Getting Started with Python

I have written a pandas function and it runs fine (the second last line of my code). When i try to … Read more Pandas Function Return Multiple Values Error - Typeerror: Unhashable Type: 'list'

I want to create decorator that shows which parameters were passed to function and methods. I have … Read more Passing 'self' Parameter During Methods Decorating In Python

I am trying to upload 100,000 data points to a web service backend. If I run it one at a time, it w… Read more Simultaneously Run Post In Python

I have 2.7.13 on macOS Sierra and I'm trying to upgrade to python3 via brew install python3 ev… Read more Trying To Install Python3 But Terminal Keeps Showing As Python 2.7.13

I am new in deep learning area. Now I am reproducing a paper’s codes. since they use several GPUs, … Read more Problems About Torch.nn.dataparallel

I have an existing json file in a format of list of dicts. $cat output.json [{'a':1, 'b… Read more How To Export Dataframe To_json In Append Mode - Python Pandas?

I am trying to produce a matrix of pairwise plots comparing distributions (something like this). Si… Read more Seaborn Pairwise Matrix Of Hexbin Jointplots

I want to identify numbers which are perfect squares in a list of numbers, for example: a = [3, 4, … Read more Check For Perfect Squares In A List

I have a basic heatmap created using the seaborn library, and want to move the colorbar from the de… Read more Seaborn Heatmap: Move Colorbar On Top Of The Plot

Functions called: (regardless of class) def partition( pivot, lst ): less, same, more = list(),… Read more Python 3 Median-of-3 Quicksort Implementation Which Switches To Heapsort After A Recursion Depth Limit Is Met

I have a list of strings in python. list = [ 'Sentence1. Sentence2...', 'Sentence1. Sen… Read more Count Words In Python

I'm trying to create a simple server to client based chat program and the issue is that when I … Read more Python: Typeerror: Str, Bytes Or Bytearray Expected, Not Int

I have a JPG image, and I would like to find a way to: Decompose the image into red, green and blu… Read more How Do I Use Gimp / Opencv Color To Separate Images Into Coloured Rgb Layers?

I'm using virtualenv to switch my python dev env. But when I run workon my_env, I meet such err… Read more Deactivate Conflict In Virtualenvwapper And Anaconda

I have a hash table whose keys are of pattern USER_TEL like: bob_123456 : Some address mary_567894… Read more How To Search A Key Pattern In Redis Hash?

I want to use PyTorch to get the partial derivatives between output and input. Suppose I have a fun… Read more How To Use Pytorch To Calculate Partial Derivatives?

duplicates (that I havent found answers in): https://stackoverflow.com/questions/4066361/how-to-obf… Read more Encrypt/unencrypt Python Scripts In C

import pygame SIZE = 1000, 900 pygame.init() screen = pygame.display.set_mode(SIZE) … Read more How Can I Rotate An Image In Pygame With Out Current Command(with Out *pygame.transform.rotate* Command)?

I recently have some difficulties to connect a socket to another computer's socket through Inte… Read more How To Connect A Socket To Another Computer's Socket Through Internet

I know I can use 'help()' to see existing help information from packages. But after I wrote… Read more How To Add My Own "help" Information To A Python Function/class?

I want to plot a heatmap with a custom colormap similar to this one, although not exactly. I'd… Read more Custom Colormap

it may exist a method to coming back from the function shuffle from sklearn.utils? I explain bette… Read more How To Un-shuffle Data?

I have a code that reads an excel data sheet (a table) into a DataFrame and convert a 'date'… Read more Attributeerror: 'str' Object Has No Attribute 'to_datetime'

I created the following list comprehension in python: [int(a[0].internal_value).lower() if type(a[0… Read more Using If, Elif, Else In List Comprehensions, Python

So I have this command: PS C:\Users\lucas\OneDrive\Documents\3D\OpenRCT2\HotdogCycles> magick.ex… Read more Imagemagick Bash Command From Python Script

I have following problem. I need to differentiate DNS packets sent by my application from standard … Read more Why Cannot Bind Socket To Localhost For Outgoing Request

I have this data which have outlier . How can i find Mahalanobis disantance and use it to remove o… Read more Multivariate Outlier Removal With Mahalanobis Distance

I have this tuple of tuples: TupleOfTuples = (('Venue1', 'Name1'), ('Venue1'… Read more How Can I Convert This Tuple Of Tuples Into A Count Of Its Elements?

I'm newbie of opencv and I have real need for detecting people/human within some images, I fi… Read more How To Correctly Use Peopledetect.py In Opencv?

I have some code in python 2.7 and I want to convert it all into python 3.3 code. I know 2to3 can … Read more How To Use 2to3 Properly For Python?

I want to merge two datasets by indexes and columns. I want to merge entire dataset df1 = pd.DataF… Read more Pandas- Merging Two Dataframe By Sum The Values Of Columns And Index

Is there a way to do the following in django's ORM? INSERT INTO mytable VALUES (1,2,3) ON DUPLI… Read more How To Do ...on Duplicate Key Update... In Django

My code is returning a type error when I try to implement a clustering algorithm. I have tried alte… Read more Returning Typeerror: 'list' Object Is Not Callable

My ultimate goal is to judge placeholder value. Now I can judge a placeholder by using the regular … Read more How To Compare Tensor Inside Tensorflow?

I have a user-interface, I made. It has Entry form and Treeview section. When I entry information, … Read more How To Save Information From The Program Then Use It To Show In Program Again (simple Programming)

I have followed the entire steps/format of codes(cross checked multiple times to be 100% sure they … Read more Tensorflow Object Detection Api Does Not Detect Objects Correctly/does Not Detect Objects At All

I am trying to create a multible voigt/Gaussian/Lorentizan-peak fit function with lmfit. Therefore,… Read more Different Constraints For Fit Parameter In Lmfit Model

I am trying to load an external command line program with Python and communicate with it via pipes.… Read more Python: Select() Doesn't Signal All Input From Pipe

I have read that everything in python is an object, and as such I started to experiment with differ… Read more Accessing Attributes On Literals Work On All Types, But Not `int`; Why?

If you're writing a library, or an app, where do the unit test files go? It's nice to sep… Read more Where Do The Python Unit Tests Go?

Is there an elegant solution to do this shell script in Python without importing os ? tput cup … Read more Tput Cup In Python On The Commandline

I know the difference between a .py and a .pyc file. My question is not about how, but about why Ac… Read more Why Is The 'running' Of .pyc Files Not Faster Compared To .py Files?

(note: I'm new to Python) I had a typo in a function call, and the project built, but crashed a… Read more Python Builds Ok Even With Typos In The Code?

I´m starting in python. I have four functions and are working OK. What I want to do is to save them… Read more Python - How To Save Functions

My aim is to create a random country generator, and the flag of the country that is picked will app… Read more How To Resize An Image To Fit The Label Size? (python)

import pandas import sys import os import csv import string f=open(myfile,'r') lines=f.rea… Read more Best Method In Writing A List To A Text File In Python?

I've used ImageDataGenerator and flow_from_directory for training and validation. These are my … Read more How To Use .predict_generator() On New Images - Keras

The following program uses {0} in a string, and I'm not sure how it works, it came up in an onl… Read more What Does {0} Mean In This Python String?

edit - It seems that I have made an error with the calculation of number of parts tested: lines = l… Read more Python Read File Into List - Edit

I am trying to run a Flask REST service on CentOS Apache2 using WSGI. The REST service requires a v… Read more Python Sqlite3 Operationalerror: Attempt To Write A Readonly Database

I work on windows 10 machine and I am using scapy for some project I am doing. When I use the sniff… Read more Scapy - Srp Doesnt Send My Packet To The Correct Network Interface

Is it possible to perform asynchronous queries against Microsoft SQL Server from Python (3.4), i.e.… Read more Is It Possible To Asynchronously Query Sql Server From Python (3.4)?

I have created a Python script that I want to run daily via a cronjob on an Ubuntu server. This is … Read more Why Does A Python Script Work From The Cli, But Not When Called From A Cron Job?

I'm not exactly sure what these modules are used for. I get that they split the respective url… Read more Python 3 : Why Would You Use Urlparse/urlsplit

I need a way to get a specific item(field) of a CSV. Say I have a CSV with 100 rows and 2 columns (… Read more How Can I Get A Specific Field Of A Csv File?

I have an issue when i compile a PyQt code with pyinstaller. I use this line to compile: c:\Anacond… Read more Error When Using Pyinstaller: Unicodedecodeerror: 'utf-8' Codec Can't Decode Byte 0xff

I have a dataset like this: I want to calculate the sum of apple_*_C,apple_*_Cr, apple_*_Cu in eac… Read more Sum Value In A Row Based On The Head Of The Columns

I'm having some issues with a Tkinter-based GUI. Basically the GUI creates lots of threads and … Read more Multithreading With Tkinter

Trying to learn more about DataFrames with practical example I am working on. I got a table of two … Read more Transpose Dataframe Pandas And Add A New Column

I'm new to Python and I'm still learning how to use. I have the follow dictionary: dic = {&… Read more How To Know If A Value Is Inside A Nested Dictionary?

I have my index.py in /var/www/cgi-bin My index.py looks like this : #!/usr/bin/python print '… Read more Setup Cgi-bin Server Python With Apache2.4.18

Example code: import numpy as np import math import time x=np.ones((2000,2000)) start = time.time… Read more Why Is Np.linalg.norm(x,2) Slower Than Solving It Directly?

I have Jupyter QtConsole installed in Ubuntu 16.04. How can I set default configuration like font f… Read more Setting Default Configuration For Jupyter Qtconsole

Got the below result c(a pandas dataframe)for some operations. My question is how to remove Name an… Read more How To Remove Dtype And Name From Resulting Pandas Dataframe

I found that you can't read from some sites using Python's urllib2(or urllib). An example..… Read more Python's Urllib2 Doesn't Work On Some Sites

This is my fourth python script, so please bear with my newbieness... I am writing a script that te… Read more Typeerror: 'int' Object Is Not Subscriptable In Equation

here is my code a = x_test[-1:] b = model.predict(a) c = model.predict(np.array([list(a[0,1:])+[b]]… Read more How Can You Get The Following(next) Value Of Stock Price(time Series) With List Using For Loop?

I just started developing with cherrypy, so I am struggling a little bit. In client side I am selec… Read more Send Back Json To Client Side

I have a very large dataset were I want to replace strings with numbers. I would like to operate on… Read more Replace String/value In Entire Dataframe