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What is a C++ delegate?

...ouble d)> f = std::bind(&MyClass::DoStuff, this, std::placeholders::_1); // auto f = std::bind(...); in C++11 Option 7: templates Accept anything as long as it matches the argument list. template <class FunctionT> int DoSomething(FunctionT func) { return func(3.14); } ...
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Are duplicate keys allowed in the definition of binary search trees?

...about them. As just a starter, take a look here: en.wikipedia.org/wiki/List_of_data_structures#Trees – Andrew Sep 16 at 0:52 add a comment  |  ...
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How to .gitignore files recursively

... the repo root (parent directory of /Webapp). – lucid_dreamer May 6 '18 at 22:33 1 ...
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Swift Programming: getter/setter in stored property

...orarily wrong, you should wrap a computed property around it. private var _foo:Int = 0 var foo:Int { get { return _foo } set { if(newValue > 999) { _foo = 999 } else { _foo = newValue } } } Or: private var _foo:Int = 0 va...
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How do I get a raw, compiled SQL query from a SQLAlchemy expression?

...BSession.query(model.Name).distinct(model.Name.value) \ .order_by(model.Name.value) Or just any kind of session.query(). Thanks to Nicolas Cadou for the answer! I hope it helps others who come searching here. ...
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Why does calling a function in the Node.js REPL with )( work?

..., World!"); } hi)( Error: SyntaxError: Unexpected token ) at Module._compile (module.js:439:25) at Object.Module._extensions..js (module.js:474:10) at Module.load (module.js:356:32) at Function.Module._load (module.js:312:12) at Function.Module.runMain (module.js:497:10) a...
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How do you access the matched groups in a JavaScript regular expression?

...an access capturing groups like this: var myString = "something format_abc"; var myRegexp = /(?:^|\s)format_(.*?)(?:\s|$)/g; var match = myRegexp.exec(myString); console.log(match[1]); // abc And if there are multiple matches you can iterate over them: var myString = "something f...
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What are the differences between numpy arrays and matrices? Which one should I use?

... Or just np.linalg.matrix_power(mat, n) – Eric Feb 28 '17 at 11:16 I...
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How can I prevent SQL injection in PHP?

...ction->prepare('SELECT * FROM employees WHERE name = ?'); $stmt->bind_param('s', $name); // 's' specifies the variable type => 'string' $stmt->execute(); $result = $stmt->get_result(); while ($row = $result->fetch_assoc()) { // Do something with $row } If you're connecting...
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How to intercept click on link in UITextView?

...View shouldInteractWithURL:(NSURL *)URL inRange:(NSRange)characterRange *NS_DEPRECATED_IOS(7_0, 10_0, "Use textView:shouldInteractWithURL:inRange:forInteractionType: instead");* to intercept the clicks to links. And this is the best way to do it. For ios6 and earlier a nice way to do this is to b...