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How to use setInterval and clearInterval?
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setInterval sets up a recurring timer. It returns a handle that you can pass into clearInterval to stop it from firing:
var handle = setInterval(drawAll, 20);
// When you want to cancel it:
clearInterval(handle);
handle = 0; // I just do this so I know I've clea...
Sorting a set of values [closed]
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I want to sort each set.
That's easy. For any set s (or anything else iterable), sorted(s) returns a list of the elements of s in sorted order:
>>> s = set(['0.000000000', '0.009518000', '10.277200999', '0.030810999', '0.018384000', '4.918560000'])
>>> sorted(s)
['0.000000000...
How to select label for=“XYZ” in CSS?
...r would be label[for=email], so in CSS:
label[for=email]
{
/* ...definitions here... */
}
...or in JavaScript using the DOM:
var element = document.querySelector("label[for=email]");
...or in JavaScript using jQuery:
var element = $("label[for=email]");
It's an attribute selector. Note ...
Javascript checkbox onChange
I have a checkbox in a form and I'd like it to work according to following scenario:
10 Answers
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What does `unsigned` in MySQL mean and when to use it?
What does "unsigned" mean in MySQL and when should I use it?
1 Answer
1
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jQuery .on function for future elements, as .live is deprecated [duplicate]
... yet. Normally, I would use jQuery's .live function to handle this, but it seems that it is now deprecated in favor of .on .
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Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
Because of the Twitter API 1.0 retirement as of June 11th 2013 , the script below does not work anymore.
14 Answers
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Different types of thread-safe Sets in Java
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1) The CopyOnWriteArraySet is a quite simple implementation - it basically has a list of elements in an array, and when changing the list, it copies the array. Iterations and other accesses which are running at this time continue with the o...
How to fix Git error: object file is empty?
When I try to commit changes, I get this error:
24 Answers
24
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How do I enter a multi-line comment in Perl? [duplicate]
...ay to comment out more than one line of Perl is
to surround those lines with Pod directives. You have to put these
directives at the beginning of the line and somewhere where Perl
expects a new statement (so not in the middle of statements like the #
comments). You end the comment with =cut,...