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Doctrine and composite unique keys

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How to check if a python module exists without importing it

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How is set() implemented?

... – Claudiu Creanga Sep 21 '16 at 21:13 4 No, average case is O(1) but worst case is O(N) for hash ...
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How can I combine two commits into one commit? [duplicate]

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Visibility of global variables in imported modules

...u could do something like this: import module1 thingy1 = module1.Thingy(a=3) thingy1.f() If you really do want a global, but it's just there to be used by module1, set it in that module. import module1 module1.a=3 module1.f() On the other hand, if a is shared by a whole lot of modules, put...
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How can I change property names when serializing with Json.net?

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How to remove gaps between subplots in matplotlib?

... 103 You can use gridspec to control the spacing between axes. There's more information here. impor...
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Creating a new directory in C

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Rails find_or_create_by more than one attribute?

...epak Mahakale 18.4k77 gold badges5454 silver badges7373 bronze badges answered Jun 15 '10 at 15:31 x1a4x1a4 18.6k44 gold badges373...
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XPath to find elements that does not have an id or class

... answered Mar 8 '10 at 19:36 WelbogWelbog 54.1k88 gold badges101101 silver badges118118 bronze badges ...