What we learn on projects: architecture, tools, traps, and what we solved.
Most CSPs in the wild are either too loose to matter or so strict the site breaks. Here is the one we ship, annotated.
Two years into the RSC era, the decision tree got simpler. Here is the one we apply, with the wrong answers we already paid for.
On-device LLMs are finally usable for production features. Where Gemini Nano wins, where Apple Intelligence wins, and the Hungarian-language gap.
Prisma shed the Rust engine, Drizzle hit 1.0. The decision is no longer about performance · it is about who owns the SQL.
Bun 1.2 is finally boring enough to run in production. Here is what we ship on it, what we still refuse, and the cutover checklist.
Speculation Rules makes internal nav feel instant · at zero JS cost. Here is the config we ship by default.
A production OTA pipeline is more than 'push a new .bin'. Here is the signed, staged, rollback-ready version we default to.
pgvector at 10M rows is not scary · if you pick the right index. HNSW vs IVFFlat, filter patterns, real numbers.
Push opt-in is at a 10-year low. Here is the prompt timing, copy, and re-permission playbook that actually lifts consent.
Prompt caching is the single biggest LLM cost lever in 2026. 4 patterns, real savings numbers, 2 gotchas worth knowing.
Free / pro / enterprise is a three-decision problem, not a template. Here is the frame that drives conversion lift.
OPC-UA is the right answer for IT/OT integration in 2026. Here is how we actually bridge Siemens S7 and Beckhoff PLCs to a cloud stack.
Rust for embedded has arrived · on Cortex-M, RISC-V, ESP32. Here is the honest decision frame we use on greenfield firmware in 2026.
~65% of iOS users decline tracking. Here's how we run product analytics for mobile apps anyway.
Agentic AI that can send email and move money is not just a chatbot. Here's the safe tool-use pattern we ship.
ASO for HU-first apps is different from the US playbook. Here's what actually moves HU organic installs.
Solana is not Ethereum-with-better-TPS. Seven differences that bite every team coming from EVM.
Hydrogen is a big lift vs liquid themes. Here's the revenue tier where it starts paying back, and the migration plan.
Building multi-tenant SaaS on Postgres? RLS is non-negotiable. Here's the playbook we ship.
Five Postgres migration mistakes that burned weeks of our time. Here's the fix for each, and what we now do unconditionally.
One sentence is enough. EN or HU.