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How set background drawable programmatically in Android

...UPDATE: getDrawable(int ) deprecated in API level 22 getDrawable(int ) is now deprecated in API level 22. You should use the following code from the support library instead: ContextCompat.getDrawable(context, R.drawable.ready) If you refer to the source code of ContextCompat.getDrawable, it give...
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How to concatenate two numbers in javascript?

... You can now make use of ES6 template literals. const numbersAsString = `${5}${6}`; console.log(numbersAsString); // Outputs 56 Or, if you have variables: const someNumber = 5; const someOtherNumber = 6; const numbersAsString = `...
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Measuring execution time of a function in C++

...5; } } int main() { auto t1 = std::chrono::high_resolution_clock::now(); function(); auto t2 = std::chrono::high_resolution_clock::now(); auto duration = std::chrono::duration_cast<std::chrono::microseconds>( t2 - t1 ).count(); std::cout << duration; return...
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_

...will wait until dest is ready before executing. This false dependency is (now) documented by Intel as erratum HSD146 (Haswell) and SKL029 (Skylake) Skylake fixed this for lzcnt and tzcnt. Cannon Lake (and Ice Lake) fixed this for popcnt. bsf/bsr have a true output dependency: output unmodified for...
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For loop for HTMLCollection elements

...rties of the object): 0 1 2 item namedItem @@iterator length Hopefully, now you can see why you want to use for (var i = 0; i < list.length; i++) instead so you just get 0, 1 and 2 in your iteration. Following below is an evolution of how browsers have evolved through the time period 2015-2...
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How to create a GUID/UUID using iOS

...ns the Unique ID of your iPhone. EDIT: -[UIDevice uniqueIdentifier] is now deprecated and apps are being rejected from the App Store for using it. The method below is now the preferred approach. If you need to create several UUID, just use this method (with ARC): + (NSString *)GetUUID { CFU...
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NodeJS / Express: what is “app.use”?

...t has a middleware stack that can be customized in app.configure()(this is now deprecated in version 4.x). To setup your middleware, you can invoke app.use(<specific_middleware_layer_here>) for every middleware layer that you want to add (it can be generic to all paths, or triggered only on ...
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Get current date in milliseconds

...d it'll result in a negative value. For example, if I run that code right now, it'll result in currentTime = 1357234941 and currentTime /seconds / minutes / hours / days = years 1357234941 / 60 / 60 / 24 / 365 = 43.037637652207 ...
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How can I determine what font a browser is actually using to render some text?

... Per Wilfred Hughes' answer, Firefox now supports this natively. This article has more details. This answer original referenced the "Font Finder" plugin, but only because it was from 4 years ago. The fact that old answers linger like this and the community can...
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Const in JavaScript: when to use it and is it necessary?

...eginning of 2014 and a lot has changed since then. ecmascript-6 support is now the norm. All modern browsers now support const so it should be pretty safe to use without any problems. Original Answer from 2014 Despite having fairly decent browser support, I'd avoid using it for now. From MDN's a...