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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...
How to get temporary folder for current user
Currently I am using following function to get the temporary folder path for current user:
4 Answers
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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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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 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...
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:
15 Answers
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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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C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...l.cpp 和主模块两个文件中——生成工程没有链接错误。去下载源代码自己尝试一下吧。
如果你正在为其他开发人员写模板库，extern 方式会很不爽，因为你必须创建一个带目标模块的链接库（lib），它包含有特化。如果你已经有...
What is object serialization?
What is meant by "object serialization"? Can you please explain it with some examples?
14 Answers
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