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Category: opinion

40
Sep 03 2026

DeepSeek Reasonix: A Technical Read on a Native Coding Agent with Aggressive Caching

DeepSeek Reasonix shows up as a native coding agent with aggressive caching and low cost. Before you adopt it or dismiss it, there's a more useful question: what specific problem does it actually solve in a real stack, and what reproducible experiment confirms that?

Sep 03 2026 · 9′ · Opinion · LLM · ia

9′
Aug 17 2026

Noroboto: Lying Fonts and Rust Mitigation — A Technical Read Without the Hype

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

8′
Jun 16 2026

How Memory Safety CVEs Differ Between Rust and C/C++

Rust has fewer memory CVEs than C/C++ — but that's not the whole story. My analysis of what that number actually says, what it doesn't, and how to turn it into a real technical decision.

Jun 16 2026 · 8′ · Opinion · seguridad · rust

8′
Jun 16 2026

My Homelab AI Dev Platform: What Problem It Actually Signals and Where the Limits Are

The homelabber community is building local AI dev platforms and the discussion is genuinely interesting. I have some observations that go beyond the initial excitement — and a checklist so you can decide whether the experiment is actually worth it.

Jun 16 2026 · 9′ · Opinion · TypeScript · LLM

9′
Jun 15 2026

The Birth and Death of JavaScript (2014): What Still Holds and What Doesn't

A 2014 talk predicted JavaScript would die, replaced by ASM.js. A decade later, JS is still alive — but the tension it identified is more real than ever. Here's what's worth extracting, what to ignore, and how to turn it into a concrete technical decision.

Jun 15 2026 · 9′ · Opinion · TypeScript · javascript

9′
Jun 15 2026

Formal Methods and the Future of Programming: What's Worth Trying and Where the Ceiling Is

Formal methods keeps surfacing on the technical radar as the solution the industry ignored. My read: the problem it points to is real, but the recipe floating around omits costs that change the equation entirely.

Jun 15 2026 · 9′ · Opinion · TypeScript · sistemas distribuidos

9′
Jun 15 2026

Rio de Janeiro's "Own LLM" Looks Like a Merge: What to Read Between the Lines

A municipality announces its "own" LLM and the technical community discovers it might be a merge of an existing model. My read: the real problem isn't the fraud — it's that almost nobody knows how to verify it. Here's the checklist.

Jun 15 2026 · 9′ · Opinion · LLM · open source

9′
May 17 2026

Show HN: Needle distilled Gemini tool calling into 26M parameters — technical read, zero hype

A 26M parameter model trained via Gemini distillation for tool calling showed up on HN and made me stop everything. Not to celebrate — to understand what real problem it points at, where the limits actually are, and whether it belongs in a stack like mine.

May 17 2026 · 8′ · Opinion · TypeScript · LLM

8′
May 04 2026

Agentic Coding Is Not a Trap: I Answered the Viral HN Post With My Own Production Logs

367 points on HN say agentic coding is a trap. I have logs that say something more uncomfortable: sometimes it saves 3 hours, sometimes it sends me down a 4-hour rabbit hole. The difference isn't the agent — it's the contract you sign before you send it to work.

May 04 2026 · 8′ · Opinion · produccion · railway

8′

Series

  • Open Data and Creativity2
  • Awesome Curated: The Tools11
  • Awesome Curated1
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Clusters

  • Software architecture
  • TypeScript in production
  • Security and operations
  • Agents and LLMs with judgment

Categories

  • Experiments99
  • Tutorials93
  • Opinion44
  • Reflections18
  • Technology8
  • History6

Tags

  • #TypeScript
  • #arquitectura
  • #nextjs
  • #railway
  • #java
  • #LLM
  • #postgresql
  • #ia
  • #prisma
  • #software-architecture
  • #firma-digital
  • #AI

Popular

  1. 01pnpm vs npm vs yarn vs bun: The Real Comparison Nobody Gives You in 2025
  2. 02Next.js App Router: The Guide I Wish I Had When I Migrated from Pages Router
  3. 03TypeScript: The Patterns I Actually Use Every Single Day
  4. 04Docker for Node.js Developers: From Zero to Production Without Losing Your Mind
  5. 05Your Digital Signing Cryptography Has an Expiration Date: What NIST Published and How to Migrate Your HSM

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Juanchi.dev is Juan Torchia’s public notebook — architecture, real systems and product decisions. Written and reviewed by hand in Buenos Aires. Built with Next.js, Prisma and PostgreSQL; deployed on Railway. No third-party trackers beyond aggregate analytics.

GitHubRSS© 2026 Juan Torchia · All rights reserved.

Real code. Unfiltered takes.

Architecture, real systems, product decisions and technical lessons. Everything reviewed with my own judgment before it ships.

230 articles published

Series

  • Open Data and Creativity2
  • Awesome Curated: The Tools11
  • Awesome Curated1
See all

Clusters

  • Software architecture
  • TypeScript in production
  • Security and operations
  • Agents and LLMs with judgment

Categories

  • Experiments99
  • Tutorials93
  • Opinion44
  • Reflections18
  • Technology8
  • History6

Tags

  • #TypeScript
  • #arquitectura
  • #nextjs
  • #railway
  • #java
  • #LLM
  • #postgresql
  • #ia
  • #prisma
  • #software-architecture
  • #firma-digital
  • #AI

Popular

  1. 01pnpm vs npm vs yarn vs bun: The Real Comparison Nobody Gives You in 2025
  2. 02Next.js App Router: The Guide I Wish I Had When I Migrated from Pages Router
  3. 03TypeScript: The Patterns I Actually Use Every Single Day
  4. 04Docker for Node.js Developers: From Zero to Production Without Losing Your Mind
  5. 05Your Digital Signing Cryptography Has an Expiration Date: What NIST Published and How to Migrate Your HSM

Newsletter

One email a week. What I'm learning, building, and breaking.

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