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python Programming Glossary: sadlyPython prime generator in one-line http://stackoverflow.com/questions/10639861/python-prime-generator-in-one-line N lambda N reduce ... primesUpTo 30 2 3 5 7 11 13 17 19 Sadly I think that while this would be efficient in a functional programming..
Python metaclasses: Why isn't __setattr__ called for attributes set during class definition? http://stackoverflow.com/questions/10762088/python-metaclasses-why-isnt-setattr-called-for-attributes-set-during-class no overwriting forced by the class object's dictionary. Sadly this technique is unavailable in Python 2.x I checked . The..
http://stackoverflow.com/questions/13613336/python-concatenate-text-files itertools.imap open filnames outfile.write line Sadly this last method leaves a few open file descriptors which the..
Trouble trying to dynamically add methods to Python class (i.e. django-tables2 'Table') http://stackoverflow.com/questions/14134488/trouble-trying-to-dynamically-add-methods-to-python-class-i-e-django-tables2 in columns setattr klass col tables.Column return klass Sadly this does not work. If I run ` x define_table foo bar data x.foo..
PyEval_InitThreads in Python 3: How/when to call it? (the saga continues ad nauseum) http://stackoverflow.com/questions/15470367/pyeval-initthreads-in-python-3-how-when-to-call-it-the-saga-continues-ad-naus there seems to be no definitive answer to this question. Sadly I don't have Guido Van Rossum on speed dial. Firstly let's define..
Programming in Python using a Non-English language for keywords and variables http://stackoverflow.com/questions/15812446/programming-in-python-using-a-non-english-language-for-keywords-and-variables # for file in filenames å¯ ä¿®æ£è¡Œå°¾ ‡ä»¶ # print fixline file Sadly it is no longer an active project but you can get the source..
http://stackoverflow.com/questions/2089036/sorting-csv-in-python wrote the above I thought convert was a built in function. Sadly no. Here's my implementation though John Machin's is nicer def..
Best way to make Django's login_required the default http://stackoverflow.com/questions/2164069/best-way-to-make-djangos-login-required-the-default it works great as long as we remember to add it everywhere Sadly sometimes we forget and the failure often isn't terribly evident...
What do (lambda) function closures capture in Python? http://stackoverflow.com/questions/2295290/what-do-lambda-function-closures-capture-in-python it shouldn't effect the previously created closures. Sadly inspecting the adders array within a debugger shows that it..
Learning Python coming from PHP http://stackoverflow.com/questions/2561362/learning-python-coming-from-php that haven't been ported to Python 3 yet etc. . Sadly Mark has removed most of his online content. Here is one archive..
Obtain Latitude and Longitude from a GeoTIFF File http://stackoverflow.com/questions/2922532/obtain-latitude-and-longitude-from-a-geotiff-file to the geographic coordinate system that you want. Sadly not all latitude longitude pairs are created equal being based..
How to correct bugs in this Damerau-Levenshtein implementation? http://stackoverflow.com/questions/3431933/how-to-correct-bugs-in-this-damerau-levenshtein-implementation method does over 200 000 comparisons per second. Sadly the results are incorrect when you look at the variable thisrow..
How do I create a Django form that displays a checkbox label to the right of the checkbox? http://stackoverflow.com/questions/572263/how-do-i-create-a-django-form-that-displays-a-checkbox-label-to-the-right-of-the the Boolean field and use that method in _html_output . Sadly the Django developers chose to go a different way and I would..
Pipe raw OpenCV images to FFmpeg http://stackoverflow.com/questions/5825173/pipe-raw-opencv-images-to-ffmpeg ffmpeg f image2pipe pix_fmt bgr8 i s 640x480 foo.avi Sadly I can't get the ffmpeg magic incantation quite right and it..
subprocess.wait() not waiting for Popen process to finish (when using threads)? http://stackoverflow.com/questions/6341358/subprocess-wait-not-waiting-for-popen-process-to-finish-when-using-threads subprocess popen share improve this question Sadly when running your subprocess using shell True wait will only..
Why is my MergeSort so slow in Python? http://stackoverflow.com/questions/7063697/why-is-my-mergesort-so-slow-in-python lambda l trampoline tco_cpsmergeSort l lambda x x Sadly this does not go that fast recursive mergesort 0.126505711079..
Download big files via FTP with python http://stackoverflow.com/questions/8323607/download-big-files-via-ftp-with-python Connected to FTP Done with file attempt to download m5dsum Sadly i have to reconnect to FTP even if the file has been fully downloaded..
How do you get PyPy, Django and PostgreSQL to work together? http://stackoverflow.com/questions/9350422/how-do-you-get-pypy-django-and-postgresql-to-work-together pypy translate.py Ojit Otherwise python translate.py Ojit Sadly this is where my knowledge ends. I get the error BytecodeCorruption..
Check whether a path is valid in Python without creating a file at the path's target http://stackoverflow.com/questions/9532499/check-whether-a-path-is-valid-in-python-without-creating-a-file-at-the-paths-ta as much human readablitiy as the filesystem allows. Sadly I do not know of any good solution for this. share improve..
Why is the same SQLite query being 30 times slower when fetching only twice as many results? http://stackoverflow.com/questions/10531898/why-is-the-same-sqlite-query-being-30-times-slower-when-fetching-only-twice-as-m rows fetchall took 4310.6012361 seconds The third one sadly didn't finish because of a reboot. So this is a bit faster than..
Why print statement is not pythonic? [closed] http://stackoverflow.com/questions/1053849/why-print-statement-is-not-pythonic onwards don't use dynamic scoping a misfeature that was sadly highly visible usually manifesting as hard to understand bugs..
Accessing class variables from a list comprehension in the class definition http://stackoverflow.com/questions/13905741/accessing-class-variables-from-a-list-comprehension-in-the-class-definition apply would have been a decent workaround but it is sadly removed from Python 3. Edit 3 Removed an incorrect Edit 2 and..
Is it possible to create encodeb64 from Image object? http://stackoverflow.com/questions/16065694/is-it-possible-to-create-encodeb64-from-image-object size thumb base64.b64encode im This doesn't work sadly get a TypeErorr TypeError must be string or buffer not instance..
ubuntu ImportError: cannot import name MAXREPEAT http://stackoverflow.com/questions/16297892/ubuntu-importerror-cannot-import-name-maxrepeat tried removing python with sudo apt get remove python and sadly it has removed everything . now google chrome does not show..
How are you planning on handling the migration to Python 3? http://stackoverflow.com/questions/172306/how-are-you-planning-on-handling-the-migration-to-python-3 PyCrypto PyOpenSSL pywin32 PyGTK though this dependency is sadly very light right now by the time migration rolls around I hope..
http://stackoverflow.com/questions/2313573/google-apps-login-in-django backend for in the future. It is simple and extendable but sadly it hasn't became the standard yet. So if you use standard library..
Python's ConfigParser unique keys per section http://stackoverflow.com/questions/287757/pythons-configparser-unique-keys-per-section designed my config file schema around this assumption then sadly realized that this is not the case from ConfigParser import..
How do I split a huge text file in python http://stackoverflow.com/questions/291740/how-do-i-split-a-huge-text-file-in-python huge text file in python I have a huge text file ~1GB and sadly the text editor I use won't read such a large file. However..
Python tips for memory optimization http://stackoverflow.com/questions/3021264/python-tips-for-memory-optimization by hashing the strings before using them as keys But then sadly I ran into birthday collisions on my 32 bit system. side question..
Interactive debugging with nosetests in PyDev http://stackoverflow.com/questions/4087582/interactive-debugging-with-nosetests-in-pydev several action step into to see vars ... N.B for doctests sadly i don't think you can put breakpoint in the line of doctest..
Increment a python floating point value by the smallest possible amount http://stackoverflow.com/questions/6063755/increment-a-python-floating-point-value-by-the-smallest-possible-amount It is a current shortcoming of the Python math library sadly both in Python 2.X and Python3000. There should be a math.nextafter..
Python code performance decreases with threading http://stackoverflow.com/questions/6821477/python-code-performance-decreases-with-threading performance io share improve this question This is sadly how things are in CPython mainly due to the Global Interpreter..
Does Python optimize function calls from loops? http://stackoverflow.com/questions/7243444/does-python-optimize-function-calls-from-loops A runtime JITting interpreter like PyPy or the sadly defunct Unladen Swallow can in theory detect the normal case..
Has anyone used Sphinx to document a C++ project? [closed] http://stackoverflow.com/questions/835043/has-anyone-used-sphinx-to-document-a-c-project is worth watching just because of the potential gain. It sadly seems that maintainance through the creator will go down severely..
How do you get PyPy, Django and PostgreSQL to work together? http://stackoverflow.com/questions/9350422/how-do-you-get-pypy-django-and-postgresql-to-work-together and I don't think psycopg2 ctypes is ready for Windows yet sadly. python django postgresql psycopg2 pypy share improve this.. compat compat.register I tested this a few releases ago sadly in my experience psycopg2 ctypes negates the small performance..
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