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Python Sets vs Lists

...st(iterable): ... for i in iterable: ... pass ... >>> from timeit import timeit >>> timeit( ... "iter_test(iterable)", ... setup="from __main__ import iter_test; iterable = set(range(10000))", ... number=100000) 12.666952133178711 >>> timeit( ... ...
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Android image caching

How can I cache images after they are downloaded from web? 18 Answers 18 ...
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How to cache data in a MVC application

...again, because it's re-reading in the cache and it might have been dropped from the cache already. I'd rather do: public string[] GetNames() { string[] noms = Cache["names"]; if(noms == null) { noms = DB.GetNames(); Cache["names"] = noms; } return (noms); } –...
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How to call a parent class function from derived class function?

How do I call the parent function from a derived class using C++? For example, I have a class called parent , and a class called child which is derived from parent. Within each class there is a print function. In the definition of the child's print function I would like to make a call to the ...
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How to make node.js require absolute? (instead of relative)

...require('./path/to/module'); It requires the file as if it were required from the main js file, so it works pretty well as long as your main js file is at the root of your project... and that's something I appreciate. shar...
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Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?

...f you have another Mac running Lion and Xcode 4.3.1 you can copy the files from: /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/5.1 (9B176) Place the copied files in the equivalent place on your Snow Leopard Mac: probably /Developer/Platforms/iPhoneOS.p...
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Use cases for NoSQL [closed]

...scale will be much simpler. As a Joomla founder I'm biased :-) but coming from the CMS space, something like MongoDB is a silver bullet as content maps very naturally to document systems. Another great case for MongoDB is real-time analytics, as MongoDB has very strong performance and scale partic...
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Reading binary file and looping over each byte

...ersions of Python below 2.5. To use it in v 2.5 you'll need to import it: from __future__ import with_statement In 2.6 this is not needed. Python 3 In Python 3, it's a bit different. We will no longer get raw characters from the stream in byte mode but byte objects, thus we need to alter the co...
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What's to stop malicious code from spoofing the “Origin” header to exploit CORS?

The way I understand it, if a client-side script running on a page from foo.com wants to request data from bar.com, in the request it must specify the header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com . ...
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Installing Python packages from local file system folder to virtualenv with pip

Is it possible to install packages using pip from the local filesystem? 10 Answers 10 ...