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How to make blinking/flashing text with CSS 3

... You are first setting opacity: 1; and then you are ending it on 0, so it starts from 0% and ends on 100%, so instead just set opacity to 0 at 50% and the rest will take care of itself. Demo .blink_me { animation: blinker 1s linear infinite; } @ke...
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Iterate over model instance field names and values in template

... instance's field values, along with their names. Think of it as just a standard output of the values of that instance in table format, with the field name (verbose_name specifically if specified on the field) in the first column and the value of that field in the second column. ...
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Rounding up to next power of 2

... This thread is still well referenced but this answer (and most others) are highly outdated. CPUs have an instruction to help this (actually already at that time?). From : jameshfisher.com/2018/03/30/round-up-power-2.html uint64_t next_pow2(uint64_t x) { return x == 1 ? 1 : 1&lt...
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How do I detect unsigned integer multiply overflow?

...ting a program in C++ to find all solutions of a b = c , where a , b and c together use all the digits 0-9 exactly once. The program looped over values of a and b , and it ran a digit-counting routine each time on a , b and ab to check if the digits condition was satisfied. ...
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Why is #!/usr/bin/env bash superior to #!/bin/bash?

...ven seen one enterprising individual suggest using #!/bin/bash was wrong and bash functionality would be lost by doing so. ...
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Is there a built-in method to compare collections?

...tents of a couple of collections in my Equals method. I have a Dictionary and an IList. Is there a built-in method to do this? ...
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C# Passing Function as Argument [duplicate]

...s mentioned above works but there are also delegates that do the same task and also define intent within the naming: public delegate double MyFunction(double x); public double Diff(double x, MyFunction f) { double h = 0.0000001; return (f(x + h) - f(x)) / h; } public double MyFunctionMet...
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What's the difference between Cache-Control: max-age=0 and no-cache?

...r Cache-Control: max-age=0 implies that the content is considered stale (and must be re-fetched) immediately, which is in effect the same thing as Cache-Control: no-cache . ...
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Best practices to test protected methods with PHPUnit

...If you're using PHP5 (>= 5.3.2) with PHPUnit, you can test your private and protected methods by using reflection to set them to be public prior to running your tests: protected static function getMethod($name) { $class = new ReflectionClass('MyClass'); $method = $class->getMethod($name);...
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Hidden Features of SQL Server

...velopers still don't seem to know about the OUTPUT clause (SQL Server 2005 and newer) on the DELETE, INSERT and UPDATE statement. It can be extremely useful to know which rows have been INSERTed, UPDATEd, or DELETEd, and the OUTPUT clause allows to do this very easily - it allows access to the "vir...