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Placeholder Mixin SCSS/CSS

...event you from using it at the root level. sassmeister.com/gist/9469073. Now if you're using LibSass, that's a different story. – cimmanon Mar 10 '14 at 16:58 ...
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When to use thread pool in C#? [closed]

...d tasks. Normally a pool consists of 2 threads per processor (so likely 4 nowadays), however you can set up the amount of threads you want, if you know how many you need. Edit: The reason to make your own threads is because of context changes, (thats when threads need to swap in and out of the pr...
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How to correctly save instance state of Fragments in back stack?

...e also been coding my apps with this expected behavior for quite some time now. – Ricardo Mar 28 '15 at 23:32 1 ...
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Best way to merge two maps and sum the values of same key?

... The shortest answer I know of that uses only the standard library is map1 ++ map2.map{ case (k,v) => k -> (v + map1.getOrElse(k,0)) } share | ...
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Redirect all to index.php using htaccess

...updated Feb '18 and Jan '19) It's not actually necessary (nor even common now) to set the path as a $_GET variable, many frameworks will rely on $_SERVER['REQUEST_URI'] to retrieve the same information - normally to determine which Controller to use - but the principle is exactly the same. This do...
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How do you mock out the file system in C# for unit testing?

...dly posted it online here. I've used this approach to mock out DateTime.UtcNow in an IClock interface (really really useful for our testing to be able to control the flow of time!), and more traditionally, an ISqlDataAccess interface. Another approach might be to use TypeMock, this allows you to int...
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When do we have to use copy constructors?

I know that C++ compiler creates a copy constructor for a class. In which case do we have to write a user-defined copy constructor? Can you give some examples? ...
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Difference between “git add -A” and “git add .”

... -A .. git add <path> is the same as "git add -A <path>" now, so that "git add dir/" will notice paths you removed from the directory and record the removal. In older versions of Git, "git add <path>" ignored removals. You can say "git add --ignore-removal <pa...
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How to find the size of localStorage

...n("\n")); P.S. Snippets are updated according to request in the comment. Now the calculation includes the length of the key itself. Each length is multiplied by 2 because the char in javascript stores as UTF-16 (occupies 2 bytes) P.P.S. Should work both in Chrome and Firefox. ...
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How to change the commit author for one specific commit?

... If you don't know what editor you're in, the answer is likely vim. To save and quit, type Esc : w q Enter. On the other hand, if it's Nano and you see things like "WriteOut: ^O" along the bottom, then you should use Ctrl+O, Enter, Ctrl+X i...