What we learn on projects: architecture, tools, traps, and what we solved.
Six prompt-cache patterns. Real before/after numbers. Most agents leave 60-80% on the table. Fix it this week.
v2 of the LLM Top 10 reorganised around how teams actually get hit. Here is what moved, what is new, and the default controls we ship.
Stripe Tax handles the calculation. The 'Hungarian VAT compliant invoice' part is on you. Here is the full chain we ship.
BRIN is rumoured. Then someone tries it on a random column and concludes it is slow. We benchmarked the right shape · here is what actually wins.
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.
One sentence is enough. EN or HU.