Python Guru

EDIT: Looking for the number of matches not the matches themselves. Cannot solve with sets or [x fo… Read more More Efficient Ways To Find The Number Of Matching Values Shared By Two Iterables?

Was reviewing some python code related to recursion calls and noticed the return statement looked i… Read more How Does Return Statement With Recursion Calls Hold Intermediate Values In Python?

I'm trying to figure out how to add global option in a sub-parser scenario with pythons arparse… Read more How Can I Define Global Options With Sub-parsers In Python Argparse?

I have a DataFrame: d = pd.DataFrame({'i1': ['A', 'B', 'C', 'D&… Read more Adding New Multiindex Level

I am trying to export Cassandra table to CSV format using Python. But I couldn't do it. However… Read more Can't Export Cassandra Table Using Python

I have foolishly reinstalled all my Python 2.7 dependencies and it's broken something. If you … Read more Devappserver.py For App Engine Std On Localhost Is Clearing Os.uname & Crashing In Ctypes

I have a sequence of strings in the form s1 = 'Schblaum 12324 tunguska 24 234n' s2 = 'j… Read more Match Digits On A String With Certain Conditions In Python

I'm dealing with some problems in a few files about the encoding. We receive files from other c… Read more Open A File In The Proper Encoding Automatically

I finally got over the hurdle of uploading files into SharePoint which enabled me to answer my own … Read more Office365-rest-python-client 401 On File Update

I was experimenting with multiplying large numbers in python. For my purpose I was trying to evalua… Read more How To Multiply Big Numbers Faster?

I am using scrapy to scrap blogs and then store the data in mongodb. At first i got the InvalidDocu… Read more Mongodb Invaliddocument: Cannot Encode Object

I want to start my program, measure the time when the program starts and then wait some seconds, pu… Read more How To Measure Time In Python?

I have an image like this: after I applied some processings e.g. cv2.Canny(), it looks like this n… Read more How To Fill The Hollow Lines Opencv

I would like to crop out an image from an existing image. I've taken an image and applied monoc… Read more Cropping Out An Image From An Existing Image

As title, Build successful, but the exe can't run. can not found msvcr100.dll. I can put msvcr1… Read more Pyinstaller 3.2 Build Pyqt4/python2.7 To Onefile Exe, Can Not Run Missing Msvcr100.dll?

I'm trying to send a command through a socket from client to server to execute a command on the… Read more Python 2.7 - Quotes Added To Command When Using Popen To Execute From Variable

I'm new to python and i'm trying to make a password manager. the problem is that my program… Read more Python Program Can't Open Txt File

I downloaded the Enthought Tool Suite through this website: http://code.enthought.com/downloads/. W… Read more Traits.api Error In Python

All possible strings of any length that can be formed from a given string Input: abc Output: a b … Read more All Permutations Of String Without Using Itertools

I'm using OpenCV and GStreamer 0.10. I use this pipeline to receive the MPEG ts packets over U… Read more Grab The Frame From Gst Pipeline To Opencv With Python