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How do I iterate over an NSArray?

... The generally-preferred code for 10.5+/iOS. for (id object in array) { // do something with object } This construct is used to enumerate objects in a collection which conforms to the NSFastEnumeration protocol. This approach ha...
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How do I write LINQ's .Skip(1000).Take(100) in pure SQL?

... But this will first select all and then from that selection take only 10 right? Or will the first query/view have only 10 already? – Tadej Jan 29 '18 at 13:53 ...
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pydot and graphviz error: Couldn't import dot_parser, loading of dot files will not be possible

...workX (e.g. this NetworkX example failed). I kept getting: global name 'dot_parser' is not defined. Your solution solved this problem. – qtips Aug 6 '13 at 0:41 ...
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Portable way to get file size (in bytes) in shell?

... One would guess the portable ls -ln FILE | { read _ _ _ _ size _ && echo "$size"; } needs not fork for the second step of the pipeline, as it uses just built-ins, but Bash 4.2.37 on Linux forks twice (still only one execve, though). – Palec ...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback. ...
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android get all contacts

How can I get all the names of the contacts in my Android and put them into array of strings? 8 Answers ...
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iOS 7 style Blur view

...bove, I recently reworked the blurs in GPUImage to support variable radii, allowing for the complete replication of the blur size in iOS 7's control center view. From that, I created the GPUImageiOS7BlurFilter class that encapsulates the proper blur size and color correction that Apple appears to be...
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When to use .First and when to use .FirstOrDefault with LINQ?

I've searched around and haven't really found a clear answer as to when you'd want to use .First and when you'd want to use .FirstOrDefault with LINQ. ...
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Python memory leaks [closed]

... have a long-running script which, if let to run long enough, will consume all the memory on my system. 9 Answers ...
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How to ignore deprecation warnings in Python

... This doesn't work for me at all, still seeing deprecationwarnings. – user1244215 Oct 22 '13 at 0:43 9 ...