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Ternary operator is twice as slow as an if-else block?

...several additional registers available, and each register is 64-bits. This allows the X64 JIT to perform the inner loop entirely using registers aside from loading i from the array, while the X86 JIT places several stack operations (memory access) in the loop. value is a 64-bit integer, which requir...
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how to detect search engine bots with php?

...ming to them. It also depends on utility. I wouldn't use this to strip out all CSS, but I would use this to not store cookies, ignore location logging, or skip a landing page. – JonShipman Mar 26 '15 at 21:28 ...
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How to check if all list items have the same value and return it, or return an “otherValue” if they

If all the items in a list have the same value, then I need to use that value, otherwise I need to use an “otherValue”. I can’t think of a simple and clear way of doing this. ...
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How do I use PHP namespaces with autoload?

... $class parameter of autoload is the class name as written in constructor call. – tishma Feb 6 '13 at 12:29 1 ...
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HTML 5 Favicon - Support?

.../to/favicon.png"> This icon should be 196x196 pixels in size to cover all devices that may use this icon. To cover touch icons on mobile devices we are going to use Apple's proprietary way to cite a touch icon: <link rel="apple-touch-icon-precomposed" href="apple-touch-icon-precomposed.pn...
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How to sort strings in JavaScript

... An updated answer (October 2014) I was really annoyed about this string natural sorting order so I took quite some time to investigate this issue. I hope this helps. Long story short localeCompare() character support is badass, just use it. As pointed out by Shog9...
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C# LINQ find duplicates in List

...erable.GroupBy(x => x.Key).Any(g => g.Count() > 1); Find out if all values in an enumerable are unique : var allUnique = enumerable.GroupBy(x => x.Key).All(g => g.Count() == 1); share | ...
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Are PHP include paths relative to the file or the calling code?

...e location of A.PHP? That is, does it matter which file the include is called from, or only what the current working directory is- and what determines the current working directory? ...
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What does “mro()” do?

...very attribute you get on a class's instance, not just methods, is conceptually looked up along the __mro__, so, if more than one class among the ancestors defines that name, this tells you where the attribute will be found -- in the first class in the __mro__ that defines that name. ...
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How to get first character of string?

...le what you say is true, unfortunately charAt() without any parameters actually runs about 10x slower than chartAt(0) in Firefox as of Firefox 71. See for yourself here: jsperf.com/testing-the-first-character-in-a-string/1 – Stephen M Irving Dec 16 '19 at 21:54...