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python Programming Glossary: performWhat can you use Python generator functions for? http://stackoverflow.com/questions/102535/what-can-you-use-python-generator-functions-for say you wrote a 'filesystem search' program. You could perform the search in its entirety collect the results and then display..
Choosing Java vs Python on Google App Engine http://stackoverflow.com/questions/1085898/choosing-java-vs-python-on-google-app-engine used to write that code. Which language will give better performance and more power Please advise. Thank you Edit http groups.google.com.. similar restrictions on the Python runtime. In terms of performance I think it's a wash though you should benchmark on tasks.. should benchmark on tasks of your own don't rely on the performance of highly optimized JIT based JVM implementations discounting..
Should Python import statements always be at the top of a module? http://stackoverflow.com/questions/128478/should-python-import-statements-always-be-at-the-top-of-a-module would help you did profile to see where best to improve performance right The best reasons I've seen to perform lazy imports.. to improve performance right The best reasons I've seen to perform lazy imports are Optional library support. If your code has..
Request UAC elevation from within a Python script? http://stackoverflow.com/questions/130763/request-uac-elevation-from-within-a-python-script elevate the application privileges for a while for you to perform a particular task. Windows needs to know at the start of the.. and will ask the user to confirm when the application performs any tasks that need those privileges. There are two ways to.. the ShellExecute trick and exits immediately if it does it performs the task at hand. As you describe your program as a script..
Should you always favor xrange() over range()? http://stackoverflow.com/questions/135041/should-you-always-favor-xrange-over-range python range xrange share improve this question For performance especially when you're iterating over a large range xrange.. but range will have real integer objects. It will always perform worse in terms of memory however xrange isn't usable in all..
Django: add image in an ImageField from image url http://stackoverflow.com/questions/1393202/django-add-image-in-an-imagefield-from-image-url it uses urllib2.urlopen because urllib.urlretrieve doesn't perform any error handling by default so it's easy to get the contents..
“Large data” work flows using pandas http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas time that can fit in memory. I would create new columns by performing various operations on the selected columns. I would then.. structure. I am trying to find a best practice way of performing these steps. Reading links about pandas and pytables it seems.. numeric and character data. I rarely append rows but I do perform many operations that create new columns. Typical operations..
How does one do the equivalent of “import * from module” with Python's __import__ function? http://stackoverflow.com/questions/147507/how-does-one-do-the-equivalent-of-import-from-module-with-pythons-import the following __import__ S fromlist This doesn't seem to perform as expected as it doesn't import anything . Thanks python python..
http://stackoverflow.com/questions/1819124/image-comparison-algorithm to experiment with other images to see how well this might perform and how you might improve it. Run time is long... several minutes..
In Python, what is the difference between '/' and '//' when used for division? http://stackoverflow.com/questions/183853/in-python-what-is-the-difference-between-and-when-used-for-division 2.x line there is no difference for integers unless you perform a from __future__ import division which causes Python 2.x to..
convert integer to a string in a given numeric base in python http://stackoverflow.com/questions/2267362/convert-integer-to-a-string-in-a-given-numeric-base-in-python from a string of a given base via int str base . I want to perform the inverse creation of a string from an integer. i.e. I want..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained just the same except you used instead of . BUT you can not perform for i in mygenerator a second time since generators can only..
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 perspective you're not going to beat translate it's performing raw string operations in C with a lookup table there's not.. This is faster than s.replace with each char but won't perform as well as non pure python approaches such as regexes or string.translate..
How do I perform HTML decoding/encoding using Python/Django? http://stackoverflow.com/questions/275174/how-do-i-perform-html-decoding-encoding-using-python-django do I perform HTML decoding encoding using Python Django I have a string..
Is there any way to kill a Thread in Python? http://stackoverflow.com/questions/323972/is-there-any-way-to-kill-a-thread-in-python code is to have the thread catch a specific exception and perform the cleanup. That way you can interrupt a task and still have..
Are there any static analysis tools for Python? http://stackoverflow.com/questions/35470/are-there-any-static-analysis-tools-for-python would like to remove the burden for exhaustive testing by performing some static analysis. What tools parameters etc. exist to.. in python that are not possible in other languages that perform stricter run time checking I'm hoping that there are tools to..
How do I sort a list of strings in Python? http://stackoverflow.com/questions/36139/how-do-i-sort-a-list-of-strings-in-python bit naive because they don't take locale into account and perform a case sensitive sorting. You can take advantage of the optional..
What is the difference between encode/decode? http://stackoverflow.com/questions/447107/what-is-the-difference-between-encode-decode In Python 3 it is completely gone. unicode .decode will perform an implicit encoding of s using the default ascii codec. Verify..
Does Python have a built in function for string natural sort? http://stackoverflow.com/questions/4836710/does-python-have-a-built-in-function-for-string-natural-sort sort I have a list of strings for which I would like to perform a natural alphabetical sort. Natural sort The order by which..
Use numpy array in shared memory for multiprocessing http://stackoverflow.com/questions/7894791/use-numpy-array-in-shared-memory-for-multiprocessing makes sense. However it is not a numpy array and I cannot perform operations such as 1 a or a.sum . I suppose a solution would..
How to remove convexity defects in a Sudoku square? http://stackoverflow.com/questions/10196198/how-to-remove-convexity-defects-in-a-sudoku-square next image warp the image to a perfect square eg image Perform OCR for which I used the method I have given in Simple Digit.. And the method worked well. Problem Check out this image. Performing the step 4 on this image gives the result below The red line..
Partial matching GAE search API http://stackoverflow.com/questions/12899083/partial-matching-gae-search-api search.TextField name 'name' value name index.put document Perform search and walah results search.Index name item_autocomplete..
Representing and solving a maze given an image http://stackoverflow.com/questions/12995434/representing-and-solving-a-maze-given-an-image coord 1 coord 0 3 i 240 return a def bfs s e i visited Perform a breadth first search. frontier Queue.Queue while s e for d..
Given a big list of urls, what is a way to check which are active/inactive? [closed] http://stackoverflow.com/questions/13424753/given-a-big-list-of-urls-what-is-a-way-to-check-which-are-active-inactive not the page is up python share improve this question Perform a HEAD request on each of them. Use this library http docs.python..
How to make 'access_type=offline' / server-only OAuth2 operations on GAE/Python? http://stackoverflow.com/questions/16900919/how-to-make-access-type-offline-server-only-oauth2-operations-on-gae-python may have noticed this in the OAuth dialog that comes up Perform these operations when I'm not using the application When your..
http://stackoverflow.com/questions/17024282/how-to-avoid-failed-to-retrieve-access-token-error-invalid-grant-in I just use the default access_type offline and I see the Perform these operations when I'm not using the application mention..
Integrate 2D kernel density estimate http://stackoverflow.com/questions/17822282/integrate-2d-kernel-density-estimate 0 data 1 xmin xmax min m1 max m1 ymin ymax min m2 max m2 # Perform a kernel density estimate KDE on the data x y np.mgrid xmin.. that will determine the integration limits x1 y1 2.5 1.5 # Perform integration # Plot the results import matplotlib.pyplot as plt..
How do you get list of methods in a python class? http://stackoverflow.com/questions/1911281/how-do-you-get-list-of-methods-in-a-python-class object has How do I look inside a Python object How Do I Perform Introspection on an Object in Python 2.x How to get a complete..
SymPy: How to return an expression in terms of other expression(s)? http://stackoverflow.com/questions/2038100/sympy-how-to-return-an-expression-in-terms-of-other-expressions Rational '1609.344' units.s my_hour Rational '3600' Perform all your calculations using the base units. Then if you want..
Simple Python Challenge: Fastest Bitwise XOR on Data Buffers http://stackoverflow.com/questions/2119761/simple-python-challenge-fastest-bitwise-xor-on-data-buffers Challenge Fastest Bitwise XOR on Data Buffers Challenge Perform a bitwise XOR on two equal sized buffers. The buffers will be..
Perform commands over ssh with Python http://stackoverflow.com/questions/3586106/perform-commands-over-ssh-with-python commands over ssh with Python I'm writing a script to automate..
http://stackoverflow.com/questions/3775912/fourier-space-filtering y Loop Take block of length B 2P from x called x_b Perform y_b ifft fft x_b h_scaled Drop padding P from either side of..
calculate exponential moving average in python http://stackoverflow.com/questions/488670/calculate-exponential-moving-average-in-python import itemgetter def smooth iq_data alpha 1 today None Perform exponential smoothing with factor `alpha`. Time period is a..
http://stackoverflow.com/questions/5276967/python-in-xcode-4-or-xcode-5 of using the play button in the menu bar click Product Perform Action Run Without Building or simply use the keyboard shortcut..
How Do I Perform Introspection on an Object in Python 2.x? http://stackoverflow.com/questions/546337/how-do-i-perform-introspection-on-an-object-in-python-2-x Do I Perform Introspection on an Object in Python 2.x I'm using Python 2.x..
Tab completion in Python's raw_input() http://stackoverflow.com/questions/5637124/tab-completion-in-pythons-raw-input name return res def _complete_path self path None Perform completion of filesystem path. if not path return self._listdir..
Passing functions with arguments to another function in Python? http://stackoverflow.com/questions/803616/passing-functions-with-arguments-to-another-function-in-python to another function in Python Say for something like def Perform function function but the functions to be passed will be like..
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