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Setting variable to NULL after free

... I personally think that in any none-trivial codebase getting an error for dereferencing null is as vague as getting an error for dereferencing an address you don't own. I personally never bother. – wilhelmtell Dec 8 '1...
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Should I use `this` or `$scope`?

...kly, mixing them will work, but it will just add to the confusion. So pick one and roll with it. The most important thing is to be consistent. Which one? That depends on you. There are many more examples out there of $scope, but "controller as" is picking up steam as well. Is one better than the ot...
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Why do std::shared_ptr work

...nter ‘void ( void* )‘ you are performing the type erasure there: T is gone from the stored pointer type. – David Rodríguez - dribeas Nov 16 '11 at 10:05 1 ...
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Copy/duplicate database without using mysqldump

Without local access to the server, is there any way to duplicate/clone a MySQL db (with content and without content) into another without using mysqldump ? ...
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Android studio: new project vs new module

...hem together and ties them into a greater whole. For Android, it means one project per app, and one module per library and per test app. There are multiple issues if you try to build multiple apps within the same project. It's possible, but if you try (like I did), you will see that almost ever...
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What is the purpose of Serialization in Java?

...a number of articles on Serialization and how it is so nice and great but none of the arguments were convincing enough. I am wondering if someone can really tell me what is it that we can really achieve by serializing a class? ...
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Regular expression to search for Gadaffi

...bic transcription is (Wiki says) "Qaḏḏāfī", so maybe adding a Q. And one H ("Gadhafi", as the article (see below) mentions). Btw, why is there a $ at the end of the regex? Btw, nice article on the topic: Gaddafi, Kadafi, or Qaddafi? Why is the Libyan leader’s name spelled so many differ...
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What does the caret (^) character mean?

...e tip of the current branch. Remember that git commits can have more than one parent. HEAD^ is short for HEAD^1, and you can also address HEAD^2 and so on as appropriate. You can get to parents of any commit, not just HEAD. You can also move back through generations: for example, master~2 means th...
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How can I change the color of my prompt in zsh (different from normal text)?

...hat it is visibly different from the programs output. As I use zsh, can anyone give me a hint? 10 Answers ...
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Difference between variable declaration syntaxes in Javascript (including global variables)?

...a couple of differences, though in practical terms they're not usually big ones. There's a fourth way, and as of ES2015 (ES6) there's two more. I've added the fourth way at the end, but inserted the ES2015 ways after #1 (you'll see why), so we have: var a = 0; // 1 let a = 0; // 1.1 (new w...