AI & LLM
Running Claude Code CLI with DeepSeek-Reasoner
Jason Yang · 29 Dec, 2025
Use DeepSeek-Reasoner directly with Claude Code CLI via its Anthropic-compatible endpoint — no local proxy or router. Set a few env vars and switch models.
Blog posts — page 31
AI & LLM
Why Claude Appears in Your GitHub Contributors — and How to Fix It
Jason Yang · 28 Dec, 2025
Claude Code can add Co-authored-by metadata to your commits, causing Claude to appear in GitHub Contributors. Here’s why it happens and how to disable it.
AI & LLM
Extending Claude Code's Memory: Installing and Using claude-mem
Jason Yang · 26 Dec, 2025
Claude Code forgets everything when a session ends. Install claude-mem to persist context, fix common issues, and enable long-term memory for real workflows.
System Design
PostgreSQL TIMESTAMP WITH TIME ZONE: A Practical Guide for Global Services
Jason Yang · 20 Dec, 2025
PostgreSQL TIMESTAMP WITH TIME ZONE (timestamptz) normalizes everything to UTC and prevents timezone bugs that only surface in production. Here's why it should be your default and how to migrate safely.
System Design
PostgreSQL User Creation and Permission Setup
Jason Yang · 16 Dec, 2025
Secure PostgreSQL by separating admin and app roles: SQL scripts for schema hardening and automated permissions, for Cloud SQL, AWS RDS, or self-hosted.