Questions tagged [python]
Python is an interpreted, general-purpose high-level programming language whose design philosophy emphasizes code readability. Use the python tag for all Python related questions. If you believe your question may be even more specific, you can include a version specific tag such as python-3.x.
15,075
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Extract column values from pubsub output using apache beam in python
I am trying to extract data from the PubSub subscription using Beam and finally, once the data is extracted I want to do some transformation. Currently, it's in bytes format. I have tried multiple ...
5
votes
2
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125
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Check validity of string, used return False too often? (CS50 plates.py)
Firstly, yes I'm a beginner. The code does function correctly but it looks ugly and I'm unsure if it is easily readable.
I think my issue is the fact I've used 'return False' 5 times in a single ...
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17
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Python code for Timetable generation needs to be reviewed for the error [closed]
this code is to generate a time table for the school.
import random
class SchoolTimetable:
def init(self, num_teachers, teacher_subjects, teacher_classes, periods_per_subject):
self.num_teachers = ...
-4
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0
answers
27
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Shrinking my pygame draft creating acceleration for sprites when a key is pressed [closed]
I did a test program that simulates acceleration of a sprite when the key is pressed the velocity increases until a max speed is reached. When no key is pressed a slow deceleration is occuring. The ...
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1
vote
1
answer
42
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Rewritten Python script to split Insyde H2O firmware files
I’ve recently tried to update my Lenovo laptop’s firmware without installing Windows. I haven’t done it yet, but during their research someone on Matrix linked me to this page (original source, ...
- 357
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0
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52
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Using another class's methods without inheritance but type hinted otherwise [closed]
I have a class which "inherits" str's methods using the __getattr__ dunder method instead of true inheritance. For ...
- 99
1
vote
3
answers
104
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Get list of dates that are the last day each month in a date range
What is a good way to get rid of these if/elif/else inside the for loop? How you would improve readability of it?
...
- 113
2
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1
answer
67
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How to better write this Python String manipulation
The following code creates a list of questions and options from a multiline string.
...
- 23
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1
answer
47
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Graph function in console
I created a program for drawing graphs of functions and want to hear ideas on "how to improve this program", because I'm only starting to write programs in Python. Would be very good to hear ...
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26
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im new to python and i was wondering why this wont add to anything over one [closed]
x = 0
if x == 0:
+ 1
if x>1:
print (">1")
else:
print("nope")
This is the code to the thing i am trying to program im just using a ...
-1
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0
answers
32
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Implementation for Continuous Bag of Words (CBOW)
I was doing this while learning NLP and this one is so slow I found that there is build in code in word2vec library and it finished in seconds while this code took around an hour for 3 ephocs (data is ...
1
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13
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Storing multiple PyTorch tensors of different shapes with names that are not known by advance
I need to create a container for instances of torch.Tensor of different shapes, where I can call them by their name.
It is a use case for a dict except that:
I don't want to rely on the heavy syntax ...
- 111
4
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3
answers
122
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Fully-functioning chess game in Python
This post is in succession to this question. I have implemented all functionalities like castling, en-passant, pawn promotion etc. 50 move rule and 3-move repetition is pending.
I would like my code ...
- 447
2
votes
0
answers
18
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Transfer data from a PLC on remote server into MQTT
Newbie here. I want to write a code that can open an SSH Tunnel for a remote server, then read out the data from a PLC and transfers it in JSON format via MQTT. This is my code, but I don't think this ...
- 21
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32
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TestAssignment class that checks for certain Git repository conditions
TestAssignment is a Python class designed to check certain conditions in a Git repository. It has several methods that check for the existence of required files, the initialization of a Git repository,...
- 31
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30
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Solving 2D Poisson Eq with Dirichlet BC's in Python [closed]
Question:
I am trying to solve the following PDE:
$$
\begin{align*}
u_{xx} + u_{yy}
=
\begin{cases}
- \cos(x) \quad -\pi/2 \leq x \leq \pi/2, \\
0 \quad \text{otherwise}
\...
- 177
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1
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73
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-1
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34
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Decorate functions such that the outer function flattens all its input arguments before passing those input arguments into the inner function [closed]
The code to review mostly at the bottom-end of this question.
Use cases are located at the top-end of this question.
Use Case One
...
1
vote
1
answer
76
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Making a game using python and pygame
I am making a game using python and pygame and as my game started to grow, in some of my classes the number of instance variables started to get big.
Like in the settings class is like this:
...
- 13
0
votes
1
answer
49
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Poetry Web Scraping in Python [closed]
I have a script that obtains urls that lead to a specific poem. This code current works and uses multiprocessing pools. I currently am getting restricted or blocked by some way from the website that I ...
- 3
1
vote
1
answer
35
views
Counting Ads in webpage using XPath and EasyList in Python
I have the following the function the retrieves a given webpage and returns the number of adverts that are on the page using a shortened version of EasyList (17,000 rules). Using multiprocessing, this ...
- 167
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1
answer
36
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HTTP scraper for Python Package
I'm trying to make my first Python package as a learning experience. There's a lot of things that I suspect I am doing poorly, but this post is specifically about my HttpRequest class. I made this ...
- 185
2
votes
1
answer
26
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URL link scraper and analyser
I recently wrote a testing tool (called plink) for retrieving all the links from a website (and then retreiving links from the linked pages, and so on).
Essentially,...
- 818
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2
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396
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Fourier Series of a given function
This is a very simple code that expresses a function in terms of Trigonometric Fourier Series and generates a animation based on the harmonics. I would like to know some ways to improve the ...
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2
answers
185
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Test generator I made for practice
Made this generator to practice using imports from other modules and better readability for coding. What could I have done better and what did I do wrong?
File called test_generator.py
...
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64
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1
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0
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29
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Search Stack Overflow and GitHub for code in a specified language
This code is designed to scrape Stack Overflow and GitHub, pulling information based on a user-specified programming language and processing the data into a format for AI learning.
It uses a number of ...
- 19
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votes
1
answer
62
views
Optimize system of equation function organizer with memory bottleneck in python
The Code
So i have the following function that just gathers a system of equations so it can be input into the standard solvers of scipy
...
- 113
1
vote
1
answer
71
views
password crack dictionary
I am very new to coding and I just jumped in and am trying some things.
I have been using the following code to create a password dictionary to crack wifi passwords with brute force but it will take a ...
- 11
3
votes
1
answer
56
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A simple web scraper for nature.com news articles
I have created a simple web scraper that fetches news article previews from nature.com and saves each article to a file containing the article preview text.
I am learning independently, so I would ...
- 31
3
votes
4
answers
530
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Built a function to search a dictionary using key or value
I'm building an error handler which handles different kinds of errors arranged hierarchically. As part of that, I need a way to figure out what errors to send a recipient based on what their ...
- 131
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2
answers
155
views
Reduce a list by filtering out repeated elements
I want to reduce a list to its sequence. Or I could say I want to remove duplicate neighbors in a list.
This Python code does what I want.
...
- 197
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32
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Object oriented programming design pattern in python
I have classes subclassing from sqlalchemy.orm.DeclarativeBase class, I want to implement a class to be used as a (crud manager) : a class with crud methods that ...
- 101
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0
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46
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Python script that parses GOG .hashdb files
I have some .hashdb files with names like goggame\-\d{10}\.hashdb in the installation folders in some of the games I have, and I want to extract information from ...
- 1,726
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votes
2
answers
80
views
Find the shortest distance between two letters
I've been tasked with finding the distance between two letters in the alphabet. Below is my solution. My main concerns are if there is any shorter way to do this, and if there are any edge cases I'm ...
- 9,719
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1
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26
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Fixing math library functions in Black-Scholes options pricing model
I've amended a code for the Black-Scholes formula for European pricing options found here at the bottom of the page and fixed the math functions accordingly. Unlike the code on the website, mine has ...
- 113
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1
answer
80
views
Finite difference estimation of partial derivatives for arbitrary grids in python
I am currently working on testing some codes on python to solve differential equations by finite differences, but some problems and equations i am dealing with are:
Too big to keep manually writing ...
- 113
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0
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45
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Choose and locate a word in PDF
This code searches helps to choose a word and locate the word in a PDF, by highlighting it, and drawing a box around it.
I found problem with the border of the rectangle, as it's thickness cannot be ...
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43
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Generic[type[Enum], Protocol[DataFrame]] Dataset with mapped to enum types
Below is my solution for managing multiple DataFrames, in an abstract enough way that it may apply to objects outside of a pandas.DataFrame hence the ...
- 628
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53
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Snake game with constant time complexity algorithm
https://github.com/speedrun-program/constant_time_snake_game
Memory efficient snake game with O(1) algorithm for snake movement and bug placement.
Three grids are used:
a grid representing the game ...
3
votes
1
answer
118
views
A simple stock exchange app
I've struggled to make a small stock project for almost 5 hours (biggest one so far).
The project is simple: I've chosen a stock (Tesla in my case) and I've decided to get a message on my phone with ...
3
votes
1
answer
90
views
Calculate overlap of two datetime objects
I would like to find out how much time lays in between 22.00 and 6.00 o’clock for a given event per day.
So if the event start at 21.00 and ends at 23.59 the result would be 1.59. For a start at 22.00 ...
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7
votes
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answers
289
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Mini project #1: Weight Converter
The goal of this program is to convert the given weight of the user LBS or KG into the opposite of what they used ex: 180lbs will convert to kg
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votes
1
answer
49
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number-guessing game - 1 through 30
I created this python number-guessing game and I have two concerns with it. The code works as intended with no flaws; however, I'm not too fond of the way I wrote it. It is messy, unorganized, and all ...
2
votes
1
answer
55
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pygame bullet spawner
I am currently making a game for myself and i have a lot of code in a function which does almost the exact same thing with some minor differences. I was wondering if there is an way to optimize this
...
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1
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Python script for get minimum product price having maximum reviews
Technical task.
user visits amazon.com website
user fills out a search field with the product name and activates
search ==>
a page with search results is displayed.
user looks for the product ...
- 21
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vote
2
answers
59
views
UI of a text-based game with simple print statements
I am writing a simple text adventure in python that will eventually have the capability of running other text adventures within it, but my code is all over the place and the UI is terrible. What are ...
- 11
1
vote
0
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38
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Object detection YOLO v1 loss function implementation with Python 3 and TensorFlow 2.x
About the code
Object detection YOLO v1 loss function implementation with Python + TensorFlow 2.x. It based on the Pytorch implementations below and re-implemented with TensorFlow based on my ...
- 111
2
votes
1
answer
71
views
Update an Excel master workbook with values from new workbook
I have a master .xlsx file on which other spreadsheets depend. Each week, I export a new .xlsx file (from MRP) that may or may not be the same as the master. The columns are always identical. Rows may ...
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