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Ruby replace string with captured regex pattern

...d answer first without reading the entirety of answers. That seems to generally be the most efficient means of fixing a problem. Give Vicky a break! :) – Josh M. Jan 31 '14 at 3:43 ...
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Abort makefile if variable not set

... an auxiliary function for that: # Check that given variables are set and all have non-empty values, # die with an error otherwise. # # Params: # 1. Variable name(s) to test. # 2. (optional) Error message to print. check_defined = \ $(strip $(foreach 1,$1, \ $(call __check_defined,$...
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Generic type conversion FROM string

...es" for another class. These properties simply have a name and a value. Ideally, what I would like is to be able to add typed properties, so that the "value" returned is always of the type that I want it to be. ...
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Where are $_SESSION variables stored?

...ariable storage is determined by PHP's session.save_path configuration. Usually this is /tmp on a Linux/Unix system. Use the phpinfo() function to view your particular settings if not 100% sure by creating a file with this content in the DocumentRoot of your domain: <?php phpinfo(); ?> ...
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$(document).ready equivalent without jQuery

...ent if ( document.addEventListener ) { // Use the handy event callback document.addEventListener( "DOMContentLoaded", function(){ document.removeEventListener( "DOMContentLoaded", arguments.callee, false ); jQuery.ready(); }, false ); // If IE...
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ARC and bridged cast

...__bridge_transfer? Otherwise it would seem that the moment CFRelease() is called the object is gone and points to nothing. Similarly, when you use __bridge_retain, does ARC reduce the op's retain count by 1? Else it seems that the object would never be properly released. – Tony...
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Wrapping a C library in Python: C, Cython or ctypes?

I want to call a C library from a Python application. I don't want to wrap the whole API, only the functions and datatypes that are relevant to my case. As I see it, I have three choices: ...
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Bring element to front using CSS

... I don't really remember the circumstances of my question clearly, but my problem was, that I understood what z-index does, but still it did not work. What I have learned from this answer is, that with z-index you have to take into cons...
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How to use Elasticsearch with MongoDB?

... instance. Make sure everything is up to date. sudo apt-get update Install NodeJS. sudo apt-get install nodejs sudo apt-get install npm Install MongoDB - These steps are straight from MongoDB docs. Choose whatever version you're comfortable with. I'm sticking with v2.4.9 because it seems to b...
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printf format specifiers for uint32_t and size_t

...ng size_t to be the same as unsigned long (possibly 64 bits) when it's actually an unsigned int (32 bits). Try using %zu in both cases. I'm not entirely certain though. share | improve this answer ...