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Which regular expression operator means 'Don't' match this character?
...its while [\D] matches anything but the 0-9 digits, and so on.
If you use PHP you can take a look at the regex character classes documentation.
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How to check if field is null or empty in MySQL?
...
If you would like to check in PHP , then you should do something like :
$query_s =mysql_query("SELECT YOURROWNAME from `YOURTABLENAME` where name = $name");
$ertom=mysql_fetch_array($query_s);
if ('' !== $ertom['YOURROWNAME']) {
//do your action
ech...
Create JSON object dynamically via JavaScript (Without concate strings)
...s very helpful to me. I wanted to generate a json variable to pass it to a php script using ajax. My values were stored into two arrays, and i wanted them in json format.
This is a generic example:
valArray1 = [121, 324, 42, 31];
valArray2 = [232, 131, 443];
myJson = {objArray1: {}, objArray2: {}};...
Get a list of resources from classpath directory
...
Here is the code
Source: forums.devx.com/showthread.php?t=153784
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
import java.util.regex.Pattern;
import java.util.zip.ZipEntry;
import java....
Control the dashed border stroke length and distance between strokes
...ing browsers will receive this border.
.bordered {
display: inline-block;
padding: 20px;
/* Fallback dashed border
- the 4px width here is overwritten with the border-image-width (if set)
- the border-image-width can be omitted below if it is the same as the 4px here
*/
...
When are you supposed to use escape instead of encodeURI / encodeURIComponent?
...eURIComponent doesn't encode -_.!~*'(), causing problem in posting data to php in xml string.
For example:
<xml><text x="100" y="150" value="It's a value with single quote" />
</xml>
General escape with encodeURI
%3Cxml%3E%3Ctext%20x=%22100%22%20y=%22150%22%20value=%22It's%20a%20...
How do you increase the max number of concurrent connections in Apache?
...hive.org/web/20160415001028/http://www.genericarticles.com/mediawiki/index.php?title=How_to_optimize_apache_web_server_for_maximum_concurrent_connections_or_increase_max_clients_in_apache
ServerLimit 16
StartServers 2
MaxClients 200
MinSpareThreads 25
MaxSpareThreads 75
ThreadsPerChild 25
First o...
What's the difference between Require.js and simply creating a element in the DOM? [closed]
...ially the one near the bottom that links to stevesouders.com/tests/require.php
– Dave Kanter
Sep 29 '15 at 22:35
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Heavy usage of Python at Google [closed]
...ction services. (Internally Google people use many technologies including PHP, C#, Ruby and Perl). Python is well suited to the engineering process at Google. The typical project at Google has a small team (3 people) and a short duration (3 months).
Not to forget that Guido van Rossum the c...
When to use setAttribute vs .attribute= in JavaScript?
...nt('div');
// THIS WILL NOT CHANGE THE ATTRIBUTE
newElement.display = 'block';
But that's the same as
newElement.myCustomDisplayAttribute = 'block';
This means that adding a custom property will not be linked to .attributes[attr].nodeValue.
Performance
I've built a jsperf test case to show t...