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How do I 'overwrite', rather than 'merge', a branch on another branch in Git?

...eckout B $ echo 'B' > file2 $ git commit -m 'change on branch B' file2 Now, let's try the strategy option (doesn't really matter if we use theirs or ours for this explanation): $ git merge -X ours A $ cat file* A B original We end up with a merge of both branches' contents (branch "strategy-opt...
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When to use volatile with multi threading?

...e semantics on volatile variables. [Update for C++11] The C++11 Standard now does acknowledge multithreading directly in the memory model and the lanuage, and it provides library facilities to deal with it in a platform-independant way. However the semantics of volatile still have not changed. v...
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Is there a simple way to convert C++ enum to string?

...:ostream& operator<<(std::ostream& os, enum Colours c) { if (c >= ColoursCount || c < 0) return os << "???"; return os << colours_str[c]; } int main() { std::cout << Red << Blue << Green << Cyan << Yellow << Magenta &lt...
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Concatenate two slices in Go

..., it gathers them into a new slice and passes it. I don't have first-hand knowledge of the exact mechanics, but I'd guess that this: foo(1, 2, 3, 4, 5) and this: func foo(is ...int) { just de-sugars to this: foo([]int{1, 2, 3, 4, 5}) and this: func foo(is []int) {. – user110692...
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GET URL parameter in PHP

...uld (and should) ensure your code does not trigger notices with: <?php if (isset($_GET['link'])) { echo $_GET['link']; } else { // Fallback behaviour goes here } Alternatively, if you want to skip manual index checks and maybe add further validations you can use the filter extension: ...
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How to initialize static variables

...r = array(…); } } Foo::init(); PHP 5.6 can handle some expressions now. /* For Abstract classes */ abstract class Foo{ private static function bar(){ static $bar = null; if ($bar == null) bar = array(...); return $bar; } /* use where necessary...
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C++0x has no semaphores? How to synchronize threads?

... unsigned long count_ = 0; // Initialized as locked. public: void notify() { std::lock_guard<decltype(mutex_)> lock(mutex_); ++count_; condition_.notify_one(); } void wait() { std::unique_lock<decltype(mutex_)> lock(mutex_); while(!c...
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How to convert current date into string in java?

... FYI, these troublesome classes are now legacy, supplanted by the java.time classes. See Oracle Tutorial. – Basil Bourque Aug 18 '17 at 15:46 ...
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Cookie overflow in rails application?

I have this error when I try to open the page. I do not know how to debug this error. Do you have any suggestion for this problem? ...
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How to add target=“_blank” to JavaScript window.location?

...unction ToKey(){ var key = document.tokey.key.value.toLowerCase(); if (key == "smk") { window.open('http://www.smkproduction.eu5.org', '_blank'); } else { alert("Kodi nuk është valid!"); } } ...