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Android OpenGL ES and 2D

Well, here's my request. I don't know OpenGL already, and I'm not willing to learn it, I want to learn OpenGL ES directly since I'm targeting my development to android, however. I want to learn OpenGL ES in order to develop my 2D games. I chose it for performances purpose (since basic SurfaceView ...
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Vagrant's port forwarding not working [closed]

... with a simple HTTP server you can use -- go to the folder with index.html and run sudo python -m SimpleHTTPServer 80, then try hitting that with curl from both boxes. If that works, then it's probably an Apache configuration issue. I don't have enough experience with Apache to help if that's the ...
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What are best practices for validating email addresses on iOS 2.0

...his modification of DHValidation: - (BOOL) validateEmail: (NSString *) candidate { NSString *emailRegex = @"(?:[a-z0-9!#$%\\&'*+/=?\\^_`{|}~-]+(?:\\.[a-z0-9!#$%\\&'*+/=?\\^_`{|}" @"~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\" @"x7f]|\\\\[\\x01-\\x09\\x0b\\x0c...
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Why is a round-trip conversion via a string not safe for a double?

Recently I have had to serialize a double into text, and then get it back. The value seems to not be equivalent: 3 Answers ...
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Why am I getting a “401 Unauthorized” error in Maven?

...f you supply the wrong credentials (password etc). You also get an error (and off the top of my head is also a 401) if you try to publish something to a releases repository and that version already exists in the repository. So you might find that by publishing from the command line it works, but t...
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What does ** (double star/asterisk) and * (star/asterisk) do for parameters?

In the following method definitions, what does the * and ** do for param2 ? 22 Answers ...
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Using String Format to show decimal up to 2 places or simple integer

...that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should display 100.20 similarly for 100.22 should be same . I googled and came across some examples but they didn't match exactly what i wanted : ...
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Breaking out of a nested loop

...nested within another, how can I efficiently come out of both loops (inner and outer) in the quickest possible way? 22 Answ...
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Flexbox and Internet Explorer 11 (display:flex in ?)

I am planning to move away from "floaty" layouts and use CSS flexbox for future projects. I was delighted to see that all major browsers in their current versions seem to support (in one way or another) flexbox. ...
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Twitter oAuth callbackUrl - localhost development

...e tip to alternatively use a URL shortener service. Shorten your local URL and provide the result as callback. Alternative 3. Furthermore, it seems that it works to provide for example http://127.0.0.1:8080 as callback to Twitter, instead of http://localhost:8080. ...