Blog

Notes on software engineering. Search, or filter by category.

9 posts

Software Engineering 4

Meta1 Oct 2026· 1 min read

Hello, MDX

How this blog works, and a tour of the building blocks every post can use.

#mdx
#nextjs
#blog

TypeScript20 Sept 2026· 1 min read

Type narrowing in TypeScript

Let the compiler prove what a value is, instead of casting your way past it.

#typescript
#types

Performance12 Sept 2026· 1 min read

HTTP caching headers that matter

Cache-Control, ETag and when to ignore the rest.

#http
#caching

Architecture5 Sept 2026· 1 min read

A deliberately long title that keeps going to see how cards, headers and the browser tab cope with it on a narrow phone screen

A very long description. A very long description. A very long description. A very long description. A very long description. A very long description. A very long description. A very long description.

#a
#bb
#architecture
#distributed-systems
#consistency
#event-sourcing
#cqrs
#long-tag-name-number-one
#long-tag-name-number-two

AI Engineering 3

LLM28 Sept 2026· 1 min read

Evaluating LLM output without vibes

Build a small eval harness before you touch the prompt.

#llm
#evals
#testing

RAG24 Sept 2026· 1 min read

RAG basics: chunking and retrieval

Why most RAG failures are retrieval failures.

#rag
#embeddings

Performance18 Sept 2026· 1 min read

Prompt caching and latency

Cut cost and time-to-first-token by reusing the prefix.

#llm
#caching
#latency

Database Design 3

RAG24 Sept 2026· 1 min read

RAG basics: chunking and retrieval

Why most RAG failures are retrieval failures.

#rag
#embeddings

Performance22 Sept 2026· 1 min read

Designing indexes for real queries

Start from the query plan, not from the columns.

#indexes
#sql

postgres10 Sept 2026· 1 min read

SQL or NoSQL? Ask about access patterns

Category is spelled lowercase on purpose.

#sql
#nosql