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Increasing the maximum number of TCP/IP connections in Linux
...o move session info from an application level session storage to redis via PHP. For some reason, I could not add more than 28230 sessions without adding lots of sleep in one go, with no errors seen either in php or on redis logs. We broke our heads on this for an entire day till I thought maybe prob...
What is the Swift equivalent to Objective-C's “@synchronized”?
...
With this approach you need to be careful. Your block might be executed on some other thread. API docs say: "As an optimization, this function invokes the block on the current thread when possible."
– bio
Sep 24 '15 at 17:57
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jQuery.inArray(), how to use it right?
...e is present in an array, follow the below practice:
myArray = new Array("php", "tutor");
if( $.inArray("php", myArray) !== -1 ) {
alert("found");
}
Reference
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MySQL query String contains
...ttacks. Also, mysql_real_escape_string is going to be deprecated in future PHP releases.
– Jack Tuck
Feb 3 '14 at 21:24
11
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What does java.lang.Thread.interrupt() do?
...oll the interrupted status and handle it appropriately. Some methods that block such as Object.wait() may consume the interrupted status immediately and throw an appropriate exception (usually InterruptedException)
Interruption in Java is not pre-emptive. Put another way both threads have to coop...
How do I keep CSS floats in one line?
...
white-space: nowrap;
}
and reset the white-space and use an inline-block display so the divs stay on the same line but you can still give it a width.
.child {
display:inline-block;
width:300px;
white-space: normal;
}
Here is a JSFiddle: https://jsfiddle.net/9g8ud31o/
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How to select multiple files with ?
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<form enctype='multipart/form-data' method='POST' action='submitFormTo.php'>
<input type='file' name='files[]' multiple />
<button type='submit'>Submit</button>
</form>
Make sure you have the enctype='multipart/form-data' attribute in your <form> tag, ...
Fixed width buttons with Bootstrap
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You can also use the .btn-block class on the button, so that it expands to the parent's width.
If the parent is a fixed width element the button will expand to take all width. You can apply existing markup to the container to ensure fixed/fluid butto...
Using javadoc for Python documentation [closed]
I am currently beginning with Python and I have a strong PHP background and in PHP I have took the habit of using javadoc as a documentation template.
...
How to vertically center content with variable height within a div?
... method because table elements don’t obey the max-height property.
.block {
height: 300px;
text-align: center;
background: #c0c0c0;
border: #a0a0a0 solid 1px;
margin: 20px;
}
.block::before {
content: '';
display: inline-block;
height: 100%;
vertical-align: mid...