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Count immediate child div elements using jQuery

...$('#foo').children().size() for better performance. I've created a jsperf test to see the speed difference and the children() method beaten the child selector (#foo > div) approach by at least 60% in Chrome (canary build v15) 20-30% in Firefox (v4). By the way, needless to say, these two approa...
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Microsoft Web API: How do you do a Server.MapPath?

... Sure, but in your controller or other logic layer that you want to test, you would take only a dependency on your own abstraction, like IPathMapper (you'll probably roll this up with a bunch of other concerns into a bigger toolbelt / utility interface) with the method string MapPath(string v...
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Get the name of an object's type

...etName(), that will return the name of the constructor as a string. I have tested this in FF3 and IE7, I can't speak for other implementations. If you don't want to do that, here is a discussion on the various ways of determining types in JavaScript... I recently updated this to be a bit more exhau...
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How do I get the opposite (negation) of a Boolean in Python?

...on 2) you can customize the truth value and thus the result of not: class Test(object): def __init__(self, value): self._value = value def __bool__(self): print('__bool__ called on {!r}'.format(self)) return bool(self._value) __nonzero__ = __bool__ # Python 2 ...
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How can I call controller/view helper methods from the console in Ruby on Rails?

....response # you now have a rails response object much like the integration tests > response.body # get you the HTML > response.cookies # hash of the cookies # etc, etc share | ...
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Can Selenium Webdriver open browser windows silently in background?

I have a selenium test suite that runs many tests and on each new test it opens a browser window on top of any other windows I have open. Very jarring while working in a local environment. Any way to tell selenium or the OS (MAC) to open the windows in the background? ...
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Difference between MEAN.js and MEAN.io

...me... They both use swig for templating, they both use karma and mocha for tests, passport integration, nodemon, etc. Why so similar? Mean.js is a fork of Mean.io and both initiatives were started by the same guy... Mean.io is now under the umbrella of the company Linnovate and looks like the guy ...
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Python speed testing - Time Difference - milliseconds

What is the proper way to compare 2 times in Python in order to speed test a section of code? I tried reading the API docs. I'm not sure I understand the timedelta thing. ...
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Best way to alphanumeric check in JavaScript

... /^[a-z0-9]+$/i.test( TCode ) – Alex V Oct 14 '13 at 18:12 3 ...
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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d

...ly maintains an order. Since a dict has an unpredictable order, what if my test vectors luckily has the same initial order as the unpredictable order of a dict?. For example, if instead of d = OrderedDict({'b':2, 'a':1}) I write d = OrderedDict({'a':1, 'b':2}), I can wrongly conclude that the order ...