Andrés Morales, author at El Solitario

Diagram of the QUIC protocol as the transport foundation of HTTP/3

Programming

QUIC and HTTP/3: The Transport Protocol Replacing TCP

The QUIC protocol runs over UDP and eliminates the slow handshake of separate TCP plus TLS negotiations, letting HTTP/3 open connections in a single round trip or even zero. This guide explains how it works internally, how to test it with curl and nginx, and when it makes sense over HTTP/2.

By Andrés Morales, 2 months2 August, 2026 ago

Frame from a video generated with Seedance 2.5, ByteDance's AI model

Tech News

ByteDance Launches Seedance 2.5: 30-Second AI Video in a Single Take

ByteDance unveiled Seedance 2.5, its new video-with-audio generation model that doubles the maximum shot length to 30 seconds and adds multi-round extension, expanded multimodal referencing, and more precise editing. It’s already available on Jimeng AI and Doubao Pro, with API access announced for release soon through BytePlus ModelArk.

By Andrés Morales, 2 months2 August, 2026 ago

Person reviewing AI financial advice on a laptop

Artificial Intelligence

MIT Sloan: AI Gives Good Financial Advice, But Fails at Rebalancing

A MIT Sloan study compared the financial advice given by artificial intelligence against the real-life behavior of thousands of people over their entire lifetimes. The result: AI gets it right on savings and diversification, but still fails at rebalancing portfolios and reacting to unexpected events like job loss.

By Andrés Morales, 2 months1 August, 2026 ago

Programming

NetBSD 11.0 Ships With Three Open Security Flaws, Not Hidden

The NetBSD project released version 11.0 on August 1, 2026, publicly acknowledging three unpatched security flaws. Instead of delaying the release further, the team documented the issues and promised NetBSD 11.1 within two months.

By Andrés Morales, 2 months1 August, 2026 ago

Diagram of the CORS policy blocking a request between two different domains

Programming

CORS: why the browser blocks your cross-domain requests

CORS is the policy that decides whether the browser hands over an API response to a script running on another domain. This guide explains the preflight mechanism, the exact headers you need, and the most common configuration mistakes.

By Andrés Morales, 2 months1 August, 2026 ago

Terminal running ripgrep, the tool affected by the musl segfault from issue 3494

Tech News

Ripgrep 15.2 on musl: A calloc Segfault Emerges After 1.8M Files

An open issue in the ripgrep repository documents a musl segfault that appears when searching trees with millions of files under high concurrency. The problem lives in mallocng, musl’s allocator, and has already been detected in the binary distributed by OpenAI Codex.

By Andrés Morales, 2 months1 August, 2026 ago

Flint visualization language by Microsoft depicted in a diagram

Artificial Intelligence

Flint: Microsoft’s Visualization Language Built for AI

Microsoft published Flint, a declarative visualization language designed for language models to generate charts without writing JavaScript. We cover its approach, how it compares to Vega-Lite and D3.js, and how to try it today.

By Andrés Morales, 3 months1 August, 2026 ago

Diagram of the SCAN, LOOK, and RSR elevator algorithms in an office building

Tech News

SCAN, LOOK, and RSR: How Algorithms Decide Which Elevator Picks You Up

An interactive article from john.fun examines how the SCAN, LOOK, and Otis RSR elevator algorithms decide which cabin answers each call. The most striking finding: destination kiosks, despite having more information, tend to give worse wait times than traditional buttons.

By Andrés Morales, 3 months31 July, 2026 ago

AI agents analyzing data on a laboratory screen

Artificial Intelligence

Princeton: AI Agents Master Technical Tasks, Not Open-Ended Science

A Princeton study distinguishes two types of tasks for artificial intelligence agents: research engineering, where they perform well, and open-ended science, where they still fall short. The difference marks the next barrier to overcome before we can talk about autonomous artificial scientists.

By Andrés Morales, 3 months31 July, 2026 ago

Diagram of stacked pull requests being reviewed layer by layer on GitHub

Programming

GitHub Launches Stacked Pull Requests in Public Preview

GitHub rolled out stacked pull requests to public preview on July 30, 2026: each layer of a large change gets reviewed as an independent PR, and the whole stack merges with a single click. The feature already works from github.com, the CLI, the mobile app, and agents like Copilot.

By Andrés Morales, 3 months30 July, 2026 ago

Andrés Morales

Developer and AI researcher. Writes about language models, frameworks, developer tooling, and open source releases. Covers ML papers, the tech startup ecosystem, and programming trends.