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How do I test if a string is empty in Objective-C?

... 12 There are some very rare NSStrings where this will result in a false negative (saying the string isn't empty, when, for practical purposes,...
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MySQL get the date n days ago as a timestamp

...:55:09 mysql> SELECT UNIX_TIMESTAMP(DATE_SUB(NOW(), INTERVAL 30 day)); 1244433347 share | improve this answer | follow | ...
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Does BroadcastReceiver.onReceive always run in the UI thread?

... answered Apr 15 '11 at 12:41 CommonsWareCommonsWare 873k161161 gold badges21342134 silver badges21612161 bronze badges ...
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What are best practices for using SmtpClient, SendAsync and Dispose under .NET 4.0

...ds on the requirements. – Jowen May 12 '14 at 8:45 14 SendMailAsync() is a wrapper around SendAsy...
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Why number 9 in kill -9 command in unix? [closed]

... answered Mar 30 '12 at 23:27 Rafał RawickiRafał Rawicki 20.3k33 gold badges5353 silver badges7575 bronze badges ...
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How to use setArguments() and getArguments() methods in Fragments?

... Vasily Kabunov 4,8391212 gold badges3939 silver badges4646 bronze badges answered Mar 24 '11 at 22:07 codeScribercodeScri...
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How to find whether or not a variable is empty in Bash

... Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges answered Jun 17 '10 at 17:09 JayJay ...
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How to create a jQuery function (a new jQuery method or plugin)?

... answered Aug 23 '12 at 13:59 CandideCandide 27.3k66 gold badges4949 silver badges5757 bronze badges ...
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How can I git stash a specific file?

...er popped. – James Johnston Sep 26 '12 at 14:42 52 @JamesJohnston git stash --keep-index will all...
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Are there pronounceable names for common Haskell operators? [closed]

... answered Oct 12 '11 at 21:58 fuzfuz 72.3k2323 gold badges153153 silver badges294294 bronze badges ...