The daily ledger

datasette 1.0a40

Release: datasette 1.0a40 Same security fix as 0.65.5, plus some neat new features and bug fixes: Plugins can now launch and manage background tasks using the new datasette.add_background_task() method. Thanks, Alex…

datasette 0.65.5

Release: datasette 0.65.5 Security fix for an issue where a trailing newline in a requested table name could bypass table permissions and expose private rows, reported by dpfkdlemtp in GHSA-h547-rmjf-5m2m. Tags:…

Claude Cowork and chat are now one Claude

Claude Cowork and chat are now one Claude In hopefully good news for anyone who, like me, was increasingly confused at Cowork v.s. Claude v.s. Claude Code: Starting today, Claude Cowork and chat are merging into one…

Quoting Mustafa Suleyman

We should not treat models as though they have feelings, preferences, rights, or any entitlement to our welfare. Consciousness is the foundation of our ethical, legal, and political systems. To invite another entity to…

Ned Batchelder: Silence is golden lightning talk

This is a lightning talk I did at PyCon US 2026: Silence is Golden. The overall message is to leave some quiet time so that reluctant speakers have a chance to participate. I start with a jokey disclaimer because I…

A literal constructor for frozensets [EDIT: already discussed in a PEP]

Structures such as lists, tuples, dictionaries, etc., have literal constructors, assert [] == list() assert () == tuple() assert {} == dict() but frozensets do not. To distinguish this from a dictionary, and to expand…

#563: Getting Started with Rust as Python Devs

Lint the entire CPython code base from scratch. It takes 0.3 seconds. Three blinks of an eye. That is ruff, and it is written in Rust. So are Pydantic, Polars, uv, and Granian. Rust shows up in Python three ways: tools…

How to Make Linear Regression Survive Outliers

Robust Estimation Series: comparing classical and modern robust estimators through theory, code, and experiments The post How to Make Linear Regression Survive Outliers appeared first on Towards Data Science.

Silent Broadcasting Can Ruin Your Model

PyTorch and TensorFlow tensor broadcasting: how silent shape errors cause difficult-to-debug machine learning bugs The post Silent Broadcasting Can Ruin Your Model appeared first on Towards Data Science.

How to Review AI-Generated Python Code Efficiently

Learn an efficient workflow to review AI-generated code in Python: run ruff, mypy, bandit, and pytest, then catch the bugs agents get wrong.

Django Weblog: Executive Director Search Extended to September 22

We are extending the search for the Django Software Foundation's first Executive Director. Applications now close at the end of Tuesday, September 22, 2026, anywhere on Earth (AoE). As long as it is still September 22…

PyCharm: Behind the Scenes: How the OpenTelemetry Plugin Maps Your Microservices in Real-Time

The KV Cache Tax: Why Inference Servers Run Out of Memory Before Compute

A VRAM budget formula for LLM serving, and three optimization strategies mapped to the traffic patterns that trigger the OOM. The post The KV Cache Tax: Why Inference Servers Run Out of Memory Before Compute appeared…

Quiz: Python's Mutable vs Immutable Types: What's the Difference?

Find out how Python's mutable and immutable types behave, and see how mutability shapes lists, tuples, dictionaries, and your own classes.

The N Squared Pizza Problem

What ordering and not eating a large pizza tells us about ML memory management The post The N Squared Pizza Problem appeared first on Towards Data Science.

Speed Matters: fastlogging-rs

fastlogging-rs: High-Performance Logging for many different Programming Languages Logging is often the hidden bottleneck in your application. Every log.info(...) call can block your hot path, serialize your threads, and…

`unexpanduser` counterpart to `os.path.expanduser`

Hey. Would there be any interest in adding a counterpart for `os.path.expanduser` like: def unexpanduser(path): home_directory = os.path.expanduser("~") if os.path.isabs(home_directory) and os.path.isabs(path) and…

Django: serve the change password well-known URL

Adam Johnson explains how to implement the standard /.well-known/change-password URL redirect in Django using RedirectView, helping password managers direct users to their password change pages. He also covers testing…