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What is an AngularJS directive?

...see the clear definition of jQuery as an example)? A directive is essentially a function† that executes when the Angular compiler finds it in the DOM. The function(s) can do almost anything, which is why I think it is rather difficult to define what a directive is. Each directive has a name (l...
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Permutations in JavaScript?

... If you notice, the code actually splits the chars into an array prior to do any permutation, so you simply remove the join and split operation var permArr = [], usedChars = []; function permute(input) { var i, ch; for (i = 0; i < inp...
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jQuery - replace all instances of a character in a string [duplicate]

...round the string, as replace is not a jQuery method, so that won't work at all.) share | improve this answer | follow | ...
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]

... Actually you can do this by using the a non hidden function: import operator, operator.add(list1, list2) – e-satis Apr 13 '11 at 12:28 ...
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Will using 'var' affect performance?

...ay have chosen an Interface or parent type if you were to set the type manually. Update 8 Years Later I need to update this as my understanding has changed. I now believe it may be possible for var to affect performance in the situation where a method returns an interface, but you would have used a...
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Use of *args and **kwargs [duplicate]

...u're not sure how many arguments might be passed to your function, i.e. it allows you pass an arbitrary number of arguments to your function. For example: >>> def print_everything(*args): for count, thing in enumerate(args): ... print( '{0}. {1}'.format(count, thing)) ... ...
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Shared-memory objects in multiprocessing

... some other parameters). func with different parameters can be run in parallel. For example: 4 Answers ...
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How to get the request parameters in Symfony 2?

... The naming is not all that intuitive: use Symfony\Component\HttpFoundation\Request; public function updateAction(Request $request) { // $_GET parameters $request->query->get('name'); // $_POST parameters $request->r...
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How to avoid .pyc files?

... I just tried this and, it does work for imported modules. Specifically, once this variable is set anything imported later won't generate pyc files. This is delightful. Thanks. – user234736 Nov 22 '12 at 19:59 ...
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Why is it not advisable to have the database and web server on the same machine?

...dicated network connection between the two, more maintenance, etc.), especially for a small application, where neither piece is using too much CPU or memory? Even with two servers, with one server compromised, an attacker could still do serious damage, either by deleting the database, or messing wi...