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Android OpenGL ES and 2D

...your canvas set up, you start by calling something like: gl.glClear(GL10.GL_COLOR_BUFFER_BIT); After that you're ready to render a sprite. First, you'll need to load the sprite into a texture: http://qdevarena.blogspot.com/2009/02/how-to-load-texture-in-android-opengl.html However, this is the tut...
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?

... Not only did I use set brackets, but I did say sub_set_. :-) Unless you employ weird things like Kuratowski's definition, you can't be a subset of an ordered pair. :-] (TypeError: '<=' not supported between instances of 'set' and 'tuple', Python would say.;) ...
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apt-get for Cygwin?

...s setup.exe from Windows command line. Example: cd C:\cygwin64 setup-x86_64 -q -P wget,tar,qawk,bzip2,subversion,vim For a more convenient installer, you may want to use the apt-cyg package manager. Its syntax similar to apt-get, which is a plus. For this, follow the above steps and then use Cygw...
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How to match a String against string literals in Rust?

...intln!("0"), "b" => println!("1"), "c" => println!("2"), _ => println!("something else!"), } There's also an as_str method as of Rust 1.7.0: match stringthing.as_str() { "a" => println!("0"), "b" => println!("1"), "c" => println!("2"), _ => println...
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Why is printing to stdout so slow? Can it be sped up?

... I experimented earlier with huge (up to 10MB with fp = os.fdopen(sys.__stdout__.fileno(), 'w', 10000000)) python-side buffers. Impact was nil. ie: still long tty delays. This made me think/realize that you just postpone the slow tty problem... when python's buffer finally flushes the tty st...
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Python argparse ignore unrecognised arguments

... Replace args = parser.parse_args() with args, unknown = parser.parse_known_args() For example, import argparse parser = argparse.ArgumentParser() parser.add_argument('--foo') args, unknown = parser.parse_known_args(['--foo', 'BAR', 'spam']) prin...
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Deadly CORS when http://localhost is the origin

... code works for me with POST to LocalHost with Chrome <?php if (isset($_SERVER['HTTP_ORIGIN'])) { //header("Access-Control-Allow-Origin: {$_SERVER['HTTP_ORIGIN']}"); header("Access-Control-Allow-Origin: *"); header('Access-Control-Allow-Credentials: true'); header("Access-Con...
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iPhone - Get Position of UIView within entire UIWindow

...ew.frame.origin toView:nil]; 2014 Edit: Looking at the popularity of Matt__C's comment it seems reasonable to point out that the coordinates... don't change when rotating the device. always have their origin in the top left corner of the unrotated screen. are window coordinates: The coordinate s...
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How can I use Timer (formerly NSTimer) in Swift?

...syntax (iOS 10+) let timer = Timer(timeInterval: 0.4, repeats: true) { _ in print("Done!") } // Swift >=3 selector syntax let timer = Timer.scheduledTimer(timeInterval: 0.4, target: self, selector: #selector(self.update), userInfo: nil, repeats: true) // Swift 2.2 selector syntax ...
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Add swipe to delete UITableViewCell

... and updating the tableview) } } Swift 3.0: override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool { return true } override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCellEditingStyle, forRowAt indexPath: IndexPath) {...