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How can I reverse a NSArray in Objective-C?

...rse any NSMutableArray in place: /* Algorithm: swap the object N elements from the top with the object N * elements from the bottom. Integer division will wrap down, leaving * the middle element untouched if count is odd. */ for(int i = 0; i < [array count] / 2; i++) { int j = [array co...
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Visual Studio 2010 always thinks project is out of date, but nothing has changed

...er) answers for VS2012, VS2013, etc To find the missing file(s), use info from the article Enable C++ project system logging to enable debug logging in Visual Studio and let it just tell you what's causing the rebuild: Open the devenv.exe.config file (found in %ProgramFiles%\Microsoft Visual Stud...
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Which equals operator (== vs ===) should be used in JavaScript comparisons?

...ntirely and just don't use the String constructor to create string objects from string literals. Reference http://www.ecma-international.org/ecma-262/5.1/#sec-11.9.3 share | improve this answer ...
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Explaining Python's '__enter__' and '__exit__'

...plained above, use this object with the with statement (you may need to do from __future__ import with_statement at the top of the file if you're on Python 2.5). with DatabaseConnection() as mydbconn: # do stuff PEP343 -- The 'with' statement' has a nice writeup as well. ...
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Can we delete an SMS in Android before it reaches the inbox?

I am deleting an SMS from the inbox but I want to know: How can I delete it before it reaches the inbox? 5 Answers ...
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Is there an “exists” function for jQuery?

... In my opinion, it's at least one logical indirection from the concept of "a list length that is greater than zero" to the concept of "the element(s) I wrote a selector for exist". Yeah, they're the same thing technically, but the conceptual abstraction is at a different level. ...
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Output array to CSV in Ruby

...er opaque looking back at it. :) It's basically extracting certain columns from the original census table into a subset. – tamouse Nov 13 '13 at 16:46 3 ...
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What's the point of 'meta viewport user-scalable=no' in the Google Maps API

... On many devices (such as the iPhone), it prevents the user from using the browser's zoom. If you have a map and the browser does the zooming, then the user will see a big ol' pixelated image with huge pixelated labels. The idea is that the user should use the zooming provided by Go...
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Error in exception handler. - Laravel

... Then make sure directory permissions are 775. chmod -R 775 app/storage From the Laravel web site: Laravel may require one set of permissions to be configured: folders within app/storage require write access by the web server. ...
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symfony 2 twig limit the length of the text and put three dots

... I know this is a very old question, but from twig 1.6 you can use the slice filter; {{ myentity.text|slice(0, 50) ~ '...' }} The second part from the tilde is optional for if you want to add something for example the ellipsis. Edit: My bad, I see the most up-vo...