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Hidden features of Ruby
...an integer; "1001001100101100000001011010010".to_i(2), "499602d2".to_i(16) etc all return the original Fixnum.
– Huw Walters
Jun 24 '11 at 11:58
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Android: Clear Activity Stack
... Frankly I never used this functionality, resurrect after crash, etc., and rather focused on fixing the issues that caused crash )
– Cynichniy Bandera
Dec 11 '15 at 17:49
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What is “Orthogonality”?
...nes from the file (grep), another for writing those lines to a file (cat), etc. These can all be mixed and matched at will.
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Does MySQL index foreign key columns automatically?
... Index. So, may be that is the reason MS SQL, DB2 (Oracle I'm not sure on) etc leave it up to the DBA; after all multiple indexes on large tables can cause issues with performance and space.
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What is Python used for? [closed]
...heritance. Everything is an object (including classes, functions, modules, etc), in the sense that they can be passed around as arguments, have methods and attributes, and so on.
Python is multipurpose: it is not specialised to a specific target of users (like R for statistics, or PHP for web progra...
Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]
...e you cannot use jsonp and you MUST rely on a server side proxy (PHP, ASP, etc.). There are plenty of guides related to this topic, just google it!
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How to install python3 version of package via pip on Ubuntu?
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pip-3.3, pip-3.4 etc no longer work. It is now just: pip, pip2, pip3. (At least on Ubuntu 14.04)
– 6005
Feb 13 '15 at 13:19
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Submit form using a button outside the tag
...ns proposed. in the latest Chrome for example, HTML5 validation (required, etc.) is skipped. one solution i can think of is having two submit buttons, one hidden. a click should be triggered on the hidden button. the form should not be submitted without proper validation.
– v...
Force DOM redraw/refresh on Chrome/Mac
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But it left some 'remains' like 'display: block' etc that sometimes can destroy page structure.
– pie6k
Jul 21 '14 at 9:14
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C++ Const Usage Explanation
...his case Method3) you read back-and-forth from left-to-right-back-to-left, etc. in order to decode naming conventions. So const int* const Method3(const int* const&) const is a class method that doesn't change any class members (of some un-named class) and takes a constant reference to a pointe...