PyCoder’s Weekly | Issue #529

A First Look at PyScript: Python in the Web Browser
In this tutorial, you’ll learn about PyScript, a new framework that allows for running Python in the web browser with few or no code modifications and excellent performance. You’ll leverage browser APIs and JavaScript libraries to build rich, highly interactive web applications with Python.
REAL PYTHON

Understand Django: Debugging Tips And Techniques
Your Django app is up. You’ve got users. Your users are hitting bugs. How do you debug to fix the problems? This article dives deep into how to find and squish the bugs in your Django code.
MATT LAYMAN • Shared by Matt Layman

Connect, Integrate, & Automate Your Data—From Python, or Any Other Application or Tool
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Secure Password Handling in Python
Lots of applications require some form of authentication, password handling, or the use of secure credentials. What are the best practices in Python for dealing with this?
MARTIIN HEINZ

Python 3.10.5 Bug Release
CPYTHON DEV BLOG

Python Developers Survey 2021 Results
PYTHON SOFTWARE FOUNDATION

EuroSciPy August 29-September 2, Basel, Switzerland
EUROSCIPY.ORG • Shared by Darya Chyzhyk

Discussions

Raising Exceptions or Returning Error Objects in Python
Luke Plant’s article Raising exceptions or returning error objects in Python has folks weighing in.
HACKER NEWS

MicroPython: Python for Microcontrollers
HACKER NEWS

Python Jobs

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Articles & Tutorials

Build a Quiz Application With Python
In this step-by-step project, you’ll build a Python quiz application for the terminal. Your app will ask you multiple-choice questions that you can use to strengthen your own knowledge or challenge your friends to test theirs.
REAL PYTHON

Pandas Vectorization: Sometimes Slower with Bloated Memory
When you’re processing data with Pandas, vectorized operations can speed up your code. In some cases though, they can actually make it slower, or at least no faster and memory hungry. Learn when it is helpful and when it is harmful to use vectorization.
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Merge Faster with WorkerB for PRs Chrome Extension
The average pull request sits idle for two days! Add context to your PR & merge faster with WorkerB magic links. Get estimated review time, number of changes, & related issues in one click! Install it today →
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Write and Test a Python Function: Interview Practice
In this interview practice session, you’ll tackle creating a function that will double every character within a string. This challenge is typical of what you might encounter in a Python job interview. You’ll explore how to add tests to your code.
REAL PYTHON course

Dates And Times And Types
Dates and times in code can be more complicated than they first appear. Consider how datetime and date interact and how incorrect use can result in a TypeError even though they’re considered correct by type annotations.
GLYPH LEFKOWITZ

Understanding Sampling With and Without Replacement
Sampling can be done with and without replacement: when an item is sampled it may or may not be returned to the population for the next sample. Learn the differences and how it effects your statistical code.
MICHAEL GALARNY • Shared by Michael Galarnyk

Shipping to Production
“How you ship your code to production in a way that is fast and reliable, is a question more engineers and engineering leaders should educate themselves on.” Read on for a comparison between two extremes.
GERGELY OROSZ

Caching Connection Objects in Python
Three different mechanisms are common for having a single instance of a DB connection in your Python code: module level imports, the lru_cache decorator, or through singletons. See examples of each.
REDOWAN DELOWAR

Reach 100,000+ Pythonistas Every Week
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Random Python: Secrets and Random Values ​​Made Easy
Needing a random value happens a lot when you’re coding. This article describes different ways of getting random information in Python and how to choose amongst them.
JOHN LOCKWOOD

Handling Concurrency Without Locks
Through the use of an example Django web application, this article illustrates a variety of concurrency issues and how to handle them without locks.
HAKI BENITA

Projects & Code

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python-syntax-errors: Version Specific No-Ops
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libgravatar: Python 3 Interface for Gravatar APIs
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arsenal: Inventory & Launcher for Penetration Testing
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pikepdf: Read and Write PDF, Powered by QPDF
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django-pgpubsub: Distributed Tasks with Postgres NOTIFY
GITHUB.COM/OPUS10 • Shared by Paul Gilmartin

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