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Tag: open-source

21
Aug 18 2026

What It Means to Be a Java Champion in 2026: The Real Criteria Behind the Recognition and Why I Care

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

10′
Jul 11 2026

Swiper: the touch slider that won't wreck your sprint

Swiper has been the undisputed standard for touch carousels on the web for years. Zero dependencies, official wrappers for React, Vue and Angular, and transitions that feel genuinely native.

Jul 11 2026 · 5′ · Experiments · React · open source

5′
Jul 02 2026

Sniffnet: monitor your network without losing your mind to tcpdump

Sniffnet is a cross-platform network traffic monitor written in Rust. Real UI, real-time charts, no security PhD required to understand what's actually going on.

Jul 02 2026 · 5′ · Experiments · networking · open source

5′
Jun 29 2026

XGBoost: the gradient boosting that dominated Kaggle and survived the hype

XGBoost isn't a trend — it's the algorithm that won hundreds of ML competitions on tabular data. Why it's still the mandatory reference in 2025 and when you should reach for it.

Jun 29 2026 · 5′ · Experiments · machine learning · open source

5′
Jun 26 2026

PyTorch: the deep learning framework that won the war

PyTorch showed up in 6 independent awesome lists and the reason is simple: it won. This isn't hype — it's infrastructure. Here's why it made our list and when it actually makes sense to use it.

Jun 26 2026 · 5′ · Experiments · machine learning · deep learning

5′
Jun 23 2026

TensorFlow: the ML elephant that's still standing

TensorFlow isn't sexy in 2025, but it's still the serious infrastructure behind deployment at scale. Why it made the list and when you actually need it.

Jun 23 2026 · 5′ · Experiments · machine learning · deep learning

5′
Jun 22 2026

npm Dependencies: How to Evaluate a Library Before Shipping It to Production

Adding an npm dependency isn't just installing code — it's taking on its maintenance, its attack surface, and its transitive deps. Here's the checklist I run before adding any package to a serious TypeScript project.

Jun 22 2026 · 9′ · Tutorials · TypeScript · pnpm

9′
Jun 21 2026

lode: Reimplementing DVC's core in Go without breaking the format

lode reimplements DVC's hot path in Go with a non-negotiable invariant: byte-identical compatibility with DVC 3.x. Static binary, parallel hashing, state DB that avoids re-hashing. No migration, no lock-in. But pipelines are out of scope and benchmarks have context. Here's why that perimeter is an honest technical decision, not a limitation to hide.

Jun 21 2026 · 7′ · Experiments · machine learning · open source

7′
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′

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.

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.

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.

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