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R and version control for the solo data analyst

... I feel the answer to your question is a resounding yes- the benefits of managing your files with a version control system far outweigh the costs of implementing such a system. I will try to respond in detail to some of the points you raised: Backup: I have a backup system already i...
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Transposing a NumPy array

I use Python and NumPy and have some problems with "transpose": 16 Answers 16 ...
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How is AngularJS different from jQuery

...his opens a door for server rendering that can address SEO issue and work with Nativescript etc that don't work on browsers. The official document site Day one keynote from ng-conf 2016 Resource links Original: Basically, jQuery is a great tool for you to manipulate and control DOM elements. If yo...
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Is std::vector so much slower than plain arrays?

I've always thought it's the general wisdom that std::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so: ...
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Creating a segue programmatically

... By definition a segue can't really exist independently of a storyboard. It's even there in the name of the class: UIStoryboardSegue. You don't create segues programmatically - it is the storyboard runtime that creates them for you....
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Why does one use dependency injection?

...rying to understand dependency injections (DI), and once again I failed. It just seems silly. My code is never a mess; I hardly write virtual functions and interfaces (although I do once in a blue moon) and all my configuration is magically serialized into a class using json.net (sometimes using a...
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Check if a variable is a string in JavaScript

...fied though). This won't work as expected in the case of strings created with new String(), but this is seldom used and recommended against[1][2]. See the other answers for how to handle these, if you so desire. The Google JavaScript Style Guide says to never use primitive object wrappers. Doug...
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remove_if equivalent for std::map

I was trying to erase a range of elements from map based on particular condition. How do I do it using STL algorithms? 13 A...
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Difference between java.util.Random and java.security.SecureRandom

...ource code (JDK 7u2), from a comment on the method protected int next(int bits), which is the one that generates the random values: This is a linear congruential pseudorandom number generator, as defined by D. H. Lehmer and described by Donald E. Knuth in The Art of Computer Programming,...
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App restarts rather than resumes

...solutions here: https://code.google.com/p/android/issues/detail?id=2373. It's a relatively common issue on Samsung devices as well as other manufacturers that use a custom launcher/skin. I haven't seen the issue occur on a stock Android launcher. Basically, the app is not actually restarting comp...