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Unzip a file with php

...e it out by yourself. On the other hand, the fact that this code could actually be published online somewhere as the correct way to unzip a file is a bit frightening. PHP has built-in extensions for dealing with compressed files. There should be no need to use system calls for this. ZipArchivedocs ...
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UILabel sizeToFit doesn't work with autolayout ios6

How am I supposed to configure programmatically (and in which method) a UILabel whose height depends on its text? I've been trying to set it up using a combination of Storyboard and code, but to no avail. Everyone recommends sizeToFit while setting lineBreakMode and numberOfLines . However, ...
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How do you produce a .d.ts “typings” definition file from an existing JavaScript library?

...initelyTyped/DefinitelyTyped) first. This is a community repo full of literally thousands of .d.ts files and it's very likely the thing you're using is already there. You should also check TypeSearch (https://microsoft.github.io/TypeSearch/) which is a search engine for NPM-published .d.ts files; th...
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How to convert a String to its equivalent LINQ Expression Tree?

...nking as a Where clause. If necessary, put it inside a list/array just to call .Where(string) on it! i.e. var people = new List<Person> { person }; int match = people.Where(filter).Any(); If not, writing a parser (using Expression under the hood) isn't hugely taxing - I wrote one similar (a...
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Retrieve only the queried element in an object array in MongoDB collection

...r to filter an array during projection, which has the benefit of including all matches, instead of just the first one. db.test.aggregate([ // Get just the docs that contain a shapes element where color is 'red' {$match: {'shapes.color': 'red'}}, {$project: { shapes: {$filter: { ...
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What's the canonical way to check for type in Python?

...ation. One more note: in this case, if you're using Python 2, you may actually want to use: if isinstance(o, basestring): because this will also catch Unicode strings (unicode is not a subclass of str; both str and unicode are subclasses of basestring). Note that basestring no longer exists in P...
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How to dismiss a Twitter Bootstrap popover by clicking outside?

...-title]' in place of '[data-toggle="popover"]' Caveat: The solution above allows multiple popovers to be open at once. One popover at a time please: Update: Bootstrap 3.0.x, see code or fiddle http://jsfiddle.net/mattdlockyer/C5GBU/2/ $('body').on('click', function (e) { $('[data-toggle="pop...
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When should TaskCompletionSource be used?

AFAIK, all it knows is that at some point, its SetResult or SetException method is being called to complete the Task<T> exposed through its Task property. ...
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Get a random item from a JavaScript array [duplicate]

... not a valid substitution for Math.floor. Using round would cause accidentally referencing an undefined index, say in the case Math.random() is 0.95 and items.length is 5. Math.round(0.95*5) is 5, which would be an invalid index. floor(random) will always be zero in your example. ...
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Equivalent C++ to Python generator pattern

...to signal termination In your trivial example, it's easy enough. Conceptually: struct State { unsigned i, j; }; State make(); void next(State&); bool isDone(State const&); Of course, we wrap this as a proper class: class PairSequence: // (implicit aliases) public std::iterat...