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python Programming Glossary: solutionHow to generate all permutations of a list in Python http://stackoverflow.com/questions/104420/how-to-generate-all-permutations-of-a-list-in-python 2 3 1 3 2 2 1 3 2 3 1 3 1 2 3 2 1 EDIT Eliben pointed to a solution that's similar to mine altough simpler so I'm choosing it as.. 2.6 that hasn't been released yet will have a builtin solution in the itertools module import itertools itertools.permutations..
Having Django serve downloadable files http://stackoverflow.com/questions/1156246/having-django-serve-downloadable-files For the best of both worlds you could combine S.Lott's solution with the xsendfile module django generates the path to the file..
http://stackoverflow.com/questions/13058458/python-list-index together a 0 0 1 a 1 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 The solution is to avoid the second multiplication. A loop does the job some_list..
Differences between isinstance() and type() in python http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python checking equality of types. The normal Pythonic preferred solution is almost invariably duck typing try using the argument as if..
How do I watch a file for changes using Python? http://stackoverflow.com/questions/182197/how-do-i-watch-a-file-for-changes-using-python how... Edit I should have mentioned that I was after a solution that doesn't require polling. Edit Curses It seems this doesn't..
Flatten (an irregular) list of lists in Python http://stackoverflow.com/questions/2158395/flatten-an-irregular-list-of-lists-in-python before here here here here but as far as I know all solutions except for one fail on a list like this L 1 2 3 4 5 6 Where.. 1 2 3 4 5 6 Or perhaps even better an iterator. The only solution I saw that works for an arbitrary nesting is found in this question..
http://stackoverflow.com/questions/261638/how-do-i-protect-python-code to handle this problem Preferably with an off the shelf solution. The software will run on Linux systems so I don't think py2exe..
Best way to strip punctuation from a string in Python http://stackoverflow.com/questions/265960/best-way-to-strip-punctuation-from-a-string-in-python ch in s if ch not in exclude def test_re s # From Vinko's solution with fix. return regex.sub '' s def test_trans s return s.translate.. table string.punctuation def test_repl s # From S.Lott's solution for c in string.punctuation s s.replace c return s print sets..
Import a module from a relative path http://stackoverflow.com/questions/279237/import-a-module-from-a-relative-path do have the __init__.py file inside them here is a safe solution for inclusion of modules relatively to the location of the script... it fails too. Add a comment if you really need a better solution I may invest few more hours in improving it. share improve..
How do you split a list into evenly sized chunks in Python? http://stackoverflow.com/questions/312443/how-do-you-split-a-list-into-evenly-sized-chunks-in-python extremely expensive. I was wondering if anyone had a good solution to this for lists of any length e.g. using generators. This..
Flattening a shallow list in Python http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python Actually it's less overhead than the question's proposed solution because you throw away the temporary lists you create when you..
How to improve performance of this code? http://stackoverflow.com/questions/4295799/how-to-improve-performance-of-this-code the code import Queue fCamel 'F' bCamel 'B' gap 'G' def solution formation return len i for i in formation formation.index fCamel.. a self.g g self.parent p def astar formation heuristicf solutionf genneighbors openlist Queue.PriorityQueue openlist.put heuristicf.. except IndexError current None if current is None print No solution found return None if solutionf current.arrangement path cp..
How to install pip on windows? http://stackoverflow.com/questions/4750806/how-to-install-pip-on-windows a Microsoft NTLM proxy. Free software can't cope. The only solution is to install a free software friendly proxy that forwards to..
How can you profile a Python script? http://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script and other places asking how to time the execution of their solutions. Sometimes the given answers are somewhat kludgey i.e. adding.. adding timing code to __main__ so I thought I'd share my solution. python profiling project euler share improve this question..
Python: Sort a dictionary by value http://stackoverflow.com/questions/613183/python-sort-a-dictionary-by-value a list of dictionaries I wanted to know if there a simpler solution. python list dictionary sorting tuples share improve this..
How to create a DLL with SWIG from Visual Studio 2010 http://stackoverflow.com/questions/11693047/how-to-create-a-dll-with-swig-from-visual-studio-2010 and click Next. Click Finish. Right click the Project in Solution Explorer Add Existing Item... and select your .i file. Right..
BaseException.message deprecated in Python 2.6 http://stackoverflow.com/questions/1272138/baseexception-message-deprecated-in-python-2-6 exception deprecated share improve this question Solution almost no coding needed Just inherit your exception class from..
“Large data” work flows using pandas http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas to pull in that column explicity until final results time Solution Ensure you have sure you have pandas at least 0.10.1 installed...
How to download any(!) webpage with correct charset in python? http://stackoverflow.com/questions/1495627/how-to-download-any-webpage-with-correct-charset-in-python not the first who needs a proper solution to this problem. Solution I have not tried it yet... According to Beautiful Soup's documentation..
http://stackoverflow.com/questions/1818774/executing-a-subprocess-fails that some of the the parameters are strings and some not. Solution That works for me now MCU flashing function params r C Program..
Python 2.x - Write binary output to stdout? http://stackoverflow.com/questions/2374427/python-2-x-write-binary-output-to-stdout been able to find any solutions for Python 2.5 2.6. EDIT Solution From ChristopheD's link below import sys if sys.platform win32..
Python analog of natsort function (sort a list using a “natural order” algorithm) http://stackoverflow.com/questions/2545532/python-analog-of-natsort-function-sort-a-list-using-a-natural-order-algorithm 'iamge3.jpg' 'image12.jpg' 'image15.jpg' UPDATE Solution base on this link def try_int s Convert to integer if possible...
How to reliably generate Ethernet frame errors in software? http://stackoverflow.com/questions/6329583/how-to-reliably-generate-ethernet-frame-errors-in-software wireshark EDIT See also a similar question in python . Solution Well after spending over a day fighting with C this is the python..
Python multiprocessing: sharing a large read-only object between processes? http://stackoverflow.com/questions/659865/python-multiprocessing-sharing-a-large-read-only-object-between-processes the program No. Processes have independent memory space. Solution 1 To make best use of a large structure with lots of workers.. directly through shared buffers between the processes. Solution 2 In some cases you have a more complex structure often a fan.. the select module to see which pipes have pending input. Solution 3 Shared lookup is the definition of a database. Solution 3A..
How to set default encoding in Python (setdefaultencoding() function does not exist)? [duplicate] http://stackoverflow.com/questions/7105441/how-to-set-default-encoding-in-python-setdefaultencoding-function-does-not-ex to set the default encoding anyway I am using python 2.7 Solution find the site.py in the python installation. Edit the setencoding..
Changing image hue with Python PIL http://stackoverflow.com/questions/7274221/changing-image-hue-with-python-pil 'PNG' Please don't laugh at result Thanks in advance Solution here is the unutbu code updated so it fits exactly what I've..
Algorithm to Divide a list of numbers into 2 equal sum lists http://stackoverflow.com/questions/890171/algorithm-to-divide-a-list-of-numbers-into-2-equal-sum-lists knapsack problem share improve this question New Solution This is a breadth first search with heuristics culling. The..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python getline is typical and reasonable. Edit 4 was Final Edit Solution Adding cin.sync_with_stdio false Immediately above my original.. would be greatly appreciated by posterity. Edit 5 Better Solution As suggested by Gandalf The Gray below gets is even faster than..
Auto-generate form fields for a Form in django http://stackoverflow.com/questions/1409192/auto-generate-form-fields-for-a-form-in-django category_skills widget forms.CheckboxSelectMultiple SOLUTION This creates a form field entry using the SkillCategory.name..
Is there a way to convert pyplot.imshow() object to numpy array? http://stackoverflow.com/questions/14869321/is-there-a-way-to-convert-pyplot-imshow-object-to-numpy-array buffer_.close did not solve the runtime error FINAL EDIT SOLUTION python opencv numpy matplotlib share improve this question..
Python XML Remove Some Elements and Their Children but Keep Specific Elements and Their Children http://stackoverflow.com/questions/15168259/python-xml-remove-some-elements-and-their-children-but-keep-specific-elements-an away all but those itemIDs and their children. UPDATE UGLY SOLUTION I figured out that the elem.attrib.pop 'itemID' part was the..
Unicode Encoding Errors Python - Parsing XML can't encode a character (Star) http://stackoverflow.com/questions/16026594/unicode-encoding-errors-python-parsing-xml-cant-encode-a-character-star but this is not fixing the issue. I HAVE FOUND THE SOLUTION So as I was having such issues with this problem and after talking..
Returning result of an external script to VBA http://stackoverflow.com/questions/17052005/returning-result-of-an-external-script-to-vba I can get this result into my VBA environment Thank you SOLUTION I got it working I was able to call my Python script using the..
HOW TO: Draggable legend in matplotlib http://stackoverflow.com/questions/2539477/how-to-draggable-legend-in-matplotlib the legend be draggable by the user. How can this be done SOLUTION Well I found bits and pieces of the solution scattered among..
http://stackoverflow.com/questions/7825780/how-to-write-a-batch-file-showing-path-to-executable-and-version-of-python-handl share improve this question Here's my first solution SOLUTION 1 @echo off set test_script .pyexe.py rem Let's create temporary.. version of the original batch file looks now like this SOLUTION 1b @echo off setlocal set test_script .pyexe.py rem Let's create.. This is another take avoiding problems of the above two SOLUTION 2 @echo off setlocal echo Python accessible through the system..
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