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Java nasceu no início dos anos 90, dentro dos escritórios da Sun Microsystems, principalmente pelas mãos de James Gosling e seu time. A ideia inicial
Everyone has a demo where the LLM agent works. Few people have an agent that keeps working when the MQTT broker times out mid-tool-call, when the loca
I build a Korean saju (BaZi) service. The whole pitch is that the numbers are computed deterministically and only the prose is written by a model, so
Por @zejuniortdr em Mar 21, 2026 👋 Bem-vindos, desbravadores! Hoje vamos explorar um dos aspectos mais poderosos e característicos de Rust:
I implemented the same agent with Spring AI and LangGraph — the boundary didn't move Part 6 findings of an experiment: building an LLM-powered suppo
We let people put a URL on a schedule: re-capture this page daily, weekly, or monthly, and email me only when it actually changes. Simple feature, one
The app keeps a person's notes and lists on a server, and the server is the only source of truth. The phone holds a read-only mirror, refreshed on eve
How to Build a Rust Raid Calculator That Players Can Actually Use In this article, “Rust” means the survival game by Facepunch, not the pr
A client pays for a subscription, then seconds later they decide to cancel it. Your payment provider sends two webhooks: "payment successful" then "su
This is the eighteenth and last post of a weekly build log for a 2D engine I am building solo. It does the inventory of what four and a half months ac
Protect your PDFs from unauthorized use with a single line of Java code. Adding an image watermark gives you a visual identifier that deters copying a
Part 1 of Engineering HaloLog: making high-performance telemetry claims reproducible and falsifiable. 23.9 ns/op is a dangerous number. It is precis
Falsifier first: if you can find a fourth production call site that builds a Transformation and reconstructs its target field differently from the thr
Scaling Kafka Consumers in Spring Boot: How We Cut Lag and Saved Latency When scaling high-throughput event-driven microservices in fintech
Every application has moments where one thing happens and several other things need to react. A user signs up — and now you want to send a welcome ema
I spent last weekend building a JSON toolkit in Rust under one rule: no third-party dependencies. Not "few". None. The [dependencies] table in Cargo.t
Watch the Youtube demo video above to see it in action. I wanted to explore how far I could push Go's concurrency model, so I built a full picture pro
Next.js has dominated the full-stack React space for years. TanStack Start is the first serious alternative built from scratch for the current era — t
Most developers focus on whether their application works. But before deploying a project, there are other questions worth asking: Are there exposed
TypeScript gives us a lot of confidence. We define types, interfaces, and function signatures. Our editor helps us catch mistakes before we even run