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In Ruby, how do I skip a loop in a .each loop, similar to 'continue' [duplicate]

...t, map and other iterators (and more generally blocks). For more info see http://ruby-doc.org/docs/ProgrammingRuby/html/tut_expressions.html#UL. share | improve this answer | ...
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Get random item from array [duplicate]

... use array_rand() see php manual -> http://php.net/manual/en/function.array-rand.php share | improve this answer | follow ...
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How can I capture the right-click event in JavaScript? [duplicate]

...ck); // true or false, you can trap right click here by if comparison } (http://www.quirksmode.org/js/events_properties.html) And then use the onmousedown even with the function rightclick() (if you want to use it globally on whole page you can do this <body onmousedown=rightclick(); > ...
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How to create empty folder in java? [duplicate]

... Looks file you use the .mkdirs() method on a File object: http://www.roseindia.net/java/beginners/java-create-directory.shtml // Create a directory; all non-existent ancestor directories are // automatically created success = (new File("../potentially/long/pathname/without/all/dirs...
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In Python, what's the difference between 'except Exception as e' and 'except Exception, e' [duplicat

... The first proposal for using the "as" is here: http://mail.python.org/pipermail/python-dev/2006-March/062449.html. They thought it would be more intuitive to read the code share | ...
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How to test if a dictionary contains a specific key? [duplicate]

... 'a' in x and a quick search reveals some nice information about it: http://docs.python.org/3/tutorial/datastructures.html#dictionaries share | improve this answer | fo...
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how to make a jquery “$.post” request synchronous [duplicate]

...c:false" deprecation notice jQuery >=1.8 won't block the UI during the http request, so we have to use a workaround to stop user interaction as long as the request is processed. For example: use a plugin e.g. BlockUI; manually add an overlay before calling $.ajax(), and then remove it when the...
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Reading and writing environment variables in Python? [duplicate]

... Use os.environ[str(DEBUSSY)] for both reading and writing (http://docs.python.org/library/os.html#os.environ). As for reading, you have to parse the number from the string yourself of course. share ...
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Array copy values to keys in PHP [duplicate]

... $final_array = array_combine($a, $a); http://php.net/array-combine P.S. * Be careful with similar values. For example: array('one','two','one') may be problematic if converted like duplicate keys: array('one'=>..,'two'=>..,'one'=>...) ...
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Javascript. Assign array values to multiple variables? [duplicate]

... FireFox 2.0+ IE 9 Opera 11.50. Try it for yourself in this jsfiddle: http://jsfiddle.net/uBReg/ I tested this on Chrome (failed), IE 8 (failed), and FireFox 5 (which worked, per the wiki table). share | ...