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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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CSS background opacity with rgba not working in IE 8

... Create a png which is larger than 1x1 pixel (thanks thirtydot), and which matches the transparency of your background. EDIT : to fall back for IE6+ support, you can specify bkgd chunk for the png, this is a color which will replace the true alpha transparency if it is not supported. You ...
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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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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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What is the difference between ~> and >= when specifying rubygem in Gemfile?

...constraint. RubyGems will increment the last digit in the version provided and use that until it reaches a maximum version. So ~>0.8.5 is semantically equivalent to: gem "cucumber", ">=0.8.5", "<0.9.0" The easy way to think about it is that you're okay with the last digit incrementing to ...
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Reliable way for a Bash script to get the full path to itself [duplicate]

...up with (edit: plus some tweaks provided by sfstewman, levigroker, Kyle Strand, and Rob Kennedy), that seems to mostly fit my "better" criteria: SCRIPTPATH="$( cd "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )" That SCRIPTPATH line seems particularly roundabout, but we need it rather than...
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How do I use vim registers?

... Registers in Vim let you run actions or commands on text stored within them. To access a register, you type "a before a command, where a is the name of a register. If you want to copy the current line into register k, you can type "kyy Or you can append to a regis...
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Convert list of dictionaries to a pandas DataFrame

... As of Pandas 0.19.2, there's no mention of this in the documentation, at least not in the docs for pandas.DataFrame – Leo Alekseyev Apr 13 '17 at 22:56 ...
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Difference between variable declaration syntaxes in Javascript (including global variables)?

...gh in practical terms they're not usually big ones. There's a fourth way, and as of ES2015 (ES6) there's two more. I've added the fourth way at the end, but inserted the ES2015 ways after #1 (you'll see why), so we have: var a = 0; // 1 let a = 0; // 1.1 (new with ES2015) const a = 0; //...
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Validate decimal numbers in JavaScript - IsNumeric()

...ring this set of +30 unit tests made to numerous function implementations, and also share the one that passes all my tests: function isNumeric(n) { return !isNaN(parseFloat(n)) && isFinite(n); } P.S. isNaN & isFinite have a confusing behavior due to forced conversion to number. In...