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Android phone orientation overview including compass

I've been trying to get my head around the Android orientation sensors for a while. I thought I understood it. Then I realised I didn't. Now I think (hope) I have a better feeling for it again but I am still not 100%. I will try and explain my patchy understanding of it and hopefully people will be ...
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Why not use Double or Float to represent currency?

...lways been told never to represent money with double or float types, and this time I pose the question to you: why? ...
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How do browsers pause/change Javascript when tab or window is not active?

...st is quite CPU intensive. requestAnimationFrame is not supported by IE 9- and Opera 12-. The test logs the actual time it takes for a setInterval and requestAnimationFrame to run in different browsers, and gives you the results in the form of a distribution. You can change the number of millisecon...
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How to easily resize/optimize an image size with iOS?

My application is downloading a set of image files from the network, and saving them to the local iPhone disk. Some of those images are pretty big in size (widths larger than 500 pixels, for instance). Since the iPhone doesn't even have a big enough display to show the image in its original size, I'...
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How do I compare version numbers in Python?

...lity but is used by setuptools (so you probably already have it installed) and is conformant to the current PEP 440; it will return a packaging.version.Version if the version is compliant and a packaging.version.LegacyVersion if not. The latter will always sort before valid versions. Note: packagin...
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[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...

... "regular" scheme is dark */ /* user picked a theme a light scheme and also enabled a dark scheme */ /* deal with light scheme first */ @media (prefers-color-scheme: light) { :root { --primary: #222222; --secondary: #ffffff; --te...
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)

...n alternative binary serialization format to Google's Protocol Buffers and JSON which also outperforms both. 6 Answer...
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Manifest merger failed : uses-sdk:minSdkVersion 14

Since downloading the latest SDK and installing Android Studio, my project fails to build. I get the following message: 28 ...
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How do I select elements of an array given condition?

...e elements in y corresponding to elements in x that are greater than 1 and less than 5. 6 Answers ...
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Simple (non-secure) hash function for JavaScript? [duplicate]

... can simply call .hashCode() on any string, e.g. "some string".hashCode(), and receive a numerical hash code (more specifically, a Java equivalent) such as 1395333309. String.prototype.hashCode = function() { var hash = 0; if (this.length == 0) { return hash; } for (var i =...