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JavaScript listener, “keypress” doesn't detect backspace?

...follow | edited Jul 30 '15 at 7:07 jezrael 549k4747 gold badges722722 silver badges737737 bronze badges ...
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/bin/sh: pushd: not found

...shd command might do the chdir(2) call and then start a new shell, but ... it wouldn't be very usable.) pushd is a shell builtin, just like cd. So, either change your script to start with #!/bin/bash or store the current working directory in a variable, do your work, then change back. Depends if yo...
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Where can I get a list of Ansible pre-defined variables?

... "ansible_architecture": "i386", "ansible_bios_date": "12/01/2006", ...
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Python: fastest way to create a list of n lists

...y which is marginally faster than d = [[] for x in xrange(n)] is from itertools import repeat d = [[] for i in repeat(None, n)] It does not have to create a new int object in every iteration and is about 15 % faster on my machine. Edit: Using NumPy, you can avoid the Python loop using d = n...
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Can someone explain Microsoft Unity?

I've been reading the articles on MSDN about Unity (Dependency Injection, Inversion of Control), but I think I need it explained in simple terms (or simple examples). I'm familiar with the MVPC pattern (we use it here), but I just can't really grasp this Unity thing yet, and I think it's the next st...
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PHP Function Comments

...wered Aug 21 '09 at 4:10 Josh LeitzelJosh Leitzel 13.6k1010 gold badges5555 silver badges7676 bronze badges ...
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JavaScript OOP in NodeJS: how?

...e that works out of the box. If you want less "hacky", you should use inheritance library or such. Well in a file animal.js you would write: var method = Animal.prototype; function Animal(age) { this._age = age; } method.getAge = function() { return this._age; }; module.exports = Animal...
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Curly braces in string in PHP

What is the meaning of { } (curly braces) in string literals in PHP? 5 Answers 5 ...
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How to create a density plot in matplotlib?

...own how to use the class gaussian_kde from Scipy, but you will notice that it doesn't look quite like what you generated with R. This is because gaussian_kde tries to infer the bandwidth automatically. You can play with the bandwidth in a way by changing the function covariance_factor of the gaussia...
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How to install Xcode Command Line Tools

How do I get the command-line build tools installed with the current Xcode/Mac OS X v10.8 (Mountain Lion) or later? 13 Answ...