python Programming Glossary: takingHow can I profile a SQLAlchemy powered application? http://stackoverflow.com/questions/1171166/how-can-i-profile-a-sqlalchemy-powered-application on create_engine can give you an idea how long things are taking. For example if you log something right after a SQL operation.. r r2 r3 ... If logging reveals that individual queries are taking too long you'd need a breakdown of how much time was spent within..
http://stackoverflow.com/questions/1319763/key-ordered-dict-in-python too basically have sorting as an O N log N operation not taking advantage of mostly ordered inputs natural mergesort which Tim..
Python string 'join' is faster(?) than '+', but what's wrong here? http://stackoverflow.com/questions/1349311/python-string-join-is-faster-than-but-whats-wrong-here a semi important amount of data a very few 100's of KB taking a measurable fraction of a millisecond every which way even.. obsessed abound performance obviously knows that HOISTING taking OUT of the inner loop a repetitive computation that would be..
How can I auto-populate a PDF form in Django/Python? http://stackoverflow.com/questions/1890570/how-can-i-auto-populate-a-pdf-form-in-django-python rebuild the PDF from scratch in reportlab instead of just taking a PDF with a form that's already been made. PDF forms work with..
How can I quantify difference between two images? http://stackoverflow.com/questions/189943/how-can-i-quantify-difference-between-two-images between two images Here's what I would like to do I'm taking pictures with a webcam at regular intervals. Sort of like a.. subtraction sparse optical flow I strongly recommend taking a look at 𦚵earning OpenCV book Chapters 9 Image parts and segmentation..
How to access a standard-library module in Python when there is a local module with the same name? http://stackoverflow.com/questions/1900189/how-to-access-a-standard-library-module-in-python-when-there-is-a-local-module-w wrote for performing calculations with uncertainties while taking into account correlations between variables. python import..
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 per element . So to sort according to the current locale taking language specific rules into account cmp_to_key is a helper..
http://stackoverflow.com/questions/3684484/peak-detection-in-a-2d-array the loop looks top down towards the lowest value without taking into account where this is. Would anyone know how to tweak @jextee's.. so wide it gets recognized twice The paw is too large so taking a 2x2 size with no overlap causes some toes to be detected twice...
How can I profile python code line-by-line? http://stackoverflow.com/questions/3927628/how-can-i-profile-python-code-line-by-line different places I have no idea if call #1 or call #2 is taking up the majority of the time. This gets even worse when the function.. be able to click on the second func c call to see what's taking up time in that call separate from the func a call. Does that..
How are POST and GET variables handled in Python? http://stackoverflow.com/questions/464040/how-are-post-and-get-variables-handled-in-python or Turbogears you can also define your handler function taking a parameter directly def index self username print username..
What is the most efficient way of finding all the factors of a number in Python? http://stackoverflow.com/questions/6800193/what-is-the-most-efficient-way-of-finding-all-the-factors-of-a-number-in-python then use x fac1 to get fac2 the reduce list.__add__ ... is taking the little lists of fac1 fac2 and joining them together in one..
Python xlwt - accessing existing cell content, auto-adjust column width http://stackoverflow.com/questions/6929115/python-xlwt-accessing-existing-cell-content-auto-adjust-column-width fonts you'll need to change the fitwidth function ideally taking into account the style argument passed to FitSheetWrapper.write..
Django vs other Python web frameworks? http://stackoverflow.com/questions/702179/django-vs-other-python-web-frameworks turbogears share improve this question I suggest taking another look at TG2. I think people have failed to notice some..
How to install python modules without root access? http://stackoverflow.com/questions/7465445/how-to-install-python-modules-without-root-access to install python modules without root access I'm taking some university classes and have been given an 'instructional..
How to apply numpy.linalg.norm to each row of a matrix? http://stackoverflow.com/questions/7741878/how-to-apply-numpy-linalg-norm-to-each-row-of-a-matrix I can take norm of each row by using a for loop and then taking norm of each X i but it takes a huge time since I have 30k rows...
Convert python datetime to epoch with strftime http://stackoverflow.com/questions/11743019/convert-python-datetime-to-epoch-with-strftime am using strftime to convert it to the number of seconds. Taking 1st April 2012 as an example. datetime.datetime 2012 04 01 0..
How to implement Unicode string matching by folding in python http://stackoverflow.com/questions/1410308/how-to-implement-unicode-string-matching-by-folding-in-python know which answer to accept since I use a bit of both. Taking the NKFD decomposition and removing combining marks goes almost..
How to combine Pool.map with Array (shared memory) in Python multiprocessing? http://stackoverflow.com/questions/1675766/how-to-combine-pool-map-with-array-shared-memory-in-python-multiprocessing it as a global variable in your example also works well. Taking on board your point of not wanting to set the data before the..
Printing BFS (Binary Tree) in Level Order with _specific formatting_ http://stackoverflow.com/questions/1894846/printing-bfs-binary-tree-in-level-order-with-specific-formatting this question is not a dup of this one but builds on it. Taking the tree in that question as an example 1 2 3 4 5 6 How would..
Taking a list of tuples as an argument and returning a dictionary as a result http://stackoverflow.com/questions/19886201/taking-a-list-of-tuples-as-an-argument-and-returning-a-dictionary-as-a-result a list of tuples as an argument and returning a dictionary as..
How to define a decimal class holding 1000 digits in python? http://stackoverflow.com/questions/19980840/how-to-define-a-decimal-class-holding-1000-digits-in-python digits to calculate something like pi number in a series. Taking time is not important. How can I define __add__ ... functions..
Porting invRegex.py to Javascript (Node.js) http://stackoverflow.com/questions/20815278/porting-invregex-py-to-javascript-node-js an iterator that represents the referenced subpattern. Taking foo bar xy 2 1 as an example yields fooxxfoo fooyyfoo barxxbar..
Simple Python Challenge: Fastest Bitwise XOR on Data Buffers http://stackoverflow.com/questions/2119761/simple-python-challenge-fastest-bitwise-xor-on-data-buffers headers ' emmintrin.h ' return b.tostring Second Try Taking into account the comments I revisited the code to find out if..
Python: Random is barely random at all? http://stackoverflow.com/questions/2145510/python-random-is-barely-random-at-all intermediate # values too large to cast into a double. Taking the logs and # subtracting them is equivalent to division. #..
Python linked list O(1) insert/remove http://stackoverflow.com/questions/2154946/python-linked-list-o1-insert-remove into or removal from a large list O log n vs. O n Taking large slices of large lists O log n vs O n Making shallow copies..
Fastest way to take a screenshot with python on windows http://stackoverflow.com/questions/3586046/fastest-way-to-take-a-screenshot-with-python-on-windows 5 seconds to take 30 screenshots of the same small window. Taking screenshots of the whole desktop is even slower. python windows..
What is getattr() exactly and how do I use it? http://stackoverflow.com/questions/4075190/what-is-getattr-exactly-and-how-do-i-use-it modification in the core application to add a new feature. Taking the 'Dive Into Python' example a simple app to extract attribute..
How to create list field in django http://stackoverflow.com/questions/5216162/how-to-create-list-field-in-django value class Dummy models.Model mylist ListField Taking it for a spin from foo.models import Dummy ListField d Dummy..
Project Euler 5 in Python - How can I optimize my solution? http://stackoverflow.com/questions/8024911/project-euler-5-in-python-how-can-i-optimize-my-solution python project euler share improve this question Taking the advice of Michael Mior and poke I wrote a solution. I tried..
Some NLP stuff to do with grammar, tagging, stemming, and word sense disambiguation in Python http://stackoverflow.com/questions/8541447/some-nlp-stuff-to-do-with-grammar-tagging-stemming-and-word-sense-disambiguat part of speech plurality tense etc. of original inputs. Taking note of this could help to select from the several possibilities..
what does the __file__ wildcard mean/do? http://stackoverflow.com/questions/9271464/what-does-the-file-wildcard-mean-do to find the directory that the file is located in. Taking your examples one at a time A os.path.join os.path.dirname __file__..
Which gps library would you recommend for python? http://stackoverflow.com/questions/953701/which-gps-library-would-you-recommend-for-python do I have to turn to face the point I want to navigate to. Taking the data of the first function and our current heading to calculate..
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