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dotsamdotnet - Sam Alexander's web log

TIL

Today I Learned

Short notes on things I figured out, usually a paragraph and a link.

2026

Jun 24 Chrome File System Access API
Jun 23 PydanticAI v2 Capabilities Model
Jun 23 Plate Rich Text Editor
Jun 22 Screenplay Pattern for E2E Tests
May 21 Writing Specs Agents Can Execute
May 15 Linear Code Intelligence
May 08 JSON5 for Design Tokens
May 08 FaST Organizational Method
May 07 Orb Metering as a Service
May 04 OpenTelemetry Semantic Conventions
May 02 Outcome Based Sessions
Apr 30 Braintrust Spec as Guidelines
Apr 29 Tenets for Decision Making
Apr 28 Anthropic CLIO Log Analysis
Apr 27 MCPJam OAuth MCP Testing
Apr 14 Claude Code Session Inspection
Apr 07 S3 Filesystem Mount
Mar 19 Lat.md Markdown CI
Mar 10 Hamel Husain AI Engineering
Mar 06 Evaluating Agentic AI Contribution
Feb 13 Small Data Conf Talk
Feb 12 Ralph Wiggum Prompt Pattern
Feb 12 Lexicon LLM Eval Research
Feb 03 AI Events on the Radar
Jan 26 Encore.dev Backend Framework
Jan 23 RAG in the Age of Agents
Jan 14 Sprites.dev Sandboxing
Jan 13 Shreya Shankar and AI Evals
Jan 06 Chrome DevTools MCP Server

2025

Dec 17 AG-UI and TanStack AI Protocols
Dec 09 Agentic Development Evolution
Dec 02 Unstructured.io Multi-Source Ingestion
Nov 25 Temporal and SAGAS Pattern
Nov 20 ReBAC Relationship Based Access Control
Nov 18 DuckLake Data Lakehouse
Nov 18 Cloudflare 29M Errors Per Second
Nov 16 Pydantic AI Gateway
Oct 21 Haiku 4.5 is Sonnet 4 Cheaper
Oct 21 Anthropic Sandbox Runtime
Oct 13 Instructor Structured LLM Output
Oct 10 BaseHub Headless CMS
Sep 09 MSW for Testing MCP Auth
Aug 22 TypeScript DAG Orchestrators
Aug 20 Training Data Reduction with High Fidelity Labels
Aug 12 OpenAI Open Weight Models
Jul 31 Braintrust LLM Evals Platform
Jun 27 Lambda Architecture
Jun 27 Chezmoi Dotfiles Manager
May 01 When working with R2 as an "s3-compatible" endpoint – avoid multi-part upload…
Apr 17 What I really want is CSS for my copilot-powered IDE. Cascading rulesets tha…
Apr 16 Today I learned that I was one of the first 20,000 users on Github.
Mar 04 There are two ways to handle shutting down a client's AWS account.
Feb 19 A template databases is a database that serves as a template for creating new…
Feb 10 In music for media, chromatic mediants are a powerful toolkit. They shift be…
Feb 08 R2 is significantly cheaper than s3 for many of my key use cases:
Jan 31 I've adopted a process of using 'tenets' that I share across Aider sessions.
Jan 30 Make! Then discover failure! Then overcome failure!
Jan 29 There are no solutions, there are only trade-offs. […] But you try to get the…
Jan 28 Having had 10 years building PHP-based web apps, I professionally retired fro…
Jan 13 Repeat after me: Zip codes are CHARS not INTs.
Jan 06 If a python script causes a SEGFAULT, it will open the crash reporter in Mac OS.
Jan 05 uv has gotten my attention with its incredible speed.

2024