Python Guru

I have a csv file which has duplicate value in first column . I want to collect all value of second… Read more Group Data From A CSV File By Field Value

I am trying to make a spline to compute the derivative of a contour of a part of an image. The catc… Read more How To Insure Spline Goes Through Points

How can we extract the DataFrame using start and end dates and achieve this output? Input id start… Read more How To Extract A DataFrame Using Start And End Dates With Pandas

tl;dr I accidentally deleted my Python installation’s site.py file. Now, when trying to start Pytho… Read more Python Fails After Deleting Site.py

tl;dr I accidentally deleted my Python installation’s site.py file. Now, when trying to start Pytho… Read more Python Fails After Deleting Site.py

I have a datetime object. I want to print it as just number of seconds (i.e., 1 min 30.5 sec should… Read more Datetime: Print As Seconds

I am trying to create a custom registration form, but I don't really know how to do it since I … Read more How To Create A Profile Registration Form In Django?

from tkinter import * def _name_(): businessname=entry_bn print(busines… Read more My Tkinter Entry Box Is Printing .!entry Instead Of What Is Entered

I want to plot some timestamps (Year-month-day Hour-Minute-Second format). I am using the following… Read more Plotting Timestamps (hour/minute/seconds) With Matplotlib

I'm porting some code from Python 2 to 3. This is valid code in Python 2 syntax: def print_sort… Read more Python 2 Dict_items.sort() In Python 3

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

I am using pygame to make a simple game. I am having issues with circle collisions. I am getting th… Read more Pygame Circle Collision?

I am using pygame to make a simple game. I am having issues with circle collisions. I am getting th… Read more Pygame Circle Collision?

Does anyone know if there's an existing module/function inside Ruby to traverse file system dir… Read more What's The Ruby Equivalent Of Python's Os.walk?

Here is the original code I copied from Make Games with Python.2-Raspberry Pi, page 33: import pyga… Read more Is There Anything Wrong With The Python Code Itself?

I have a json file that I am using as a Dictionary in python. The json file is really long with 10… Read more How To Find And Replace A Part Of A Value In Json File

Im trying to make prediction with my own output. Im using Python Scikit-learn lib and Isolation Fo… Read more Outlier Prediction With Categorical Data In Pythons Scikit-Learn Lib

I wish to seek some clarifications on Unicode and str methods in Python. After reading some explana… Read more Noob Queries On Unicode And Str Methods In Python

I wish to seek some clarifications on Unicode and str methods in Python. After reading some explana… Read more Noob Queries On Unicode And Str Methods In Python

As I understand it ''.join(iterable_of_strings) is the preferred way to concatenate strings… Read more Why Is Concatenating Strings Running Faster Than Joining Them?