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What is the difference between Fragment and FragmentActivity?

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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

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How to Test a Concern in Rails

Given that I have a Personable concern in my Rails 4 application which has a full_name method, how would I go about testing this using RSpec? ...
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Swift equivalent for MIN and MAX macros

... | edited Oct 7 '16 at 15:46 Valeriy Van 1,8461515 silver badges1919 bronze badges answered Jun 12 '14 a...
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What is the meaning of id?

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Named colors in matplotlib

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Apply CSS styles to an element depending on its child elements

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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation

... Worker thread calls per second: 970415 And native, on my MacBook Pro 15" (Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz) with Apple LLVM version 10.0.0 (clang-1000.10.44.4) under OSX 10.13.6, I get this: Do nothing calls...
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Can you get DB username, pw, database name in Rails?

... 247 From within rails you can create a configuration object and obtain the necessary information fr...
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How to get duration, as int milli's and float seconds from ?

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