A guide to React rendering fundamentals and how the React Compiler optimizes app performance.
Review of new RTL8159-based 10 GbE USB adapters that are smaller, cooler, and cheaper than Thunderbolt alternatives, with performance tests on various computers.
Debunking the myth that Safari is better for battery life than Chrome, citing real test data showing Chrome performed slightly better.
Explores profunctors in category theory, defining them as heteromorphisms between categories and their role in a double category combining functors and profunctors.
Daily tech news roundup covering AI, .NET, web development, and Microsoft tools for April 24, 2026.
DeepSeek V4 preview models offer frontier-level performance at a fraction of the cost, with up to 1M token context and open weights.
DeepSeek releases V4 Pro and Flash AI models, offering frontier-level performance at significantly lower costs.
Explores how Objective-C enums use FourCC codes as string-backed integer constants, with AVAudioSessionErrorCode examples.
A tool to convert milliseconds to seconds and minutes, created by Simon Willison to simplify LLM prompt duration conversions.
A tool to convert milliseconds to seconds and minutes, created by Simon Willison for LLM report durations.
Simon Willison's newsletter summary featuring tech posts on DeepSeek V4, LiteParse, and Agentic Engineering patterns.
Honker implements Postgres NOTIFY/LISTEN semantics for SQLite, enabling queues and streams with transactional outbox pattern.
Honker is a Rust SQLite extension implementing Postgres NOTIFY/LISTEN semantics for queues and streams.
Anthropic's postmortem on Claude Code quality issues reveals three bugs in the harness causing forgetfulness and repetition.
Anthropic's postmortem on Claude Code quality issues reveals three bugs affecting user sessions, including a memory-clearing bug causing forgetfulness.
How a single Go process on a gaming PC powers Bluesky's For You feed with SQLite and Tailscale.
How a single Go process on a gaming PC powers Bluesky's For You feed for 72,000 users using SQLite and Tailscale.
Explores an alternative microservices pattern: deploying the same service codebase across multiple platforms for local ownership and resilience.
How to use Deno via uvx without installing Node.js, enabling JavaScript/TypeScript execution for Python users.
Browser-based PDF text extraction using LiteParse, a spatial text parsing tool built on PDF.js and Tesseract.js.
