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What's the best way to communicate between view controllers?

... reusable. And if you think about where the Stanford presenters are coming from (i.e., as Apple employees their job is to build classes that can easily be reused), reusability and modularity are high priorities. All of the best practices they mention for sharing data are part of dependency injection...
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Random number generation in C++11: how to generate, how does it work? [closed]

...entire sequence of "random" numbers, so a) use a different one (e.g. taken from /dev/urandom) each time, and b) store the seed if you wish to recreate a sequence of random choices. #include <random> typedef std::mt19937 MyRNG; // the Mersenne Twister with a popular choice of parameters uint...
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How to access component methods from “outside” in ReactJS?

Why can’t I access the component methods from “outside” in ReactJS? Why is it not possible and is there any way to solve it? ...
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Convert base-2 binary number string to int

... Another way to do this is by using the bitstring module: >>> from bitstring import BitArray >>> b = BitArray(bin='11111111') >>> b.uint 255 Note that the unsigned integer is different from the signed integer: >>> b.int -1 The bitstring module isn't a req...
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What is the difference between '/' and '//' when used for division?

... in the 2.x line, there is no difference for integers unless you perform a from __future__ import division, which causes Python 2.x to adopt the 3.x behavior. Regardless of the future import, 5.0 // 2 will return 2.0 since that's the floor division result of the operation. You can find a detailed ...
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Optional query string parameters in ASP.NET Web API

...run-time could have taken the type's default value if it didn't receive it from the URI. What is the technical reason behind this?. I'm sure this has something to do with model binder. – RBT Feb 2 '17 at 10:52 ...
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What is reflection and why is it useful?

...methods which are marked or work in a certain way is still common. Update from a comment: The ability to inspect the code in the system and see object types is not reflection, but rather Type Introspection. Reflection is then the ability to make modifications at runtime by making use of i...
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Reading GHC Core

...g Core by reading GHC source. Some is described in my undergraduate thesis from 2002, from page 16. From using the ghc-core tool, to generate Core in a format I find pleasing. Core in turn is translated into STG code, which looks something like: The funny names in Core are encoded in the "Z-enc...
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Problems with Android Fragment back stack

...can we prevent this behaviour without resorting to hacky ways like the one from DexterMoon, or the one from Nemanja using popBackStack which shows the Fragment while playing the transition animation? – momo Sep 27 '13 at 7:31 ...
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How to return multiple lines JSX in another return statement in React?

...menu code into a single component "anchored" at ul than to shoehorn in lis from multiple sources. I think it made also the mental model for the UI a little cleaner. – ruffin Mar 24 '17 at 17:43 ...