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News & links about Python programming.
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An Introduction to Testing in Python Flask

This article introduces testing in Flask, emphasizing its importance for code quality and streamlined development. It covers key testing areas like routes, business logic, database interactions, and provides practical examples using pytest, fixtures, mocking, and a focus on edge cases.

https://blog.appsignal.com/2025/04/02/an-introduction-to-testing-in-python-flask.html
Bootstrapping Python projects with copier

This article discusses using Copier to automate the process of bootstrapping Python projects. It covers setting up a project template with essential elements like README, license, changelog, project structure, documentation, Makefiles, uv support, and GitHub Actions to streamline project creation.

https://blog.dusktreader.dev/2025/04/06/bootstrapping-python-projects-with-copier/
Inside the CodeBot: A Gentle Introduction to How LLMs Understand Nullability

The article explores how large language models (LLMs) comprehend the concept of nullability in programming. It discusses methods for evaluating LLMs' understanding of nullable types and introduces techniques to probe their internal representations regarding null values.

https://dmodel.ai/nullability-gentle/
Shadowing in Python gave me an UnboundLocalError

This article discusses a common Python pitfall where shadowing a variable within a function can lead to an UnboundLocalError due to Python's scoping rules. It explains that if a variable is bound anywhere in a function, it's considered local to the entire function, even before it's initialized, which can cause unexpected errors.

https://ntietz.com/blog/pythons-shadowing-behavior-always-surprises-me/
no-code-architects-toolkit

The NCA Toolkit API eliminates monthly subscription fees by consolidating common API functionalities into a single FREE API. Designed for businesses, creators, and developers, it streamlines advanced media processing, including video editing and captioning, image transformations, cloud storage, and Python code execution.

https://github.com/stephengpope/no-code-architects-toolkit
Slipstream - a python library for stateful stream processing

https://slipstream.readthedocs.io/en/1.0.1/
Build a Desktop Sticky Notes Application with PySide6 & SQLAlchemy

This post provides a step-by-step guide to creating a desktop sticky notes application using PySide6, covering GUI setup, styling, and adding functionality like movable notes and a system tray icon. It explains how to build a simple, frameless note window, enable dragging, and manage multiple notes, with code examples for each stage.

https://www.pythonguis.com/examples/pyside6-desktop-sticky-notes/
Reproducing word2vec with JAX

This article reproduces the word2vec model using JAX, explaining the CBOW architecture and its implementation. It trains word embeddings and demonstrates how to find word similarities and analogies using the trained model, comparing it to modern text embeddings used in LLMs.

https://eli.thegreenplace.net/2025/reproducing-word2vec-with-jax/
memo

Memo is a simple command-line interface (CLI) tool for managing your Apple Notes (and eventually Apple Reminders). It’s written in Python and aims to offer a fast, keyboard-driven way to create, search, and organize notes and reminders straight from your terminal.

https://github.com/antoniorodr/memo