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Most efficient way to cast List to List

...ot behave the same as arrays in Java. Arrays are covariant; that is, it is allowed to do this: SubClass[] subs = ...; BaseClass[] bases = subs; This is allowed, because the array "knows" the type of its elements. If someone attempts to store something that isn't an instance of SubClass in the arr...
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Cannot delete directory with Directory.Delete(path, true)

...'s note: Although this answer contains some useful information, it is factually incorrect about the workings of Directory.Delete. Please read the comments for this answer, and other answers to this question. I ran into this problem before. The root of the problem is that this function does not d...
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Confused about Service vs Factory

... All angular services are singletons: Docs (see Services as singletons): https://docs.angularjs.org/guide/services Lastly, it is important to realize that all Angular services are application singletons. This means that t...
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Looking for a good world map generation algorithm [closed]

... and modify your second idea. Once you generate your continents (which are all about the same size), get them to randomly move and rotate and collide and deform each other and drift apart from each other. (Note: this may not be the easiest thing ever to implement.) Edit: Here's another way of doing...
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How to do relative imports in Python?

... the module were a top level module, regardless of where the module is actually located on the file system. In Python 2.6, they're adding the ability to reference modules relative to the main module. PEP 366 describes the change. Update: According to Nick Coghlan, the recommended alternative is ...
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Easy way to dismiss keyboard?

...ere's an easier way to dismiss the keyboard without having to loop through all my controls and resigning them all as the first responder. I guess the question is.. How would I get the current first responder to the keyboard? ...
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How to scale threads according to CPU cores?

...e it just like you would create any other object. So, let's say that you call the above method and find that it returns 2 processors. Awesome. Now, you can create a loop that generates a new Thread, and splits the work off for that thread, and fires off the thread. Here's some psuedocode to demo...
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Forking from GitHub to Bitbucket

... My project is being hosted on Bitbucket . Both of them use git . Basically I'd like to create a ‘fork’ (I don't know if I'm using the right terms, since I'm new to git ) of CakePHP in my Bitbucket repository, in order to be able to get the updates without the need to download all the CakeP...
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How to stop /#/ in browser with react-router?

... Note that history is a stand-alone package you'll need to install. – Jan Klimo Oct 24 '15 at 15:01 4 ...
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What is the meaning of addToBackStack with null parameter?

I have a customer code. There is only one activity for all of the fragments i.e. the single activity is managing all the fragments. ...