To give a very high level overview of both, in short:
1) Pig is a relational algebra over hadoop
2) Hive is a SQL over hadoop (one level above Pig)
i had the same issue, but I just typed export
on top and erased the default one on the bottom. Scroll down and check the comments.
import React, { Component } from "react";
export class Counter extends Component { // type this
export default Counter; // this is eliminated
TCC and TCC/LE from JPSoft are CMD.EXE replacements that add significant functionality. Relevant to the OP's question, which
is a builtin command for TCC family command processors.
First WebClient
is easier to use; GET arguments are specified on the query-string - the only trick is to remember to escape any values:
string address = string.Format(
"http://foobar/somepage?arg1={0}&arg2={1}",
Uri.EscapeDataString("escape me"),
Uri.EscapeDataString("& me !!"));
string text;
using (WebClient client = new WebClient())
{
text = client.DownloadString(address);
}
I have just realized that my error was caused in the naming convention of my property file. When i used xxxx.xxxx.properties i got the error:
java.util.MissingResourceException: Can't find bundle for base name 'property_file name', locale en_US
Changing it to something like xxx-xxxx.properties works like a charm. Hope i help someone!
Another possible fix:
For some reason, this work.
I won't write your code but what you looking for is something like a jquery dialog
take a look here
$(function() {
$( "#dialog-confirm" ).dialog({
resizable: false,
height:140,
modal: true,
buttons: {
"Delete all items": function() {
$( this ).dialog( "close" );
},
Cancel: function() {
$( this ).dialog( "close" );
}
}
});
});
<div id="dialog-confirm" title="Empty the recycle bin?">
<p>
<span class="ui-icon ui-icon-alert" style="float:left; margin:0 7px 20px 0;"></span>
These items will be permanently deleted and cannot be recovered. Are you sure?
</p>
</div>
Please check this jQuery plugin,
with this you can overlay all the page or elements, works great for me,
Examples:
Block a div:
$('div.test').block({ message: null });
Block the page:
$.blockUI({ message: '<h1><img src="busy.gif" /> Just a moment...</h1>' });
Hope that help someone
Greetings
ALTER TABLE [table_name] ALTER COLUMN [column_name] varchar(150)
If you are using Microsoft windows environment then you can set a variable named HTTP_PROXY
, FTP_PROXY
, or HTTPS_PROXY
depending on the requirement.
I have used following settings for allowing my commands at windows command prompt to use the browser proxy to access internet.
set HTTP_PROXY=http://proxy_userid:proxy_password@proxy_ip:proxy_port
The parameters on right must be replaced with actual values.
Once the variable HTTP_PROXY
is set, all our subsequent commands executed at windows command prompt will be able to access internet through the proxy along with the authentication provided.
Additionally if you want to use ftp and https as well to use the same proxy then you may like to the following environment variables as well.
set FTP_PROXY=%HTTP_PROXY%
set HTTPS_PROXY=%HTTP_PROXY%
Here is an example of iterating over a pd.DataFrame
grouped by the column atable
. For this sample, "create" statements for an SQL database are generated within the for
loop:
import pandas as pd
df1 = pd.DataFrame({
'atable': ['Users', 'Users', 'Domains', 'Domains', 'Locks'],
'column': ['col_1', 'col_2', 'col_a', 'col_b', 'col'],
'column_type':['varchar', 'varchar', 'int', 'varchar', 'varchar'],
'is_null': ['No', 'No', 'Yes', 'No', 'Yes'],
})
df1_grouped = df1.groupby('atable')
# iterate over each group
for group_name, df_group in df1_grouped:
print('\nCREATE TABLE {}('.format(group_name))
for row_index, row in df_group.iterrows():
col = row['column']
column_type = row['column_type']
is_null = 'NOT NULL' if row['is_null'] == 'NO' else ''
print('\t{} {} {},'.format(col, column_type, is_null))
print(");")
Treat IllegalArgumentException
as a preconditions check, and consider the design principle: A public method should both know and publicly document its own preconditions.
I would agree this example is correct:
void setPercentage(int pct) {
if( pct < 0 || pct > 100) {
throw new IllegalArgumentException("bad percent");
}
}
If EmailUtil is opaque, meaning there's some reason the preconditions cannot be described to the end-user, then a checked exception is correct. The second version, corrected for this design:
import com.someoneelse.EmailUtil;
public void scanEmail(String emailStr, InputStream mime) throws ParseException {
EmailAddress parsedAddress = EmailUtil.parseAddress(emailStr);
}
If EmailUtil is transparent, for instance maybe it's a private method owned by the class under question, IllegalArgumentException
is correct if and only if its preconditions can be described in the function documentation. This is a correct version as well:
/** @param String email An email with an address in the form [email protected]
* with no nested comments, periods or other nonsense.
*/
public String scanEmail(String email)
if (!addressIsProperlyFormatted(email)) {
throw new IllegalArgumentException("invalid address");
}
return parseEmail(emailAddr);
}
private String parseEmail(String emailS) {
// Assumes email is valid
boolean parsesJustFine = true;
// Parse logic
if (!parsesJustFine) {
// As a private method it is an internal error if address is improperly
// formatted. This is an internal error to the class implementation.
throw new AssertError("Internal error");
}
}
This design could go either way.
ParseException
. The top level method here is named scanEmail
which hints the end user intends to send unstudied email through so this is likely correct.IllegalArgumentException
. Although not "checked" the "check" moves to the Javadoc documenting the function, which the client is expected to adhere to. IllegalArgumentException
where the client can't tell their argument is illegal beforehand is wrong.A note on IllegalStateException: This means "this object's internal state (private instance variables) is not able to perform this action." The end user cannot see private state so loosely speaking it takes precedence over IllegalArgumentException
in the case where the client call has no way to know the object's state is inconsistent. I don't have a good explanation when it's preferred over checked exceptions, although things like initializing twice, or losing a database connection that isn't recovered, are examples.
You can either directly pass line terminator e.g. \n, if you know the line terminator in Windows, Mac or UNIX. Alternatively you can use following code to replace line breaks in either of three major operating system.
str = str.replaceAll("\\r\\n|\\r|\\n", " ");
Above code line will replace line breaks with space in Mac, Windows and Linux. Also you can use line-separator. It will work for all OS. Below is the code snippet for line-separator.
String lineSeparator=System.lineSeparator();
String newString=yourString.replace(lineSeparator, "");
a pure css method base on -webkit-line-clamp:
@-webkit-keyframes ellipsis {/*for test*/_x000D_
0% { width: 622px }_x000D_
50% { width: 311px }_x000D_
100% { width: 622px }_x000D_
}_x000D_
.ellipsis {_x000D_
max-height: 40px;/* h*n */_x000D_
overflow: hidden;_x000D_
background: #eee;_x000D_
_x000D_
-webkit-animation: ellipsis ease 5s infinite;/*for test*/_x000D_
/**_x000D_
overflow: visible;_x000D_
/**/_x000D_
}_x000D_
.ellipsis .content {_x000D_
position: relative;_x000D_
display: -webkit-box;_x000D_
-webkit-box-orient: vertical;_x000D_
-webkit-box-pack: center;_x000D_
font-size: 50px;/* w */_x000D_
line-height: 20px;/* line-height h */_x000D_
color: transparent;_x000D_
-webkit-line-clamp: 2;/* max row number n */_x000D_
vertical-align: top;_x000D_
}_x000D_
.ellipsis .text {_x000D_
display: inline;_x000D_
vertical-align: top;_x000D_
font-size: 14px;_x000D_
color: #000;_x000D_
}_x000D_
.ellipsis .overlay {_x000D_
position: absolute;_x000D_
top: 0;_x000D_
left: 50%;_x000D_
width: 100%;_x000D_
height: 100%;_x000D_
overflow: hidden;_x000D_
_x000D_
/**_x000D_
overflow: visible;_x000D_
left: 0;_x000D_
background: rgba(0,0,0,.5);_x000D_
/**/_x000D_
}_x000D_
.ellipsis .overlay:before {_x000D_
content: "";_x000D_
display: block;_x000D_
float: left;_x000D_
width: 50%;_x000D_
height: 100%;_x000D_
_x000D_
/**_x000D_
background: lightgreen;_x000D_
/**/_x000D_
}_x000D_
.ellipsis .placeholder {_x000D_
float: left;_x000D_
width: 50%;_x000D_
height: 40px;/* h*n */_x000D_
_x000D_
/**_x000D_
background: lightblue;_x000D_
/**/_x000D_
}_x000D_
.ellipsis .more {_x000D_
position: relative;_x000D_
top: -20px;/* -h */_x000D_
left: -50px;/* -w */_x000D_
float: left;_x000D_
color: #000;_x000D_
width: 50px;/* width of the .more w */_x000D_
height: 20px;/* h */_x000D_
font-size: 14px;_x000D_
_x000D_
/**_x000D_
top: 0;_x000D_
left: 0;_x000D_
background: orange;_x000D_
/**/_x000D_
}
_x000D_
<div class='ellipsis'>_x000D_
<div class='content'>_x000D_
<div class='text'>text text text text text text text text text text text text text text text text text text text text text </div>_x000D_
<div class='overlay'>_x000D_
<div class='placeholder'></div>_x000D_
<div class='more'>...more</div>_x000D_
</div>_x000D_
</div>_x000D_
</div>
_x000D_
There were (at time of posting) one or two little typos in the accepted answer above, so here's the cleaned up version. In this example I'm stopping the CPU profiler when receiving Ctrl+C.
// capture ctrl+c and stop CPU profiler
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
go func() {
for sig := range c {
log.Printf("captured %v, stopping profiler and exiting..", sig)
pprof.StopCPUProfile()
os.Exit(1)
}
}()
The object can be used as a parameter in Exception.with_traceback()
function:
except Exception as e:
tb = sys.exc_info()
print(e.with_traceback(tb[2]))
If you do not want to define a separate class for nested json , Defining nested json object as JsonNode should work ,for example :
{"id":2,"socket":"0c317829-69bf-43d6-b598-7c0c550635bb","type":"getDashboard","data":{"workstationUuid":"ddec1caa-a97f-4922-833f-632da07ffc11"},"reply":true}
@JsonProperty("data")
private JsonNode data;
UIImage Extension Swift 5
extension UIImage {
func resize(_ width: CGFloat, _ height:CGFloat) -> UIImage? {
let widthRatio = width / size.width
let heightRatio = height / size.height
let ratio = widthRatio > heightRatio ? heightRatio : widthRatio
let newSize = CGSize(width: size.width * ratio, height: size.height * ratio)
let rect = CGRect(x: 0, y: 0, width: newSize.width, height: newSize.height)
UIGraphicsBeginImageContextWithOptions(newSize, false, 1.0)
self.draw(in: rect)
let newImage = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
return newImage
}
}
Use : UIImage().resize(200, 300)
As per the documentation on the return
statement, return
may only occur syntactically nested in a function definition. The same is true for yield
.
I think Michal's answer is the best, but we can take it a step further and dynamically load an Android CSS as per the original question:
var isAndroid = /(android)/i.test(navigator.userAgent);
if (isAndroid) {
var css = document.createElement("link");
css.setAttribute("rel", "stylesheet");
css.setAttribute("type", "text/css");
css.setAttribute("href", "/css/android.css");
document.body.appendChild(css);
}
Clear:both gives you that space between them.
For example your code:
<div style="float:left">Hello</div>
<div style="float:right">Howdy dere pardner</div>
Will currently display as :
Hello ................... Howdy dere pardner
If you add the following to above snippet,
<div style="clear:both"></div>
In between them it will display as:
Hello ................
Howdy dere pardner
giving you that space between hello and Howdy dere pardner.
Js fiiddle http://jsfiddle.net/Qk5vR/1/
I see a lot of good answers here and many where quite useful but not quite what I needed. I am using sockets for a pubsub feature in which an interested client can listen to any changes in a given record.
My specific issue was that the same socket was joining the same room several times. The solution to this was to check if the socket had the room inside its rooms property already.
var room = myObj.id.toString();
if (socket.rooms.indexOf(room) === -1) {
socket.join(room);
socket.emit('subscribed', {to : room});
} else {
console.log("Already in room");
}
Hope this helps someone.
Checking if something isn't false... So it's true, just if you're doing something that is quantum physics.
if(!(borrar() === false))
or
if(borrar() === true)
//In module.js add below code
export function multiply() {
return 2 * 3;
}
// Consume the module in calc.js
import { multiply } from './modules.js';
const result = multiply();
console.log(`Result: ${result}`);
// Module.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Module</title>
</head>
<body>
<script type="module" src="./calc.js"></script>
</body>
</html>
Its a design pattern same code can be found below, please use a live server to test it else you will get CORS error
https://github.com/rohan12patil/JSDesignPatterns/tree/master/Structural%20Patterns/module
I had the same problem. I restarted my computer and the issue was resolved.
You could also write your own IFormatProvider, though I suppose eventually you'd have to think of a way to do the actual truncation.
The .NET Framework also supports custom formatting. This typically involves the creation of a formatting class that implements both IFormatProvider and ICustomFormatter. (msdn)
At least it would be easily reusable.
There is an article about how to implement your own IFormatProvider/ICustomFormatter here at CodeProject. In this case, "extending" an existing numeric format might be the best bet. It doesn't look too hard.
Most Developers log-in to server(I assume you r having user-name and password for mysql database) then from Bash they switch to mysql> prompt
then use the command below(which doesn’t work
mysql -h localhost -u root -p
What needs to be done is use the above command in the bash prompt--> on doing so it will ask for password if given it will take directly to mysql prompt and
then database, table can be created one by one
I faced similar deadlock so sharing the experience
Zeep is a decent SOAP library for Python that matches what you're asking for: http://docs.python-zeep.org
I could handle it using a groovy method in build.gradle
to create all source folders for java, resources and test. Then I set it to run before gradle eclipse
task.
eclipseClasspath.doFirst {
initSourceFolders()
}
def initSourceFolders() {
sourceSets*.java.srcDirs*.each { it.mkdirs() }
sourceSets*.resources.srcDirs*.each { it.mkdirs() }
}
Now we can setup a new gradle Java EE project to eclipse with only one command. I put this example at GitHub
In the few words - function returns something. You can use function in SQL query. Procedure is part of code to do something with data but you can not invoke procedure from query, you have to run it in PL/SQL block.
var filenameText = findViewById(R.id.filename) as EditText
filenameText.addTextChangedListener(object : TextWatcher {
override fun afterTextChanged(s: Editable?) {
filename = filenameText.text.toString()
Log.i("FileName: ", filename)
}
override fun beforeTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) {}
override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {}
})
Here's the Query Analyzer template for an in-line function - it returns 2 values by default:
-- =============================================
-- Create inline function (IF)
-- =============================================
IF EXISTS (SELECT *
FROM sysobjects
WHERE name = N'<inline_function_name, sysname, test_function>')
DROP FUNCTION <inline_function_name, sysname, test_function>
GO
CREATE FUNCTION <inline_function_name, sysname, test_function>
(<@param1, sysname, @p1> <data_type_for_param1, , int>,
<@param2, sysname, @p2> <data_type_for_param2, , char>)
RETURNS TABLE
AS
RETURN SELECT @p1 AS c1,
@p2 AS c2
GO
-- =============================================
-- Example to execute function
-- =============================================
SELECT *
FROM <owner, , dbo>.<inline_function_name, sysname, test_function>
(<value_for_@param1, , 1>,
<value_for_@param2, , 'a'>)
GO
Creating Tags
Git uses two main types of tags: lightweight and annotated.
Annotated Tags:
To create an annotated tag in Git you can just run the following simple commands on your terminal.
$ git tag -a v2.1.0 -m "xyz feature is released in this tag."
$ git tag
v1.0.0
v2.0.0
v2.1.0
The -m denotes message for that particular tag. We can write summary of features which is going to tag here.
Lightweight Tags:
The other way to tag commits is lightweight tag. We can do it in the following way:
$ git tag v2.1.0
$ git tag
v1.0.0
v2.0.0
v2.1.0
Push Tag
To push particular tag you can use below command:
git push origin v1.0.3
Or if you want to push all tags then use the below command:
git push --tags
List all tags:
To list all tags, use the following command.
git tag
If you want to reinstall packages specified in a requirements.txt file, without upgrading, so just reinstall the specific versions specified in the requirements.txt file:
pip install -r requirements.txt --ignore-installed
try
git reflog
this gives you a history of how your HEAD and branch pointers where moved in the past.
e.g. :
88ea06b HEAD@{0}: checkout: moving from DEVELOPMENT to remotes/origin/SomeNiceFeature e47bf80 HEAD@{1}: pull origin DEVELOPMENT: Fast-forward
the top of this list is one reasone one might encounter a DETACHED HEAD state ... checking out a remote tracking branch.
Oracle support Mathematical Subtract -
operator on Data datatype. You may directly put in select clause following statement:
to_char (s.last_upd – s.created, ‘999999D99')
Check the EXAMPLE for more visibility.
In case you need the output in termes of hours, then the below might help;
Select to_number(substr(numtodsinterval([END_TIME]-[START_TIME]),’day’,2,9))*24 +
to_number(substr(numtodsinterval([END_TIME]-[START_TIME],’day’),12,2))
||':’||to_number(substr(numtodsinterval([END_TIME]-[START_TIME],’day’),15,2))
from [TABLE_NAME];
It is possible. With vanilla Javascript, you can use the function below for reference.
function updateIframeBackground(iframeId) {
var x = document.getElementById(iframeId);
var y = (x.contentWindow || x.contentDocument);
if (y.document) y = y.document;
y.body.style.backgroundColor = "#2D2D2D";
}
https://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_iframe_contentdocument
~/Library/Developer/Xcode/DerivedData/{app name}/Build/Products/Debug-iphonesimulator/
Simply ...........
As 2's complement of any number we can calculate by inverting all 1s to 0's and vice-versa than we add 1 to it..
Here N= ~N produce results -(N+1) always. Because system store data in form of 2's complement which means it stores ~N like this.
~N = -(~(~N)+1) =-(N+1).
For example::
N = 10 = 1010
Than ~N = 0101
so ~(~N) = 1010
so ~(~N) +1 = 1011
Now point is from where Minus comes. My opinion is suppose we have 32 bit register which means 2^31 -1 bit involved in operation and to rest one bit which change in earlier computation(complement) stored as sign bit which is 1 usually. And we get result as ~10 = -11.
~(-11) =10 ;
The above is true if printf("%d",~0); we get result: -1;
But printf("%u",~0) than result: 4294967295 on 32 bit machine.
// In Fragment_1.java
Bundle bundle = new Bundle();
bundle.putString("key","abc"); // Put anything what you want
Fragment_2 fragment2 = new Fragment_2();
fragment2.setArguments(bundle);
getFragmentManager()
.beginTransaction()
.replace(R.id.content, fragment2)
.commit();
// In Fragment_2.java
Bundle bundle = this.getArguments();
if(bundle != null){
// handle your code here.
}
Hope this help you.
The ErrorDocument
directive, when supplied a local URL path, expects the path to be fully qualified from the DocumentRoot
. In your case, this means that the actual path to the ErrorDocument
is
ErrorDocument 404 /hellothere/error/404page.html
This problem appears when we are using any third party solution, without using the handlers for the cleanup activitiy. For me this was happening for EhCache. We were using EhCache in our project for caching. And often we used to see following error in the logs
SEVERE: The web application [/products] appears to have started a thread named [products_default_cache_configuration] but has failed to stop it. This is very likely to create a memory leak.
Aug 07, 2017 11:08:36 AM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/products] appears to have started a thread named [Statistics Thread-products_default_cache_configuration-1] but has failed to stop it. This is very likely to create a memory leak.
And we often noticed tomcat failing for OutOfMemory error during development where we used to do backend changes and deploy the application multiple times for reflecting our changes.
This is the fix we did
<listener>
<listener-class>
net.sf.ehcache.constructs.web.ShutdownListener
</listener-class>
</listener>
So point I am trying to make is check the documentation of the third party libraries which you are using. They should be providing some mechanisms to clean up the threads during shutdown. Which you need to use in your application. No need to re-invent the wheel unless its not provided by them. The worst case is to provide your own implementation.
Reference for EHCache Shutdown http://www.ehcache.org/documentation/2.8/operations/shutdown.html
You have to right idea generating the url based off of the input value. The only issue is you are using window.location.href. Setting window.location.href changes the url of the current window. What you probably want to do is change the src attribute of an image.
<html>
<body>
<form>
<input type="text" value="" id="imagename">
<input type="button" onclick="var image = document.getElementById('the-image'); image.src='http://webpage.com/images/'+document.getElementById('imagename').value +'.png'" value="GO">
</form>
<img id="the-image">
</body>
</html>
That's all.
I did this in my Ec2 and it worked like charm.
You're after the zip function.
Taken directly from the question: How to merge lists into a list of tuples in Python?
>>> list_a = [1, 2, 3, 4]
>>> list_b = [5, 6, 7, 8]
>>> zip(list_a,list_b)
[(1, 5), (2, 6), (3, 7), (4, 8)]
You can redirect stderr to stdout and the stdout into a file:
some_command >file.log 2>&1
See http://tldp.org/LDP/abs/html/io-redirection.html
This format is preferred than the most popular &> format that only work in bash. In Bourne shell it could be interpreted as running the command in background. Also the format is more readable 2 (is STDERR) redirected to 1 (STDOUT).
EDIT: changed the order as pointed out in the comments
If you don't want to have to worry about Null value issues like checking for null every time you use it or wrapping it up in some logic, and you also don't want to have to worry about offset time issues, then this is how I solved the problem:
startDate = startDate <= DateTime.MinValue.AddSeconds(1) ? keepIt : resetIt
I just check that the defaulted value is less than a day after the beginning of time. Works like a charm.
Edit 2021: If you need to check milliseconds of the beginning of time then just add ticks instead, but also maybe carbon dating is what you are really looking for. Still not sure carbon dating would even be as accurate as you need if you need accuracy to the tick.
A combination of previous 2 answers did the trick. Thanks. A new class which inherits from Button. Note: updateImages() should be called before showing the button.
import javafx.event.EventHandler;
import javafx.scene.control.Button;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.MouseEvent;
public class ImageButton extends Button {
public void updateImages(final Image selected, final Image unselected) {
final ImageView iv = new ImageView(selected);
this.getChildren().add(iv);
iv.setOnMousePressed(new EventHandler<MouseEvent>() {
public void handle(MouseEvent evt) {
iv.setImage(unselected);
}
});
iv.setOnMouseReleased(new EventHandler<MouseEvent>() {
public void handle(MouseEvent evt) {
iv.setImage(selected);
}
});
super.setGraphic(iv);
}
}
You, or most likely your sysadmin, will need to login as root and run the chown command: http://www.computerhope.com/unix/uchown.htm
Through this command you will become the owner of the file.
Or, you can be a member of a group that owns this file and then you can use chmod.
But, talk with your sysadmin.
There is the question whether we want to differentiate between cases:
"phone" : "" = the value is empty
"phone" : null = the value for "phone" was not set yet
If we want differentiate I would use null for this. Otherwise we would need to add a new field like "isAssigned" or so. This is an old Database issue.
I used this (need to run it only once); also make sure you have rights to execute:
from PowerShell with elevated rights:
Set-ExecutionPolicy=RemoteSigned
then from a bat file:
-----------------------------------------
ftype Microsoft.PowerShellScript.1="C:\WINDOWS\system32\windowspowershell\v1.0\powershell.exe" -noexit ^&'%%1'
assoc .ps1=Microsoft.PowerShellScript.1
-----------------------------------------
auto exit: remove -noexit
and voila; double-clicking a *.ps1 will execute it.
docker-compose up --build
OR
docker-compose build --no-cache
Facebook publishes the SDK on maven central :
Just add :
repositories {
jcenter() // IntelliJ main repo.
}
dependencies {
compile 'com.facebook.android:facebook-android-sdk:+'
}
Did you import it? Importing matplotlib
is not enough.
>>> import matplotlib
>>> matplotlib.pyplot
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute 'pyplot'
but
>>> import matplotlib.pyplot
>>> matplotlib.pyplot
works.
pyplot is a submodule of matplotlib and not immediately imported when you import matplotlib.
The most common form of importing pyplot is
import matplotlib.pyplot as plt
Thus, your statements won't be too long, e.g.
plt.plot([1,2,3,4,5])
instead of
matplotlib.pyplot.plot([1,2,3,4,5])
And: pyplot
is not a function, it's a module! So don't call it, use the functions defined inside this module instead. See my example above
<activity android:name=".yourActivity" android:label="@string/yourText" />
Put this code into your android manifest file and it should set the title of the action bar to what ever you want!
In addition to tcash21's numeric indexing if OP may have been looking for negative indexing by name. Here's a few ways I know, some are risky than others to use:
mtcars[, -which(names(mtcars) == "carb")] #only works on a single column
mtcars[, names(mtcars) != "carb"] #only works on a single column
mtcars[, !names(mtcars) %in% c("carb", "mpg")]
mtcars[, -match(c("carb", "mpg"), names(mtcars))]
mtcars2 <- mtcars; mtcars2$hp <- NULL #lost column (risky)
library(gdata)
remove.vars(mtcars2, names=c("mpg", "carb"), info=TRUE)
Generally I use:
mtcars[, !names(mtcars) %in% c("carb", "mpg")]
because I feel it's safe and efficient.
You can use the following SQL to compare both date and time -
Select * From temp where mydate > STR_TO_DATE('2009-06-29 04:00:44', '%Y-%m-%d %H:%i:%s');
Attached mysql output when I used same SQL on same kind of table and field that you mentioned in the problem-
It should work perfect.
So let's say after getMasterData servlet will response.sendRedirect to to test.jsp.
In test.jsp
Create a javascript
<script type="text/javascript">
function alertName(){
alert("Form has been submitted");
}
</script>
and than at the bottom
<script type="text/javascript"> window.onload = alertName; </script>
Note:im not sure how to type the code in stackoverflow!. Edit: I just learned how to
Edit 2: TO the question:This works perfectly. Another question. How would I get rid of the initial alert when I first start up the JSP? "Form has been submitted" is present the second I execute. It shows up after the load is done to which is perfect.
To do that i would highly recommendation to use session!
So what you want to do is in your servlet:
session.setAttribute("getAlert", "Yes");//Just initialize a random variable.
response.sendRedirect(test.jsp);
than in the test.jsp
<%
session.setMaxInactiveInterval(2);
%>
<script type="text/javascript">
var Msg ='<%=session.getAttribute("getAlert")%>';
if (Msg != "null") {
function alertName(){
alert("Form has been submitted");
}
}
</script>
and than at the bottom
<script type="text/javascript"> window.onload = alertName; </script>
So everytime you submit that form a session will be pass on! If session is not null the function will run!
This is how I would do it:
$terms = array('BMW', 'Audi', 'Porsche', 'Honda');
// -- purge 'make' Porsche from terms --
if (!empty($terms)) {
$pos = '';
$pos = array_search('Porsche', $terms);
if ($pos !== false) unset($terms[$pos]);
}
Advanced Html Dom is a simple HTML DOM replacement that offers the same interface, but it's DOM-based which means none of the associated memory issues occur.
It also has full CSS support, including jQuery extensions.
sorted(filter(os.path.isfile, os.listdir('.')),
key=lambda p: os.stat(p).st_mtime)
You could use os.walk('.').next()[-1]
instead of filtering with os.path.isfile
, but that leaves dead symlinks in the list, and os.stat
will fail on them.
This is a very old question - but still for reference if others are looking at it - requestAnimationFrame()
is the right way to handle animation in modern browsers:
UPDATE: The mozilla link shows how to do this - I didn't feel like repeating the text behind the link ;)
i used to do like this
inside view
<script type="text/javascript">
//will replace the '_transactionIds_' and '_payeeId_'
var _addInvoiceUrl = '@(Html.Raw( Url.Action("PayableInvoiceMainEditor", "Payables", new { warehouseTransactionIds ="_transactionIds_",payeeId = "_payeeId_", payeeType="Vendor" })))';
on javascript file
var url = _addInvoiceUrl.replace('_transactionIds_', warehouseTransactionIds).replace('_payeeId_', payeeId);
window.location.href = url;
in this way i can able to pass the parameter values on demand..
by using @Html.Raw, url will not get amp; for parameters
You can use this sql statement to get the history for any date:
SELECT * FROM V$SQL V where to_date(v.FIRST_LOAD_TIME,'YYYY-MM-DD hh24:mi:ss') > sysdate - 60
This is the only way i could get it working:
JS:
columnDefs: [
{ "width": "100px", "targets": [0] }
]
CSS:
#yourTable{
table-layout: fixed !important;
word-wrap:break-word;
}
The CSS part isn't nice but it does the job.
Seems a current version of the purrr
(0.2.2) package is the fastest solution:
by_row(x, function(v) list(v)[[1L]], .collate = "list")$.out
Let's compare the most interesting solutions:
data("Batting", package = "Lahman")
x <- Batting[1:10000, 1:10]
library(benchr)
library(purrr)
benchmark(
split = split(x, seq_len(.row_names_info(x, 2L))),
mapply = .mapply(function(...) structure(list(...), class = "data.frame", row.names = 1L), x, NULL),
purrr = by_row(x, function(v) list(v)[[1L]], .collate = "list")$.out
)
Rsults:
Benchmark summary:
Time units : milliseconds
expr n.eval min lw.qu median mean up.qu max total relative
split 100 983.0 1060.0 1130.0 1130.0 1180.0 1450 113000 34.3
mapply 100 826.0 894.0 963.0 972.0 1030.0 1320 97200 29.3
purrr 100 24.1 28.6 32.9 44.9 40.5 183 4490 1.0
Also we can get the same result with Rcpp
:
#include <Rcpp.h>
using namespace Rcpp;
// [[Rcpp::export]]
List df2list(const DataFrame& x) {
std::size_t nrows = x.rows();
std::size_t ncols = x.cols();
CharacterVector nms = x.names();
List res(no_init(nrows));
for (std::size_t i = 0; i < nrows; ++i) {
List tmp(no_init(ncols));
for (std::size_t j = 0; j < ncols; ++j) {
switch(TYPEOF(x[j])) {
case INTSXP: {
if (Rf_isFactor(x[j])) {
IntegerVector t = as<IntegerVector>(x[j]);
RObject t2 = wrap(t[i]);
t2.attr("class") = "factor";
t2.attr("levels") = t.attr("levels");
tmp[j] = t2;
} else {
tmp[j] = as<IntegerVector>(x[j])[i];
}
break;
}
case LGLSXP: {
tmp[j] = as<LogicalVector>(x[j])[i];
break;
}
case CPLXSXP: {
tmp[j] = as<ComplexVector>(x[j])[i];
break;
}
case REALSXP: {
tmp[j] = as<NumericVector>(x[j])[i];
break;
}
case STRSXP: {
tmp[j] = as<std::string>(as<CharacterVector>(x[j])[i]);
break;
}
default: stop("Unsupported type '%s'.", type2name(x));
}
}
tmp.attr("class") = "data.frame";
tmp.attr("row.names") = 1;
tmp.attr("names") = nms;
res[i] = tmp;
}
res.attr("names") = x.attr("row.names");
return res;
}
Now caompare with purrr
:
benchmark(
purrr = by_row(x, function(v) list(v)[[1L]], .collate = "list")$.out,
rcpp = df2list(x)
)
Results:
Benchmark summary:
Time units : milliseconds
expr n.eval min lw.qu median mean up.qu max total relative
purrr 100 25.2 29.8 37.5 43.4 44.2 159.0 4340 1.1
rcpp 100 19.0 27.9 34.3 35.8 37.2 93.8 3580 1.0
In my case, It seems like I wasnt really able to kill the mysql process, when I run
sudo service mysql stop
ps -ef | grep mysql
The mysql process was always there, it looks like it was blocking the socket file and new mysql process wasnt able to create it itself.
so this helped
cd /var/run
sudo cp mysqld/ mysqld.bc -rf
sudo chown mysql:mysql mysqld.bc/
sudo service mysql stop
sudo cp mysqld.bc/ mysqld -rf
sudo chown mysql:mysql mysqld -R
sudo /usr/sbin/mysqld --skip-grant-tables --skip-networking &
Now Im able to log in database using
mysql -u root
Then to update root password:
UPDATE user SET authentication_string=password('YOURPASSWORDHERE') WHERE user='root';
FLUSH PRIVILEGES;
PS: I had trouble updating root passwod, seems like problem with "auth_socket" plugin, so I had to create new user with full privileges
insert into user set `Host` = "localhost", `User` = "super", `plugin` = "mysql_native_password", `authentication_string` = NULL, `password_expired` = "N", `password_lifetime` = NULL, `account_locked` = "N", `Select_priv` = "Y",
`Insert_priv` = "Y", `Update_priv` = "Y", `Delete_priv` = "Y", `Create_priv` = "Y", `Drop_priv` = "Y", `Reload_priv` = "Y", `Shutdown_priv` = "Y", `Process_priv` = "Y", `File_priv` = "Y",
`Grant_priv` = "Y", `References_priv` = "Y", `Index_priv` = "Y", `Alter_priv` = "Y", `Show_db_priv` = "Y", `Super_priv` = "Y", `Create_tmp_table_priv` = "Y", `Lock_tables_priv` = "Y",
`Execute_priv` = "Y", `Repl_slave_priv` = "Y", `Repl_client_priv` = "Y", `Create_view_priv` = "Y", `Show_view_priv` = "Y", `Create_routine_priv` = "Y", `Alter_routine_priv` = "Y",
`Create_user_priv` = "Y", `Event_priv` = "Y", `Trigger_priv` = "Y", `Create_tablespace_priv` = "Y";
This creates user "super" with no password and then you can connect with mysql -u super
I think a more flexible option would be to wrap the Text()
with Align()
like so:
Align(
alignment: Alignment.center, // Align however you like (i.e .centerRight, centerLeft)
child: Text("My Text"),
),
Using Center()
seems to ignore TextAlign
entirely on the Text widget. It will not align TextAlign.left
or TextAlign.right
if you try, it will remain in the center.
$.getJSON()
is pretty handy for sending an AJAX request and getting back JSON data as a response. Alas, the jQuery documentation lacks a sister function that should be named $.postJSON()
. Why not just use $.getJSON()
and be done with it? Well, perhaps you want to send a large amount of data or, in my case, IE7 just doesn’t want to work properly with a GET request.
It is true, there is currently no $.postJSON()
method, but you can accomplish the same thing by specifying a fourth parameter (type) in the $.post()
function:
My code looked like this:
$.post('script.php', data, function(response) {
// Do something with the request
}, 'json');
Yes, this works perfectly
recommended:
DataFormatter dataFormatter = new DataFormatter();
String value = dataFormatter.formatCellValue(cell);
old:
cell.setCellType(Cell.CELL_TYPE_STRING);
even if you have a problem with retrieving a value from cell
having formula, still this works.
This is advice, not an answer: You are much, much better off using dedicated mailing list software. mailman is an oft-used example, but something as simple as mlmmj may suffice. Sending mass mails is actually a more difficult task than it actually appears to be. Not only do you have to send the mails, you also have to keep track of "dead" addresses to avoid your mail, or worse, your mailserver, being marked as spam. You have to handle people unsubscribing for much the same reason.
You can implement these things yourself, but particularly bounce handling is difficult and unrewarding work. Using a mailing list manager will make things a lot easier.
As for how to make your mail palatable for yahoo, that is another matter entirely. For all its faults, they seem to put great stock in SPF and DomainKey. You probably will have to implement them, which will require co-operation from your mail server administrator.
As @gaurang171 mentioned, we can use .closest() which will return the first ancestor, or the closest to our delete button, and use .remove() to remove it.
This is how we can implement it using jQuery click event instead of using JavaScript onclick.
HTML:
<table id="myTable">
<tr>
<th width="30%" style="color:red;">ID</th>
<th width="25%" style="color:red;">Name</th>
<th width="25%" style="color:red;">Age</th>
<th width="1%"></th>
</tr>
<tr>
<td width="30%" style="color:red;">SSS-001</td>
<td width="25%" style="color:red;">Ben</td>
<td width="25%" style="color:red;">25</td>
<td><button type='button' class='btnDelete'>x</button></td>
</tr>
<tr>
<td width="30%" style="color:red;">SSS-002</td>
<td width="25%" style="color:red;">Anderson</td>
<td width="25%" style="color:red;">47</td>
<td><button type='button' class='btnDelete'>x</button></td>
</tr>
<tr>
<td width="30%" style="color:red;">SSS-003</td>
<td width="25%" style="color:red;">Rocky</td>
<td width="25%" style="color:red;">32</td>
<td><button type='button' class='btnDelete'>x</button></td>
</tr>
<tr>
<td width="30%" style="color:red;">SSS-004</td>
<td width="25%" style="color:red;">Lee</td>
<td width="25%" style="color:red;">15</td>
<td><button type='button' class='btnDelete'>x</button></td>
</tr>
jQuery
$(document).ready(function(){
$("#myTable").on('click','.btnDelete',function(){
$(this).closest('tr').remove();
});
});
Try in JSFiddle: click here.
Instead of installing the bloated IIS, I get mine resolved by installing Internet Information Services Hostable Web Core from the Windows Features
From django docs:
render() is the same as a call to render_to_response() with a context_instance argument that that forces the use of a RequestContext.
direct_to_template
is something different. It's a generic view that uses a data dictionary to render the html without the need of the views.py, you use it in urls.py. Docs here
.col-xs-2{_x000D_
background:#00f;_x000D_
color:#FFF;_x000D_
}_x000D_
.col-half-offset{_x000D_
margin-left:4.166666667%_x000D_
}
_x000D_
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet"/>_x000D_
<div class="container">_x000D_
<div class="row" style="border: 1px solid red">_x000D_
<div class="col-xs-2" id="p1">One</div>_x000D_
<div class="col-xs-2 col-half-offset" id="p2">Two</div>_x000D_
<div class="col-xs-2 col-half-offset" id="p3">Three</div>_x000D_
<div class="col-xs-2 col-half-offset" id="p4">Four</div>_x000D_
<div class="col-xs-2 col-half-offset" id="p5">Five</div>_x000D_
<div>lorem</div>_x000D_
</div>_x000D_
</div>
_x000D_
This should be ok.
Use:
import color
class Color(color.Color):
...
If this were Python 2.x, you would also want to derive color.Color
from object
, to make it a new-style class:
class Color(object):
...
This is not necessary in Python 3.x.
Only this one worked for me:
<script type="text/javascript">
var frames = document.getElementsByTagName("iframe");
for (var i = 0; i < frames.length; i++) {
src = frames[i].src;
if (src.indexOf('embed') != -1) {
if (src.indexOf('?') != -1) {
frames[i].src += "&wmode=transparent";
} else {
frames[i].src += "?wmode=transparent";
}
}
}
</script>
I load it in the footer.php Wordpress file. Code found in comment here (thanks Gerson)
The solution given by man 3 rand for a number between 1 and 10 inclusive is:
j = 1 + (int) (10.0 * (rand() / (RAND_MAX + 1.0)));
In your case, it would be:
j = min + (int) ((max-min+1) * (rand() / (RAND_MAX + 1.0)));
Of course, this is not perfect randomness or uniformity as some other messages are pointing out, but this is enough for most cases.
I would like to emphasize an answer that was in the comments that is working well for me. As mikey has said, this will work if you want to have variables in the included file in scope in the caller of 'include', just insert it as normal python. It works like an include statement in PHP. Works in Python 3.8.5. Happy coding!
Alternative #1
import textwrap
from pathlib import Path
exec(textwrap.dedent(Path('myfile.py').read_text()))
Alternative #2
with open('myfile.py') as f: exec(f.read())
From the api on GridLayout:
The container is divided into equal-sized rectangles, and one component is placed in each rectangle.
Try using FlowLayout or GridBagLayout for your set size to be meaningful. Also, @Serplat is correct. You need to use setPreferredSize( Dimension ) instead of setSize( int, int ).
JPanel displayPanel = new JPanel();
// JPanel displayPanel = new JPanel( new GridLayout( 4, 2 ) );
// JPanel displayPanel = new JPanel( new BorderLayout() );
// JPanel displayPanel = new JPanel( new GridBagLayout() );
JTextField titleText = new JTextField( "title" );
titleText.setPreferredSize( new Dimension( 200, 24 ) );
// For FlowLayout and GridLayout, uncomment:
displayPanel.add( titleText );
// For BorderLayout, uncomment:
// displayPanel.add( titleText, BorderLayout.NORTH );
// For GridBagLayout, uncomment:
// displayPanel.add( titleText, new GridBagConstraints( 0, 0, 1, 1, 1.0,
// 1.0, GridBagConstraints.CENTER, GridBagConstraints.NONE,
// new Insets( 0, 0, 0, 0 ), 0, 0 ) );
Check out Awesome Print. Parse the JSON string into a Ruby Hash, then display it with ap
like so:
require "awesome_print"
require "json"
json = '{"holy": ["nested", "json"], "batman!": {"a": 1, "b": 2}}'
ap(JSON.parse(json))
With the above, you'll see:
{
"holy" => [
[0] "nested",
[1] "json"
],
"batman!" => {
"a" => 1,
"b" => 2
}
}
Awesome Print will also add some color that Stack Overflow won't show you.
It's not clear to me exactly where the high-score that you're interested in is stored, but the code below should be what you need to check if the file exists and append to it if desired. I prefer this method to the "try/except".
import os
player = 'bob'
filename = player+'.txt'
if os.path.exists(filename):
append_write = 'a' # append if already exists
else:
append_write = 'w' # make a new file if not
highscore = open(filename,append_write)
highscore.write("Username: " + player + '\n')
highscore.close()
You should use JSON.parse
, take a look at https://www.w3schools.com/js/js_json_parse.asp
const obj = JSON.parse('{ "name":"John", "age":30, "city":"New York"}')
console.log(obj.name)
console.log(obj.age)
const util = require('util')
const fs = require('fs');
const fs_writeFile = util.promisify(fs.writeFile)
fs_writeFile('message.txt', 'Hello Node.js')
.catch((error) => {
console.log(error)
});
this
refers to the current instance of the class (object) your equals-method belongs to. When you test this
against an object, the testing method (which is equals(Object obj)
in your case) will check wether or not the object is equal to the current instance (referred to as this
).
An example:
Object obj = this; this.equals(obj); //true Object obj = this; new Object().equals(obj); //false
I had the same error at first and i was really annoyed.
you just need to have ./
before the path to the template
res.render('./index/index');
Hope it works, worked for me.
You can modify the path on the config.xml
file in the default directory
<projectNamingStrategy class="jenkins.model.ProjectNamingStrategy$DefaultProjectNamingStrategy"/>
<workspaceDir>D:/Workspace/${ITEM_FULL_NAME}</workspaceDir>
<buildsDir>D:/Logs/${ITEM_ROOTDIR}/Build</buildsDir>
DateFormat.getDateInstance().format(dateInMS);
First give your form an id
attribute, then use code like this:
$(document).ready( function() {
var form = $('#my_awesome_form');
form.find('select:first').change( function() {
$.ajax( {
type: "POST",
url: form.attr( 'action' ),
data: form.serialize(),
success: function( response ) {
console.log( response );
}
} );
} );
} );
So this code uses .serialize()
to pull out the relevant data from the form. It also assumes the select you care about is the first one in the form.
For future reference, the jQuery docs are very, very good.
Posting your HTML might help a bit. Instead, you can get the element first and then check if it is null or not and then ask for its value rather than just asking for the value directly without knowing if the element is visible on the HTML or not.
element1 = document.getElementById(id);
if(element1 != null)
{
//code to set the value variable.
}
Eclipse PDT is very nice.
In your Laravel deployment it would be
/vendor/laravel/framework/src/Illuminate/Foundation/Application.php
to see who changed your Laravel version look at what's defined in composer.json. If you have "laravel/framework": "5.4.*", then it will update to the latest after composer update is run. Composer.lock is the file that results from running a composer update, so really see who last one to modify the composer.json file was (hopefully you have that in version control). You can read more about it here https://getcomposer.org/doc/01-basic-usage.md
|checked|unchecked|crossed|
|---|---|---|
|✓|_|✗|
Where
? via HTML Entity Code
? via HTML Entity Code
_ via underscore character
and table via markdown table syntax.
In case this helps anyone Googling around like I was, I had this error message trying to access a SVG file on my server, e.g. https://example.com/images/file.svg. Other file types seemed fine, just SVG were failing.
I hunted around /etc/httpd
conf files and checked every require all denied
type of configuration, and just could not find what config was having this effect.
I turned LogLevel to debug in the VirtualHost config and could see the mod_authz_core logging specifying there was a 'Require all denied' in effect:
[Mon Jun 10 13:09:54.321022 2019] [authz_core:debug] [pid 23459:tid 140576341206784] mod_authz_core.c(817): [client 127.0.0.1:54626] AH01626: authorization result of Require all denied: denied
[Mon Jun 10 13:09:54.321038 2019] [authz_core:debug] [pid 23459:tid 140576341206784] mod_authz_core.c(817): [client 127.0.0.1:54626] AH01626: authorization result of <RequireAny>: denied
[Mon Jun 10 13:09:54.321082 2019] [authz_core:error] [pid 23459:tid 140576341206784] [client 127.0.0.1:54626] AH01630: client denied by server configuration: /home/blah/htdocs/images/file.svg
Through blind testing I moved the file to the root of the web root, and found I could then access it at https://example.com/file.svg .. so it only failed in the 'images' folder. This led me to an .htaccess file in the images folder that I had no idea was there.
Turns out Zen Cart 1.5 comes with an images/.htaccess file that has:
# deny *everything*
<FilesMatch ".*">
<IfModule mod_authz_core.c>
Require all denied
</IfModule>
<IfModule !mod_authz_core.c>
Order Allow,Deny
Deny from all
</IfModule>
</FilesMatch>
# but now allow just *certain* necessary files:
<FilesMatch "(?i).*\.(jpe?g|gif|webp|png|swf)$" >
<IfModule mod_authz_core.c>
Require all granted
</IfModule>
<IfModule !mod_authz_core.c>
Order Allow,Deny
Allow from all
</IfModule>
</FilesMatch>
This was very annoying and I hope this might remind others to check .htaccess files at every level of the file system leading to the file you're having trouble accessing in case there is this kind of tom foolery going on.
You will need to add external Repository to your pom, since this is using Mulsoft-Release
repository not Maven Central
<project>
...
<repositories>
<repository>
<id>mulesoft-releases</id>
<name>MuleSoft Repository</name>
<url>http://repository.mulesoft.org/releases/</url>
<layout>default</layout>
</repository>
</repositories>
...
</project>
I know the question was in the context of "android studio 1.5", but I found this answer and have Xamarin installed.
In this case, the location is C:\Program Files (x86)\Android\android-sdk\platform-tools
I use the following method in my JavaFX applications.
newWindowButton.setOnMouseClicked((event) -> {
try {
FXMLLoader fxmlLoader = new FXMLLoader();
fxmlLoader.setLocation(getClass().getResource("NewWindow.fxml"));
/*
* if "fx:controller" is not set in fxml
* fxmlLoader.setController(NewWindowController);
*/
Scene scene = new Scene(fxmlLoader.load(), 600, 400);
Stage stage = new Stage();
stage.setTitle("New Window");
stage.setScene(scene);
stage.show();
} catch (IOException e) {
Logger logger = Logger.getLogger(getClass().getName());
logger.log(Level.SEVERE, "Failed to create new Window.", e);
}
});
Don't know if you solved this, but I just stumble upon this question. If you want to get rid of decimal points, you could use int(x) and it will eliminate all decimal digits. Theres no need to use round(x).
If you have the suhosin extension enabled, it can prevent scripts from setting the memory limit beyond what it started with or some defined cap.
http://www.hardened-php.net/suhosin/configuration.html#suhosin.memory_limit
That's a good question, but I think you just misunderstand what you read.
The ./config --with-pdo-mysql
is something you have to put on only if you compile your own PHP code. If you install it with package managers, you just have to use the command line given by Jany Hartikainen: sudo apt-get install php5-mysql
and also sudo apt-get install pdo-mysql
Apart from the fact mysql_ is really discouraged, they are both independent. If you use PDO mysql_ is not implicated, and if you use mysql_ PDO is not required.
If you turn off PDO without changing any line in your code, you won't have a problem. But since you started to connect and write queries with PDO, you have to keep it and give up mysql_.
Several years ago the MySQL team published a script to migrate to MySQLi. I don't know if it can be customised, but it's official.
Now it's possible and supported by all major browsers: https://developer.mozilla.org/en-US/docs/Web/API/File/File
var file = new File(["foo"], "foo.txt", {
type: "text/plain",
});
I think the best way to do this as of 2018 is to use flexbox.
.text {_x000D_
display: flex;_x000D_
flex-direction: column;_x000D_
align-items: flex-start;_x000D_
}_x000D_
/* same as original below */_x000D_
.text span {_x000D_
background:rgba(165, 220, 79, 0.8);_x000D_
display:inline-block;_x000D_
padding:7px 10px;_x000D_
color:white;_x000D_
}_x000D_
.fullscreen .large { font-size:80px }
_x000D_
<div class="fullscreen">_x000D_
<p class="text">_x000D_
<span class="medium">We</span> _x000D_
<span class="large">build</span> _x000D_
<span class="medium">the</span> _x000D_
<span class="large">Internet</span>_x000D_
</p>_x000D_
</div>
_x000D_
Regarding building a DLL using MinGW, here are some very brief instructions.
First, you need to mark your functions for export, so they can be used by callers of the DLL. To do this, modify them so they look like (for example)
__declspec( dllexport ) int add2(int num){
return num + 2;
}
then, assuming your functions are in a file called funcs.c, you can compile them:
gcc -shared -o mylib.dll funcs.c
The -shared flag tells gcc to create a DLL.
To check if the DLL has actually exported the functions, get hold of the free Dependency Walker tool and use it to examine the DLL.
For a free IDE which will automate all the flags etc. needed to build DLLs, take a look at the excellent Code::Blocks, which works very well with MinGW.
Edit: For more details on this subject, see the article Creating a MinGW DLL for Use with Visual Basic on the MinGW Wiki.
DATEPART function doesn't work on MySQL 5.6, instead use MONTH('2018-01-01')
The most likely reason for the error is that the certificate authority that issued your SSL certificate is trusted on your desktop, but not on your mobile.
If you purchased the certificate from a common certification authority, it shouldn't be an issue - but if it is a less common one it is possible that your phone doesn't have it. You may need to accept it as a trusted publisher (although this is not ideal if you are pushing the site to the public as they won't be willing to do this.)
You might find looking at a list of Trusted CAs for Android helps to see if yours is there or not.
Though in the OP's case the timezone is EDT, there's not guarantee the user executing your script will be int he EDT timezone, so hardcoding the offset won't necessarily work. The solution I found splits the date string and uses the separate values in the Date constructor.
var dateString = "2011-09-24";
var dateParts = dateString.split("-");
var date = new Date(dateParts[0], dateParts[1] - 1, dateParts[2]);
Note that you have to account for another piece of JS weirdness: the month is zero-based.
I think it's a little simpler to use the dplyr
functions select
and left_join
; at least it's easier for me to understand. The join function from dplyr
are made to mimic sql arguments.
library(tidyverse)
DF2 <- DF2 %>%
select(client, LO)
joined_data <- left_join(DF1, DF2, by = "Client")
You don't actually need to use the "by" argument in this case because the columns have the same name.
I just made sure that I am in the same directory as the json file and then simply ran this
curl -s -H "Content-Type: application/json" -XPOST localhost:9200/product/default/_bulk?pretty --data-binary @product.json
So if you too make sure you are at the same directory and run it this way. Note: product/default/ in the command is something specific to my environment. you can omit it or replace it with whatever is relevant to you.
You can use
<?php the_category(', '); ?>
which would output them in a comma separated list.
You can also do the same for tags as well:
<?php the_tags('<em>:</em>', ', ', ''); ?>
In OS X 10.6, the open
command was enhanced to allow passing of arguments to the application:
open ./AppName.app --args -AppCommandLineArg
But for older versions of Mac OS X, and because app bundles aren't designed to be passed command line arguments, the conventional mechanism is to use Apple Events for files like here for Cocoa apps or here for Carbon apps. You could also probably do something kludgey by passing parameters in using environment variables.
Other answers have given very accurate responses and I am not completely sure what exactly was your problem(if it was just due to unknown type in your program then you would have gotten many more clear cut errors along with the one you mentioned) but to add on further information this error is also raised if we add the function type as void while calling the function as you can see further below:
#include<iostream>
#include<vector>
#include<utility>
#include<map>
using namespace std;
void fun(int x);
main()
{
int q=9;
void fun(q); //line no 10
}
void fun(int x)
{
if (x==9)
cout<<"yes";
else
cout<<"no";
}
Error:
C:\Users\ACER\Documents\C++ programs\exp1.cpp|10|error: variable or field 'fun' declared void|
||=== Build failed: 1 error(s), 0 warning(s) (0 minute(s), 0 second(s)) ===|
So as we can see from this example this reason can also result in "variable or field declared void" error.
One word answer: asynchronicity.
This topic has been iterated at least a couple of thousands of times, here, in Stack Overflow. Hence, first off I'd like to point out some extremely useful resources:
@Felix Kling's answer to "How do I return the response from an asynchronous call?". See his excellent answer explaining synchronous and asynchronous flows, as well as the "Restructure code" section.
@Benjamin Gruenbaum has also put a lot of effort explaining asynchronicity in the same thread.
@Matt Esch's answer to "Get data from fs.readFile" also explains asynchronicity extremely well in a simple manner.
Let's trace the common behavior first. In all examples, the outerScopeVar
is modified inside of a function. That function is clearly not executed immediately, it is being assigned or passed as an argument. That is what we call a callback.
Now the question is, when is that callback called?
It depends on the case. Let's try to trace some common behavior again:
img.onload
may be called sometime in the future, when (and if) the image has successfully loaded.setTimeout
may be called sometime in the future, after the delay has expired and the timeout hasn't been canceled by clearTimeout
. Note: even when using 0
as delay, all browsers have a minimum timeout delay cap (specified to be 4ms in the HTML5 spec).$.post
's callback may be called sometime in the future, when (and if) the Ajax request has been completed successfully.fs.readFile
may be called sometime in the future, when the file has been read successfully or thrown an error.In all cases, we have a callback which may run sometime in the future. This "sometime in the future" is what we refer to as asynchronous flow.
Asynchronous execution is pushed out of the synchronous flow. That is, the asynchronous code will never execute while the synchronous code stack is executing. This is the meaning of JavaScript being single-threaded.
More specifically, when the JS engine is idle -- not executing a stack of (a)synchronous code -- it will poll for events that may have triggered asynchronous callbacks (e.g. expired timeout, received network response) and execute them one after another. This is regarded as Event Loop.
That is, the asynchronous code highlighted in the hand-drawn red shapes may execute only after all the remaining synchronous code in their respective code blocks have executed:
In short, the callback functions are created synchronously but executed asynchronously. You just can't rely on the execution of an asynchronous function until you know it has executed, and how to do that?
It is simple, really. The logic that depends on the asynchronous function execution should be started/called from inside this asynchronous function. For example, moving the alert
s and console.log
s too inside the callback function would output the expected result, because the result is available at that point.
Often you need to do more things with the result from an asynchronous function or do different things with the result depending on where the asynchronous function has been called. Let's tackle a bit more complex example:
var outerScopeVar;
helloCatAsync();
alert(outerScopeVar);
function helloCatAsync() {
setTimeout(function() {
outerScopeVar = 'Nya';
}, Math.random() * 2000);
}
Note: I'm using setTimeout
with a random delay as a generic asynchronous function, the same example applies to Ajax, readFile
, onload
and any other asynchronous flow.
This example clearly suffers from the same issue as the other examples, it is not waiting until the asynchronous function executes.
Let's tackle it implementing a callback system of our own. First off, we get rid of that ugly outerScopeVar
which is completely useless in this case. Then we add a parameter which accepts a function argument, our callback. When the asynchronous operation finishes, we call this callback passing the result. The implementation (please read the comments in order):
// 1. Call helloCatAsync passing a callback function,
// which will be called receiving the result from the async operation
helloCatAsync(function(result) {
// 5. Received the result from the async function,
// now do whatever you want with it:
alert(result);
});
// 2. The "callback" parameter is a reference to the function which
// was passed as argument from the helloCatAsync call
function helloCatAsync(callback) {
// 3. Start async operation:
setTimeout(function() {
// 4. Finished async operation,
// call the callback passing the result as argument
callback('Nya');
}, Math.random() * 2000);
}
Code snippet of the above example:
// 1. Call helloCatAsync passing a callback function,_x000D_
// which will be called receiving the result from the async operation_x000D_
console.log("1. function called...")_x000D_
helloCatAsync(function(result) {_x000D_
// 5. Received the result from the async function,_x000D_
// now do whatever you want with it:_x000D_
console.log("5. result is: ", result);_x000D_
});_x000D_
_x000D_
// 2. The "callback" parameter is a reference to the function which_x000D_
// was passed as argument from the helloCatAsync call_x000D_
function helloCatAsync(callback) {_x000D_
console.log("2. callback here is the function passed as argument above...")_x000D_
// 3. Start async operation:_x000D_
setTimeout(function() {_x000D_
console.log("3. start async operation...")_x000D_
console.log("4. finished async operation, calling the callback, passing the result...")_x000D_
// 4. Finished async operation,_x000D_
// call the callback passing the result as argument_x000D_
callback('Nya');_x000D_
}, Math.random() * 2000);_x000D_
}
_x000D_
Most often in real use cases, the DOM API and most libraries already provide the callback functionality (the helloCatAsync
implementation in this demonstrative example). You only need to pass the callback function and understand that it will execute out of the synchronous flow, and restructure your code to accommodate for that.
You will also notice that due to the asynchronous nature, it is impossible to return
a value from an asynchronous flow back to the synchronous flow where the callback was defined, as the asynchronous callbacks are executed long after the synchronous code has already finished executing.
Instead of return
ing a value from an asynchronous callback, you will have to make use of the callback pattern, or... Promises.
Although there are ways to keep the callback hell at bay with vanilla JS, promises are growing in popularity and are currently being standardized in ES6 (see Promise - MDN).
Promises (a.k.a. Futures) provide a more linear, and thus pleasant, reading of the asynchronous code, but explaining their entire functionality is out of the scope of this question. Instead, I'll leave these excellent resources for the interested:
Note: I've marked this answer as Community Wiki, hence anyone with at least 100 reputations can edit and improve it! Please feel free to improve this answer, or submit a completely new answer if you'd like as well.
I want to turn this question into a canonical topic to answer asynchronicity issues which are unrelated to Ajax (there is How to return the response from an AJAX call? for that), hence this topic needs your help to be as good and helpful as possible!
All you need to do for that is a simple loop.
This doesn't handle testing for lower case, upper-case mismatch.
If this isn't exactly what you are looking for, comment, and I can revise.
If you are planning to learn VBA. This is a great start.
TESTED:
Sub MatchAndColor()
Dim lastRow As Long
Dim sheetName As String
sheetName = "Sheet1" 'Insert your sheet name here
lastRow = Sheets(sheetName).Range("A" & Rows.Count).End(xlUp).Row
For lRow = 2 To lastRow 'Loop through all rows
If Sheets(sheetName).Cells(lRow, "A") = Sheets(sheetName).Cells(lRow, "B") Then
Sheets(sheetName).Cells(lRow, "A").Interior.ColorIndex = 3 'Set Color to RED
End If
Next lRow
End Sub
data = []
with codecs.open('d:\output.txt','rU','utf-8') as f:
for line in f:
data.append(json.loads(line))
What I do is create a vertical block for the shadow, and place it next to where my block element should be. The two blocks are then wrapped into another block:
<div id="wrapper">
<div id="shadow"></div>
<div id="content">CONTENT</div>
</div>
<style>
div#wrapper {
width:200px;
height:258px;
}
div#wrapper > div#shadow {
display:inline-block;
width:1px;
height:100%;
box-shadow: -3px 0px 5px 0px rgba(0,0,0,0.8)
}
div#wrapper > div#content {
display:inline-block;
height:100%;
vertical-align:top;
}
</style>
jsFiddle example here.
You need to set postion:relative of outer DIV and position:absolute of inner div.
Try this. Here is the Demo
#one
{
background-color: #EEE;
margin: 62px 258px;
padding: 5px;
width: 200px;
position: relative;
}
#two
{
background-color: #F00;
display: inline-block;
height: 30px;
position: absolute;
width: 100px;
top:10px;
}?
You can't pass objects using router params, only strings because it needs to be reflected in the URL. It would be probably a better approach to use a shared service to pass data around between routed components anyway.
The old router allows to pass data
but the new (RC.1
) router doesn't yet.
Update
data
was re-introduced in RC.4
How do I pass data in Angular 2 components while using Routing?
Try select substr(orderno, 1,2) from shipment;
Sometimes you get a case where some of the requests made with axios are pointed to endpoints that do not accept authorization headers. Thus, alternative way to set authorization header only on allowed domain is as in the example below. Place the following function in any file that gets executed each time React application runs such as in routes file.
export default () => {
axios.interceptors.request.use(function (requestConfig) {
if (requestConfig.url.indexOf(<ALLOWED_DOMAIN>) > -1) {
const token = localStorage.token;
requestConfig.headers['Authorization'] = `Bearer ${token}`;
}
return requestConfig;
}, function (error) {
return Promise.reject(error);
});
}
I came over this discussion while searching for a good C# method to join strings like it is done with the MySql method CONCAT_WS()
. This method differs from the string.Join()
method in that it does not add the separator sign if strings are NULL or empty.
CONCAT_WS(', ',tbl.Lastname,tbl.Firstname)
will return only Lastname
if firstname is empty, whilst
string.Join(", ", strLastname, strFirstname)
will return strLastname + ", "
in the same case.
Wanting the first behavior, I wrote the following methods:
public static string JoinStringsIfNotNullOrEmpty(string strSeparator, string strA, string strB, string strC = "")
{
return JoinStringsIfNotNullOrEmpty(strSeparator, new[] {strA, strB, strC});
}
public static string JoinStringsIfNotNullOrEmpty(string strSeparator, string[] arrayStrings)
{
if (strSeparator == null)
strSeparator = "";
if (arrayStrings == null)
return "";
string strRetVal = arrayStrings.Where(str => !string.IsNullOrEmpty(str)).Aggregate("", (current, str) => current + (str + strSeparator));
int trimEndStartIndex = strRetVal.Length - strSeparator.Length;
if (trimEndStartIndex>0)
strRetVal = strRetVal.Remove(trimEndStartIndex);
return strRetVal;
}
list(df.select_dtypes(['object']).columns)
This should do the trick
In your last block you have a comma after 'lang', followed immediately with a function. This is not valid json.
EDIT
It appears that the readme was incorrect. I had to to pass an array with the string 'twitter'.
var converter = new Showdown.converter({extensions: ['twitter']}); converter.makeHtml('whatever @meandave2020'); // output "<p>whatever <a href="http://twitter.com/meandave2020">@meandave2020</a></p>"
I submitted a pull request to update this.
I think all the above do not answer this question due to following reasons,
but none has told the exact reason behind it & as I believe these kind of questions can be best answered by java community itself as it will have only one & specific answer but let me try my best to answer this as following,
As we know sorting is an expensive operation and there is a basic difference between List & Set/Map that List can have duplicates but Set/Map can not. This is the core reason why we have got a default implementation for Set/Map in form of TreeSet/TreeMap. Internally this is a Red Black Tree with every operation (insert/delete/search) having the complexity of O(log N) where due to duplicates List could not fit in this data storage structure.
Now the question arises we could also choose a default sorting method for List also like MergeSort which is used by Collections.sort(list)
method with the complexity of O(N log N). Community did not do this deliberately since we do have multiple choices for sorting algorithms for non distinct elements like QuickSort, ShellSort, RadixSort...etc. In future there can be more. Also sometimes same sorting algorithm performs differently depending on the data to be sorted. Therefore they wanted to keep this option open and left this on us to choose. This was not the case with Set/Map since O(log N) is the best sorting complexity.
You can't create variables in CSS right now. If you want this sort of functionality you will need to use a CSS preprocessor like SASS or LESS. Here are your styles as they would appear in SASS:
$Color1:#fff;
$Color2:#b00;
$Color3:#050;
h1 {
color:$Color1;
background:$Color2;
}
They also allow you to do other (awesome) things like nesting selectors:
#some-id {
color:red;
&:hover {
cursor:pointer;
}
}
This would compile to:
#some-id { color:red; }
#some-id:hover { cursor:pointer; }
Check out the official SASS tutorial for setup instructions and more on syntax/features. Personally I use a Visual Studio extension called Web Workbench by Mindscape for easy developing, there are a lot of plugins for other IDEs as well.
As of July/August 2014, Firefox has implemented the draft spec for CSS variables, here is the syntax:
:root {
--main-color: #06c;
--accent-color: #006;
}
/* The rest of the CSS file */
#foo h1 {
color: var(--main-color);
}
Here is a great chrome extension to bulk delete your slack channel/group/im messages - https://slackext.com/deleter , where you can filter the messages by star, time range, or users. BTW, it also supports load all messages in recent version, then you can load your ~8k messages as you need.
Alternatively to the suggested 3 methods you can try let
which carries out arithmetic operations on variables as follows:
let COUNT=$FIRSTV-$SECONDV
or
let COUNT=FIRSTV-SECONDV
The keyboard seems to pop up when the EditText gains focus. To prevent this, set focusable to false:
<EditText
...
android:focusable="false"
... />
This behavior can vary on different manufacturers' Android OS flavors, but on the devices I've tested I have found this to to be sufficient. If the keyboard still pops up, using hints instead of text seems to help as well:
myEditText.setText("My text"); // instead of this...
myEditText.setHint("My text"); // try this
Once you've done this, your on click listener should work as desired:
myEditText.setOnClickListener(new OnClickListener() {...});
each
passes into your function index
and element
. Check index
against the length of the set and you're good to go:
var set = $('.requiredText');
var length = set.length;
set.each(function(index, element) {
thisVal = $(this).val();
if(parseInt(thisVal) !== 0) {
console.log('Valid Field: ' + thisVal);
if (index === (length - 1)) {
console.log('Last field, submit form here');
}
}
});
You can ssh
directly from the Terminal on Mac, but you need to use a .PEM
key rather than the putty
.PPK
key. You can use PuttyGen on Windows to convert from .PEM
to .PPK
, I'm not sure about the other way around though.
You can also convert the key using putty
for Mac via port
or brew
:
sudo port install putty
or
brew install putty
This will also install puttygen
. To get puttygen
to output a .PEM
file:
puttygen privatekey.ppk -O private-openssh -o privatekey.pem
Once you have the key, open a terminal window and:
ssh -i privatekey.pem [email protected]
The private key must have tight security settings otherwise SSH complains. Make sure only the user can read the key.
chmod go-rw privatekey.pem
In simple words:
/==========================================================================================
Type Bits Have up to Approximate Range
/==========================================================================================
float 32 7 digits -3.4 × 10 ^ (38) to +3.4 × 10 ^ (38)
double 64 15-16 digits ±5.0 × 10 ^ (-324) to ±1.7 × 10 ^ (308)
decimal 128 28-29 significant digits ±7.9 x 10 ^ (28) or (1 to 10 ^ (28)
/==========================================================================================
You can read more here, Float, Double, and Decimal.
The most simplest solution I have seen to supply a short execution to the UI thread is via the post() method of a view. This is needed since UI methods are not re-entrant. The method for this is:
package android.view;
public class View;
public boolean post(Runnable action);
The post() method corresponds to the SwingUtilities.invokeLater(). Unfortunately I didn't find something simple that corresponds to the SwingUtilities.invokeAndWait(), but one can build the later based on the former with a monitor and a flag.
So what you save by this is creating a handler. You simply need to find your view and then post on it. You can find your view via findViewById() if you tend to work with id-ed resources. The resulting code is very simple:
/* inside your non-UI thread */
view.post(new Runnable() {
public void run() {
/* the desired UI update */
}
});
}
Note: Compared to SwingUtilities.invokeLater() the method View.post() does return a boolean, indicating whether the view has an associated event queue. Since I used the invokeLater() resp. post() anyway only for fire and forget, I did not check the result value. Basically you should call post() only after onAttachedToWindow() has been called on the view.
Best Regards
There's one in scipy.stats:
>>> import scipy.stats
>>> scipy.stats.norm(0, 1)
<scipy.stats.distributions.rv_frozen object at 0x928352c>
>>> scipy.stats.norm(0, 1).pdf(0)
0.3989422804014327
>>> scipy.stats.norm(0, 1).cdf(0)
0.5
>>> scipy.stats.norm(100, 12)
<scipy.stats.distributions.rv_frozen object at 0x928352c>
>>> scipy.stats.norm(100, 12).pdf(98)
0.032786643008494994
>>> scipy.stats.norm(100, 12).cdf(98)
0.43381616738909634
>>> scipy.stats.norm(100, 12).cdf(100)
0.5
[One thing to beware of -- just a tip -- is that the parameter passing is a little broad. Because of the way the code is set up, if you accidentally write scipy.stats.norm(mean=100, std=12)
instead of scipy.stats.norm(100, 12)
or scipy.stats.norm(loc=100, scale=12)
, then it'll accept it, but silently discard those extra keyword arguments and give you the default (0,1).]
If anyone looking to have retry limit:
max_retry=5
counter=0
until $command
do
sleep 1
[[ counter -eq $max_retry ]] && echo "Failed!" && exit 1
echo "Trying again. Try #$counter"
((counter++))
done
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(server_IP,22,username, password)
stdin, stdout, stderr = ssh.exec_command('/Users/lteue/Downloads/uecontrol-CXC_173_6456-R32A01/uecontrol.sh -host localhost ')
alldata = ""
while not stdout.channel.exit_status_ready():
solo_line = ""
# Print stdout data when available
if stdout.channel.recv_ready():
# Retrieve the first 1024 bytes
solo_line = stdout.channel.recv(1024)
alldata += solo_line
if(cmp(solo_line,'uec> ') ==0 ): #Change Conditionals to your code here
if num_of_input == 0 :
data_buffer = ""
for cmd in commandList :
#print cmd
stdin.channel.send(cmd) # send input commmand 1
num_of_input += 1
if num_of_input == 1 :
stdin.channel.send('q \n') # send input commmand 2 , in my code is exit the interactive session, the connect will close.
num_of_input += 1
print alldata
ssh.close()
Why the stdout.read() will hang if use dierectly without checking stdout.channel.recv_ready(): in while stdout.channel.exit_status_ready():
For my case ,after run command on remote server , the session is waiting for user input , after input 'q' ,it will close the connection . But before inputting 'q' , the stdout.read() will waiting for EOF,seems this methord does not works if buffer is larger .
I had to restore a bunch of deleted files from a specific commit, and I managed it with two commands:
git show <rev> --diff-filter=D --summary --name-only --no-commit-id | xargs git checkout <rev>^ --
git show <rev> --diff-filter=D --summary --name-only --no-commit-id | xargs git reset HEAD
(Note the trailing space on the end of each command.)
The files had been added to the .gitignore file and then cleared with git rm
. I needed to restore the files, but then unstage them. I had hundreds of files to restore, and typing things manually for each file as in the other examples was going to be far too slow.
Going Relative:
Going Absolute:
I use this method:
$(function() {
return $(".modal").on("show.bs.modal", function() {
var curModal;
curModal = this;
$(".modal").each(function() {
if (this !== curModal) {
$(this).modal("hide");
}
});
});
});
This may be a way to do it too. Inspired from these links Experts-exchange and alinalexander
function slugifier($txt){
/* Get rid of accented characters */
$search = explode(",","ç,æ,œ,á,é,í,ó,ú,à,è,ì,ò,ù,ä,ë,ï,ö,ü,ÿ,â,ê,î,ô,û,å,e,i,ø,u");
$replace = explode(",","c,ae,oe,a,e,i,o,u,a,e,i,o,u,a,e,i,o,u,y,a,e,i,o,u,a,e,i,o,u");
$txt = str_replace($search, $replace, $txt);
/* Lowercase all the characters */
$txt = strtolower($txt);
/* Avoid whitespace at the beginning and the ending */
$txt = trim($txt);
/* Replace all the characters that are not in a-z or 0-9 by a hyphen */
$txt = preg_replace("/[^a-z0-9]/", "-", $txt);
/* Remove hyphen anywhere it's more than one */
$txt = preg_replace("/[\-]+/", '-', $txt);
return $txt;
}
It depends on how you store the parsed CSV, but generally you want the del operator.
If you have an array of dicts:
input = [ {'day':01, 'month':04, 'year':2001, ...}, ... ]
for E in input: del E['year']
If you have an array of arrays:
input = [ [01, 04, 2001, ...],
[...],
...
]
for E in input: del E[2]
The other answer describing arrays of arrays are correct.
BUT if you are planning of doing a anything mathematical with the arrays - or need something special like sparse matrices you should look at one of the many maths libs like TNT before re-inventing too many wheels
Context
means component (or application) in various time-period. If I do eat so much food between 1 to 2 pm then my context of that time is used to access all methods (or resources) that I use during that time. Content is a component (application) for a particular time. The Context
of components of the application keeps changing based on the underlying lifecycle of the components or application.
For instance, inside the onCreate() of an Activity
,
getBaseContext()
-- gives the context
of the Activity
that is set (created) by the constructor of activity.
getApplicationContext()
-- gives the Context
setup (created) during the creation of application.
Note: <application>
holds all Android Components.
<application>
<activity> .. </activity>
<service> .. </service>
<receiver> .. </receiver>
<provider> .. </provider>
</application>
It means, when you call getApplicationContext()
from inside whatever component, you are calling the common context of the whole application.
Context
keeps being modified by the system based on the lifecycle of components.
Is this what you are looking for?
public function GetIndex(byref iaList() as integer, byval iInteger as integer) as integer
dim i as integer
for i=lbound(ialist) to ubound(ialist)
if iInteger=ialist(i) then
GetIndex=i
exit for
end if
next i
end function
It will be better for you to write your code like this.
In your Controller Write this code.
function new_blank_order_summary() {
$query = $this->sales_model->order_summary_insert();
if($query) {
$this->load->view('sales/new_blank_order_summary');
} else {
$this->load->view('sales/data_insertion_failed');
}
}
and in your Model
function order_summary_insert() {
$orderLines = trim(xss_clean($this->input->post('orderlines')));
$customerName = trim(xss_clean($this->input->post('customer')));
$data = array(
'OrderLines'=>$orderLines,
'CustomerName'=>$customerName
);
$this->db->insert('Customer_Orders',$data);
return ($this->db->affected_rows() != 1) ? false : true;
}
Yes, I would either use the <pre>
tag or use ng-bind-html-unsafe
http://docs-angularjs-org-dev.appspot.com/api/ng.directive:ngBindHtmlUnsafe (use ng-bind-html if you are using 1.2+) after using .replace()
to change /n
to <br />
it works for me, just change: Provider=Microsoft.Jet.OLEDB.4.0 (VS2013)
OleDbConnection connection = new OleDbConnection(
"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Z:\\GENERAL\\OFMPTP_PD_SG.MDB");
DataSet DS = new DataSet();
connection.Open();
string query =
@"SELECT * from MONTHLYPROD";
OleDbDataAdapter DBAdapter = new OleDbDataAdapter();
DBAdapter.SelectCommand = new OleDbCommand(query, connection);
DBAdapter.Fill(DS);
Luis Montoya
The problem is that /var/www
doesn't exist either, and mkdir
isn't recursive by default -- it expects the immediate parent directory to exist.
Use:
mkdir -p /var/www/app
...or install a package that creates a /var/www
prior to reaching this point in your Dockerfile.
You can len(list(generator))
but you could probably make something more efficient if you really intend to discard the results.
The short answer is for creating an attribute in c# you only need to inherit it from Attribute class, Just this :)
But here I'm going to explain attributes in detail:
basically attributes are classes that we can use them for applying our logic to assemblies, classes, methods, properties, fields, ...
In .Net, Microsoft has provided some predefined Attributes like Obsolete or Validation Attributes like ( [Required], [StringLength(100)], [Range(0, 999.99)]), also we have kind of attributes like ActionFilters in asp.net that can be very useful for applying our desired logic to our codes (read this article about action filters if you are passionate to learn it)
one another point, you can apply a kind of configuration on your attribute via AttibuteUsage.
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct, AllowMultiple = true)]
When you decorate an attribute class with AttributeUsage you can tell to c# compiler where I'm going to use this attribute: I'm going to use this on classes, on assemblies on properties or on ... and my attribute is allowed to use several times on defined targets(classes, assemblies, properties,...) or not?!
After this definition about attributes I'm going to show you an example: Imagine we want to define a new lesson in university and we want to allow just admins and masters in our university to define a new Lesson, Ok?
namespace ConsoleApp1
{
/// <summary>
/// All Roles in our scenario
/// </summary>
public enum UniversityRoles
{
Admin,
Master,
Employee,
Student
}
/// <summary>
/// This attribute will check the Max Length of Properties/fields
/// </summary>
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct, AllowMultiple = true)]
public class ValidRoleForAccess : Attribute
{
public ValidRoleForAccess(UniversityRoles role)
{
Role = role;
}
public UniversityRoles Role { get; private set; }
}
/// <summary>
/// we suppose that just admins and masters can define new Lesson
/// </summary>
[ValidRoleForAccess(UniversityRoles.Admin)]
[ValidRoleForAccess(UniversityRoles.Master)]
public class Lesson
{
public Lesson(int id, string name, DateTime startTime, User owner)
{
var lessType = typeof(Lesson);
var validRolesForAccesses = lessType.GetCustomAttributes<ValidRoleForAccess>();
if (validRolesForAccesses.All(x => x.Role.ToString() != owner.GetType().Name))
{
throw new Exception("You are not Allowed to define a new lesson");
}
Id = id;
Name = name;
StartTime = startTime;
Owner = owner;
}
public int Id { get; private set; }
public string Name { get; private set; }
public DateTime StartTime { get; private set; }
/// <summary>
/// Owner is some one who define the lesson in university website
/// </summary>
public User Owner { get; private set; }
}
public abstract class User
{
public int Id { get; set; }
public string Name { get; set; }
public DateTime DateOfBirth { get; set; }
}
public class Master : User
{
public DateTime HireDate { get; set; }
public Decimal Salary { get; set; }
public string Department { get; set; }
}
public class Student : User
{
public float GPA { get; set; }
}
class Program
{
static void Main(string[] args)
{
#region exampl1
var master = new Master()
{
Name = "Hamid Hasani",
Id = 1,
DateOfBirth = new DateTime(1994, 8, 15),
Department = "Computer Engineering",
HireDate = new DateTime(2018, 1, 1),
Salary = 10000
};
var math = new Lesson(1, "Math", DateTime.Today, master);
#endregion
#region exampl2
var student = new Student()
{
Name = "Hamid Hasani",
Id = 1,
DateOfBirth = new DateTime(1994, 8, 15),
GPA = 16
};
var literature = new Lesson(2, "literature", DateTime.Now.AddDays(7), student);
#endregion
ReadLine();
}
}
}
In the real world of programming maybe we don't use this approach for using attributes and I said this because of its educational point in using attributes
Solved by adding the following dependency into pom.xml file :
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>test</scope>
</dependency>
As Jon Skeet mentioned you can do it with a List<Track>
instead. The Track class would look something like this:
public class Track {
public int TrackID { get; set; }
public string Name { get; set; }
public string Artist { get; set; }
public string Album { get; set; }
public int PlayCount { get; set; }
public int SkipCount { get; set; }
}
And to create a track list as a List<Track>
you simply do this:
var trackList = new List<Track>();
Adding tracks can be as simple as this:
trackList.add( new Track {
TrackID = 1234,
Name = "I'm Gonna Be (500 Miles)",
Artist = "The Proclaimers",
Album = "Finest",
PlayCount = 10,
SkipCount = 1
});
Accessing tracks can be done with the indexing operator:
Track firstTrack = trackList[0];
Hope this helps.
select *
from blah
where DatetimeField between '22/02/2009 09:00:00.000' and '23/05/2009 10:30:00.000'
Depending on the country setting for the login, the month/day may need to be swapped around.
Copy in plain notepad (git clone https://github.com/./Spoon-Knife.git) and paste it in cmd. now it will work.
Just wondering why you are using 2 directives?
It seems like, in this case it would be more straightforward to have a controller as the parent - handle adding the data from your service to its $scope, and pass the model you need from there into your warrantyDirective.
Or for that matter, you could use 0 directives to achieve the same result. (ie. move all functionality out of the separate directives and into a single controller).
It doesn't look like you're doing any explicit DOM transformation here, so in this case, perhaps using 2 directives is overcomplicating things.
Alternatively, have a look at the Angular documentation for directives: http://docs.angularjs.org/guide/directive The very last example at the bottom of the page explains how to wire up dependent directives.
I understand using a global variable is sometimes the most convenient thing to do, especially in cases where usage of class makes the easiest thing so much harder (e.g., multiprocessing
). I ran into the same problem with declaring global variables and figured it out with some experiments.
The reason that g_c
was not changed by the run
function within your class is that the referencing to the global name within g_c
was not established precisely within the function. The way Python handles global declaration is in fact quite tricky. The command global g_c
has two effects:
Preconditions the entrance of the key "g_c"
into the dictionary accessible by the built-in function, globals()
. However, the key will not appear in the dictionary until after a value is assigned to it.
(Potentially) alters the way Python looks for the variable g_c
within the current method.
The full understanding of (2) is particularly complex. First of all, it only potentially alters, because if no assignment to the name g_c
occurs within the method, then Python defaults to searching for it among the globals()
. This is actually a fairly common thing, as is the case of referencing within a method modules that are imported all the way at the beginning of the code.
However, if an assignment command occurs anywhere within the method, Python defaults to finding the name g_c
within local variables. This is true even when a referencing occurs before an actual assignment, which will lead to the classic error:
UnboundLocalError: local variable 'g_c' referenced before assignment
Now, if the declaration global g_c
occurs anywhere within the method, even after any referencing or assignment, then Python defaults to finding the name g_c
within global variables. However, if you are feeling experimentative and place the declaration after a reference, you will be rewarded with a warning:
SyntaxWarning: name 'g_c' is used prior to global declaration
If you think about it, the way the global declaration works in Python is clearly woven into and consistent with how Python normally works. It's just when you actually want a global variable to work, the norm becomes annoying.
Here is a code that summarizes what I just said (with a few more observations):
g_c = 0
print ("Initial value of g_c: " + str(g_c))
print("Variable defined outside of method automatically global? "
+ str("g_c" in globals()))
class TestClass():
def direct_print(self):
print("Directly printing g_c without declaration or modification: "
+ str(g_c))
#Without any local reference to the name
#Python defaults to search for the variable in globals()
#This of course happens for all the module names you import
def mod_without_dec(self):
g_c = 1
#A local assignment without declaring reference to global variable
#makes Python default to access local name
print ("After mod_without_dec, local g_c=" + str(g_c))
print ("After mod_without_dec, global g_c=" + str(globals()["g_c"]))
def mod_with_late_dec(self):
g_c = 2
#Even with a late declaration, the global variable is accessed
#However, a syntax warning will be issued
global g_c
print ("After mod_with_late_dec, local g_c=" + str(g_c))
print ("After mod_with_late_dec, global g_c=" + str(globals()["g_c"]))
def mod_without_dec_error(self):
try:
print("This is g_c" + str(g_c))
except:
print("Error occured while accessing g_c")
#If you try to access g_c without declaring it global
#but within the method you also alter it at some point
#then Python will not search for the name in globals()
#!!!!!Even if the assignment command occurs later!!!!!
g_c = 3
def sound_practice(self):
global g_c
#With correct declaration within the method
#The local name g_c becomes an alias for globals()["g_c"]
g_c = 4
print("In sound_practice, the name g_c points to: " + str(g_c))
t = TestClass()
t.direct_print()
t.mod_without_dec()
t.mod_with_late_dec()
t.mod_without_dec_error()
t.sound_practice()
You can use:
jQuery('[name="' + nameAttributeValue + '"]');
this will be an inefficient way to select elements though, so it would be best to also use the tag name or restrict the search to a specific element:
jQuery('div[name="' + nameAttributeValue + '"]'); // with tag name
jQuery('div[name="' + nameAttributeValue + '"]',
document.getElementById('searcharea')); // with a search base
If you want to change the size of plot the use arg figsize
df.groupby(['NFF', 'ABUSE']).size().unstack()
.plot(kind='bar', stacked=True, figsize=(15, 5))
I fully support @Charles Bretana's answer. However, if it's not working, please make sure that there is only one <section>
element AND that configSections
is the first child of the root element:
configsections
must be the first element in your app.Config
after configuration:
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net, Version=1.2.10.0, Culture=neutral, PublicKeyToken=1b44e1d426115821" />
</configSections>
<!-- add log 4 net config !-->
<!-- add others e.g. <startup> !-->
</configuration>
JOptionPane.showMessageDialog(btn1, "you are clicked save button","title of dialog",2);
btn1 is a JButton variable and its used in this dialog to dialog open position btn1 or textfield etc, by default use null position of the frame.next your message and next is the title of dialog. 2 numbers of alert type icon 3 is the information 1,2,3,4. Ok I hope you understand it
It may be usefull.
All values in array represent what you want to be (null, undefined or another things) and you search what you want in it.
var variablesWhatILookFor = [null, undefined, ''];
variablesWhatILookFor.indexOf(document.DocumentNumberLabel) > -1
After making the id
unique across the document
,You have to use event delegation
$("#container").on("click", "buttonid", function () {
alert("Hi");
});
in case someone got stuck with this and none of the answers above worked, below is what worked for me. Hope it helps.
var oldString = "\\r|\\n";
// None of these worked for me
// var newString = oldString(@"\\", @"\");
// var newString = oldString.Replace("\\\\", "\\");
// var newString = oldString.Replace("\\u5b89", "\u5b89");
// var newString = Regex.Replace(oldString , @"\\", @"\");
// This is what worked
var newString = Regex.Unescape(oldString);
// newString is now "\r|\n"
I was able to accomplish this with VBA in Excel 2013. No special editors needed. All you need is the Visual Basic code editor which can be accessed on the Developer tab. The Developer tab is not visible by default so it needs to be enabled in File>Options>Customize Ribbon. On the Developer tab, click the Visual Basic button. The code editor will launch. Right click in the Project Explorer pane on the left. Click the insert menu and choose module. Add both subs below to the new module.
Sub LoadCustRibbon()
Dim hFile As Long
Dim path As String, fileName As String, ribbonXML As String, user As String
hFile = FreeFile
user = Environ("Username")
path = "C:\Users\" & user & "\AppData\Local\Microsoft\Office\"
fileName = "Excel.officeUI"
ribbonXML = "<mso:customUI xmlns:mso='http://schemas.microsoft.com/office/2009/07/customui'>" & vbNewLine
ribbonXML = ribbonXML + " <mso:ribbon>" & vbNewLine
ribbonXML = ribbonXML + " <mso:qat/>" & vbNewLine
ribbonXML = ribbonXML + " <mso:tabs>" & vbNewLine
ribbonXML = ribbonXML + " <mso:tab id='reportTab' label='Reports' insertBeforeQ='mso:TabFormat'>" & vbNewLine
ribbonXML = ribbonXML + " <mso:group id='reportGroup' label='Reports' autoScale='true'>" & vbNewLine
ribbonXML = ribbonXML + " <mso:button id='runReport' label='PTO' " & vbNewLine
ribbonXML = ribbonXML + "imageMso='AppointmentColor3' onAction='GenReport'/>" & vbNewLine
ribbonXML = ribbonXML + " </mso:group>" & vbNewLine
ribbonXML = ribbonXML + " </mso:tab>" & vbNewLine
ribbonXML = ribbonXML + " </mso:tabs>" & vbNewLine
ribbonXML = ribbonXML + " </mso:ribbon>" & vbNewLine
ribbonXML = ribbonXML + "</mso:customUI>"
ribbonXML = Replace(ribbonXML, """", "")
Open path & fileName For Output Access Write As hFile
Print #hFile, ribbonXML
Close hFile
End Sub
Sub ClearCustRibbon()
Dim hFile As Long
Dim path As String, fileName As String, ribbonXML As String, user As String
hFile = FreeFile
user = Environ("Username")
path = "C:\Users\" & user & "\AppData\Local\Microsoft\Office\"
fileName = "Excel.officeUI"
ribbonXML = "<mso:customUI xmlns:mso=""http://schemas.microsoft.com/office/2009/07/customui"">" & _
"<mso:ribbon></mso:ribbon></mso:customUI>"
Open path & fileName For Output Access Write As hFile
Print #hFile, ribbonXML
Close hFile
End Sub
Call LoadCustRibbon sub in the Wookbook open even and call the ClearCustRibbon sub in the Before_Close Event of the ThisWorkbook code file.
For a new line, it's just
$list = explode("\n", $text);
For a new line and carriage return (as in Windows files), it's as you posted. Is your skuList a text area?
If it's a major concern to start doing a lot of testing on a Mac, then I would definitely suggest buying a second hand Mac, or perhaps building a Hackintosh. The former gets you up and running quickly, the latter gives you a lot of power for the same price.
For just the odd piece of testing, running OS X in VMWare on your current PC is a cheaper option.
Updated Answer
As of June11, 2018 it is now mandatory to have a billing account to get API key. You can still make keyless calls to the Maps JavaScript API and Street View Static API which will return low-resolution maps that can be used for development. Enabling billing still gives you $200 free credit monthly for your projects.
This answer is no longer valid
As long as you're using a testing API key it is free to register and use. But when you move your app to commercial level you have to pay for it. When you enable billing, google gives you $200 credit free each month that means if your app's map usage is low you can still use it for free even after the billing enabled, if it exceeds the credit limit now you have to pay for it.
If your jenkins is running as service instead of process you should stop it first using
sudo service jenkins stop
After stopping it you can follow the normal flow of removing it using commands respective to your linux flavour
For centos it will be
sudo yum remove jenkins
For ubuntu it will
sudo apt-get remove --purge jenkins
I hope this will solve your issue.
This code snippet:
int& func1()
{
int i;
i = 1;
return i;
}
will not work because you're returning an alias (a reference) to an object with a lifetime limited to the scope of the function call. That means once func1()
returns, int i
dies, making the reference returned from the function worthless because it now refers to an object that doesn't exist.
int main()
{
int& p = func1();
/* p is garbage */
}
The second version does work because the variable is allocated on the free store, which is not bound to the lifetime of the function call. However, you are responsible for delete
ing the allocated int
.
int* func2()
{
int* p;
p = new int;
*p = 1;
return p;
}
int main()
{
int* p = func2();
/* pointee still exists */
delete p; // get rid of it
}
Typically you would wrap the pointer in some RAII class and/or a factory function so you don't have to delete
it yourself.
In either case, you can just return the value itself (although I realize the example you provided was probably contrived):
int func3()
{
return 1;
}
int main()
{
int v = func3();
// do whatever you want with the returned value
}
Note that it's perfectly fine to return big objects the same way func3()
returns primitive values because just about every compiler nowadays implements some form of return value optimization:
class big_object
{
public:
big_object(/* constructor arguments */);
~big_object();
big_object(const big_object& rhs);
big_object& operator=(const big_object& rhs);
/* public methods */
private:
/* data members */
};
big_object func4()
{
return big_object(/* constructor arguments */);
}
int main()
{
// no copy is actually made, if your compiler supports RVO
big_object o = func4();
}
Interestingly, binding a temporary to a const reference is perfectly legal C++.
int main()
{
// This works! The returned temporary will last as long as the reference exists
const big_object& o = func4();
// This does *not* work! It's not legal C++ because reference is not const.
// big_object& o = func4();
}
I've translated some of the above Objective-C answers into Swift code. Each translation is proceeded with a reference to the original answer.
let screen = UIScreen.main.bounds
let screenWidth = screen.size.width
let screenHeight = screen.size.height
func windowHeight() -> CGFloat {
return UIScreen.main.bounds.size.height
}
func windowWidth() -> CGFloat {
return UIScreen.main.bounds.size.width
}
let screenHeight: CGFloat
let statusBarOrientation = UIApplication.shared.statusBarOrientation
// it is important to do this after presentModalViewController:animated:
if (statusBarOrientation != .portrait
&& statusBarOrientation != .portraitUpsideDown) {
screenHeight = UIScreen.main.bounds.size.width
} else {
screenHeight = UIScreen.main.bounds.size.height
}
let screenWidth = UIScreen.main.bounds.size.width
let screenHeight = UIScreen.main.bounds.size.height
println("width: \(screenWidth)")
println("height: \(screenHeight)")
Be very careful: NULL is a macro used mainly for pointers. The standard way of terminating a string is:
char *buffer;
...
buffer[end_position] = '\0';
This (below) works also but it is not a big difference between assigning an integer value to a int/short/long array and assigning a character value. This is why the first version is preferred and personally I like it better.
buffer[end_position] = 0;
Random r = new Random();
int i1 = r.nextInt(80 - 65) + 65;
This gives a random integer between 65 (inclusive) and 80 (exclusive), one of 65,66,...,78,79
.
While you can use a virtualenv
, you don't need to. The trick is passing the PEP370 --user
argument to the setup.py
script. With the latest version of pip
, one way to do it is:
pip install --user mercurial
This should result in the hg
script being installed in $HOME/.local/bin/hg
and the rest of the hg package in $HOME/.local/lib/pythonx.y/site-packages/
.
Note, that the above is true for Python 2.6. There has been a bit of controversy among the Python core developers about what is the appropriate directory location on Mac OS X for PEP370-style user
installations. In Python 2.7 and 3.2, the location on Mac OS X was changed from $HOME/.local
to $HOME/Library/Python
. This might change in a future release. But, for now, on 2.7 (and 3.2, if hg
were supported on Python 3), the above locations will be $HOME/Library/Python/x.y/bin/hg
and $HOME/Library/Python/x.y/lib/python/site-packages
.
Could not get this to work until I put Authorization in single quotes:
axios.get(URL, { headers: { 'Authorization': AuthStr } })
If you do not need to modify the substring, then you can use QStringRef
. The QStringRef
class is a read only wrapper around an existing QString
that references a substring within the existing string. This gives much better performance than creating a new QString
object to contain the sub-string. E.g.
QString myString("This is a string");
QStringRef subString(&myString, 5, 2); // subString contains "is"
If you do need to modify the substring, then left()
, mid()
and right()
will do what you need...
QString myString("This is a string");
QString subString = myString.mid(5,2); // subString contains "is"
subString.append("n't"); // subString contains "isn't"
Shorter version:
const monthNames = ["January", "February", "March", "April", "May", "June",_x000D_
"July", "August", "September", "October", "November", "December"_x000D_
];_x000D_
_x000D_
const d = new Date();_x000D_
document.write("The current month is " + monthNames[d.getMonth()]);
_x000D_
Note (2019-03-08) - This answer by me which I originally wrote in 2009 is outdated. See David Storey's answer for a better solution.
Kill -9 PID
should be
kill -9 $PID
see the difference?
What Tyler Rinker says is correct:
AQ2 <- airquality
AQ2[is.na(AQ2)] <- 0
will do just this.
What you are originally doing is that you are taking from airquality
all those rows (cases) that are complete. So, all the cases that do not have any NA's in them, and keep only those.
SELECT * FROM tableName WHERE columnName LIKE "%#%" OR columnName LIKE "%$%" OR (etc.)
for those who need to print the call stack while using pdb, just do
(Pdb) where
Because in Python 3, print statement
has been replaced with a print() function
, with keyword arguments to replace most of the special syntax of the old print statement. So you have to write it as
print("Hello World")
But if you write this in a program and someone using Python 2.x tries to run it, they will get an error. To avoid this, it is a good practice to import print function:
from __future__ import print_function
Now your code works on both 2.x & 3.x.
Check out below examples also to get familiar with print() function.
Old: print "The answer is", 2*2
New: print("The answer is", 2*2)
Old: print x, # Trailing comma suppresses newline
New: print(x, end=" ") # Appends a space instead of a newline
Old: print # Prints a newline
New: print() # You must call the function!
Old: print >>sys.stderr, "fatal error"
New: print("fatal error", file=sys.stderr)
Old: print (x, y) # prints repr((x, y))
New: print((x, y)) # Not the same as print(x, y)!
Source: What’s New In Python 3.0?
I had a similar problem with the Visual Studio 2017 project generated through CMake. Some of the packages were missing while installing Visual Studio in Desktop development with C++. See snapshot:
Visual Studio 2017 Packages:
Also, upgrade CMake to the latest version.
Set to true android:layout_alignParentTop="true"
and android:layout_centerHorizontal="true"
in the Button, like this:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<Button
android:id="@+id/switch_flashlight"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/turn_on_flashlight"
android:textColor="@android:color/black"
android:onClick="action_trn"
android:background="@android:color/holo_green_light"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:padding="5dp" />
</RelativeLayout>
If you just need to hit C# Method on in your Ajax Call you just need to pass two matter type and url if your request is get then you just need to specify the url only. please follow the code below it's working fine.
C# Code:
[HttpGet]
public ActionResult FirstAjax()
{
return Json("chamara", JsonRequestBehavior.AllowGet);
}
Java Script Code if Get Request
$.ajax({
url: 'home/FirstAjax',
success: function(responce){ alert(responce.data)},
error: function(responce){ alert(responce.data)}
});
Java Script Code if Post Request and also [HttpGet] to [HttpPost]
$.ajax({
url: 'home/FirstAjax',
type:'POST',
success: function(responce){ alert(responce)},
error: function(responce){ alert(responce)}
});
Note: If you FirstAjax in same controller in which your View Controller then no need for Controller name in url. like url: 'FirstAjax',
You need to have a height in the div <div style="overflow:hidden">
else it doesnt know what 100%
is.
I couldn't find a better solution than creating a extension method to convert a Dictionary to QueryStringFormat. The solution proposed by Waleed A.K. is good as well.
Follow my solution:
Create the extension method:
public static class DictionaryExt
{
public static string ToQueryString<TKey, TValue>(this Dictionary<TKey, TValue> dictionary)
{
return ToQueryString<TKey, TValue>(dictionary, "?");
}
public static string ToQueryString<TKey, TValue>(this Dictionary<TKey, TValue> dictionary, string startupDelimiter)
{
string result = string.Empty;
foreach (var item in dictionary)
{
if (string.IsNullOrEmpty(result))
result += startupDelimiter; // "?";
else
result += "&";
result += string.Format("{0}={1}", item.Key, item.Value);
}
return result;
}
}
And them:
var param = new Dictionary<string, string>
{
{ "param1", "value1" },
{ "param2", "value2" },
};
param.ToQueryString(); //By default will add (?) question mark at begining
//"?param1=value1¶m2=value2"
param.ToQueryString("&"); //Will add (&)
//"¶m1=value1¶m2=value2"
param.ToQueryString(""); //Won't add anything
//"param1=value1¶m2=value2"
# reassign depth values under 10 to zero
df$depth[df$depth<10] <- 0
(For the columns that are factors, you can only assign values that are factor levels. If you wanted to assign a value that wasn't currently a factor level, you would need to create the additional level first:
levels(df$species) <- c(levels(df$species), "unknown")
df$species[df$depth<10] <- "unknown"
It is OK, but at the same time can cause some browsers to become slow.
http://webdesignfan.com/yslow-tutorial-part-2-of-3-reducing-server-calls/
My advice is use <a href="#"></a>
If you're using JQuery remember to also use:
.click(function(event){
event.preventDefault();
// Click code here...
});
May be below approach will be helpful for someone TS with reactjs
interface Event {
name: string;
dateCreated: string;
type: string;
}
interface UserEvent<T> extends Event<T> {
UserId: string;
}
Enter vim and type:
:help z
z is the vim command for redraw, so it will redraw the file relative to where you position the cursor. The options you have are as follows:
z+ - Redraws the file with the cursor at top of the window and at first non-blank character of your line.
z- - Redraws the file with the cursor at bottom of the window and at first non-blank character of your line.
z. - Redraws the file with the cursor at centre of the window and at first non-blank character of your line.
zt - Redraws file with the cursor at top of the window.
zb - Redraws file with the cursor at bottom of the window.
zz - Redraws file with the cursor at centre of the window.
This will ignore the whitespace as well so, your never got the Blank textNodes..code using core Javascript.
var oDiv = document.getElementById("MyDiv");
var firstText = "";
for (var i = 0; i < oDiv.childNodes.length; i++) {
var curNode = oDiv.childNodes[i];
whitespace = /^\s*$/;
if (curNode.nodeName === "#text" && !(whitespace.test(curNode.nodeValue))) {
firstText = curNode.nodeValue;
break;
}
}
Check it on jsfiddle : - http://jsfiddle.net/webx/ZhLep/
Use the solution like a below and this works in v3.2.5.
<Route
path="/foo"
component={() => (
<Content
lang="foo"
meta={{
description: lang_foo.description
}}
/>
)}
/>
or
<Route path="/foo">
<Content
lang="foo"
meta={{
description: lang_foo.description
}}
/>
</Route>
I looked at a lot of these solutions and didn't like many of them. Mostly because the annoying step of having to identify your known hosts. That and JSCH is at a ridiculously low level relative to the scp command.
I found a library that doesn't require this but it's bundled up and used as a command line tool. https://code.google.com/p/scp-java-client/
I looked through the source code and discovered how to use it without the command line. Here's an example of uploading:
uk.co.marcoratto.scp.SCP scp = new uk.co.marcoratto.scp.SCP(new uk.co.marcoratto.scp.listeners.SCPListenerPrintStream());
scp.setUsername("root");
scp.setPassword("blah");
scp.setTrust(true);
scp.setFromUri(file.getAbsolutePath());
scp.setToUri("root@host:/path/on/remote");
scp.execute();
The biggest downside is that it's not in a maven repo (that I could find). But, the ease of use is worth it to me.
Using bash regular expressions:
re="http://([^/]+)/"
if [[ $name =~ $re ]]; then echo ${BASH_REMATCH[1]}; fi
Edit - OP asked for explanation of syntax. Regular expression syntax is a large topic which I can't explain in full here, but I will attempt to explain enough to understand the example.
re="http://([^/]+)/"
This is the regular expression stored in a bash variable, re
- i.e. what you want your input string to match, and hopefully extract a substring. Breaking it down:
http://
is just a string - the input string must contain this substring for the regular expression to match[]
Normally square brackets are used say "match any character within the brackets". So c[ao]t
would match both "cat" and "cot". The ^
character within the []
modifies this to say "match any character except those within the square brackets. So in this case [^/]
will match any character apart from "/".+
to the end of it says "match 1 or more of the preceding sub-expression". So [^/]+
matches 1 or more of the set of all characters, excluding "/".()
parentheses around a subexpression says that you want to save whatever matched that subexpression for later processing. If the language you are using supports this, it will provide some mechanism to retrieve these submatches. For bash, it is the BASH_REMATCH array.Next, we have to test the input string against the regular expression to see if it matches. We can use a bash conditional to do that:
if [[ $name =~ $re ]]; then
echo ${BASH_REMATCH[1]}
fi
In bash, the [[ ]]
specify an extended conditional test, and may contain the =~
bash regular expression operator. In this case we test whether the input string $name
matches the regular expression $re
. If it does match, then due to the construction of the regular expression, we are guaranteed that we will have a submatch (from the parentheses ()
), and we can access it using the BASH_REMATCH array:
${BASH_REMATCH[0]}
will be the entire string matched by the regular expression, i.e. "http://www.google.com/".()
within a regular expression - The BASH_REMATCH
elements will correspond to these in order. So in this case ${BASH_REMATCH[1]}
will contain "www.google.com", which I think is the string you want.Note that the contents of the BASH_REMATCH array only apply to the last time the regular expression =~
operator was used. So if you go on to do more regular expression matches, you must save the contents you need from this array each time.
This may seem like a lengthy description, but I have really glossed over several of the intricacies of regular expressions. They can be quite powerful, and I believe with decent performance, but the regular expression syntax is complex. Also regular expression implementations vary, so different languages will support different features and may have subtle differences in syntax. In particular escaping of characters within a regular expression can be a thorny issue, especially when those characters would have an otherwise different meaning in the given language.
Note that instead of setting the $re
variable on a separate line and referring to this variable in the condition, you can put the regular expression directly into the condition. However in bash 3.2, the rules were changed regarding whether quotes around such literal regular expressions are required or not. Putting the regular expression in a separate variable is a straightforward way around this, so that the condition works as expected in all bash versions that support the =~
match operator.
You can use esentutl to copy (mainly big) files with a progress bar:
esentutl /y "my.file" /d "another.file" /o
the progress bar looks like this:
Password Requirement :
Passwords must include characters from at least two (2) of these groupings: alpha, numeric, and special characters.
^.*(?=.{8,})(?=.*\d)(?=.*[a-zA-Z])|(?=.{8,})(?=.*\d)(?=.*[!@#$%^&])|(?=.{8,})(?=.*[a-zA-Z])(?=.*[!@#$%^&]).*$
I tested it and it works
While probably not any better than your solution, you could adjust your T-SQL to return the same result using COALESCE:
SELECT MyField = COALESCE(table.MyField, " NA")
The reasoning for the extra space before the NA is to allow sorting to place the NA results at the top. Since your data may vary, that may not be a great option.
The ArrayList
class is a wrapper class for an array. It contains an inner array.
public ArrayList<T> {
private Object[] array;
private int size;
}
A LinkedList
is a wrapper class for a linked list, with an inner node for managing the data.
public LinkedList<T> {
class Node<T> {
T data;
Node next;
Node prev;
}
private Node<T> first;
private Node<T> last;
private int size;
}
Note, the present code is used to show how the class may be, not the actual implementation. Knowing how the implementation may be, we can do the further analysis:
ArrayList is faster than LinkedList if I randomly access its elements. I think random access means "give me the nth element". Why ArrayList is faster?
Access time for ArrayList: O(1). Access time for LinkedList: O(n).
In an array, you can access to any element by using array[index]
, while in a linked list you must navigate through all the list starting from first
until you get the element you need.
LinkedList is faster than ArrayList for deletion. I understand this one. ArrayList's slower since the internal backing-up array needs to be reallocated.
Deletion time for ArrayList: Access time + O(n). Deletion time for LinkedList: Access time + O(1).
The ArrayList must move all the elements from array[index]
to array[index-1]
starting by the item to delete index. The LinkedList should navigate until that item and then erase that node by decoupling it from the list.
LinkedList is faster than ArrayList for deletion. I understand this one. ArrayList's slower since the internal backing-up array needs to be reallocated.
Insertion time for ArrayList: O(n). Insertion time for LinkedList: O(1).
Why the ArrayList can take O(n)? Because when you insert a new element and the array is full, you need to create a new array with more size (you can calculate the new size with a formula like 2 * size or 3 * size / 2). The LinkedList just add a new node next to the last.
This analysis is not just in Java but in another programming languages like C, C++ and C#.
More info here:
I just used the following code, which removed all the punctuation:
tokens = nltk.wordpunct_tokenize(raw)
type(tokens)
text = nltk.Text(tokens)
type(text)
words = [w.lower() for w in text if w.isalpha()]
It's used for proxying requests to other servers.
An example from http://wiki.nginx.org/LoadBalanceExample is:
http {
upstream myproject {
server 127.0.0.1:8000 weight=3;
server 127.0.0.1:8001;
server 127.0.0.1:8002;
server 127.0.0.1:8003;
}
server {
listen 80;
server_name www.domain.com;
location / {
proxy_pass http://myproject;
}
}
}
This means all requests for / go to the any of the servers listed under upstream XXX, with a preference for port 8000.
If your activity does extend Activity
public class YourActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_xxx);
getActionBar().setHomeButtonEnabled(true);
[...]
}
[...]
}
If your action extends AppCompatActivity
public class YourActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_xxx);
getSupportActionBar().setHomeButtonEnabled(true);
[...]
}
[...]
}
Nothing more to do, See Add up action
[OPTIONAL] To explicitly define parent activity modify your Manifest.xml like this:
<application ... >
...
<!-- The main/home activity (it has no parent activity) -->
<activity
android:name="com.example.myfirstapp.MainActivity" ...>
...
</activity>
<!-- A child of the main activity -->
<activity
android:name="com.example.myfirstapp.YourActivity "
android:label="@string/title_activity_display_message"
android:parentActivityName="com.example.myfirstapp.MainActivity" >
<!-- Parent activity meta-data to support 4.0 and lower -->
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="com.example.myfirstapp.MainActivity" />
</activity>
</application>