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Multiprocessing: How to use Pool.map on a function defined in a class?

... [p.join() for p in proc] return [p.recv() for (p, c) in pipe] if __name__ == '__main__': print parmap(lambda x: x**x, range(1, 5)) share | improve this answer | ...
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“for loop” with two variables? [duplicate]

... the request for "a function that will read lists "t1" and "t2" and return all elements that are identical", I don't think the OP wants zip or product. I think they want a set: def equal_elements(t1, t2): return list(set(t1).intersection(set(t2))) # You could also do # return list(set(...
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CMake unable to determine linker language with C++

...d (according to the documentation), but it wasn't helpful to me: Optionally you can specify which languages your project supports. Example languages are CXX (i.e. C++), C, Fortran, etc. By default C and CXX are enabled. E.g. if you do not have a C++ compiler, you can disable the check for ...
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Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i

...from the workspace in the left pane of Xcode and close Xcode. Run "pod install" from the command line to recreate the "Pods" project. Re-open Xcode and make sure "Build Active Architecture Only" is set to "No" in the build settings of both the "Pods" project and your own project. Clean and build. ...
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php stdClass to array

...g functions). "But I already did this" you say. Not exactly - you used json_decode on the array, but you need to encode it with json_encode first. Requirements The json_encode and json_decode methods. These are automatically bundled in PHP 5.2.0 and up. If you use any older version there's also a ...
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GCC compile error with >2 GB of code

...inv2 - 32*s.x12pow2*s.x15*s.x35*s.x45*s.mWpowinv2 -... right? If all your functions have a similar "format" (multiply n numbers m times and add the results - or something similar) then I think you can do this: change the generator program to output offsets instead of strings (i.e. instea...
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How can I select and upload multiple files with HTML and PHP, using HTTP POST?

...nctype="multipart/form-data"> <input type="file" name="my_file[]" multiple> <input type="submit" value="Upload"> </form> <?php if (isset($_FILES['my_file'])) { $myFile = $_FILES['my_file']; $f...
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Python integer incrementing with ++ [duplicate]

...I've looked back at my VB6 days and thought, "What modern language doesn't allow incrementing with double plus signs?": 7 A...
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AngularJS-Twig conflict with double curly braces

...erpolation by Twig so you have to be more careful with the contents, especially if you are using expressions. If you still hate seeing all those curly braces, you can also create a simple macro to automate the process: {% macro curly(contents) %} {{ '{{' ~ contents ~ '}}' }} {% endmacro %} ...
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How to determine if one array contains all elements of another array

... Perhaps this is easier to read: a2.all? { |e| a1.include?(e) } You can also use array intersection: (a1 & a2).size == a1.size Note that size is used here just for speed, you can also do (slower): (a1 & a2) == a1 But I guess the first is more re...