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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?
...e element, so why do you have to set margin-top:-8px; and not margin-top:-50%;?
Well, vertical centering in CSS is harder than it should be. When setting even top or bottom margins in %, the value is calculated as a percentage always relative to the width of the containing block. This is rather a c...
How do I remove objects from a JavaScript associative array?
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edited Apr 19 at 10:47
Ben Aston
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a...
How to display long messages in logcat
... to display long message on logcat. If the length of message is more than 1000 characters, it gets broken.
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Cannot refer to a non-final variable inside an inner class defined in a different method
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Convert seconds to HH-MM-SS with JavaScript?
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--update 2
Please use @Frank's a one line solution:
new Date(SECONDS * 1000).toISOString().substr(11, 8)
It is by far the best solution.
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Use rvmrc or ruby-version file to set a project gemset with RVM?
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mpapismpapis
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Check if a string has white space
...e input string:
function hasWhiteSpace(s) {
return s.indexOf(' ') >= 0;
}
Or you can use the test method, on a simple RegEx:
function hasWhiteSpace(s) {
return /\s/g.test(s);
}
This will also check for other white space characters like Tab.
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HTML Input=“file” Accept Attribute File Type (CSV)
...v), use:
<input type="file" accept=".csv" />
For Excel Files 97-2003 (.xls), use:
<input type="file" accept="application/vnd.ms-excel" />
For Excel Files 2007+ (.xlsx), use:
<input type="file" accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" />
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Convert float to double without losing precision
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