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What are bitwise operators?
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These are the bitwise operators, all supported in JavaScript:
op1 & op2 -- The AND operator compares two bits and generates a result of 1 if both bits are 1; otherwise, it returns 0.
op1 | op2 -- The OR operator compares two bits and generates a result of 1 if the bits are...
how to check if a form is valid programmatically using jQuery Validation Plugin
...sidered in valid state by jquery validation plugin from anywhere in my javascript code.
7 Answers
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How to unload a package without restarting R
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When you are going back and forth between scripts it may only sometimes be necessary to unload a package. Here's a simple IF statement that will prevent warnings that would appear if you tried to unload a package that was not currently loaded.
if("package:vegan" %in...
Stop setInterval call in JavaScript
...ng setInterval(fname, 10000); to call a function every 10 seconds in JavaScript. Is it possible to stop calling it on some event?
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HTML File Selection Event
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we gonna write it where.. in javascript script tags
– Moon
Aug 20 '10 at 5:34
5
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How to declare variable and use it in the same Oracle SQL script?
... and need to declare some variables at the beginning and reuse them in the script, such as:
10 Answers
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Override body style for content in an iframe
...f the iframe content is from the same parent domain.
The following jquery script works for me. Tested on Chrome and IE8. The inner iframe references a page that is on the same domain as the parent page.
In this particular case, I am hiding an element with a specific class in the inner iframe.
B...
Remove sensitive files and their commits from Git history
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I recommend this script by David Underhill, worked like a charm for me.
It adds these commands in addition natacado's filter-branch to clean up the mess it leaves behind:
rm -rf .git/refs/original/
git reflog expire --all
git gc --aggress...
How to measure time taken by a function to execute
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Don't use Date(). Read below.
Use performance.now():
<script>
var a = performance.now();
alert('do something...');
var b = performance.now();
alert('It took ' + (b - a) + ' ms.');
</script>
It works on:
IE 10 ++
FireFox 15 ++
Chrome 24 ++
Safari 8 ++
Opera 15 ++
A...
How to run a single test with Mocha?
I use Mocha to test my JavaScript stuff. My test file contains 5 tests. Is that possible to run a specific test (or set of tests) rather than all the tests in the file?
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