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How to create a drop-down list?

...solete – Alberto M Dec 13 '17 at 11:05 1 @AlbertoM Its not obsolete, its optional. You don't need...
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Is gettimeofday() guaranteed to be of microsecond resolution?

I am porting a game, that was originally written for the Win32 API, to Linux (well, porting the OS X port of the Win32 port to Linux). ...
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How are the points in CSS specificity calculated

Researching specificity I stumbled upon this blog - http://www.htmldog.com/guides/cssadvanced/specificity/ 7 Answers ...
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What is the correct way to document a **kwargs parameter?

...-- Success! 1 -- No good. 2 -- Try again. Raises: AttributeError, KeyError A really great idea. A way you might use me is >>> print public_fn_with_googley_docstring(name='foo', state=None) 0 BTW, this always returns 0. **NEVER** use with :class:`MyPublicClass`. """ ret...
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Check whether an array is empty [duplicate]

...'t mean that array is empty. As a quick workaround you can do following: $errors = array_filter($errors); if (!empty($errors)) { } array_filter() function's default behavior will remove all values from array which are equal to null, 0, '' or false. Otherwise in your particular case empty() cons...
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LINQ equivalent of foreach for IEnumerable

... Is.EquivalentTo(values.ToList())); } The following fails with the error: Expected: equivalent to < 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 > But was: < 9, 9, 9, 9, 9, 9, 9, 9, 9, 9 > [Test] public void ForEachKeywordFail() { //Yes, I know there is an Observable.Range. var va...
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Generating Random Passwords

...ry usage. – teebot Apr 14 '10 at 14:05 19 The main problem with this solution is that you can't c...
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How to autosize a textarea using Prototype?

I'm currently working on an internal sales application for the company I work for, and I've got a form that allows the user to change the delivery address. ...
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Insert Update trigger how to determine if insert or update

...ISTS(SELECT 1/0 ...) and it will still work and won't cause divide by zero error. – Endrju Oct 5 '14 at 10:15 1 ...
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Test if characters are in a string

...try to match on an invalid regex, it doesn't work: > grep("[", "abc[") Error in grep("[", "abc[") : invalid regular expression '[', reason 'Missing ']'' To do a true substring test, use fixed = TRUE. > grep("[", "abc[", fixed = TRUE) [1] 1 If you do want regex, great, but that's not w...