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I tested Seeker Envelope with a real wallet: predictions, a free spin, missions, Gacha, IOUs and governance. The value is the loop; the risk is in its boundaries.
August 24, 2026 · 10′ · Architecture · Solana
Read moreThe difference between npm and pnpm isn't install speed. It's a different storage model — content-addressable store vs a folder tree — and that model matters based on project size, not on what's trendy.
Aug 29 2026 · 8′ · Tutorials · Next.js · pnpm
Docker's HEALTHCHECK is information, not a routing guarantee. If Kubernetes or Swarm isn't reading it, your container can be "healthy" and still keep taking requests that are going to fail.
Aug 28 2026 · 7′ · Tutorials · docker · devops
Yesterday I left a detail hanging: it's not that "something" blocks the carrier thread. There are exactly two scenarios, documented in JEP 444, and if you migrate legacy code without knowing them, pinning is going to explain why your virtual thread pool isn't scaling the way you expected.
Aug 28 2026 · 7′ · Tutorials · concurrencia · java
Spring Boot Actuator exposes more by default than most teams realize. The difference between an endpoint that's useful for monitoring and a map of environment variables handed to an attacker comes down to a decision almost nobody makes explicitly: allowlist versus disabling what looks obvious.
Aug 23 2026 · 8′ · Tutorials · spring-boot · java
TigerFS is the storage layer TigerBeetle uses to guarantee total determinism. It's not competing with ext4 or btrfs: it solves a very specific problem in high-consistency financial systems.
Aug 22 2026 · 8′ · Tutorials · rust · sistemas distribuidos
Java Champion isn't an academic title or a corporate badge. It's recognition of community contribution — and in 2026, quality technical content in Spanish is an undervalued and completely legitimate contribution. My declared goal and the real criteria behind the program.
Aug 18 2026 · 10′ · Tutorials · open source · spring-boot
Stateless JWT isn't the universal answer tutorials promise. If your system needs immediate revocation or fine-grained auditing, state isn't the enemy — it's the solution. Here's the decision framework I use in real identity systems.
Aug 18 2026 · 9′ · Tutorials · seguridad · JWT
Fonts lie. Noroboto documents how the text subsystem can return incorrect metrics and proposes mitigations in Rust. Before you copy it into production, you need to understand what problem it actually solves, where the common recipe breaks down, and what reproducible experiment is actually worth runn
Aug 17 2026 · 8′ · Opinion · linux · sistemas
Architecture, real systems, product decisions and technical lessons. Everything reviewed with my own judgment before it ships.
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