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python Programming Glossary: turnsPython - Range values to pseudocolor http://stackoverflow.com/questions/10901085/python-range-values-to-pseudocolor like pseudocolorForValue val minval maxval which returns an RGB triple corresponding to the pseudo color value for 'val'.. into an RGB color for display purposes. Update Good news turns out that Python has colorspace conversion routines in its built..
http://stackoverflow.com/questions/1119722/base-62-conversion-in-python strings. The Python base64 module only accepts strings and turns a single digit into four characters. I was looking for something..
Creating dynamically named variables from user input http://stackoverflow.com/questions/11354214/creating-dynamically-named-variables-from-user-input share improve this question From the comments it turns out you are asking about something that gets asked more than..
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory” http://stackoverflow.com/questions/1367373/python-subprocess-popen-oserror-errno-12-cannot-allocate-memory NOTE that the coding effort may be all for naught if it turns out that it's not you but some other guy collocated in a different..
What determines whether different Python processes are assigned to the same or different cores? http://stackoverflow.com/questions/15639779/what-determines-whether-different-python-processes-are-assigned-to-the-same-or-d After some more googling I found the answer here . It turns out that certain Python modules numpy scipy tables pandas skimage..
Shortest Sudoku Solver in Python - How does it work? http://stackoverflow.com/questions/201461/shortest-sudoku-solver-in-python-how-does-it-work The loop is interesting for m in' d' 5 18 Why 5 18 It turns out that ' d' 5 18 evaluates to '3814697265625' . This is a..
What is the purpose of the colon before a block in Python? http://stackoverflow.com/questions/215581/what-is-the-purpose-of-the-colon-before-a-block-in-python which also counted in the decision. edit This question turns out to be a Python FAQ and I found one of its answers by Guido..
Should I worry about circular references in Python? http://stackoverflow.com/questions/2428301/should-i-worry-about-circular-references-in-python this question Worry is misplaced but if your program turns out to be slow consume more memory than expected or have strange..
Cannot find vcvarsall.bat when running a Python script http://stackoverflow.com/questions/2667069/cannot-find-vcvarsall-bat-when-running-a-python-script find vcvarsall.bat even though it was on the path. It turns out that Visual Studio 2010 creates the following environment..
http://stackoverflow.com/questions/2703599/what-would-be-a-frozen-dict Python doesn't have a builtin frozendict type. It turns out this wouldn't be useful too often though it would still..
Simple wrapping of C code with cython http://stackoverflow.com/questions/3046305/simple-wrapping-of-c-code-with-cython with NumPy . 2 steps python f setup.py build_ext inplace turns f.pyx and fc.cpp f.so a dynamic library python test f.py import..
How to get something random in datastore (AppEngine)? http://stackoverflow.com/questions/3450926/how-to-get-something-random-in-datastore-appengine 1 count image Image.get_by_id random_numb But it turns out that the ids in the datastore on AppEngine don't start from..
python time to age part 2, timezones http://stackoverflow.com/questions/526406/python-time-to-age-part-2-timezones I have now come across a problem regarding the timezone turns out that its not always going to be 0200 . So when strptime..
How to get indices of N maximum values in a numpy array? http://stackoverflow.com/questions/6910641/how-to-get-indices-of-n-maximum-values-in-a-numpy-array so far I haven't been able to find one. If this solution turns out to be too slow especially for small n it may be worth looking..
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell http://stackoverflow.com/questions/6964392/speed-comparison-with-project-euler-c-vs-python-vs-erlang-vs-haskell 2 Why is Haskell so slow Is there a compiler flag that turns off the brakes or is it my implementation The latter is quite.. 2 Why is haskell so slow Is there a compiler flag that turns off the brakes or is it my implementation The latter is quite..
what exactly the python's file.flush() is doing? http://stackoverflow.com/questions/7127075/what-exactly-the-pythons-file-flush-is-doing to your machine that data is not on disk when the machine turns off. So in order to help with that you have the flush and fsync..
Reading a UTF8 CSV file with Python http://stackoverflow.com/questions/904041/reading-a-utf8-csv-file-with-python field3 in reader print field1 field2 field3 PS if it turns out that your input data is NOT in utf 8 but e.g. in ISO 8859..
How to retrieve the selected text from the active window http://stackoverflow.com/questions/1007185/how-to-retrieve-the-selected-text-from-the-active-window Thanks in advance for your answers and tips. Update #1 Turns out that there are two approaches to accomplish the task Find..
Inconsistent SignatureDoesNotMatch Amazon S3 with django-pipeline, s3boto and storages http://stackoverflow.com/questions/11820566/inconsistent-signaturedoesnotmatch-amazon-s3-with-django-pipeline-s3boto-and-st Took a few hours to find but I figured it out eventually. Turns out that if the right signature is ssCNsAOxLf5vA80ldAI3M0CU2..
failed to set __main__.__loader__ in Python http://stackoverflow.com/questions/12696151/failed-to-set-main-loader-in-python share improve this question I had the same problem. Turns out it was because the file was stored in a directory with a..
Threaded Django task doesn't automatically handle transactions or db connections? http://stackoverflow.com/questions/1303654/threaded-django-task-doesnt-automatically-handle-transactions-or-db-connections assumed Django's transaction management was the source. Turns out it's not and that's OK. Connections The connection management..
How to create a temporary file that can be read by a subprocess? http://stackoverflow.com/questions/15169101/how-to-create-a-temporary-file-that-can-be-read-by-a-subprocess on Linux and windows file locking can be found here . EDIT Turns out it is possible to open read the temporary file from multiple..
Unable to read huge (20GB) file from CPython http://stackoverflow.com/questions/19844523/unable-to-read-huge-20gb-file-from-cpython function How the heck should I read a big text file UPDATE Turns out human being thinks clearer whan having enough sleep . The..
Simple Python Challenge: Fastest Bitwise XOR on Data Buffers http://stackoverflow.com/questions/2119761/simple-python-challenge-fastest-bitwise-xor-on-data-buffers the code to find out if the copying could be avoided. Turns out I read the documentation of the string object wrong so here..
Why does Python print unicode characters when the default encoding is ASCII? http://stackoverflow.com/questions/2596714/why-does-python-print-unicode-characters-when-the-default-encoding-is-ascii unicode code point u' xe9' 233 with the latin 1 scheme. Turns out latin 1 code points range is 0 255 and points to the exact..
AppEngine BlobStore upload failing with a request that works in the Development Environment http://stackoverflow.com/questions/2893268/appengine-blobstore-upload-failing-with-a-request-that-works-in-the-development python google app engine share improve this question Turns out the problem was this line Content Disposition form data..
Checking for membership inside nested dict http://stackoverflow.com/questions/2901872/checking-for-membership-inside-nested-dict one Python DictReader Skipping rows with missing columns Turns out I was being silly and using the wrong ID field. I'm using..
How to quote a string value explicitly (Python DB API/Psycopg2) http://stackoverflow.com/questions/309945/how-to-quote-a-string-value-explicitly-python-db-api-psycopg2 was curious and went and looked at the source of psycopg2. Turns out I didn't have to go further than the examples folder And..
http://stackoverflow.com/questions/3684484/peak-detection-in-a-2d-array was finally able to check the toe detection for every paw Turns out it doesn't work so well in anything but paws sized like..
Python subprocesses experience mysterious delay in receiving stdin EOF http://stackoverflow.com/questions/4940607/python-subprocesses-experience-mysterious-delay-in-receiving-stdin-eof the writer FD as long as p2 exists p1 won't see EOF Turns out there's a close_fds parameter to Popen so the solution is..
What happens behind the scenes when python adds small ints? http://stackoverflow.com/questions/6101379/what-happens-behind-the-scenes-when-python-adds-small-ints same is true for the results of mathematical operations. Turns out it is nines x y 9 for x y in enumerate reversed range 10..
Vim failing to compile with python on OS X http://stackoverflow.com/questions/6490513/vim-failing-to-compile-with-python-on-os-x python osx vim compilation share improve this question Turns out the bug is actually in the Python Makefile believe it or..
multiprocessing.Pool seems to work in Windows but not in ubuntu? http://stackoverflow.com/questions/6914240/multiprocessing-pool-seems-to-work-in-windows-but-not-in-ubuntu multiprocessing share improve this question Update Turns out this had nothing to do with matplotlib or the backends but..
How do you safely and efficiently get the row id after an insert with mysql using MySQLdb in python? http://stackoverflow.com/questions/706755/how-do-you-safely-and-efficiently-get-the-row-id-after-an-insert-with-mysql-usin it might be newID db.insert_id Edit by Original Poster Turns out in the version of MySQLdb that I am using 1.2.2 You would..
Python split() without removing the delimiter [duplicate] http://stackoverflow.com/questions/7866128/python-split-without-removing-the-delimiter ' ' Except it removes all the ' ' delimiters. So html head Turns into ' html' ' head' Is there a way to use the split method..
'admin' is not a registered namespace in Django 1.4 http://stackoverflow.com/questions/9874192/admin-is-not-a-registered-namespace-in-django-1-4 was the AttributeError for settings.AUTH_PROFILE_MODULE . Turns out this is a bug in Django 1.4 which was filed on release day..
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