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

... 1161 You can check if [string length] == 0. This will check if it's a valid but empty string (@"")...
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how to draw directed graphs using networkx in python?

... MariusMarius 46.5k1111 gold badges8787 silver badges8989 bronze badges ...
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How can I restore the MySQL root user’s full privileges?

... | edited Jan 19 '12 at 11:35 community wiki ...
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Environment variables for java installation

... Java SE Development Kit 8u112 on a 64-bit Windows 7 or Windows 8 Set the following user environment variables (== environment variables of type user variables) JAVA_HOME : C:\Program Files\Java\jdk1.8.0_112 JDK_HOME : %JAVA_HOME% JRE_HOME : %JAVA...
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Simple Vim commands you wish you'd known earlier [closed]

... 115 Holy crap. 15 years of vi and I never knew this... – Chris K Aug 18 '09 at 18:25 ...
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Make HTML5 video poster be same size as video itself

... Community♦ 111 silver badge answered Jun 1 '12 at 15:27 user2428118user2428118 7,15944 go...
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Aborting a stash pop in Git

I popped a stash and there was a merge conflict. Unlike the question that is listed as a duplicate, I already had some uncommitted changes in the directory which I wanted to keep. I don't just want to make the merge conflict disappear, but also to get my directory back to the state it was before the...
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What exactly is a Maven Snapshot and why do we need it?

... answered May 5 '11 at 16:57 Joachim SauerJoachim Sauer 266k5353 gold badges513513 silver badges578578 bronze badges ...
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Passing data between controllers in Angular JS?

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Make the current commit the only (initial) commit in a Git repository?

... hour I finally got this to do my bidding! – user6885115 Apr 23 '17 at 16:52  |  show 10 more comments ...