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JavaScript displaying a float to 2 decimal places
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float_num.toFixed(2);
Note:toFixed() will round or pad with zeros if necessary to meet the specified length.
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ruby system command check exit code
... want to check their exit codes simultaneously so that my script exits out if that command fails.
5 Answers
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How should I unit test threaded code?
...way to deal with testing complex, multithreaded application code is this: If its too complex to test, you're doing it wrong. If you have a single instance that has multiple threads acting upon it, and you can't test situations where these threads step all over each other, then your design needs to...
How to perform case-insensitive sorting in JavaScript?
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If you're going to involve localeCompare(), you could just use its ability to be case-insensitive, e.g.: return a.localeCompare(b, 'en', {'sensitivity': 'base'});
– Michael Dyck
Jul 30 '...
JavaScript post request like a form submit
I'm trying to direct a browser to a different page. If I wanted a GET request, I might say
31 Answers
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How do I check whether a jQuery element is in the DOM?
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Like this:
if (!jQuery.contains(document, $foo[0])) {
//Element is detached
}
This will still work if one of the element's parents was removed (in which case the element itself will still have a parent).
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Calling remove in foreach loop in Java [duplicate]
...eturned by this class's iterator and listIterator
methods are fail-fast: if the list is structurally modified at any
time after the iterator is created, in any way except through the
iterator's own remove or add methods, the iterator will throw a
ConcurrentModificationException. Thus, in the...
How do you prevent install of “devDependencies” NPM modules for Node.js (package.json)?
...oduction from something else I was doing and could not figure out for the life of me why npm install wouldn't install dependencies. Thanks for the thorough answer.
– aendrew
May 5 '15 at 23:29
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Determine if an HTML element's content overflows
Can I use JavaScript to check (irrespective of scrollbars) if an HTML element has overflowed its content? For example, a long div with small, fixed size, the overflow property set to visible, and no scrollbars on the element.
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Hide text using css
...e only the text before word-wrap is indented, and the W3C spec doesn't specify a situation for negative indent so this could have unpredictable results
– Chris Farmiloe
Jan 23 '09 at 1:34
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