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Add vertical whitespace using Twitter Bootstrap?

...g the documentation for used notation: Spacing utilities that apply to all breakpoints, from xs to xl, have no breakpoint abbreviation in them. This is because those classes are applied from min-width: 0 and up, and thus are not bound by a media query. The remaining breakpoints, however, d...
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What is the “assert” function?

... assert will terminate the program (usually with a message quoting the assert statement) if its argument turns out to be false. It's commonly used during debugging to make the program fail more obviously if an unexpected condition occurs. For example: assert(len...
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Age from birthdate in python

... That probably depends on your definition of "age". For all practical purposes a birthday is usually given as a date, not timezone-aware datetime (i.e., "born" is missing the details). Most people are not born at midnight sharp (so usually observe prematurely :-)), and when in a d...
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Grab a segment of an array in Java without creating a new array on heap

...wer by @unique72 is correct. Imma let this edit sit for a bit and then I shall delete this answer.) I don't know of a way to do this directly with arrays without additional heap allocation, but the other answers using a sub-list wrapper have additional allocation for the wrapper only – but not...
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Resize HTML5 canvas to fit window

How can I automatically scale the HTML5 <canvas> element to fit the page? 15 Answers ...
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How can I run a PHP script in the background after a form is submitted?

...f subscribers and send out 150+ emails. (The emails are being sent individually as requested by the system administrators of our email server because of mass email policies.) ...
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How to get only time from date-time C# [closed]

...ateTime).Add(myDateTime.TimeOfDay) This way you can be consistent across all versions of .NET, even if Microsoft decides to change the base date to something else than 1/1/0001. share | improve t...
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How do I write a correct micro-benchmark in Java?

...istics. Rule 1: Always include a warmup phase which runs your test kernel all the way through, enough to trigger all initializations and compilations before timing phase(s). (Fewer iterations is OK on the warmup phase. The rule of thumb is several tens of thousands of inner loop iterations.) Rule ...
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What is the difference between UTF-8 and ISO-8859-1?

...e points of the Unicode character set, whereas UTF-8 can be used to encode all code points. At physical encoding level, only codepoints 0 - 127 get encoded identically; code points 128 - 255 differ by becoming 2-byte sequence with UTF-8 whereas they are single bytes with Latin-1. ...
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NSRange to Range

...dited Jan 4 '17 at 14:30 juancazalla 9461010 silver badges1616 bronze badges answered Oct 22 '14 at 21:46 Alex...