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What is the easiest way to push an element to the beginning of the array?

... Prepends objects to the front of self, moving other elements upwards. And in use: irb>> a = [ 0, 1, 2] => [0, 1, 2] irb>> a.unshift('x') => ["x", 0, 1, 2] irb>> a.inspect => "["x", 0, 1, 2]" ...
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What does a \ (backslash) do in PHP (5.3+)?

...mbol is used in namespaces. It is the start symbol to indicate a namespace and also serves as a separator between sub-namespace names. See official documentation about namespacing. Opcache Additionally in PHP 7.0+ some functions are replaced with opcodes by OPCache, which makes these specific fu...
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Inline code in org-mode

...enclose the text within = or ~ signs to have it typeset in monospaced font and export it verbatim (which means it is not processed for org-specific syntax): This is =verbatim text= or ~code~. You'll find all information about org-mode markup elements in the relevant section of the manual. ...
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Redirect from asp.net web api post action

...ew Uri(fullyQualifiedUrl); Note: Will only work if both your MVC website and WebApi are on the same URL share | improve this answer | follow | ...
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Disable building workspace process in Eclipse

... is running? Can i disable it because it is taking a long time to complete and i dont know if it is necessary. Thank you 4 ...
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regex for zip-code

... \s will match any whitespace, including tabs and new lines. – eyelidlessness Apr 5 '10 at 7:33 1 ...
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Difference between Document-based and Key/Value-based databases?

... The main differences are the data model and the querying capabilities. Key-value stores The first type is very simple and probably doesn't need any further explanation. Data model: more than key-value stores Although there is some debate on the correct name for...
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How to run Maven from another directory (without cd to project dir)?

Supposing my maven project is located in /some/location/project and my current location is /another/location/ how can I run maven build without changing to project location cd /some/location/project ? ...
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How to put an image in div with CSS?

... This answer by Jaap : <div class="image"></div>​ and in CSS : div.image { content:url(http://placehold.it/350x150); }​ you can try it on this link : http://jsfiddle.net/XAh2d/ this is a link about css content http://css-tricks.com/css-content/ This has been teste...
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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?

...zero in quotes), "false" (false in quotes), empty functions, empty arrays, and empty objects. share | improve this answer | follow | ...