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No ConcurrentList in .Net 4.0?

...read-safe, limited subset of IList<T>: in particular, one that would allow an Add and provide random read-only access by index (but no Insert, RemoveAt, etc., and also no random write access). This was the goal of my ConcurrentList<T> implementation. But when I tested its performance in...
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What is a Python equivalent of PHP's var_dump()? [duplicate]

...lay a value nicely, you can use the pprint module. The easiest way to dump all variables with it is to do from pprint import pprint pprint(globals()) pprint(locals()) If you are running in CGI, a useful debugging feature is the cgitb module, which displays the value of local variables as part of...
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How to assert output with nosetest/unittest in python?

...rarily replacing sys.stdout. I prefer the context manager because it wraps all the bookkeeping into a single function, so I don't have to re-write any try-finally code, and I don't have to write setup and teardown functions just for this. import sys from contextlib import contextmanager from String...
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How to “EXPIRE” the “HSET” child key in redis?

I need to expire all keys in redis hash, which are older than 1 month. 11 Answers 11 ...
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mongodb/mongoose findMany - find all documents with IDs listed in array

I have an array of _ids and I want to get all docs accordingly, what's the best way to do it ? 5 Answers ...
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Count character occurrences in a string in C++

... Small note, but the return type is typically signed. For some reason std::count returns type iterator_traits<InputIt>::difference_type, which for most standard containers is std::ptrdiff_t, not std::size_t. ...
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What is a None value?

...n't write the sticker "F", there was already an F sticker on the None, and all you did was move it, from None to "fork". So when you type F = None, you're "reset[ting] it to its original, empty state", if we decided to treat None as meaning empty state. I can see what he's getting at, but that's a...
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How does __proto__ differ from constructor.prototype?

... I've been trying to wrap my head around this recently and finally came up with this "map" that I think sheds full light over the matter http://i.stack.imgur.com/KFzI3.png I know I'm not the first one making this up but it was more interesting figuring it out that finding it :-). An...
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Regular Expression for alphanumeric and underscores

...o or more of the given characters $ : end of string If you don't want to allow empty strings, use + instead of *. As others have pointed out, some regex languages have a shorthand form for [a-zA-Z0-9_]. In the .NET regex language, you can turn on ECMAScript behavior and use \w as a shorthand (y...
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jQuery: How can i create a simple overlay?

How can I create a really basic overlay in jQuery without UI? 7 Answers 7 ...