Python Manual

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

From the title, yes there is a difference. Now applied to my scenario: let's consider a class D… Read more Difference Between A 'for' Loop And Map

I have the following data frames: import pandas as pd df = pd.DataFrame( { 'Name' : [&… Read more How To Split A Data Frame Into Multiple Data Frames Based On Columns

I'm fetching documents on the base of specific EmbeddedDocument, but I don't want to get al… Read more How To Include Only Selected Embedded Document In Mongoengine?

I wanna parse excel& make dictionary and connect the model(User) which has same user_id of dict… Read more How Should I Connect Dictionary's User_id & Model's User_id?

I'm using Selenium 3.12.0 with Python 3.7.2 and Firefox 66.0.1 on Fedora 29. I'm having tro… Read more Click Radio Button Coupled To A Label With Same Name Using Firefox Webdriver

I am trying to plot some series with pandas. However I have a problem when I try to set major locat… Read more Cannot Set Datetime Ticks When Using Pandas

I have a python dataframe with hourly values for Jan 2015 except some hours are missing the index a… Read more Python Linear Interpolation Of Values In Dataframe

I have a Django app on Heroku. I set up another app on the same Heroku account. Now I want another … Read more Django Deployment Issue On Heroku With Exact Clone Of Running App: Push Rejected Error

Working with VS 2019, Python 3.7 64bit on Windows 10 and pybind11 2.4.3 I have run into the followi… Read more Access Violation When Trying To Read Out Object Created In Python Passed To Std::vector On C++ Side And Then Returned To Python

This Python code creates a table, inserts three rows into it and iterates through the rows, with in… Read more Python, Sqlite3: Cursor Returns Duplicates When A Commit Intervenes

A colleague got this error message when trying to use MySQLdb from Django: [...] ImproperlyConfigur… Read more Django - Mysqldb: Symbol Not Found: _mysql_affected_rows

code: import pygame , sys, time, random from pygame.locals import * def enemie(): global speed… Read more 'pygame.rect' Object Is Not Callable

I have *.txt file, which contains data like this: ... 30 5.882973099631601 31 6.035463584639685 32 … Read more How To Find Minimum Value From *.txt File

I'm trying to recreate a function from a discrete fourier transform. In Matlab it would be done… Read more Fourier Series From Discrete Fourier Transform

I am trying to make a binary version of a Python script using PyInstaller 2.0. I am using a basic &… Read more Pyinstaller On Mac Can't Find Libpython2.7

Django Version: 1.10.4 Exception Type: ValueError Exception Value: ' ' needs to have a … Read more Valueerror: Needs To Have A Value For Field "" Before This Many-to-many Relationship Can Be Used

I have read the comments below for this question: What are the differences between 'Selenium-se… Read more Selenium Webdriver Without Making Server Of The Pc

I am new to OpenCV and I have images that need to be cropped to perfect passport size photos. I hav… Read more How To Crop White Patches In Image And Make Passport Size Photo Using Opencv

I am running a log of scrapy by doing this: from scrapy import log class MySpider(BaseSpider): na… Read more Logging To Specific Error Log File In Scrapy

I am trying to find corresponding keys in two different dictionaries. Each has about 600k entries.… Read more Finding Matching Keys In Two Large Dictionaries And Doing It Fast

I want to access .txt files in 46 subdirectories and extract the number of 0s and 1s in the text of… Read more How To Get A List Of Tuples From Several Text Files?

I have a situation like that, one original pandas dataframe, for example, like: columnA columnB… Read more How Can I Update Pandas Dataframe Just Keep Original One At Left Upper Corner?

I'm relatively new to Python, and I just started learning regular expressions. I can't seem… Read more Python Regular Expressions, How To Search For A Word Starting With Uppercase?

I have a tensor like this in which the values are the frequency and the rows are the index(0 to 6):… Read more How To Create A Frequency Tensor Out Of Two Tensor In Tensorflow

I am trying to extract data from User defined type (UDT) via cx_Oracle. Here is the UDT structure: … Read more Extract Data From User Defined Type Via Cx_oracle

I want Django to send an email to user email-address with Login details once admin adds a new user … Read more How Can I Have Django User Registration Single Step (instead Of Two Step)process With Email Compulsory?

I am using Python to create a Fibonacci using this formula: I have this recursive Fibonacci funct… Read more Closed Form Fibonacci Series

I want to slice the same numpy array (data_arra) multiple times to find each time the values in a d… Read more Efficient Way To Get All Numpy Slices For Different Ranges

I have been having some trouble with my Python program. Basically, it is a very very simple file ma… Read more Wxpython Refresh Window On Button Press

I am trying to find the minimum value in the list without having to use the min function and just b… Read more Python Linked List Minimum Value

For example, the elements of the columns is ['a', 'b', 2006.0, 2005.0, ... ,1995.0]… Read more How To Edit Several Elements In Df.columns

I am trying to run Scrapy from Python. I'm looking at this code which (source): from twisted.in… Read more Scrapy Run From Python

Im trying to add a pair of elements to a priority queue. When I try to add an element im getting th… Read more Getting "not Supported Between Instances Of 'tuple' And 'list'" When Adding Object To Priority Queue

I have following list: cnames = [' green ', ' blue ', ' yellow ', ' gra… Read more Index Of A Random Item From A List

I am am trying to run the Quandl module on a virtualenv which I have uninstalled packages only pand… Read more Import Error; No Module Named Quandl

I have some code which adds the word '_manual' onto the end of a load of filenames.. I nee… Read more Replacing Filename Characters With Python

I'd like to select the columns that only have one negative value or none. How can I construct t… Read more Select Column With Only One Negative Value

I am trying to save a blob sent via ajax, as a file in python. Had been through this before Python:… Read more Saving A Blob To A File In Python

I have a 512x512x512 numpy array. Is there any efficient way to perform a mean filter where every a… Read more Local Mean Filter In Numpy

Consider the following example, where I take a naive datetime, make it timezone aware in UTC, and t… Read more Printing Datetime As Pytz.timezone("etc/gmt-5") Yields Incorrect Result

i have 2 arrays like this x_test = [[ 14. 1.] [ 14. 2.] [ 14. 3.] [ 14. 4.] [ 14. 5.] [ … Read more Matplotlib Scatter Array Lengths Are Not Same

I want to get the enclosed content. Split is only allowing me to split by one delimiter. Input: \x0… Read more Getting The Enclosed Content

I am trying to call a python script from a java/tomcat6 webapp. I am currently using the following… Read more Calling Python From Java (tomcat6) As Sub-process

Consider the following function: def f(x, dummy=list(range(10000000))): return x If I use mult… Read more Python Multiprocessing - Why Is Using Functools.partial Slower Than Default Arguments?

Is there any tool/library that calculate percent of 'condition/decision coverage' of python… Read more Condition Coverage In Python

When i install iconv with npm got the following error: iconv@2.1.0 install /root/Dropbox/nodeApps/… Read more Can't Find Python Executable "python"

Hi I'm trying to check if only the specific user has typed yes or no then apply the role. At … Read more Adding A Check Issue

so I have this python 3 code to input a matrix: matrix = [] lop=True while lop: line = input() … Read more Making Sure Length Of Matrix Row Is All The Same (python3)

I want to read only a certain amount of rows starting from a certain row in a csv file without iter… Read more Only Read Certain Rows In A Csv File With Python

What I'm trying to do is simply have the output of some terminal commands print out to a wx.Tex… Read more Creating A Custom Sys.stdout Class?

def add_age(cls,age): cls.yrs_old = age return cls class Test: age = add_age a = Tes… Read more Functions And Class Attributes (python)

I have a dataframe like this, col1 col2 col3 1 apple a,b 2 car c 3 d… Read more How To Avoid Nan When Using Np.where Function In Python?

A little info: I'm very new to programming and this is a small part of the my first script. The… Read more Date Axis In Heatmap Seaborn

I am trying to make a simple webapp html page that prints out data given from a datastore. However,… Read more "badvalueerror: Property Category Is Required" On Gae

I'm running into issues with Python dispatcher definitions changing each time I add a new funct… Read more Python Dispatcher Definitions In A Function

With matplotlib 2.0 I have been having strange behavior when I use both subscript and superscript o… Read more Matplotlib 2.0 Subscript Outside Of Baseline When Super And Subscript Are Both Used

I am trying to programmatically create a chart in an xlsx file using xlsxwriter and pandas data. Wr… Read more Typeerror 'buffer Size Mismatch' Error When Defining A Series In Xlsxwriter

s = 'func' Now suppose there is function called func. How can i call in Python 2.7 call fu… Read more Python Call Function From String

When I running the python code, there is a runtimeError in line 44:RuntimeError: Expected all tenso… Read more Pytorch Running: Runtimeerror: Expected All Tensors To Be On The Same Device, But Found At Least Two Devices, Cuda:0 And Cpu

I am to understand how tensorflow differentiation behaves when applied on elements of vector. Here … Read more Tensorflow Differentiate Only Element Of Vector

I am trying to run a neural network with pycaffe on gpu. This works when I call the script for the … Read more Check Failed: Error == Cudasuccess (2 Vs. 0) Out Of Memory

I have two simple models, one representing a movie an the other representing a rating for a movie. … Read more When Does Django Look Up The Primary Key Of Foreign Keys?

I'm using pandas 13.0 and I'm trying to create a new colum using apply() and a function nam… Read more Pandas - Create A New Column With Apply For Float Indexed Dataframe

I'm using python(3.8)when I installed the pywinauto(0.6.8) module it got successfully installed… Read more Error While Importing The Pywinauto Module

I'm writing python code to parse different types of numbers from a string using regular express… Read more Python: Parsing Numeric Values From String Using Regular Expressions