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Adding additional data to select options using jQuery

...ction(){ var selected = $(this).find('option:selected'); var extra = selected.data('foo'); ... }); }); // Plain old JavaScript var sel = document.getElementById('select'); var selected = sel.options[sel.selectedIndex]; var extra = selected.getAttribute('data-foo'); See t...
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How to count duplicate value in an array in javascript

... the extra if statement after the loop is unnecessary... just use for (var i = 0; i <= array_elements.length; i++) { or <= instead of <. – EmmaGamma Feb 9 '15 at 1:58 ...
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Why does modern Perl avoid UTF-8 by default?

...CODE envariable to AS. This makes all Perl scripts decode @ARGV as UTF‑8 strings, and sets the encoding of all three of stdin, stdout, and stderr to UTF‑8. Both these are global effects, not lexical ones. At the top of your source file (program, module, library, dohickey), prominently assert tha...
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How to add minutes to my Date

..., i tried this , date is coming correctly , but when i try to change it as string , it gives me the same wrong result String newTime= df.format(afterAddingTenMins); it gives me 2011-50-07 17:50 , I have to convert it in String, any suggestion – junaidp ...
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Detect if a page has a vertical scrollbar?

... lol yeah I was debating whether or not to make the extra effort to write it because in many cases it's not needed. – Andy E Jan 27 '10 at 13:08 1 ...
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Is there an ignore command for git like there is for svn?

... A very useful git ignore command comes with the awesome tj/git-extras. Here are a few usage examples: List all currently ignored patterns git ignore Add a pattern git ignore "*.log" Add one of the templates from gitignore.io git ignore-io -a rails git-extras provides many more...
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Finish all previous activities

...eturn you to home screen finishing all the other activites. You can add an extra in the intent and read that in the home screen activity and finish it also (maybe launch login screen again from there or something). I am not sure but you can also try going to login with this flag. I don't know how t...
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Difference between margin and padding?

... Remember these 3 points: The Margin is the extra space around the control. The Padding is extra space inside the control. The Padding of an outer control is the Margin of an inner control. Demo Image:(where red box is desire control) ...
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Take the content of a list and append it to another list

... are met list1.append(line) if any(True for line in list1 if "string" in line): list2.extend(list1) del list1 .... The (True for line in list1 if "string" in line) iterates over list and emits True whenever a match is found. any() uses short-circuit evaluation to retu...
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Why covariance and contravariance do not support value type

...he values. References all look the same - so you can use an IEnumerable<string> as an IEnumerable<object> without any change in representation; the native code itself doesn't need to know what you're doing with the values at all, so long as the infrastructure has guaranteed that it will ...