Category "python"

How to solve Matrix Riccati ODE in python

I want to solve the following Matrix Riccati ODE. My Matrix Riccati ODE After searching on the Internet, I found that there is something called continuous-time

Django processing form input name

I have changed the input's name attribute to some custom name, but the view calls form_invalid method. Why my Form isn't saving (validating)? html: <tr>

get list of lists from dict of lists by grouping elements at same index in every key-value pair [duplicate]

I have a dictionary a = {'a':[1,2,3],'b':[4,5,6]} Now, I wish to convert it into a list of lists such that [[1,4],[2,5],[3,6]] i.e. the

Create function that takes in IP or DNS name and pings it

Having trouble writing a python script that will ping an IP or DNS name from the command line. The function needs to return the IP and the time to ping it as a

Having an issue plotting: Columns must be same length as key

I'm new to Python and I'm trying to adjust this code to my data: import random import pandas as pd import numpy as np import matplotlib.pyplot as plt import mat

Set "selected" tag in responsive dropdown and select using Flask and jinja2

I have a flask server which sends a dictionary of options to a dropdown or selection (in form). Here is the Python code: @app.route("/", methods=['GET']) def in

Pandas groupby mean - into a dataframe?

Say my data looks like this: date,name,id,dept,sale1,sale2,sale3,total_sale 1/1/17,John,50,Sales,50.0,60.0,70.0,180.0 1/1/17,Mike,21,Engg,43.0,55.0,2.0,100.0 1

Python - find pattern in file in max 4 lines of code

i have the following task. I have to find a specific pattern(word) in my file.txt(is a song centered on page) and to print out the row number + the row which ha

Why do new variable names need to be on the left of the equals (=)?

I am curious as to why a certain format produces an error while the other doesn't. Code that works: name = input().split() if len(name) == 3: first_name, mid

Can't set default image django

I was create a profile for user. I done set up all the Media and Static. But when I set default and upload_to in image field, it error not found image. I had tr

'WordListCorpusReader' object has no attribute 'add'

enter image description here Code: import re import nltk nltk.download('stopwords') stopwords = stopwords stopwords.add('will') wordcloud = WordCloud(width = 3

Python tkinter - Display all the checkbuttons selected

I created a GUI with 2 input boxes and a list of checkbuttons (derived from list 'a') with scroll. Now, I want to display all the checkbuttons which have been s

Determine the exact error of a long python line

I have long lines in my code such as: if (currentExcelDep[excelPackageName]== depDataCollection[depDataCollectionSet][depDataCollectionSetElement][excelPath] an

Python - browser pages managment

I am using Google Chrome and I need to find a way of finding on existing window and existing page way of interaction with it ( clicking on something and all tha

Writing charcters in the csv files instead of writing the sentence

I want to save my data in the CSV format, I have some sentences and I want to save every sentence in a different row, but the output is like this: This is my c

Sequence analysis for the frames in a video

I am currently working on the sequence analysis for the frames in a video. I got the predictions from the neural network. Now, I want to find the error rate of

ModuleNotFoundError: No module named 'scikits.talkbox'

i am importing from scikits.talkbox.features import mfcc from scipy.io import wavfile but getting this error: ModuleNotFoundError: No module named 'scikits.tal

inputing a list of tuples into a dictionary - python programming

I'm taking a MOOC on introduction to python programming, and have no idea how to proceed with one of the problem sets on dictionaries. Could you please provide

Improperly configured error says I'll have to define env variable DJANGO_SETTINGS_Module .Please help me solving this problem [closed]

So I m just a newbie trying to learn django .. i was just trying to copy what Harry did(a youtuber who teaches code) but I got stuck right aft

How to convert YYYYMM to YYYY-MM datetime format without day?

I have two datasets that have monthly frequencies. For one of them,df, I had to aggregate some data to turn it from daily to monthly using the following code: d