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Getting a list of associative array keys

...ect.keys(obj) Example: var dictionary = { "cats": [1, 2, 37, 38, 40, 32, 33, 35, 39, 36], "dogs": [4, 5, 6, 3, 2] }; // Get the keys var keys = Object.keys(dictionary); console.log(keys); See reference below for browser support. It is supported in Firefox 4.20, Chrome 5, and Internet...
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Open file in a relative location in Python

...n a subdirectory beneath where the script is actually located, you can use __file__ to help you out here. __file__ is the full path to where the script you are running is located. So you can fiddle with something like this: import os script_dir = os.path.dirname(__file__) #<-- absolute dir the...
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How to randomize (shuffle) a JavaScript array?

... n time – Pacerier Oct 31 '14 at 12:32 7 ...
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CSS Background Opacity [duplicate]

I am using something similar to the following code: 8 Answers 8 ...
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Customizing the template within a Directive

... JenonD 4,38755 gold badges2424 silver badges3232 bronze badges answered Dec 18 '13 at 13:44 Janusz GryszkoJanusz Gryszko 3...
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string c_str() vs. data()

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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Python __str__ and lists

... Calling string on a python list calls the __repr__ method on each element inside. For some items, __str__ and __repr__ are the same. If you want that behavior, do: def __str__(self): ... def __repr__(self): return self.__str__() ...
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When do I use fabs and when is it sufficient to use std::abs?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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What is the purpose of willSet and didSet in Swift?

...ws conditional setting of an actual stored property //True model data var _test : Int = 0 var test : Int { get { return _test } set (aNewValue) { //I've contrived some condition on which this property can be set if (aNewValue != test) { _test = aNewV...
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How do I close an open port from the terminal on the Mac?

I opened port #5955 from a java class to comunicate from a client. How do i close this port after I am done? and also which command can show me if port open or closed? ...