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I am looking into searching a csv file with 242000 rows and want to sum the unique identifiers in o… Read more Searching Csv Files With Pandas (unique Id's) - Python

There's many cases where I want symbols within the numerator and denominator of a fraction to b… Read more Keep Fractions As Factors

Suppose I have a Python module 'main.py': import math # from the standard Python … Read more Best Practice For Nested Python Module Imports

I want to run each selected py.test item an arbitrary number of times, sequentially. I don't se… Read more How Can I Repeat Each Test Multiple Times In A Py.test Run?

I'm new to programming and I'm trying to grasp the concept of the GAE datastore. I'm tr… Read more How To Model A Contract Database (with Several Buyers Or Sellers) Using Gae Datastore

I am working on Images of Textbook pages such as questions and handwritten notes and want the binar… Read more How Do You Remove The Unnecessary Blackness From Binary Images (mainly Caused By Dark Areas/noise)

I have a lots of class implemented in my code. Now I realise that for each method invoked for all t… Read more Proxy Pattern In Python

I don't think I'm understanding python subprocess properly at all but here's a simple e… Read more Python Subprocesses Don't Output Properly?

I cannot add the integer number 1 to an existing set. In an interactive shell, this is what I am do… Read more Adding The Number 1 To A Set Has No Effect

I'm trying to execute a simple PY file and I'm getting the following error: Traceback (most… Read more Python Module Not Found But Exists In Folder

I am trying to programatically call a spider through a script. I an unable to override the settings… Read more Scrapy Passing Custom_settings To Spider From Script Using Crawlerprocess.crawl()

I'm creating some functions that I can call use keywords to call out specific functions, import… Read more Valueerror When Using If Commands In Function

Essentially this is to compare two dataframes, I am able to compare their names with: def diff(firs… Read more How To Compare Two Dataframe (structtype) In Python

I`m writing an SVN pre-commit.bat file which calls a Python script to query our issue tracking syst… Read more Can't Fail Svn Pre-commit Script With Windows Server

Links to all images at the bottom I have drawn a line over an arrow which captures the angle of tha… Read more Remove And Measure A Line Opencv

I'm trying to help run my selenium (Python bindings version 2) tests on someone else setup. It… Read more Selenium Phantomjs Browsers Hangs On Startup. How Do I Debug It?

I am producing a map of the world with pie charts in individual model grid boxes. I make the map an… Read more Cartopy Coastlines Hidden By Inset_axes Use Of Axes.pie

I have 32-bit Python2.7 already installed in Windows 7 (64-bit Operating System) and I can use it w… Read more Why Pyqt5 Import Failed In Python3.4 With `importerror: Dll Load Failed` In Windows 7?

I'm trying to render a webpage with pdfkit My code: import pdfkit config = pdfkit.configuration… Read more Pdfkit - Returns A Blank Pdf With Only Requested Url

This is my try, it actually put the first and seconds groups of 3 digits between parenthesis while … Read more How To Convert 10 Digits With This Format Xxx-xxx-xxxx To Us Formal Format That Looks Like (xxx) Xxx-xxxx Using Python3 Regex Sub

I am a newbie in python. I have a unicode in Tamil. When I use the sys.getdefaultencoding() I get t… Read more Conversion Of Unicode

It says A tuple can not be changed in any way once it is created. But when I do the following: t… Read more Are Tuples In Python Immutable?

I have a localhost environment running using Python's SimpleHTTPServer, serving on port 8080. M… Read more Triggering Python Script Using Ajax Javascript Request On Local Server Using Vanilla Js

I have a numpy array: import numpy as np a = np.array([2, 56, 4, 8, 564]) and I want to add two el… Read more Insert Elements To Beginning And End Of Numpy Array

I am beginner in pandas I have dataframe first column is datatime like '19-Sep-2016 10:30:00&#… Read more Pandas Convert Datatime Column To Timestamp

I have a Python module which uses some resources in a subdirectory of the module directory. After … Read more How Do I Use A Relative Path In A Python Module When The Cwd Has Changed?

I am still new to vscode, but I am having trouble getting some of the tools for python Jupyter note… Read more Vscode: Code Lens For Jupyter Notebook Does Not Show Debug Option Or "run Code By Line"

I am using scipy.spatial for visualizations of Voronoi diagrams. However, the distance metric that … Read more Voronoi Diagram In Manhattan Metric

I am attempting to create my first OS-level GUI using wxPython. I have the book wxPython in Action… Read more In Wxpython, What Is The Standard Process Of Making An Application Slightly More Complex Than A Wizard?

I'd like to use python to connect to an instance of mongo tied to a meteor app hosted at meteor… Read more Decipher An Error Connecting To A Mongo Instance Hosted At .meteor.com

Just learning Python as my first coding language. Given a list with many possible sub-lists which h… Read more Find Generic Sub-lists Within A List

This is a followup on my previous question, I am using the 2to3 tool as suggested by Senthil Kumara… Read more Convert Code From Python 2.x To 3.x

I have the anaconda package and run Spyder. Here is my system information: anaconda … Read more "pip Is Configured With Locations That Require Tls/ssl, However The Ssl Module In Python Is Not Available"

I'm having trouble with an or condition in a function. The if statement keeps evaluating as Tru… Read more "or" Condition Causing Problems With "if"

I want to log every action what will be done with some SQLAlchemy-Models. So, I have a after_insert… Read more Tracking Model Changes In Sqlalchemy

I have made a discord bot that uses selenium to access a website and get information, when I run my… Read more Selenium App Redirect To Cloudflare Page When Hosted On Heroku

I'm working with an XML file that stores all 'versions' of the chatbot we create. Curre… Read more How To Extract Multiple Grandchildren/children From Xml Where One Child Is A Specific Value?

I have a set of disordered vertices that may form a concave polygon. Now I wish to order them in ei… Read more Ordering Concave Polygon Vertices In (counter)clockwise?

I have tested optcomplete working with the optparse module. Its example is a simple file so I could… Read more How Does Argparse (and The Deprecated Optparse) Respond To 'tab' Keypress After Python Program Name, In Bash?

I relied on the code mentioned, here, but with minor edits. The version that I have is as follows: … Read more Valueerror: Could Not Broadcast Input Array From Shape (22500,3) Into Shape (1)

listA = [1,2,3] listB = [] print listA print listB for i in listA: if i >= 2: … Read more Moving Python Elements Between Lists

This thread successfully answers how to use numpy to calculate the tensor product of two matrices i… Read more How To Generate A Usable Tensor Product Of Two Matrices In Python

In my Flask-based Google App Engine server, I am trying to return a response with a 'content-le… Read more Content-length Header Not Being Set On Flask App Engine Response For Served Blob

I have a little code that takes a list of objects, and only outputs the items in the list that are … Read more How Can I Make My Code Be A Set?

We've got the following python list: [1,2,3,10] I would like to accomplish the following: Creat… Read more Applying Arithmetic Operations On List Of Numbers Without Repetition In Python

Imagine you got an entity in the Google App Engine datastore, storing links for anonymous users. Y… Read more Python: Distinct On Gquery Result Set (gql, Gae)

I am wondering if there is a way to avoid that for-loop variables cut into Python's global name… Read more Ways To Avoid That For-loop Variables Cut Into Python's Global Namespace

In a Python 3 application I'm using NumPy to calculate eigenvalues and eigenvectors of a symmet… Read more Numpy: Difference Between Linalg.eig() And Linalg.eigh()

typical spinning wheelI am making a spinning wheel in Python tKinter. Usually, when you spin the wh… Read more Is There A Way To Rotate Text Around (or Inside) A Circle?

I am trying to call a variable defined in a function, inside another function of the same class, bu… Read more Calling Variables In The Same Class With Python

I'm attempting to write a program that grabs data from my password protected gradebook and anal… Read more Requests S.get(url,verify = False) Error [python]

I have a MultiDiGraph, in which there may exist multiple edges between nodes that are differentiate… Read more How To Retrieve Or Iterate Over Edge Keys In Python Networkx Multidigraph

I am working with the following 'block' of HTML: Solution 1: The reason you're getting… Read more Beautifulsoup4 - Identifying Info By Strong Tag Value Only Works For Some Values Of The Tag

I am looking to reset a counter every day using Redis. I am new to Redis so I want to make sure I w… Read more Redis: Reset Counter Every Day

I am working on a project that wants me to get information from Google Chrome's Developer tools… Read more Getting Information From Google Chrome's Developer Tools

I have python 2.7.8 and pyscripter 2.5.3 (64 bits)installed on windows 7....Can anyone tell me whic… Read more Numpy Package For "python 2.7.8 And Pyscripter 2.5.3" (64 Bit Windows 7)

In python it's possible to do this EMPTY, PAWN, KNIGHT, BISHOP, ROOK, QUEEN, KING, BPAWN = rang… Read more How To Define Constant Like This In Lisp?

I want to use vlc.py to play mpeg2 stream http://wiki.videolan.org/Python_bindings. There are some … Read more How Does Vlc.py Play Video Stream?

I tried to pip install pygraphviz, which failed with the error: 'Microsoft Visual C++ 14.0 is r… Read more Python 3 Pip Installation Of Pygraphviz Fails, "microsoft Visual C++ Is Required", Visual Studio 2017 Is Installed

When I attempt to deploy my application to Heroku I receive the following error: File '/app/pr… Read more How To Use Opencv With Heroku

For example, I want to run the loop when choice isn't neither1 nor 2. So my code is like this:… Read more Python Using `!=`, `or` And `while`

I have an object (Person) that has multiple subobjects (Pet, Residence) as properties. I want to be… Read more Getattr And Setattr On Nested Subobjects / Chained Properties?