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Convert NSArray to NSString in Objective-C
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NSString * result = [[array valueForKey:@"description"] componentsJoinedByString:@""];
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How do I animate constraint changes?
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Two important notes:
You need to call layoutIfNeeded within the animation block. Apple actually recommends you call it once before the animation block to ensure that all pending layout operations have been completed
You need to call it specifically on the parent view (e.g. self.view), not th...
Haskell: Lists, Arrays, Vectors, Sequences
...dard library, and for that matter the prelude, is full of useful list functions that should litter your code (foldr,map,filter). Lists are persistant , aka purely functional, which is very nice. Haskell lists aren't really "lists" because they are coinductive (other languages call these streams) s...
How to get temporary folder for current user
Currently I am using following function to get the temporary folder path for current user:
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html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
My webapp have javascript errors in ios safari private browsing:
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UITextField border color
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In iOS 7 you must set a border width or the color does not take effect.
– Micah
Mar 26 '14 at 19:46
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How to master AngularJS? [closed]
...ut the best parts (in recommended order of learning):
http://www.egghead.io/ - Series of short, to the point AngularJS videos
AngularJS Cheatsheet - regularly updated cheatsheet [latest update 13th February, 2013]
On nested scopes - Points out possible problems when using scope
inheritance (refere...
How do I check if a file exists in Java?
The only similar question on SO deals with writing the file and was thus answered using FileWriter which is obviously not applicable here.
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What is object serialization?
What is meant by "object serialization"? Can you please explain it with some examples?
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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
Haskell's website introduces a very attractive 5-line quicksort function , as seen below.
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