Turning Technical Reading Into Language Learning Notes
Many developers and knowledge workers read English every day. Documentation, GitHub issues, product updates, research papers, API references, blog pos…
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Digital Signatures: Format, Certificate, and Validation Policy Are Not the Same Thing
Digital Signatures: Format, Certificate, and Validation Policy Are Not the Same Thing The right move when a digital signature fails validation is don'…
lode: Reimplementing DVC's core in Go without breaking the format
lode: Reimplementing DVC's core in Go without breaking the format There's a type of open source project that earns my immediate respect: one that clea…
5 English Phrases Every Developer Needs for Code Reviews
5 English Phrases Every Developer Needs for Code Reviews Code reviews are one of the most communication-heavy parts of a developer's day. You're not j…
Digital signatures: format, certificate, and validation policy — three layers people constantly mix up
Digital signatures: format, certificate, and validation policy — three layers people constantly mix up I was deep in a validation error that made no s…
The benchmark that made me change my mind about Jakarta EE in 2026
The first table made me uncomfortable: on my machine, with the lab’s realistic workload, Embedded GlassFish seemed to beat Spring Boot. If I had publi…
Prisma Query Logging and PostgreSQL: Where the ORM Ends and the Database Begins
Prisma Query Logging and PostgreSQL: Where the ORM Ends and the Database Begins I turned on query logging in Prisma, watched queries rolling into the …
Next.js App Router caching: revalidate, dynamic, and no-store without the folklore
Next.js App Router caching: revalidate, dynamic, and no-store without the folklore I made the classic mistake: I slapped export const dynamic = 'force…
Why I Stopped Using useEffect to Sync State — and What I Use Instead
Why I Stopped Using useEffect to Sync State — and What I Use Instead I made a mistake that, I suspect, most teams working with React are still making …
Prisma Server Actions in Next.js 16: the patterns that work and the N+1 that sneaks up on you
Prisma Server Actions in Next.js 16: the patterns that work and the N+1 that sneaks up on you Next.js 16 shipped recently with App Router improvements…
Spring Boot 2026: Why Measuring Only Startup Time Is a Trap
There's a question that surfaces every time someone mentions GraalVM or Spring AOT in a technical meeting: how long does it take to start? It's the fi…
Prisma vs JDBC: the benchmark that almost made me blame the wrong ORM
There's a discussion that surfaces every time someone posts an ORM benchmark: "of course JDBC is faster, you're measuring the abstraction". They're ri…
HikariCP: the p95 that lies to you and how to read the real pool signals
HikariCP: the p95 that lies to you and how to read the real pool signals There was a version of this analysis that started wrong. I was looking at the…
pnpm workspaces: the CI cache that survived the fix and cost me 40 minutes per build
pnpm workspaces: the CI cache that survived the fix and cost me 40 minutes per build I finished my previous post convinced the monorepo was solid. Tes…
Spring Security with Spring Boot Actuator: the authorization model that survived the incident
Spring Security with Spring Boot Actuator: the authorization model that survived the incident 68% of security misconfigs in Spring Boot come from conf…
pnpm workspaces in a Next.js 16 monorepo: what the benchmark didn't measure and almost broke my CI
pnpm workspaces in a Next.js 16 monorepo: what the benchmark didn't measure and almost broke my CI Back in 1994, when my dad brought home an Amiga 500…
Spring Boot Actuator in Production: The Endpoints I Left Open by Accident and How I Closed Them
Spring Boot Actuator in Production: The Endpoints I Left Open by Accident and How I Closed Them I was reviewing the configuration of a Spring Boot 3.x…
pnpm vs npm vs yarn in 2026: I ran all three on my real monorepo and it forced me to change my mind
pnpm vs npm vs yarn in 2026: I ran all three on my real monorepo and it forced me to change my mind The correct answer for speeding up installs in a m…
Jakarta EE vs Spring Boot in 2026: I Migrated a Production Backend and the Tradeoffs Aren't What You'd Expect
Jakarta EE vs Spring Boot in 2026: I Migrated a Production Backend and the Tradeoffs Aren't What You'd Expect Jakarta EE 11 launched with a refreshed …
Clipboard API Fails in TypeScript: The 4 Cases Nobody Documents and How I Found Them in My Own Code
Clipboard API Fails in TypeScript: The 4 Cases Nobody Documents and How I Found Them in My Own Code Back in 2007, when I was 18 and managing web hosti…
Supply chain npm vs PyPI: I compared both simulations and the most dangerous vector isn't what everyone thinks
Supply chain npm vs PyPI: I compared both simulations and the most dangerous vector isn't what everyone thinks I'd just finished the PyPI post, closed…
After the Guardrail That Saved My Infrastructure: My Autonomous Agent Architecture in Production
After the Guardrail That Saved My Infrastructure: My Autonomous Agent Architecture in Production Why do we assume autonomous agents are going to fail …
npm audit isn't enough: I simulated a supply chain attack on my Node dependencies and found what the scanner can't see
npm audit isn't enough: I simulated a supply chain attack on my Node dependencies and found what the scanner can't see The right answer for protecting…
Mutex deadlocks in production: the patterns I found in my codebase and how I diagnosed them
Mutex deadlocks in production: the patterns I found in my codebase and how I diagnosed them It was 11:47 PM and the service wasn't responding. No pani…
Real guardrails for autonomous agents after one almost destroyed my infrastructure
Real guardrails for autonomous agents after one almost destroyed my infrastructure I'll be straight with you: yesterday's post about agents that deplo…
Async Rust Never Left MVP: I Validated It Against My Real Codebase and Found Exactly the Edge Cases That HN Post Predicted
Async Rust Never Left MVP: I Validated It Against My Real Codebase and Found Exactly the Edge Cases That HN Post Predicted 60% of projects that adopt …
Docker Compose in Production in 2026: I Ran My Real Stack for 30 Days and Here Are the Numbers
Docker Compose in Production in 2026: I Ran My Real Stack for 30 Days and Here Are the Numbers A docker-compose.yml in production is basically the nei…
Agents That Create Accounts, Buy Domains, and Deploy on Their Own: I Tested It Against My Real Stack — Here's What Broke (and What Worked)
Agents That Create Accounts, Buy Domains, and Deploy on Their Own: I Tested It Against My Real Stack — Here's What Broke (and What Worked) In 2007, wh…
I Trained My Own LLM from Scratch in 2025: What That Viral HN Tutorial Doesn't Tell You About the Real Cost
I Trained My Own LLM from Scratch in 2025: What That Viral HN Tutorial Doesn't Tell You About the Real Cost I was scrolling HN on a Tuesday night when…
Chrome Installed 4 GB of AI on My Machine Without Asking: I Inspected What It's Actually Doing and I Don't Like What I Found
Chrome Installed 4 GB of AI on My Machine Without Asking: I Inspected What It's Actually Doing and I Don't Like What I Found Why does Google assume 4 …