunately, the meaning of things like ( and \( are swapped between Emacs style regular expressions and most other styles. So if you try to escape these you may be doing the opposite of what you want.
So you really have to know what style you are trying to quote.
All string data must be UTF-8 encoded.
$out = array(
'render' => utf8_encode($renderOutput),
'text' => utf8_encode($textOutput)
);
$out = json_encode($out);
die($out);
Well then: welcome to the R world ;-)
Here you go
urls <- c(
"http://stat.ethz.ch/R-manual/R-devel/library/base/html/connections.html",
"http://en.wikipedia.org/wiki/Xz",
"xxxxx"
)
readUrl <- function(url) {
out <- tryCatch(
{
# Just to highlight: if you want to use more than one
# R expression in the "try" part then you'll have to
# use curly brackets.
# 'tryCatch()' will return the last evaluated expression
# in case the "try" part was completed successfully
message("This is the 'try' part")
readLines(con=url, warn=FALSE)
# The return value of `readLines()` is the actual value
# that will be returned in case there is no condition
# (e.g. warning or error).
# You don't need to state the return value via `return()` as code
# in the "try" part is not wrapped inside a function (unlike that
# for the condition handlers for warnings and error below)
},
error=function(cond) {
message(paste("URL does not seem to exist:", url))
message("Here's the original error message:")
message(cond)
# Choose a return value in case of error
return(NA)
},
warning=function(cond) {
message(paste("URL caused a warning:", url))
message("Here's the original warning message:")
message(cond)
# Choose a return value in case of warning
return(NULL)
},
finally={
# NOTE:
# Here goes everything that should be executed at the end,
# regardless of success or error.
# If you want more than one expression to be executed, then you
# need to wrap them in curly brackets ({...}); otherwise you could
# just have written 'finally=<expression>'
message(paste("Processed URL:", url))
message("Some other message at the end")
}
)
return(out)
}
> y <- lapply(urls, readUrl)
Processed URL: http://stat.ethz.ch/R-manual/R-devel/library/base/html/connections.html
Some other message at the end
Processed URL: http://en.wikipedia.org/wiki/Xz
Some other message at the end
URL does not seem to exist: xxxxx
Here's the original error message:
cannot open the connection
Processed URL: xxxxx
Some other message at the end
Warning message:
In file(con, "r") : cannot open file 'xxxxx': No such file or directory
> head(y[[1]])
[1] "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">"
[2] "<html><head><title>R: Functions to Manipulate Connections</title>"
[3] "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">"
[4] "<link rel=\"stylesheet\" type=\"text/css\" href=\"R.css\">"
[5] "</head><body>"
[6] ""
> length(y)
[1] 3
> y[[3]]
[1] NA
tryCatch
tryCatch
returns the value associated to executing expr
unless there's an error or a warning. In this case, specific return values (see return(NA)
above) can be specified by supplying a respective handler function (see arguments error
and warning
in ?tryCatch
). These can be functions that already exist, but you can also define them within tryCatch()
(as I did above).
The implications of choosing specific return values of the handler functions
As we've specified that NA
should be returned in case of error, the third element in y
is NA
. If we'd have chosen NULL
to be the return value, the length of y
would just have been 2
instead of 3
as lapply()
will simply "ignore" return values that are NULL
. Also note that if you don't specify an explicit return value via return()
, the handler functions will return NULL
(i.e. in case of an error or a warning condition).
"Undesired" warning message
As warn=FALSE
doesn't seem to have any effect, an alternative way to suppress the warning (which in this case isn't really of interest) is to use
suppressWarnings(readLines(con=url))
instead of
readLines(con=url, warn=FALSE)
Multiple expressions
Note that you can also place multiple expressions in the "actual expressions part" (argument expr
of tryCatch()
) if you wrap them in curly brackets (just like I illustrated in the finally
part).
I don't have enough rep points to vote up froadie's answer. But I have to disagree with the comments on Kris's answer. The following answer:
SELECT name
FROM table2
WHERE name NOT IN
(SELECT name
FROM table1)
Is FAR more efficient in practice. I don't know why, but I'm running it against 800k+ records and the difference is tremendous with the advantage given to the 2nd answer posted above. Just my $0.02.
One thing I found out is that your folder holding your php/html files cannot be named the same name as the folder in your HTDOCS carrying your project.
I had the same issue. I think it would be appropriate to check whether your class can be compiled or not. Click recompile (Ctrl+Shift+F9 by default). If its not working then you have to investigate why it isn't compiling.
In my case the code wasn't autocompiling because there were hidden errors with compilation (they weren't shown in logs anywhere and maven clean-install was working). The rootcause was incorrect Project Structure -> Modules configuration, so Intellij Idea wasn't able to build it according to this configuration.
You can accomplish this using PoweShell;
Test-Path $ENV:SystemRoot\YourDirectory
Test-Path C:\Windows\YourDirectory
This returns TRUE
or FALSE
Short, simle and easy!
Install the CSS Usage add-on for Firebug and run it on that page. It will tell you which styles are being used and not used by that page.
Set the left position of this view relative to its parent:
view.setLeft(int leftPosition);
Set the right position of this view relative to its parent:
view.setRight(int rightPosition);
Set the top position of this view relative to its parent:
view.setTop(int topPosition);
Set the bottom position of this view relative to its parent:
view.setBottom(int bottomPositon);
The above methods are used to set the position the view related to its parent.
You can also install json-py from here http://sourceforge.net/projects/json-py/
Simple way to initiate the message on startup:
bot.on('ready', () => {
bot.user.setStatus('available')
bot.user.setPresence({
game: {
name: 'with depression',
type: "STREAMING",
url: "https://www.twitch.tv/monstercat"
}
});
});
You can also just declare it elsewhere after startup, to change the message as needed:
bot.user.setPresence({ game: { name: 'with depression', type: "streaming", url: "https://www.twitch.tv/monstercat"}});
Instead of initializing the variables with arbitrary values (for example int smallest = 9999, largest = 0
) it is safer to initialize the variables with the largest and smallest values representable by that number type (that is int smallest = Integer.MAX_VALUE, largest = Integer.MIN_VALUE
).
Since your integer array cannot contain a value larger than Integer.MAX_VALUE
and smaller than Integer.MIN_VALUE
your code works across all edge cases.
If you just need to make simple get requests and don't need support for any other HTTP methods take a look at: simple-get:
var get = require('simple-get');
get('http://example.com', function (err, res) {
if (err) throw err;
console.log(res.statusCode); // 200
res.pipe(process.stdout); // `res` is a stream
});
<?php
$subject = "this is a subject";
$message = "testing a message";
$headers .= "Reply-To: The Sender <[email protected]>\r\n";
$headers .= "Return-Path: The Sender <[email protected]>\r\n";
$headers .= "From: The Sender <[email protected]>\r\n";
$headers .= "Organization: Sender Organization\r\n";
$headers .= "MIME-Version: 1.0\r\n";
$headers .= "Content-type: text/plain; charset=iso-8859-1\r\n";
$headers .= "X-Priority: 3\r\n";
$headers .= "X-Mailer: PHP". phpversion() ."\r\n" ;
mail("[email protected]", $subject, $message, $headers);
?>
Instead of looking at the source code, you should read the javadoc String.format() and Formatter syntax.
You specify the format of the value after the %. For instance for decimal integer it is d
, and for String it is s
:
String aString = "world";
int aInt = 20;
String.format("Hello, %s on line %d", aString, aInt );
Output:
Hello, world on line 20
To do what you tried (use an argument index), you use: *n*$
,
String.format("Line:%2$d. Value:%1$s. Result: Hello %1$s at line %2$d", aString, aInt );
Output:
Line:20. Value:world. Result: Hello world at line 20
As an addition to the answer of @mavroprovato, if you want to trust all certificates instead of just self-signed, you'd do (in the style of your code)
builder.loadTrustMaterial(null, new TrustStrategy(){
public boolean isTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
return true;
}
});
or (direct copy-paste from my own code):
import javax.net.ssl.SSLContext;
import org.apache.http.ssl.TrustStrategy;
import org.apache.http.ssl.SSLContexts;
// ...
SSLContext sslContext = SSLContexts
.custom()
//FIXME to contain real trust store
.loadTrustMaterial(new TrustStrategy() {
@Override
public boolean isTrusted(X509Certificate[] chain,
String authType) throws CertificateException {
return true;
}
})
.build();
And if you want to skip hostname verification as well, you need to set
CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(
sslsf).setSSLHostnameVerifier( NoopHostnameVerifier.INSTANCE).build();
as well. (ALLOW_ALL_HOSTNAME_VERIFIER is deprecated).
Obligatory warning: you shouldn't really do this, accepting all certificates is a bad thing. However there are some rare use cases where you want to do this.
As a note to code previously given, you'll want to close response even if httpclient.execute() throws an exception
CloseableHttpResponse response = null;
try {
response = httpclient.execute(httpGet);
System.out.println(response.getStatusLine());
HttpEntity entity = response.getEntity();
EntityUtils.consume(entity);
}
finally {
if (response != null) {
response.close();
}
}
Code above was tested using
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.3</version>
</dependency>
And for the interested, here's my full test set:
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustSelfSignedStrategy;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.SSLContextBuilder;
import org.apache.http.ssl.TrustStrategy;
import org.apache.http.util.EntityUtils;
import org.junit.Test;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLHandshakeException;
import javax.net.ssl.SSLPeerUnverifiedException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
public class TrustAllCertificatesTest {
final String expiredCertSite = "https://expired.badssl.com/";
final String selfSignedCertSite = "https://self-signed.badssl.com/";
final String wrongHostCertSite = "https://wrong.host.badssl.com/";
static final TrustStrategy trustSelfSignedStrategy = new TrustSelfSignedStrategy();
static final TrustStrategy trustAllStrategy = new TrustStrategy(){
public boolean isTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
return true;
}
};
@Test
public void testSelfSignedOnSelfSignedUsingCode() throws Exception {
doGet(selfSignedCertSite, trustSelfSignedStrategy);
}
@Test(expected = SSLHandshakeException.class)
public void testExpiredOnSelfSignedUsingCode() throws Exception {
doGet(expiredCertSite, trustSelfSignedStrategy);
}
@Test(expected = SSLPeerUnverifiedException.class)
public void testWrongHostOnSelfSignedUsingCode() throws Exception {
doGet(wrongHostCertSite, trustSelfSignedStrategy);
}
@Test
public void testSelfSignedOnTrustAllUsingCode() throws Exception {
doGet(selfSignedCertSite, trustAllStrategy);
}
@Test
public void testExpiredOnTrustAllUsingCode() throws Exception {
doGet(expiredCertSite, trustAllStrategy);
}
@Test(expected = SSLPeerUnverifiedException.class)
public void testWrongHostOnTrustAllUsingCode() throws Exception {
doGet(wrongHostCertSite, trustAllStrategy);
}
@Test
public void testSelfSignedOnAllowAllUsingCode() throws Exception {
doGet(selfSignedCertSite, trustAllStrategy, NoopHostnameVerifier.INSTANCE);
}
@Test
public void testExpiredOnAllowAllUsingCode() throws Exception {
doGet(expiredCertSite, trustAllStrategy, NoopHostnameVerifier.INSTANCE);
}
@Test
public void testWrongHostOnAllowAllUsingCode() throws Exception {
doGet(expiredCertSite, trustAllStrategy, NoopHostnameVerifier.INSTANCE);
}
public void doGet(String url, TrustStrategy trustStrategy, HostnameVerifier hostnameVerifier) throws Exception {
SSLContextBuilder builder = new SSLContextBuilder();
builder.loadTrustMaterial(trustStrategy);
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
builder.build());
CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(
sslsf).setSSLHostnameVerifier(hostnameVerifier).build();
HttpGet httpGet = new HttpGet(url);
CloseableHttpResponse response = httpclient.execute(httpGet);
try {
System.out.println(response.getStatusLine());
HttpEntity entity = response.getEntity();
EntityUtils.consume(entity);
} finally {
response.close();
}
}
public void doGet(String url, TrustStrategy trustStrategy) throws Exception {
SSLContextBuilder builder = new SSLContextBuilder();
builder.loadTrustMaterial(trustStrategy);
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
builder.build());
CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(
sslsf).build();
HttpGet httpGet = new HttpGet(url);
CloseableHttpResponse response = httpclient.execute(httpGet);
try {
System.out.println(response.getStatusLine());
HttpEntity entity = response.getEntity();
EntityUtils.consume(entity);
} finally {
response.close();
}
}
}
(working test project in github)
I think what you are being asked to do (or perhaps asking yourself?) is take a character value which matches the name of a column in a particular dataframe (possibly also given as a character). There are two tricks here. Most people learn to extract columns with the "$" operator and that won't work inside a function if the function is passed a character vecor. If the function is also supposed to accept character argument then you will need to use the get
function as well:
df1 <- data.frame(a=1:10, b=11:20)
mean_col <- function( dfrm, col ) mean( get(dfrm)[[ col ]] )
mean_col("df1", "b")
# [1] 15.5
There is sort of a semantic boundary between ordinary objects like character vectors and language objects like the names of objects. The get
function is one of the functions that lets you "promote" character values to language level evaluation. And the "$" function will NOT evaluate its argument in a function, so you need to use"[[". "$" only is useful at the console level and needs to be completely avoided in functions.
Use the boolean()
XPath function
The boolean function converts its argument to a boolean as follows:
a number is true if and only if it is neither positive or negative zero nor NaN
a node-set is true if and only if it is non-empty
a string is true if and only if its length is non-zero
an object of a type other than the four basic types is converted to a boolean in a way that is dependent on that type
If there is an AttachedXml in the CreditReport of primary Consumer, then it will return true()
.
boolean(/mc:Consumers
/mc:Consumer[@subjectIdentifier='Primary']
//mc:CreditReport/mc:AttachedXml)
always make sure to have set your default timezone
date_default_timezone_set('Europe/Berlin');
create DateTime instance, holding the current datetime
$datetime = new DateTime();
create one day interval
$interval = new DateInterval('P1D');
modify the DateTime instance
$datetime->sub($interval);
display the result, or print_r($datetime);
for more insight
echo $datetime->format('Y-m-d');
TIP:
If you don't want to change the default timezone, use the DateTimeZone
class instead.
$myTimezone = new DateTimeZone('Europe/Berlin');
$datetime->setTimezone($myTimezone);
or just include it inside the constructor in this form new DateTime("now", $myTimezone);
Im doing this in coffeescript
booking_module_time_clock_convert_id = () ->
if $('.booking_module_time_clock').length
idnumber = 1
for a in $('.booking_module_time_clock')
elementID = $(a).attr("id")
$(a).attr( 'id', "#{elementID}_#{idnumber}" )
idnumber++
@"string here
that is long you mean"
But be careful, because
@"string here
and space before this text
means the space is also a part of the string"
It also escapes things in the string
@"c:\\folder" // c:\\folder
@"c:\folder" // c:\folder
"c:\\folder" // c:\folder
Related
showInventory(player);
is passing a type as parameter. That's illegal, you need to pass an object.
For example, something like:
player p;
showInventory(p);
I'm guessing you have something like this:
int main()
{
player player;
toDo();
}
which is awful. First, don't name the object the same as your type. Second, in order for the object to be visible inside the function, you'll need to pass it as parameter:
int main()
{
player p;
toDo(p);
}
and
std::string toDo(player& p)
{
//....
showInventory(p);
//....
}
There are two versions: 1 and 4. EFv4 is part of .net 4.0, and EFv1 is part of .net 3.5 SP1.
Yes, the config setting above points to EFv4 / .net 4.0.
EDIT
If you open the references folder and locate system.data.entity
, click the item, then check the runtime version number in the Properties explorer, you will see the sub version as well. Mine for instance shows runtime version v4.0.30319 with the Version property showing 4.0.0.0. The EntityFramework.dll
can be viewed in this fashion also. Only the Version will be 4.1.0.0 and the Runtime version will be v4.0.30319 which specifies it is a .NET 4 component. Alternatively, you can open the file location as listed in the Path property and right-click the component in question, choose properties, then choose the details tab and view the product version.
np.max
is just an alias for np.amax
. This function only works on a single input array and finds the value of maximum element in that entire array (returning a scalar). Alternatively, it takes an axis
argument and will find the maximum value along an axis of the input array (returning a new array).
>>> a = np.array([[0, 1, 6],
[2, 4, 1]])
>>> np.max(a)
6
>>> np.max(a, axis=0) # max of each column
array([2, 4, 6])
The default behaviour of np.maximum
is to take two arrays and compute their element-wise maximum. Here, 'compatible' means that one array can be broadcast to the other. For example:
>>> b = np.array([3, 6, 1])
>>> c = np.array([4, 2, 9])
>>> np.maximum(b, c)
array([4, 6, 9])
But np.maximum
is also a universal function which means that it has other features and methods which come in useful when working with multidimensional arrays. For example you can compute the cumulative maximum over an array (or a particular axis of the array):
>>> d = np.array([2, 0, 3, -4, -2, 7, 9])
>>> np.maximum.accumulate(d)
array([2, 2, 3, 3, 3, 7, 9])
This is not possible with np.max
.
You can make np.maximum
imitate np.max
to a certain extent when using np.maximum.reduce
:
>>> np.maximum.reduce(d)
9
>>> np.max(d)
9
Basic testing suggests the two approaches are comparable in performance; and they should be, as np.max()
actually calls np.maximum.reduce
to do the computation.
Use -e
option, then you can print new line character with \n
in the string.
Sample (but not sure whether a good one or not)
The fun thing is that -e
option is not documented in MacOS's man page while still usable. It is documented in the man page of Linux.
There are two options, really:
E.g.,
int[] ints = {11367, 11358, 11421, 11530, 11491, 11218, 11789};
Arrays.sort(ints);
System.out.println(Arrays.asList(ints));
That of course assumes that you already have your integers as an array. If you need to parse those first, look for String.split and Integer.parseInt.
I wrote some code that accomplishes this, and adds a button to toggle visibility of code.
The following goes in a code cell at the top of a notebook:
from IPython.display import display
from IPython.display import HTML
import IPython.core.display as di # Example: di.display_html('<h3>%s:</h3>' % str, raw=True)
# This line will hide code by default when the notebook is exported as HTML
di.display_html('<script>jQuery(function() {if (jQuery("body.notebook_app").length == 0) { jQuery(".input_area").toggle(); jQuery(".prompt").toggle();}});</script>', raw=True)
# This line will add a button to toggle visibility of code blocks, for use with the HTML export version
di.display_html('''<button onclick="jQuery('.input_area').toggle(); jQuery('.prompt').toggle();">Toggle code</button>''', raw=True)
You can see an example of how this looks in NBviewer here.
Update: This will have some funny behavior with Markdown cells in Jupyter, but it works fine in the HTML export version of the notebook.
I've found the sticky footer solution a bit painful on responsive sites, given that the height of your nav and footer can differ depending on the device. If you only care about working on modern browsers, you can accomplish your goal using a bit of Javascript.
If this is your HTML:
<div class="nav">
</div>
<div class="wrapper">
</div>
<div class="footer">
</div>
Then use this JQuery on every page:
$(function(){
/* Sets the minimum height of the wrapper div to ensure the footer reaches the bottom */
function setWrapperMinHeight() {
$('.wrapper').css('minHeight', window.innerHeight - $('.nav').height() - $('.footer').height());
}
/* Make sure the main div gets resized on ready */
setWrapperMinHeight();
/* Make sure the wrapper div gets resized whenever the screen gets resized */
window.onresize = function() {
setWrapperMinHeight();
}
});
import unicodedata
from random import choice
import perfplot
import regex
import text_unidecode
def remove_accent_chars_regex(x: str):
return regex.sub(r'\p{Mn}', '', unicodedata.normalize('NFKD', x))
def remove_accent_chars_join(x: str):
# answer by MiniQuark
# https://stackoverflow.com/a/517974/7966259
return u"".join([c for c in unicodedata.normalize('NFKD', x) if not unicodedata.combining(c)])
perfplot.show(
setup=lambda n: ''.join([choice('Málaga François Phút Hon ??') for i in range(n)]),
kernels=[
remove_accent_chars_regex,
remove_accent_chars_join,
text_unidecode.unidecode,
],
labels=['regex', 'join', 'unidecode'],
n_range=[2 ** k for k in range(22)],
equality_check=None, relative_to=0, xlabel='str len'
)
Some time you need to access with schema
name,as an example you are using AdventureWorks Database you need to access with schemas.
SELECT s.name +'.'+v.name FROM sys.views v inner join sys.schemas s on s.schema_id = v.schema_id
In python the with
keyword is used when working with unmanaged resources (like file streams). It is similar to the using
statement in VB.NET and C#. It allows you to ensure that a resource is "cleaned up" when the code that uses it finishes running, even if exceptions are thrown. It provides 'syntactic sugar' for try/finally
blocks.
From Python Docs:
The
with
statement clarifies code that previously would usetry...finally
blocks to ensure that clean-up code is executed. In this section, I’ll discuss the statement as it will commonly be used. In the next section, I’ll examine the implementation details and show how to write objects for use with this statement.The
with
statement is a control-flow structure whose basic structure is:with expression [as variable]: with-block
The expression is evaluated, and it should result in an object that supports the context management protocol (that is, has
__enter__()
and__exit__()
methods).
Update fixed VB callout per Scott Wisniewski's comment. I was indeed confusing with
with using
.
Warning: do not use the following command unless you want to lose uncommitted work!
Using git reset
has been explained, but you asked for an explanation of the piped commands as well, so here goes:
git ls-files -z | xargs -0 rm -f
git diff --name-only --diff-filter=D -z | xargs -0 git rm --cached
The command git ls-files
lists all files git knows about. The option -z
imposes a specific format on them, the format expected by xargs -0
, which then invokes rm -f
on them, which means to remove them without checking for your approval.
In other words, "list all files git knows about and remove your local copy".
Then we get to git diff
, which shows changes between different versions of items git knows about. Those can be changes between different trees, differences between local copies and remote copies, and so on.
As used here, it shows the unstaged changes; the files you have changed but haven't committed yet. The option --name-only
means you want the (full) file names only and --diff-filter=D
means you're interested in deleted files only. (Hey, didn't we just delete a bunch of stuff?)
This then gets piped into the xargs -0
we saw before, which invokes git rm --cached
on them, meaning that they get removed from the cache, while the working tree should be left alone — except that you've just removed all files from your working tree. Now they're removed from your index as well.
In other words, all changes, staged or unstaged, are gone, and your working tree is empty. Have a cry, checkout your files fresh from origin or remote, and redo your work. Curse the sadist who wrote these infernal lines; I have no clue whatsoever why anybody would want to do this.
TL;DR: you just hosed everything; start over and use git reset
from now on.
Very similar to peixe.
You don't have to mention the number if the variables you add as parameters are in order of appearance
f = open('{}.csv'.format(name), 'wb')
Another option - the f-string formatting (ref):
f = open(f"{name}.csv", 'wb')
With jQuery (and without FormData API) you can use something like this:
function readFile(file){
var loader = new FileReader();
var def = $.Deferred(), promise = def.promise();
//--- provide classic deferred interface
loader.onload = function (e) { def.resolve(e.target.result); };
loader.onprogress = loader.onloadstart = function (e) { def.notify(e); };
loader.onerror = loader.onabort = function (e) { def.reject(e); };
promise.abort = function () { return loader.abort.apply(loader, arguments); };
loader.readAsBinaryString(file);
return promise;
}
function upload(url, data){
var def = $.Deferred(), promise = def.promise();
var mul = buildMultipart(data);
var req = $.ajax({
url: url,
data: mul.data,
processData: false,
type: "post",
async: true,
contentType: "multipart/form-data; boundary="+mul.bound,
xhr: function() {
var xhr = jQuery.ajaxSettings.xhr();
if (xhr.upload) {
xhr.upload.addEventListener('progress', function(event) {
var percent = 0;
var position = event.loaded || event.position; /*event.position is deprecated*/
var total = event.total;
if (event.lengthComputable) {
percent = Math.ceil(position / total * 100);
def.notify(percent);
}
}, false);
}
return xhr;
}
});
req.done(function(){ def.resolve.apply(def, arguments); })
.fail(function(){ def.reject.apply(def, arguments); });
promise.abort = function(){ return req.abort.apply(req, arguments); }
return promise;
}
var buildMultipart = function(data){
var key, crunks = [], bound = false;
while (!bound) {
bound = $.md5 ? $.md5(new Date().valueOf()) : (new Date().valueOf());
for (key in data) if (~data[key].indexOf(bound)) { bound = false; continue; }
}
for (var key = 0, l = data.length; key < l; key++){
if (typeof(data[key].value) !== "string") {
crunks.push("--"+bound+"\r\n"+
"Content-Disposition: form-data; name=\""+data[key].name+"\"; filename=\""+data[key].value[1]+"\"\r\n"+
"Content-Type: application/octet-stream\r\n"+
"Content-Transfer-Encoding: binary\r\n\r\n"+
data[key].value[0]);
}else{
crunks.push("--"+bound+"\r\n"+
"Content-Disposition: form-data; name=\""+data[key].name+"\"\r\n\r\n"+
data[key].value);
}
}
return {
bound: bound,
data: crunks.join("\r\n")+"\r\n--"+bound+"--"
};
};
//----------
//---------- On submit form:
var form = $("form");
var $file = form.find("#file");
readFile($file[0].files[0]).done(function(fileData){
var formData = form.find(":input:not('#file')").serializeArray();
formData.file = [fileData, $file[0].files[0].name];
upload(form.attr("action"), formData).done(function(){ alert("successfully uploaded!"); });
});
With FormData API you just have to add all fields of your form to FormData object and send it via $.ajax({ url: url, data: formData, processData: false, contentType: false, type:"POST"})
It looks like derivedFactor
from the mosaic
package was designed for this. In this example, it would look something like:
library(mosaic)
myfile <- mutate(myfile, V5 = derivedFactor(
"1" = (V1==1 & V2!=4),
"2" = (V2==4 & V3!=1),
.method = "first",
.default = 0
))
(If you want the outcome to be numeric instead of a factor, wrap the derivedFactor
with an as.numeric
.)
Note that the .default
option combined with .method = "first"
sets the "else" condition -- this approach is described in the help file for derivedFactor
.
For installing pip with get-pip.py behind a proxy I went with the steps below. My server was even behind a jump server.
From the jump server:
ssh -R 18080:proxy-server:8080 my-python-server
On the "python-server"
export https_proxy=https://localhost:18080 ; export http_proxy=http://localhost:18080 ; export ftp_proxy=$http_proxy
python get-pip.py
Success.
If you have short strings you should be able to create a few LIKE patterns ('[^a-zA-Z0-9]'
, '[^a-zA-Z0-9][^a-zA-Z0-9]'
, ...) to match strings of different length. Otherwise you should use CLR user defined function and a proper regular expression - Regular Expressions Make Pattern Matching And Data Extraction Easier.
Try this expression:
typeof(variable) != "undefined" && variable !== null
This will be true if the variable is defined and not null, which is the equivalent of how PHP's isset works.
You can use it like this:
if(typeof(variable) != "undefined" && variable !== null) {
bla();
}
You can simply do it by using:
Object.prototype.extend = function(object) {
// loop through object
for (var i in object) {
// check if the extended object has that property
if (object.hasOwnProperty(i)) {
// mow check if the child is also and object so we go through it recursively
if (typeof this[i] == "object" && this.hasOwnProperty(i) && this[i] != null) {
this[i].extend(object[i]);
} else {
this[i] = object[i];
}
}
}
return this;
};
update: I checked for
this[i] != null
sincenull
is an object
Then use it like:
var options = {
foo: 'bar',
baz: 'dar'
}
var defaults = {
foo: false,
baz: 'car',
nat: 0
}
defaults.extend(options);
This well result in:
// defaults will now be
{
foo: 'bar',
baz: 'dar',
nat: 0
}
Here is the code little modified that i got it from google -
List data_table = new ArrayList<>();
Class.forName("oracle.jdbc.driver.OracleDriver");
con = DriverManager.getConnection(conn_url, user_id, password);
Statement stmt = con.createStatement();
System.out.println("query_string: "+query_string);
ResultSet rs = stmt.executeQuery(query_string);
ResultSetMetaData rsmd = rs.getMetaData();
int row_count = 0;
while (rs.next()) {
HashMap<String, String> data_map = new HashMap<>();
if (row_count == 240001) {
break;
}
for (int i = 1; i <= rsmd.getColumnCount(); i++) {
data_map.put(rsmd.getColumnName(i), rs.getString(i));
}
data_table.add(data_map);
row_count = row_count + 1;
}
rs.close();
stmt.close();
con.close();
The proper data type for "2010-12-20 00:00:00.0000000" value is DATETIME2(7) / DT_DBTIME2 ().
But used data type for CYCLE_DATE field is DATETIME - DT_DATE. This means milliseconds precision with accuracy down to every third millisecond (yyyy-mm-ddThh:mi:ss.mmL where L can be 0,3 or 7).
The solution is to change CYCLE_DATE date type to DATETIME2 - DT_DBTIME2.
The two errors you have in your code are very different.
The first problem is that you're initializing and populating your Map
in the body of the class without a statement.
You can either have a static Map
and a static {//TODO manipulate Map}
statement in the body of the class, or initialize and populate the Map in a method or in the class' constructor.
The second problem is that you cannot treat a Map
syntactically like an array
, so the statement data["John"] = "Taxi Driver";
should be replaced by data.put("John", "Taxi Driver")
.
If you already have a "John" key in your HashMap
, its value will be replaced with "Taxi Driver".
Use positioning. The following worked for me...
With zoom to the center of the image (image fills the div):
div{
display:block;
overflow:hidden;
width: 70px;
height: 70px;
position: relative;
}
div img{
min-width: 70px;
min-height: 70px;
max-width: 250%;
max-height: 250%;
top: -50%;
left: -50%;
bottom: -50%;
right: -50%;
position: absolute;
}
Without zoom to the center of the image (image does not fill the div):
div{
display:block;
overflow:hidden;
width: 100px;
height: 100px;
position: relative;
}
div img{
width: 70px;
height: 70px;
top: 50%;
left: 50%;
bottom: 50%;
right: 50%;
position: absolute;
}
exit code 139 (people say this means memory fragmentation)
No, it means that your program died with signal 11
(SIGSEGV
on Linux and most other UNIXes), also known as segmentation fault
.
Could anybody tell me why the run fails but debug doesn't?
Your program exhibits undefined behavior, and can do anything (that includes appearing to work correctly sometimes).
Your first step should be running this program under Valgrind, and fixing all errors it reports.
If after doing the above, the program still crashes, then you should let it dump core (ulimit -c unlimited; ./a.out
) and then analyze that core dump with GDB: gdb ./a.out core
; then use where
command.
If you want ot know what is the directory where your solution is located, you need to do this:
var parent = Directory.GetParent(Directory.GetCurrentDirectory()).Parent;
if (parent != null)
{
var directoryInfo = parent.Parent;
string startDirectory = null;
if (directoryInfo != null)
{
startDirectory = directoryInfo.FullName;
}
if (startDirectory != null)
{ /*Do whatever you want "startDirectory" variable*/}
}
If you let only with GetCurrrentDirectory()
method, you get the build folder no matter if you are debugging or releasing. I hope this help! If you forget about validations it would be like this:
var startDirectory = Directory.GetParent(Directory.GetCurrentDirectory()).Parent.Parent.FullName;
You can use the x
descriptor of the srcset
attribute as such:
<!-- Original image -->
<img src="https://fr.wikipedia.org/static/images/mobile/copyright/wikipedia.png" />
<!-- With a 80% size reduction (1/0.8=1.25) -->
<img srcset="https://fr.wikipedia.org/static/images/mobile/copyright/wikipedia.png 1.25x" />
<!-- With a 50% size reduction (1/0.5=2) -->
<img srcset="https://fr.wikipedia.org/static/images/mobile/copyright/wikipedia.png 2x" />
_x000D_
Currently supported by all browsers except IE. (caniuse)
In short, there is no simpler way. You need to make another server request to show PDF file. Al though, there are few alternatives but they are not perfect and won't work on all browsers:
Your example is as concise as it gets with the switch
construct.
If you are looking to just repopulate the fields with the values that were posted in them, then just echo the post value back into the field, like so:
<input type="text" name="myField1" value="<?php echo isset($_POST['myField1']) ? $_POST['myField1'] : '' ?>" />
If this is in a class property you could do it in the setter:
public class FooClass
{
private string foo;
public string Foo
{
get { return foo; }
set
{
if(!string.IsNullOrEmpty(value) && value.Length>5)
{
foo=value.Substring(0,5);
}
else
foo=value;
}
}
}
Secure commands will not allow this, and rightly so, I'm afraid - it's a security hole you could drive a truck through.
If your command does not allow it using input redirection, or a command-line parameter, or a configuration file, then you're going to have to resort to serious trickery.
Some applications will actually open up /dev/tty
to ensure you will have a hard time defeating security. You can get around them by temporarily taking over /dev/tty
(creating your own as a pipe, for example) but this requires serious privileges and even it can be defeated.
For me the Anonymous User access was fine at the server level, but varied at just one of my "virtual" folders.
Took me quite a bit of foundering about and then some help from a colleague to learn that IIS has "authentication" settings at the virtual folder level too - hopefully this helps someone else with my predicament.
Simple functions,
function Encrypt(value)
{
var result="";
for(i=0;i<value.length;i++)
{
if(i<value.length-1)
{
result+=value.charCodeAt(i)+10;
result+="-";
}
else
{
result+=value.charCodeAt(i)+10;
}
}
return result;
}
function Decrypt(value)
{
var result="";
var array = value.split("-");
for(i=0;i<array.length;i++)
{
result+=String.fromCharCode(array[i]-10);
}
return result;
}
You can be explicit about the joins:
SELECT Table1.Col1, Table1.Col2, Table1.Col3, Table2.Col4
FROM Table1 INNER JOIN
Table2
ON (Table1.Col1 = Table2.Col1 or Table1.Col1 is NULL and Table2.Col1 is NULL) AND
(Table1.Col2 = Table2.Col2 or Table1.Col2 is NULL and Table2.Col2 is NULL)
In practice, I would be more likely to use coalesce()
in the join condition:
SELECT Table1.Col1, Table1.Col2, Table1.Col3, Table2.Col4
FROM Table1 INNER JOIN
Table2
ON (coalesce(Table1.Col1, '') = coalesce(Table2.Col1, '')) AND
(coalesce(Table1.Col2, '') = coalesce(Table2.Col2, ''))
Where ''
would be a value not in either of the tables.
Just a word of caution. In most databases, using any of these constructs prevents the use of indexes.
I don't think you should use either of the methods in the question as they're both confusing, and the second one is fragile as Mehrdad suggests.
I would advocate the following, as it looks like a standard library function and makes its intention clear:
#include <iterator>
template <class RandomIt>
void reverse_sort(RandomIt first, RandomIt last)
{
std::sort(first, last,
std::greater<typename std::iterator_traits<RandomIt>::value_type>());
}
Best way is use Empty
Dim i as Integer
For i = 1 to 1000
If CPT_DB.Cells(i, 1) > 100 Then
CPT_DB.Cells(i, 2) = CPT_DB.Cells(i, 1)
Else
CPT_DB.Cells(i, 2) = Empty //**********************
End If
Next i
I am describing a simple method which worked very smoothly in Python (Django Framework).
1. While sending the request, send the request like this
http://server/action?id=a,b
2. Now in my backend, I split the value received with a split function which always creates a list.
id_filter = id.split(',')
Example: So if I send two values in the request,
http://server/action?id=a,b
then the filter on the data is
id_filter = ['a', 'b']
If I send only one value in the request,
http://server/action?id=a
then the filter outcome is
id_filter = ['a']
3. To actually filter the data, I simply use the 'in' function
queryset = queryset.filter(model_id__in=id_filter)
which roughly speaking performs the SQL equivalent of
WHERE model_id IN ('a', 'b')
with the first request and,
WHERE model_id IN ('a')
with the second request.
This would work with more than 2 parameter values in the request as well !
Ultimately was able to figure it out , i just hope it will help someone like me.
Following is how the web pack config file should look like
check the dist dir and output file specified. I was missing the way to specify the path of dist directory
const webpack = require('webpack');
const path = require('path');
var config = {
entry: './main.js',
output: {
path: path.join(__dirname, '/dist'),
filename: 'index.js',
},
devServer: {
inline: true,
port: 8080
},
resolveLoader: {
modules: [path.join(__dirname, 'node_modules')]
},
module: {
loaders: [
{
test: /\.jsx?$/,
exclude: /node_modules/,
loader: 'babel-loader',
query: {
presets: ['es2015', 'react']
}
}
]
},
}
module.exports = config;
Then the package json file
{
"name": "reactapp",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"start": "webpack --progress",
"production": "webpack -p --progress"
},
"author": "",
"license": "ISC",
"dependencies": {
"react": "^15.4.2",
"react-dom": "^15.4.2",
"webpack": "^2.2.1"
},
"devDependencies": {
"babel-core": "^6.0.20",
"babel-loader": "^6.0.1",
"babel-preset-es2015": "^6.0.15",
"babel-preset-react": "^6.0.15",
"babel-preset-stage-0": "^6.0.15",
"express": "^4.13.3",
"webpack": "^1.9.6",
"webpack-devserver": "0.0.6"
}
}
Notice the script section and production section, production section is what gives you the final deployable index.js file ( name can be anything )
Rest fot the things will depend upon your code and components
Execute following sequence of commands
npm install
this should get you all the dependency (node modules)
then
npm run production
this should get you the final index.js
file which will contain all the code bundled
Once done place index.html
and index.js
files under www/html or the web app root directory and that's all.
I believe the good way it to do:
$('#id').append('<a id="#subid" href="#">...</a>');
$('#subid').click( close_link );
If you are trying to import external fonts you face one of the most common problem with your Firefox and other browser. Some time your font working well in google Chrome or one of the other browser but not in every browser.
There have lots of reason for this type of error one of the biggest reason behind this problem is previous per-defined font. You need to add !important keyword after end of your each line of CSS code as below:
Example:
@font-face
{
font-family:"Hacen Saudi Arabia" !important;
src:url("../font/Hacen_Saudi_Arabia.eot?") format("eot") !important;
src:url("../font/Hacen_Saudi_Arabia.woff") format("woff") !important;
src: url("../font/Hacen_Saudi_Arabia.ttf") format("truetype") !important;
src:url("../font/Hacen_Saudi_Arabia.svg#HacenSaudiArabia") format("svg") !important;
}
.sample
{
font-family:"Hacen Saudi Arabia" !important;
}
Description: Enter above code in your CSS file or code here. In above example replace "Hacen Saudi Arabia" with your font-family and replace url as per your font directory.
If you enter !important in your css code browser automatically focus on this section and override previously used property. For More details visit: https://answerdone.blogspot.com/2017/06/font-face-not-working-solution.html
$fruits = array (
"fruits" => array("a" => "Orange", "b" => "Banana", "c" => "Apple"),
"numbers" => array(1, 2, 3, 4, 5, 6),
"holes" => array("first", 5 => "second", "third")
);
echo $fruits["fruits"]["b"]
outputs 'Banana'
You don't need to go level up and use ..
since all buttons are on the same level:
//button[contains(.,'Arcade Reader')]/preceding-sibling::button[@name='settings']
For pyautogui users:
import pyautogui
screenshot = pyautogui.screenshot()
Modern browsers allow cross-domain AJAX queries, it's called Cross-Origin Resource Sharing (see also this document for a shorter and more practical introduction), and recent versions of jQuery support it out of the box; you need a relatively recent browser version though (FF3.5+, IE8+, Safari 4+, Chrome4+; no Opera support AFAIK).
One of many reasons is xampp cannot start MySQL service by itself. Everything you need to do is run mySQL service manually.
First, make sure that 'mysqld.exe' is not running, if have, end it. (go to Task Manager > Progresses Tab > right click 'mysqld.exe' > end task)
Open your services.msc by Run (press 'Window + R') > services.msc or 0n your XAMPP ControlPanel, click 'Services' button. Find 'MySQL' service, right click and run it.
Your username shouldn't be an email address, but your GitHub user account: pete
.
And your password should be your GitHub account password.
You actually can set your username directly in the remote url, in order for Git to request only your password:
cd C:\Users\petey_000\rails_projects\first_app
git remote set-url origin https://[email protected]/pete/first_app
And you need to create the fist_app
repo on GitHub first: make sure to create it completely empty, or, if you create it with an initial commit (including a README.md
, a license file and a .gitignore
file), then do a git pull first, before making your git push
.
You can use rename_axis
, for removing set to None
:
d = {'Index Title': ['Apples', 'Oranges', 'Puppies', 'Ducks'],'Column 1': [1.0, 2.0, 3.0, 4.0]}
df = pd.DataFrame(d).set_index('Index Title')
print (df)
Column 1
Index Title
Apples 1.0
Oranges 2.0
Puppies 3.0
Ducks 4.0
print (df.index.name)
Index Title
print (df.columns.name)
None
The new functionality works well in method chains.
df = df.rename_axis('foo')
print (df)
Column 1
foo
Apples 1.0
Oranges 2.0
Puppies 3.0
Ducks 4.0
You can also rename column names with parameter axis
:
d = {'Index Title': ['Apples', 'Oranges', 'Puppies', 'Ducks'],'Column 1': [1.0, 2.0, 3.0, 4.0]}
df = pd.DataFrame(d).set_index('Index Title').rename_axis('Col Name', axis=1)
print (df)
Col Name Column 1
Index Title
Apples 1.0
Oranges 2.0
Puppies 3.0
Ducks 4.0
print (df.index.name)
Index Title
print (df.columns.name)
Col Name
print df.rename_axis('foo').rename_axis("bar", axis="columns")
bar Column 1
foo
Apples 1.0
Oranges 2.0
Puppies 3.0
Ducks 4.0
print df.rename_axis('foo').rename_axis("bar", axis=1)
bar Column 1
foo
Apples 1.0
Oranges 2.0
Puppies 3.0
Ducks 4.0
From version pandas 0.24.0+
is possible use parameter index
and columns
:
df = df.rename_axis(index='foo', columns="bar")
print (df)
bar Column 1
foo
Apples 1.0
Oranges 2.0
Puppies 3.0
Ducks 4.0
Removing index and columns names means set it to None
:
df = df.rename_axis(index=None, columns=None)
print (df)
Column 1
Apples 1.0
Oranges 2.0
Puppies 3.0
Ducks 4.0
If MultiIndex
in index only:
mux = pd.MultiIndex.from_arrays([['Apples', 'Oranges', 'Puppies', 'Ducks'],
list('abcd')],
names=['index name 1','index name 1'])
df = pd.DataFrame(np.random.randint(10, size=(4,6)),
index=mux,
columns=list('ABCDEF')).rename_axis('col name', axis=1)
print (df)
col name A B C D E F
index name 1 index name 1
Apples a 5 4 0 5 2 2
Oranges b 5 8 2 5 9 9
Puppies c 7 6 0 7 8 3
Ducks d 6 5 0 1 6 0
print (df.index.name)
None
print (df.columns.name)
col name
print (df.index.names)
['index name 1', 'index name 1']
print (df.columns.names)
['col name']
df1 = df.rename_axis(('foo','bar'))
print (df1)
col name A B C D E F
foo bar
Apples a 5 4 0 5 2 2
Oranges b 5 8 2 5 9 9
Puppies c 7 6 0 7 8 3
Ducks d 6 5 0 1 6 0
df2 = df.rename_axis('baz', axis=1)
print (df2)
baz A B C D E F
index name 1 index name 1
Apples a 5 4 0 5 2 2
Oranges b 5 8 2 5 9 9
Puppies c 7 6 0 7 8 3
Ducks d 6 5 0 1 6 0
df2 = df.rename_axis(index=('foo','bar'), columns='baz')
print (df2)
baz A B C D E F
foo bar
Apples a 5 4 0 5 2 2
Oranges b 5 8 2 5 9 9
Puppies c 7 6 0 7 8 3
Ducks d 6 5 0 1 6 0
Removing index and columns names means set it to None
:
df2 = df.rename_axis(index=(None,None), columns=None)
print (df2)
A B C D E F
Apples a 6 9 9 5 4 6
Oranges b 2 6 7 4 3 5
Puppies c 6 3 6 3 5 1
Ducks d 4 9 1 3 0 5
For MultiIndex
in index and columns is necessary working with .names
instead .name
and set by list or tuples:
mux1 = pd.MultiIndex.from_arrays([['Apples', 'Oranges', 'Puppies', 'Ducks'],
list('abcd')],
names=['index name 1','index name 1'])
mux2 = pd.MultiIndex.from_product([list('ABC'),
list('XY')],
names=['col name 1','col name 2'])
df = pd.DataFrame(np.random.randint(10, size=(4,6)), index=mux1, columns=mux2)
print (df)
col name 1 A B C
col name 2 X Y X Y X Y
index name 1 index name 1
Apples a 2 9 4 7 0 3
Oranges b 9 0 6 0 9 4
Puppies c 2 4 6 1 4 4
Ducks d 6 6 7 1 2 8
Plural is necessary for check/set values:
print (df.index.name)
None
print (df.columns.name)
None
print (df.index.names)
['index name 1', 'index name 1']
print (df.columns.names)
['col name 1', 'col name 2']
df1 = df.rename_axis(('foo','bar'))
print (df1)
col name 1 A B C
col name 2 X Y X Y X Y
foo bar
Apples a 2 9 4 7 0 3
Oranges b 9 0 6 0 9 4
Puppies c 2 4 6 1 4 4
Ducks d 6 6 7 1 2 8
df2 = df.rename_axis(('baz','bak'), axis=1)
print (df2)
baz A B C
bak X Y X Y X Y
index name 1 index name 1
Apples a 2 9 4 7 0 3
Oranges b 9 0 6 0 9 4
Puppies c 2 4 6 1 4 4
Ducks d 6 6 7 1 2 8
df2 = df.rename_axis(index=('foo','bar'), columns=('baz','bak'))
print (df2)
baz A B C
bak X Y X Y X Y
foo bar
Apples a 2 9 4 7 0 3
Oranges b 9 0 6 0 9 4
Puppies c 2 4 6 1 4 4
Ducks d 6 6 7 1 2 8
Removing index and columns names means set it to None
:
df2 = df.rename_axis(index=(None,None), columns=(None,None))
print (df2)
A B C
X Y X Y X Y
Apples a 2 0 2 5 2 0
Oranges b 1 7 5 5 4 8
Puppies c 2 4 6 3 6 5
Ducks d 9 6 3 9 7 0
And @Jeff solution:
df.index.names = ['foo','bar']
df.columns.names = ['baz','bak']
print (df)
baz A B C
bak X Y X Y X Y
foo bar
Apples a 3 4 7 3 3 3
Oranges b 1 2 5 8 1 0
Puppies c 9 6 3 9 6 3
Ducks d 3 2 1 0 1 0
Use android:backgroundTint=""
in your EditText
xml layout.
For api<21 you can use AppCompatEditText
from support library thenapp:backgroundTint=""
Modifying Ben's query little bit,
select count(distinct switch_id)
from [email protected]
where dealer_name = 'XXXX'
and creation_date between add_months(trunc(sysdate,'mm'),-1) and last_day(add_months(trunc(sysdate,'mm'),-1))
As stated here: https://superuser.com/a/912281/607049
You can configure it per-repo:
git config core.sshCommand "ssh -i ~/.ssh/id_rsa_example -F /dev/null"
git pull
git push
You can just say
callback();
Alternately you can use the call
method if you want to adjust the value of this
within the callback.
callback.call( newValueForThis);
Inside the function this
would be whatever newValueForThis
is.
The best solution that i found for myself
SimpleDateFormat("XXX", Locale.getDefault()).format(System.currentTimeMillis())
+03:00
You can try to change pattern (the "xxx" string) to get the result you want, for example:
SimpleDateFormat("XX", Locale.getDefault()).format(System.currentTimeMillis())
+0300
SimpleDateFormat("X", Locale.getDefault()).format(System.currentTimeMillis())
+03
Pattern can also apply another letters and the result will be different
SimpleDateFormat("Z", Locale.getDefault()).format(System.currentTimeMillis())
+0300
More about this you can find here: https://developer.android.com/reference/java/text/SimpleDateFormat.html
This may help you to reset your sa password for SQL 2008 and 2012
EXEC sp_password NULL, 'yourpassword', 'sa'
With either string concatenation or string interpolation (via template literals).
Here with JavaScript template literal:
function geoPreview() {
var lat = document.getElementById("lat").value;
var long = document.getElementById("long").value;
window.location.href = `http://www.gorissen.info/Pierre/maps/googleMapLocation.php?lat=${lat}&lon=${long}&setLatLon=Set`;
}
Both parameters are unused and can be removed.
Join strings with the +
operator:
window.location.href = "http://www.gorissen.info/Pierre/maps/googleMapLocation.php?lat=" + elemA + "&lon=" + elemB + "&setLatLon=Set";
For more concise code, use JavaScript template literals to replace expressions with their string representations.
Template literals are enclosed by ``
and placeholders surrounded with ${}
:
window.location.href = `http://www.gorissen.info/Pierre/maps/googleMapLocation.php?lat=${elemA}&lon=${elemB}&setLatLon=Set`;
Template literals are available since ECMAScript 2015 (ES6).
For Oracle Java applications, add this after the ObjectMapper
instantiation:
mapper.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);
This should do the work:
.category_table tr:first-child td {
vertical-align: top;
}
To convert a string to lower case in Python, use something like this.
list.append(sentence.lower())
I found this in the first result after searching for "python upper to lower case".
Styling the arrow & the checkbox colors.
I haven't seen any answer deal with the arrow colors, so I thought I might add this for those wanting to also style the arrow inside the checkbox. I'm not suggesting to do these things, it's just for demo purposes.
.checkbox-label {
display: block;
position: relative;
margin: auto;
cursor: pointer;
font-size: 22px;
line-height: 24px;
height: 24px;
width: 24px;
clear: both;
}
.checkbox-label input {
position: absolute;
opacity: 0;
cursor: pointer;
}
.checkbox-label .checkbox-custom {
position: absolute;
top: 0px;
left: 0px;
height: 24px;
width: 24px;
background-color: transparent;
border-radius: 5px;
transition: all 0.3s ease-out;
-webkit-transition: all 0.3s ease-out;
-moz-transition: all 0.3s ease-out;
-ms-transition: all 0.3s ease-out;
-o-transition: all 0.3s ease-out;
border: 2px solid #000;
}
.checkbox-label input:checked ~ .checkbox-custom {
background-color: #FFEA00;
border-radius: 5px;
-webkit-transform: rotate(0deg) scale(1);
-ms-transform: rotate(0deg) scale(1);
transform: rotate(0deg) scale(1);
opacity:1;
border: 2px solid #000;
}
.checkbox-label .checkbox-custom::after {
position: absolute;
content: "";
left: 12px;
top: 12px;
height: 0px;
width: 0px;
border-radius: 5px;
border: solid #000;
border-width: 0 3px 3px 0;
-webkit-transform: rotate(0deg) scale(0);
-ms-transform: rotate(0deg) scale(0);
transform: rotate(0deg) scale(0);
opacity:1;
transition: all 0.3s ease-out;
-webkit-transition: all 0.3s ease-out;
-moz-transition: all 0.3s ease-out;
-ms-transition: all 0.3s ease-out;
-o-transition: all 0.3s ease-out;
}
.checkbox-label input:checked ~ .checkbox-custom::after {
-webkit-transform: rotate(45deg) scale(1);
-ms-transform: rotate(45deg) scale(1);
transform: rotate(45deg) scale(1);
opacity:1;
left: 8px;
top: 3px;
width: 6px;
height: 12px;
border: solid #000000;
border-width: 0 2px 2px 0;
background-color: transparent;
border-radius: 0;
}
_x000D_
<div class="checkbox-container">
<label class="checkbox-label">
<input type="checkbox">
<span class="checkbox-custom"></span>
</label>
</div>
_x000D_
It's possible to do this without using extra JS code using the data-collapse and data-target attributes on the a link.
e.g.
<a class="btn" data-toggle="collapse" data-target="#viewdetails">View details »</a>
// Make option have a "selected" attribute using jQuery
var yourValue = "Gateway 2";
$("#gate").find('option').each(function( i, opt ) {
if( opt.value === yourValue )
$(opt).attr('selected', 'selected');
});
It's part of an evolution.
Originally, Python items()
built a real list of tuples and returned that. That could potentially take a lot of extra memory.
Then, generators were introduced to the language in general, and that method was reimplemented as an iterator-generator method named iteritems()
. The original remains for backwards compatibility.
One of Python 3’s changes is that items()
now return views, and a list
is never fully built. The iteritems()
method is also gone, since items()
in Python 3 works like viewitems()
in Python 2.7.
ALTER TABLE `ALLITEMS`
CHANGE COLUMN `itemid` `itemid` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT;
In the action method of the request to the url "http://localhost:85458/api/ctrl/"
var baseUrl = Request.RequestUri.GetLeftPart(UriPartial.Authority) ;
this will get you http://localhost:85458
To create a new screen with the name foo
, use
screen -S foo
Then to reattach it, run
screen -r foo # or use -x, as in
screen -x foo # for "Multi display mode" (see the man page)
Was able to fix the issue by updating NVIDIA device drivers to the latest (v446.14). NVIDIA drivers download link here.
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button rtn = (Button)findViewById(R.id.button);
EditText edit_text = (EditText)findViewById(R.id.edittext1);
rtn .setOnClickListener(
new View.OnClickListener()
{
public void onClick(View view)
{
Log.v("EditText value=", edit_text.getText().toString());
}
});
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Reflection;
using Microsoft.Office.Interop.Excel;
namespace trg.satmap.portal.ParseAgentSkillMapping
{
class ConvertXLStoDT
{
private StringBuilder errorMessages;
public StringBuilder ErrorMessages
{
get { return errorMessages; }
set { errorMessages = value; }
}
public ConvertXLStoDT()
{
ErrorMessages = new StringBuilder();
}
public System.Data.DataTable XLStoDTusingInterOp(string FilePath)
{
#region Excel important Note.
/*
* Excel creates XLS and XLSX files. These files are hard to read in C# programs.
* They are handled with the Microsoft.Office.Interop.Excel assembly.
* This assembly sometimes creates performance issues. Step-by-step instructions are helpful.
*
* Add the Microsoft.Office.Interop.Excel assembly by going to Project -> Add Reference.
*/
#endregion
Microsoft.Office.Interop.Excel.Application excelApp = null;
Microsoft.Office.Interop.Excel.Workbook workbook = null;
System.Data.DataTable dt = new System.Data.DataTable(); //Creating datatable to read the content of the Sheet in File.
try
{
excelApp = new Microsoft.Office.Interop.Excel.Application(); // Initialize a new Excel reader. Must be integrated with an Excel interface object.
//Opening Excel file(myData.xlsx)
workbook = excelApp.Workbooks.Open(FilePath, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value);
Microsoft.Office.Interop.Excel.Worksheet ws = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Sheets.get_Item(1);
Microsoft.Office.Interop.Excel.Range excelRange = ws.UsedRange; //gives the used cells in sheet
ws = null; // now No need of this so should expire.
//Reading Excel file.
object[,] valueArray = (object[,])excelRange.get_Value(Microsoft.Office.Interop.Excel.XlRangeValueDataType.xlRangeValueDefault);
excelRange = null; // you don't need to do any more Interop. Now No need of this so should expire.
dt = ProcessObjects(valueArray);
}
catch (Exception ex)
{
ErrorMessages.Append(ex.Message);
}
finally
{
#region Clean Up
if (workbook != null)
{
#region Clean Up Close the workbook and release all the memory.
workbook.Close(false, FilePath, Missing.Value);
System.Runtime.InteropServices.Marshal.ReleaseComObject(workbook);
#endregion
}
workbook = null;
if (excelApp != null)
{
excelApp.Quit();
}
excelApp = null;
#endregion
}
return (dt);
}
/// <summary>
/// Scan the selected Excel workbook and store the information in the cells
/// for this workbook in an object[,] array. Then, call another method
/// to process the data.
/// </summary>
private void ExcelScanIntenal(Microsoft.Office.Interop.Excel.Workbook workBookIn)
{
//
// Get sheet Count and store the number of sheets.
//
int numSheets = workBookIn.Sheets.Count;
//
// Iterate through the sheets. They are indexed starting at 1.
//
for (int sheetNum = 1; sheetNum < numSheets + 1; sheetNum++)
{
Worksheet sheet = (Worksheet)workBookIn.Sheets[sheetNum];
//
// Take the used range of the sheet. Finally, get an object array of all
// of the cells in the sheet (their values). You can do things with those
// values. See notes about compatibility.
//
Range excelRange = sheet.UsedRange;
object[,] valueArray = (object[,])excelRange.get_Value(XlRangeValueDataType.xlRangeValueDefault);
//
// Do something with the data in the array with a custom method.
//
ProcessObjects(valueArray);
}
}
private System.Data.DataTable ProcessObjects(object[,] valueArray)
{
System.Data.DataTable dt = new System.Data.DataTable();
#region Get the COLUMN names
for (int k = 1; k <= valueArray.GetLength(1); k++)
{
dt.Columns.Add((string)valueArray[1, k]); //add columns to the data table.
}
#endregion
#region Load Excel SHEET DATA into data table
object[] singleDValue = new object[valueArray.GetLength(1)];
//value array first row contains column names. so loop starts from 2 instead of 1
for (int i = 2; i <= valueArray.GetLength(0); i++)
{
for (int j = 0; j < valueArray.GetLength(1); j++)
{
if (valueArray[i, j + 1] != null)
{
singleDValue[j] = valueArray[i, j + 1].ToString();
}
else
{
singleDValue[j] = valueArray[i, j + 1];
}
}
dt.LoadDataRow(singleDValue, System.Data.LoadOption.PreserveChanges);
}
#endregion
return (dt);
}
}
}
Project->maven->Update Project->tick all checkboxes expect offline and error is solved soon.
grep -v
is your friend:
grep --help | grep invert
-v, --invert-match select non-matching lines
Also check out the related -L
(the complement of -l
).
-L, --files-without-match only print FILE names containing no match
Lastly:
print_r($_REQUEST);
That covers most incoming items: PHP.net Manual: $_REQUEST
This is the easiest way and will provide automatic updates.
install homebrew
ruby -e "$(curl -fsSL
https://raw.githubusercontent.com/Homebrew/install/master/install)"
Install adb
brew cask install android-platform-tools
Start using adb
adb devices
There are (more than) three popular ways to use MySQL from PHP. This outlines some features/differences PHP: Choosing an API:
I would recommend using PDO with prepared statements. It is a well-designed API and will let you more easily move to another database (including any that supports ODBC) if necessary.
This class can do the trick, it converts object to standard json .
import json
class Serializer(object):
@staticmethod
def serialize(object):
return json.dumps(object, default=lambda o: o.__dict__.values()[0])
usage:
Serializer.serialize(my_object)
working in python2.7
and python3
.
If there are are no duplicate elements or you don't care about them, then you can use the Set class:
a1 = Set.new [5, 1, 6, 14, 2, 8]
a2 = Set.new [2, 6, 15]
a1.subset?(a2)
=> false
Behind the scenes this uses
all? { |o| set.include?(o) }
You just need to use single quotes:
$ echo "$TEST"
test
$ echo '$TEST'
$TEST
Inside single quotes special characters are not special any more, they are just normal characters.
@Lauren?iu Dascalu's answer explains how / why you get a ClassCastException.
Your exception message looks rather suspicious to me, but it might help you to know that "[Lcom.rsa.authagent.authapi.realmstat.AUTHw" means that the actual type of the object that you were trying to cast was com.rsa.authagent.authapi.realmstat.AUTHw[]
; i.e. it was an array object.
Normally, the next steps to solving a problem like this are:
Jupyter under the WinPython environment has a batch file in the scripts
folder called:
make_working_directory_be_not_winpython.bat
You need to edit the following line in it:
echo WINPYWORKDIR = %%HOMEDRIVE%%%%HOMEPATH%%\Documents\WinPython%%WINPYVER%%\Notebooks>>"%winpython_ini%"
replacing the Documents\WinPython%%WINPYVER%%\Notebooks
part with your folder address.
Notice that the %%HOMEDRIVE%%%%HOMEPATH%%\
part will identify the root and user folders (i.e. C:\Users\your_name\
) which will allow you to point different WinPython installations on separate computers to the same cloud storage folder (e.g. OneDrive) where you could store, access, and work with the same files from different machines. I find that very useful.
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 this error, was able to overcome it by using :
patch -p1 < example.patch
I took it from here: https://www.drupal.org/node/1129120
Here's a solution to your problem using dplyr's filter
function.
Although you can pass your data frame as the first argument to any dplyr function, I've used its %>%
operator, which pipes your data frame to one or more dplyr functions (just filter in this case).
Once you are somewhat familiar with dplyr, the cheat sheet is very handy.
> print(df <- data.frame(sub=rep(1:3, each=4), day=1:4))
sub day
1 1 1
2 1 2
3 1 3
4 1 4
5 2 1
6 2 2
7 2 3
8 2 4
9 3 1
10 3 2
11 3 3
12 3 4
> print(df <- df %>% filter(!((sub==1 & day==2) | (sub==3 & day==4))))
sub day
1 1 1
2 1 3
3 1 4
4 2 1
5 2 2
6 2 3
7 2 4
8 3 1
9 3 2
10 3 3
You can use jQuery UI and do something like this
Html:
<button id="callConfirm">Confirm!</button>
<div id="dialog" title="Confirmation Required">
Are you sure about this?
</div>?
Javascript:
$("#dialog").dialog({
autoOpen: false,
modal: true,
buttons : {
"Confirm" : function() {
alert("You have confirmed!");
},
"Cancel" : function() {
$(this).dialog("close");
}
}
});
$("#callConfirm").on("click", function(e) {
e.preventDefault();
$("#dialog").dialog("open");
});
?
What I would do is use this tool and step through where you are getting the exception
Read this it will tell you how to create PDB's so you do not have to have all your references setup.
http://www.cplotts.com/2011/01/14/net-reflector-pro-debugging-the-net-framework-source-code/
It is a trial and I am not related to redgate at all I just use there software.
You Should know about "this" Keyword.
As per my view you can implement "this" in three ways (Self/Arrow function/Bind Method)
A function's this keyword behaves a little differently in JavaScript compared to other languages.
It also has some differences between strict mode and non-strict mode.
In most cases, the value of this is determined by how a function is called.
It can't be set by assignment during execution, and it may be different each time the function is called.
ES5 introduced the bind() method to set the value of a function's this regardless of how it's called,
and ES2015 introduced arrow functions which don't provide their own this binding (it retains this value of the enclosing lexical context).
Method1: Self - Self is being used to maintain a reference to the original this even as the context is changing. It's a technique often used in event handlers (especially in closures).
Reference : https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/this
function MyConstructor(data, transport) {
this.data = data;
var self = this;
transport.on('data', function () {
alert(self.data);
});
}
Method2: Arrow function - An arrow function expression is a syntactically compact alternative to a regular function expression,
although without its own bindings to the this, arguments, super, or new.target keywords.
Arrow function expressions are ill-suited as methods, and they cannot be used as constructors.
Reference: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions
function MyConstructor(data, transport) {
this.data = data;
transport.on('data',()=> {
alert(this.data);
});
}
Method3:Bind- The bind() method creates a new function that,
when called, has its this keyword set to the provided value,
with a given sequence of arguments preceding any provided when the new function is called.
Reference: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_objects/Function/bind
function MyConstructor(data, transport) {
this.data = data;
transport.on('data',(function() {
alert(this.data);
}).bind(this);
try {
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder()
.url(urls[0])
.build();
Response responses = null;
try {
responses = client.newCall(request).execute();
} catch (IOException e) {
e.printStackTrace();
}
String jsonData = responses.body().string();
JSONObject Jobject = new JSONObject(jsonData);
JSONArray Jarray = Jobject.getJSONArray("employees");
for (int i = 0; i < Jarray.length(); i++) {
JSONObject object = Jarray.getJSONObject(i);
}
}
Example add to your columns:
JCol employees = new employees();
colums.Setid(object.getInt("firstName"));
columnlist.add(lastName);
Ok so i found out the problem :)
ctrl+alt+delete to start task manager, once you get to task manager go to services. find MySQL and right click on it. Then click stop process. That worked for me and i hope it works for you :D
C# 1.0 with Visual Studio.NET
C# 2.0 with Visual Studio 2005
C# 3.0 with Visual Studio 2008
C# 4.0 with Visual Studio 2010
C# 5.0 with Visual Studio 2012
C# 6.0 with Visual Studio 2015
C# 7.0 with Visual Studio 2017
C# 8.0 with Visual Studio 2019
With
def person = new Person("Kumar", 12)
you are defining a function/lazy variable which always returns a new Person instance with name "Kumar" and age 12. This is totally valid and the compiler has no reason to complain. Calling person.age will return the age of this newly created Person instance, which is always 12.
When writing
person.age = 45
you assign a new value to the age property in class Person, which is valid since age is declared as var
. The compiler will complain if you try to reassign person
with a new Person object like
person = new Person("Steve", 13) // Error
The shield icon that is being mentioned was not in the sidebar for me either, however I solved it doing the following:
Find the shield icon located in the far right of the URL input bar,
Once clicked, the following popup should appear wherein you can click Load unsafe scripts,
That should result in a page refresh and the scripts should start working. What used to be an error,
is now merely a warning,
OS: Windows 10
Chrome Version: 76.0.3809.132 (Official Build) (64-bit)
Edit #1
On version 66.0.3359.117, the shield icon is still available:
Notice how the popup design has changed, so this is Chrome on version 66.0.3359.117.
Note: The shield icon will only appear when you try to load insecure content (content from http
) while on https
.
I actually found the right command to use.. its called timeout: http://www.ss64.com/nt/timeout.html
My issue got resolved with the help of following steps:
For gradle 3.0.0 and above version
Or even just
git version
Results in something like
git version 1.8.3.msysgit.0
<StackPanel VerticalAlignment="Top">
<Menu Width="Auto" Height="20">
<MenuItem Header="_File">
<MenuItem x:Name="AppExit" Header="E_xit" HorizontalAlignment="Left" Width="140" Click="AppExit_Click"/>
</MenuItem>
<MenuItem Header="_Tools">
<MenuItem x:Name="Options" Header="_Options" HorizontalAlignment="Left" Width="140"/>
</MenuItem>
<MenuItem Header="_Help">
<MenuItem x:Name="About" Header="&About" HorizontalAlignment="Left" Width="140"/>
</MenuItem>
</Menu>
<Label Content="Label"/>
</StackPanel>
You can do:
User.find_or_create_by(first_name: 'Penélope', last_name: 'Lopez')
User.where(first_name: 'Penélope', last_name: 'Lopez').first_or_create
Or to just initialize:
User.find_or_initialize_by(first_name: 'Penélope', last_name: 'Lopez')
User.where(first_name: 'Penélope', last_name: 'Lopez').first_or_initialize
According to this post, it's much better now:
// pick out one album
JObject jalbum = albums[0] as JObject;
// Copy to a static Album instance
Album album = jalbum.ToObject<Album>();
Documentation: Convert JSON to a Type
I reworked the example you provided in the js fiddle : http://jsfiddle.net/zravs3hp/
I renamed your container
div to overlay
, as semantically this div is not a container, but an overlay. I also placed the loader div as a child of this overlay div.
The resulting html is :
<div class="overlay">
<div id="loading-img"></div>
</div>
<div class="content">
<div>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ea velit provident sint aliquid eos omnis aperiam officia architecto error incidunt nemo obcaecati adipisci doloremque dicta neque placeat natus beatae cupiditate minima ipsam quaerat explicabo non reiciendis qui sit. ...</div>
<button id="button">Submit</button>
</div>
The css of the overlay is the following
.overlay {
background: #e9e9e9; <- I left your 'gray' background
display: none; <- Not displayed by default
position: absolute; <- This and the following properties will
top: 0; make the overlay, the element will expand
right: 0; so as to cover the whole body of the page
bottom: 0;
left: 0;
opacity: 0.5;
}
I added some dummy text so as to have something to overlay.
Then, in the click
handler we just need to show the overlay :
$("#button").click(function () {
$(".overlay").show();
});
Remember that the US date format is different from the UK. Using the UK format, it needs to be, e.g.
-- dd/mm/ccyy hh:mm:ss
dbo.no_time(at.date_stamp) between '22/05/2016 00:00:01' and '22/07/2016 23:59:59'
DROP that table and again run Spring Project. That might help. Sometime you are overriding foreignKey.
You can use the $set syntax if you want to set the value of a document to an arbitrary value. This will either update the value if the attribute already exists on the document or create it if it doesn't. If you need to set a single value in a dictionary like you describe, you can use the dot notation to access child values.
If p is the object retrieved:
existing = p['d']['a']
For pymongo versions < 3.0
db.ProductData.update({
'_id': p['_id']
},{
'$set': {
'd.a': existing + 1
}
}, upsert=False, multi=False)
For pymongo versions >= 3.0
db.ProductData.update_one({
'_id': p['_id']
},{
'$set': {
'd.a': existing + 1
}
}, upsert=False)
However if you just need to increment the value, this approach could introduce issues when multiple requests could be running concurrently. Instead you should use the $inc syntax:
For pymongo versions < 3.0:
db.ProductData.update({
'_id': p['_id']
},{
'$inc': {
'd.a': 1
}
}, upsert=False, multi=False)
For pymongo versions >= 3.0:
db.ProductData.update_one({
'_id': p['_id']
},{
'$inc': {
'd.a': 1
}
}, upsert=False)
This ensures your increments will always happen.
I guess nobody understood the question. I guess what this guy wanted was something like this:
return new (class implements MyInterface {
@Override
public void myInterfaceMethod() { /*do something*/ }
});
because this would allow things like multiple interface implementations:
return new (class implements MyInterface, AnotherInterface {
@Override
public void myInterfaceMethod() { /*do something*/ }
@Override
public void anotherInterfaceMethod() { /*do something*/ }
});
this would be really nice indeed; but that's not allowed in Java.
What you can do is use local classes inside method blocks:
public AnotherInterface createAnotherInterface() {
class LocalClass implements MyInterface, AnotherInterface {
@Override
public void myInterfaceMethod() { /*do something*/ }
@Override
public void anotherInterfaceMethod() { /*do something*/ }
}
return new LocalClass();
}
You can achieve this using exists
:
DELETE
FROM table1
WHERE exists(
SELECT 1
FROM table2
WHERE table2.stn = table1.stn
and table2.jaar = year(table1.datum)
)
This is the correct and tested solution
if (myReader.Read())
{
ltlAdditional.Text = "Contains data";
}
else
{
ltlAdditional.Text = "Is null";
}
If error is like Author=models.ForeignKey(User, related_names='blog_posts') TypeError:init() missing 1 required positional argument:'on_delete'
Then the solution will be like, you have to add one argument Author=models.ForeignKey(User, related_names='blog_posts', on_delete=models.DO_NOTHING)
Kos's answer is almost right, but can have damaging side effects. This is more correct:
#myTable tr td:nth-child(1), #myTable th:nth-child(1) {
display: none;
}
CSS (Cascading Style Sheets) will cascade attributes to all of its children. This means that *:nth-child(1)
will hide the first td
of each tr
AND hide the first element of all td
children. If any of your td
have things like buttons, icons, inputs, or selects, the first one will be hidden (woops!).
Even if you don't currently have things that will be hidden, image your frustration down the road if you need to add one. Don't punish your future self like that, that's going to be a pain to debug!
My answer will only hide the first td
and th
on all tr
in #myTable
keeping your other elements safe.
Better solution is to introduce another interface for async operations. New interface must inherit from original interface.
Example:
interface IIO
{
void DoOperation();
}
interface IIOAsync : IIO
{
Task DoOperationAsync();
}
class ClsAsync : IIOAsync
{
public void DoOperation()
{
DoOperationAsync().GetAwaiter().GetResult();
}
public async Task DoOperationAsync()
{
//just an async code demo
await Task.Delay(1000);
}
}
class Program
{
static void Main(string[] args)
{
IIOAsync asAsync = new ClsAsync();
IIO asSync = asAsync;
Console.WriteLine(DateTime.Now.Second);
asAsync.DoOperation();
Console.WriteLine("After call to sync func using Async iface: {0}",
DateTime.Now.Second);
asAsync.DoOperationAsync().GetAwaiter().GetResult();
Console.WriteLine("After call to async func using Async iface: {0}",
DateTime.Now.Second);
asSync.DoOperation();
Console.WriteLine("After call to sync func using Sync iface: {0}",
DateTime.Now.Second);
Console.ReadKey(true);
}
}
P.S. Redesign your async operations so they return Task instead of void, unless you really must return void.
Simply by the following:
double d = 394.000;
long l = d * 1L;
The previous answer is pretty good, but I also wanted to mention that there is a fixed layout equivalent for grids, you just need to write minmax(0, 1fr)
instead of 1fr
as your track size.
To avoid a lot of complexity I keep track of the current viewController by creating a viewController in the delegate and set it to self inside each viewDidLoad method, this way anytime you load a new view the ViewController held in the delegate will correspond to that view's viewController. This may be ugly, but it works wonderfully, and theres no need to have a navigation controller or any of that nonsense.
The equivalent of offsetHeight and offsetWidth in jQuery is $(window).width(), $(window).height() It's not the clientHeight and clientWidth
use
import tensorflow as tf
print(tf.VERSION)
Currently there's no search support for Docker Registry v2.
There was a long-running thread on the topic. The current plan is to support search with an extension in the end, which should be ready by v2.1.
As a workaround, execute the following on the machine where your registry v2 is running:
> docker exec -it <your_registry_container_id> bash
> ls /var/lib/registry/docker/registry/v2/repositories/
The images are in subdirectories corresponding to their namespace, e.g. jwilder/nginx-proxy
This is almost like the other answer but you don't need a scatter
plot at all, you can simply specify a scatter-plot-like format (fmt
-parameter) for errorbar
:
import matplotlib.pyplot as plt
x = [1, 2, 3, 4]
y = [1, 4, 9, 16]
e = [0.5, 1., 1.5, 2.]
plt.errorbar(x, y, yerr=e, fmt='o')
plt.show()
Result:
A list of the avaiable fmt
parameters can be found for example in the plot
documentation:
character description
'-' solid line style
'--' dashed line style
'-.' dash-dot line style
':' dotted line style
'.' point marker
',' pixel marker
'o' circle marker
'v' triangle_down marker
'^' triangle_up marker
'<' triangle_left marker
'>' triangle_right marker
'1' tri_down marker
'2' tri_up marker
'3' tri_left marker
'4' tri_right marker
's' square marker
'p' pentagon marker
'*' star marker
'h' hexagon1 marker
'H' hexagon2 marker
'+' plus marker
'x' x marker
'D' diamond marker
'd' thin_diamond marker
'|' vline marker
'_' hline marker
You can use the button :
1 - make the text empty
2 - set the background for it
+3 - you can use the selector to more useful and nice button
About the imagebutton you can set the image source and the background the same picture and it must be (*.png) when you do it you can make any design for the button
and for more beauty button use the selector //just Google it ;)
Ya its possible to do without support of javascript..
We can use html5 auto focus attribute
For Example:
<input type="text" name="name" autofocus="autofocus" id="xax" />
If use it (autofocus="autofocus") in text field means that text field get focused when page gets loaded..
For more details:
http://www.hscripts.com/tutorials/html5/autofocus-attribute.html
Ctrl++
or
Ctrl+=
Ctrl+-
This feature is described here:
In text editors, you can now use Zoom In (Ctrl++ or Ctrl+=) and Zoom Out (Ctrl+-) commands to increase and decrease the font size. Like a change in the General > Appearance > Colors and Fonts preference page, the commands persistently change the font size in all editors of the same type. If the editor type's font is configured to use a default font, then that default font will be zoomed.
So, the font size change is not limited to the current file and the new value of the font size is available here Window > Preferences > General > Appearance > Colors and Fonts.
function createDateRangeArray($start, $end) {
// Modified by JJ Geewax
$range = array();
if (is_string($start) === true) $start = strtotime($start);
if (is_string($end) === true ) $end = strtotime($end);
if ($start > $end) return createDateRangeArray($end, $start);
do {
$range[] = date('Y-m-d', $start);
$start = strtotime("+ 1 day", $start);
}
while($start < $end);
return $range;
}
Source: http://boonedocks.net/mike/archives/137-Creating-a-Date-Range-Array-with-PHP.html
The exit()
and quit()
built in functions do just what you want. No import of sys needed.
Alternatively, you can raise SystemExit
, but you need to be careful not to catch it anywhere (which shouldn't happen as long as you specify the type of exception in all your try.. blocks).
You can use <<
to append to a string in-place.
s = "foo"
old_id = s.object_id
s << "bar"
s #=> "foobar"
s.object_id == old_id #=> true
Can I put my method readConfig() into constructor?
Invoking a not overridable method in a constructor is an acceptable approach.
While if the method is only used by the constructor you may wonder if extracting it into a method (even private
) is really required.
If you choose to extract some logic done by the constructor into a method, as for any method you have to choose a access modifier that fits to the method requirement but in this specific case it matters further as protecting the method against the overriding of the method has to be done at risk of making the super class constructor inconsistent.
So it should be private
if it is used only by the constructor(s) (and instance methods) of the class.
Otherwise it should be both package-private
and final
if the method is reused inside the package or in the subclasses.
which would give me benefit of one time calling or is there another mechanism to do that ?
You don't have any benefit or drawback to use this way.
I don't encourage to perform much logic in constructors but in some cases it may make sense to init multiple things in a constructor.
For example the copy constructor may perform a lot of things.
Multiple JDK classes illustrate that.
Take for example the HashMap
copy constructor that constructs a new HashMap
with the same mappings as the specified Map
parameter :
public HashMap(Map<? extends K, ? extends V> m) {
this.loadFactor = DEFAULT_LOAD_FACTOR;
putMapEntries(m, false);
}
final void putMapEntries(Map<? extends K, ? extends V> m, boolean evict) {
int s = m.size();
if (s > 0) {
if (table == null) { // pre-size
float ft = ((float)s / loadFactor) + 1.0F;
int t = ((ft < (float)MAXIMUM_CAPACITY) ?
(int)ft : MAXIMUM_CAPACITY);
if (t > threshold)
threshold = tableSizeFor(t);
}
else if (s > threshold)
resize();
for (Map.Entry<? extends K, ? extends V> e : m.entrySet()) {
K key = e.getKey();
V value = e.getValue();
putVal(hash(key), key, value, false, evict);
}
}
}
Extracting the logic of the map populating in putMapEntries()
is a good thing because it allows :
clone()
and putAll()
use it tooIn my case, I just needed to close my pop-up and redirect the user to his profile page when he clicks "ok" after reading some message I tried with a few hacks, including setTimeout + self.close(), but with IE, this was closing the whole tab...
Solution :
I replaced my link with a simple submit button.
<button type="submit" onclick="window.location.href='profile.html';">buttonText</button>
.
Nothing more.
This may sound stupid, but I didn't think to such a simple solution, since my pop-up did not have any form.
I hope it will help some front-end noobs like me !
Although maven exec does the trick here, I found it pretty poor for a real test. While waiting for maven shell, and hoping this could help others, I finally came out to this repo mvnexec
Clone it, and symlink the script somewhere in your path. I use ~/bin/mvnexec
, as I have ~/bin
in my path. I think mvnexec is a good name for the script, but is up to you to change the symlink...
Launch it from the root of your project, where you can see src and target dirs.
The script search for classes with main method, offering a select to choose one (Example with mavenized JMeld project)
$ mvnexec
1) org.jmeld.ui.JMeldComponent
2) org.jmeld.ui.text.FileDocument
3) org.jmeld.JMeld
4) org.jmeld.util.UIDefaultsPrint
5) org.jmeld.util.PrintProperties
6) org.jmeld.util.file.DirectoryDiff
7) org.jmeld.util.file.VersionControlDiff
8) org.jmeld.vc.svn.InfoCmd
9) org.jmeld.vc.svn.DiffCmd
10) org.jmeld.vc.svn.BlameCmd
11) org.jmeld.vc.svn.LogCmd
12) org.jmeld.vc.svn.CatCmd
13) org.jmeld.vc.svn.StatusCmd
14) org.jmeld.vc.git.StatusCmd
15) org.jmeld.vc.hg.StatusCmd
16) org.jmeld.vc.bzr.StatusCmd
17) org.jmeld.Main
18) org.apache.commons.jrcs.tools.JDiff
#?
If one is selected (typing number), you are prompt for arguments (you can avoid with mvnexec -P
)
By default it compiles project every run. but you can avoid that using mvnexec -B
It allows to search only in test classes -M
or --no-main
, or only in main classes -T
or --no-test
. also has a filter by name option -f <whatever>
Hope this could save you some time, for me it does.
It's not a good coding to put PHP code into CSS
body
{
background-image:url('bg.png');
}
that's it
$(document).ready(function(){
$('your selector').bind("click",function(){
// your statements;
});
// you can use the above or the one shown below
$('your selector').click(function(e){
e.preventDefault();
// your statements;
});
});