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I've been trying to optimize my computations; and for most operations that I've tried, tens… Read more Time Comparison For Tensorflow Operation And Numpy Multiplication

I have a Django website where users can make groups and other users then visit the groups to post c… Read more Crafting A Query To Construct A Challenging Django Queryset

I have a tkinter application that can plot a large number of data, where I have noticed poor pan an… Read more Matplotlib Tkagg Backend Performance

I'm writting python (2.7) script to compare two lists. These lists are created from files by re… Read more Two Lists, Faster Comparison In Python

I have a tensor U composed of n matrices of dimension (d,k) and a matrix V of dimension (k,n). I w… Read more Tensor Multiplication With Numpy Tensordot

I have a very large feed file that is sent as an XML document (5GB). What would be the fastest way … Read more How To Efficiently Detect An Xml Schema Without Having The Entire File In Python

I need to match certain URLs in web application, i.e. /123,456,789, and wrote this regex to match t… Read more Why Does This Take So Long To Match? Is It A Bug?

I have a huge training dataset with 4 classes. These classes are labeled non-consecutively. To be a… Read more Vectorized Relabeling Of Numpy Array To Consecutive Numbers And Retrieving Back

I have a very long string, almost a megabyte long, that I need to write to a text file. The regular… Read more Writing Huge Strings In Python

I am profiling a numpy dot product call. numpy.dot(pseudo,pseudo) pseudo is a numpy array of cust… Read more Reasons Of Slowness In Numpy.dot() Function And How To Mitigate Them If Custom Classes Are Used?

I have two pandas dataframes df1 and df2 and I want their 'merged index'. By that I mean th… Read more Efficiently Obtaining The Union Of Pandas Indices

I'm running this script on Kali linux with intel core i7-4510u: import cv2 from datetime import… Read more How To Increase Performance Of Opencv Cv2.videocapture(0).read()

Building on the script from this answer, I have the following scenario: A folder containing 2500 la… Read more Why Does This Python Multiprocessing Script Slow Down After A While?

So a few days ago I needed a particular list comprehension in this thread: Selecting a subset of in… Read more Numpy Version Of This Particular List Comprehension

I don't really have idea about that so I'd like you to give me some advice if you can. Gene… Read more Selenium Python Load Page And Script (firefox And Ie)

I'm using JavaScript with jQuery, talking to a Django back end. There are some UI needs that re… Read more Ajax V. Including Data In The Html

Would using the pickle function be the fastest and most robust way to write an integer to a text fi… Read more Python, Writing An Integer To A '.txt' File

I am using quite a lot of fortran libraries to do some mathematical computation. So all the arrays … Read more How To Force Numpy Array Order To Fortran Style?

I am completely new to python or any such programming language. I have some experience with Mathema… Read more How To Make The Python Code With Two For Loop Run Faster(is There A Python Way Of Doing Mathematica's Parallelize)?

Based on this older thread, it looks like the cost of list functions in Python is: Random access: … Read more Cost Of List Functions In Python