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C++ : why bool is 8 bits long?

... I'm wondering why the bool type is 8 bits long (on my system), where only one bit is enough to hold the boolean value ? 6 ...
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What's better to use in PHP, $array[] = $value or array_push($array, $value)?

...enchmarks, but I personally feel like $array[] is cleaner to look at, and honestly splitting hairs over milliseconds is pretty irrelevant unless you plan on appending hundreds of thousands of strings to your array. Edit: Ran this code: $t = microtime(true); $array = array(); for($i = 0; $i < 1000...
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Could not find com.google.android.gms:play-services:3.1.59 3.2.25 4.0.30 4.1.32 4.2.40 4.2.42 4.3.23

...your SDK Manager. Also be aware that there might be 2 SDK installations - one coming from AndroidStudio and one you might have installed. Better consolidate this to one installation - this is a common pitfall - that you have it installed in one installation but it fails when you build with the othe...
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How to escape double quotes in JSON

I'm trying to show double quotes but it shows one of the backslashes: 7 Answers 7 ...
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Thread vs ThreadPool

...e there and why should I consider using a thread from the pool rather than one I've explicitly created? I'm thinking specifically of .NET here, but general examples are fine. ...
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Intellij IDEA Java classes not auto compiling on save

...does in the background, but it takes Intellij about 3-4 seconds to compile one small change in one single class. Even the "Compile 'StartController.java'" meaning one class only takes 3-4 seconds. Eclipse does this in less than 100 milliseconds. I will test the eclipse mode plugin again and decide w...
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Delete duplicate rows from small table

... For huge tables (several million records) this one actually fits in memory, unlike @rapimo's solution. So in those cases this is the faster one (no swapping). – Giel Nov 11 '19 at 10:21 ...
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Fastest way to check a string contain another substring in JavaScript?

... Any reason substr() is not one of the possible solutions? I'd guess it's a lot faster than the RegEx solution in many situations. I don't know how it compares to indexOf() though (so if you left it out because it always performs worse than indexOf() th...
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Git push rejected after feature branch rebase

...ce-pushing them back to remote repository is OK as long as you're the only one who works on that branch. share | improve this answer | follow | ...
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What is an abstract class in PHP?

... An abstract class is a class that contains at least one abstract method, which is a method without any actual code in it, just the name and the parameters, and that has been marked as "abstract". The purpose of this is to provide a kind of template to inherit from and to forc...