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Python memory usage of numpy arrays

...ngling' numpy.ndarray's, in particular the ones that are stored in _1, _2, etc that were never really meant to stay alive. I use this code to get a listing of all of them and their size. Not sure if locals() or globals() is better here. import sys import numpy from humanize import naturalsize ...
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Difference between Label and TextBlock

...nything including strings, numbers, dates, other controls, images, shapes, etc. TextBlock can handle only strings. share | improve this answer | follow | ...
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Can I access constants in settings.py from templates in Django?

...ings like settings.MEDIA_URL available to the template as {{ MEDIA_URL }}, etc. If you're looking for access to other constants in the settings, then simply unpack the constants you want and add them to the context dictionary you're using in your view function, like so: from django.conf import set...
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How exactly does work?

...finished parsing. If neither attribute is present, then the script is fetched and executed immediately, before the user agent continues parsing the page. The exact processing details for these attributes are, for mostly historical reasons, somewhat non-trivial, involving a numbe...
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What is the difference between D3 and jQuery?

... have all the extra overhead like jquery, backbone + its plugins, angular, etc. You only need to know d3. Now d3 doesn't have a routing system baked into it. But you can always find one. Jquery on the other hand, it's sole purpose is to write less code. It's just a short hand version of javascript ...
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How do C++ class members get initialized if I don't do it explicitly?

...you do not explicitly initialize it. For primitive types (pointers, ints, etc), they are not initialized -- they contain whatever arbitrary junk happened to be at that memory location previously. For references (e.g. std::string&), it is illegal not to initialize them, and your compiler will c...
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Practical non-image based CAPTCHA approaches?

... VERSION THAT WORKS WITHOUT JAVASCRIPT How about if you did this with ASP, etc. and had a timestamp for when the form page was loaded and then compared that to the time when the form was submitted. If ElapsedTime<10 sec then it's likely spam. – Clay Nichols ...
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How to use npm with node.exe?

...|npm-cache) (do this as an administrator): create an [NODE_INSTALL_PATH]\etc\ directory this is needed before you try npm config --global ... actions create the global (admin) location(s) for npm modules C:\ProgramData\npm-cache - npm modules will go here C:\ProgramData\npm - binary scripts f...
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calculating the difference in months between two dates

In C#/.NET TimeSpan has TotalDays , TotalMinutes , etc. but I can't figure out a formula for total months difference. Variable days per month and leap years keep throwing me off. How can I get TotalMonths ? ...
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How to copy a dictionary and only edit the copy

... Also note that the dict.copy() is shallow, if there is a nested list/etc in there changes will be applied to both. IIRC. Deepcopy will avoid that. – Will Mar 18 '10 at 7:08 1...