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Accessing nested JavaScript objects and arays by string path

...rt3[0].name'); See a working demo at http://jsfiddle.net/alnitak/hEsys/ EDIT some have noticed that this code will throw an error if passed a string where the left-most indexes don't correspond to a correctly nested entry within the object. This is a valid concern, but IMHO best addressed with ...
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How to reshape data from long to wide format

...so does this simply, with gather()/spread() being the terms for melt/cast. Edit: Now, in 2019, tidyr v 1.0 has launched and set spread and gather on a deprecation path, preferring instead pivot_wider and pivot_longer, which you can find described in this answer. Read on if you want a brief glimpse i...
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PHP abstract properties

... follow | edited Jul 3 '13 at 12:48 Emanuil Rusev 30.8k4747 gold badges121121 silver badges191191 bronze badges ...
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Navigation bar appear over the views with new iOS7 SDK

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Change all files and folders permissions of a directory to 644/755

... follow | edited Jan 8 '19 at 21:59 T.Todua 41.4k1515 gold badges181181 silver badges170170 bronze badges ...
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How can I check if a string represents an int, without using try/except?

...t work with '16.0' format, which is similar to int casting in this sense. edit: def check_int(s): if s[0] in ('-', '+'): return s[1:].isdigit() return s.isdigit() share | improve ...
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How to list all properties of a PowerShell object

... follow | edited Dec 29 '18 at 9:36 Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges ...
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xtree(1796): warning C4800: “int”: 将值强制为布尔值“true”或“false...

...e\xtree(1775): 参见对正在编译的函数 模板 实例化“std::pair<_Ty1,_Ty2> std::_Tree<_Traits>::_Insert_nohint<std::pair<const _Kty,_Ty>&,_Nodety>(bool,_Valty,_Nodety)”的引用 1> with 1> [ 1> _Ty1=std::_Tree_iterator<std::_Tree_val<std::_Tree_simple_t...
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How to replace a hash key with another key

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Benchmarking (python vs. c++ using BLAS) and (numpy)

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