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Alcides Fonseca

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Posts

Is sandboxing sufficient to contain rogue agents? – A Few Thoughts on Cryptographic Engineering

S3 flat

Is the sudoku difficulty the same for humans and AI?

ChinAI #374: China’s first AI-generated longform TV series

It’s the screens, stupid! - by Alexander Thompson

The expectations of privacy in driverless cars – Terence Eden’s Blog

Monopoly, Black Mirror Edition

Finetuning Qwen for a new Programming Language

An alignment assessment of recent cybersecurity incidents \ Anthropic

Designing for Dual Screen and Foldable Devices With CSS - Stephanie Stimac's Blog

Stack-based Genetic Programming is slow

HuggingFace's security.txt

Ending the Golden Era for Backward-Compatible Apps

Fall 2026 Recommendations for AI in Higher Education

Tailscale

Consumer protection and environmental impact

Bug blindness

Spaniards are having dinner earlier

TIL: Opening a 3 digit lock

Pitfalls of Benchmarking on Modern Systems

AeonBox: Logical Guardrails for Agents

If I were a Bank or a State CTO...

LG will start using user-replaceable batteries in their mice

LG will start using user-replaceable batteries in their mice

Multithreading bug in Numpy

Multithreading bug in Numpy

Someone found the zsh bug I was experiencing without knowing

Someone found the zsh bug I was experiencing without knowing

Paulo dual graduated!

Paulo dual graduated!

Egg, from hack to a framework

Egg, from hack to a framework

A new model for source control

A new model for source control

LLMs as a Time Machine

LLMs as a Time Machine

Como adicionar RAG à Amália

Como adicionar RAG à Amália

Introduction to AI Engineering

Introduction to AI Engineering

LLM April Inflection Point

LLM April Inflection Point

UK's NHS just got called to the principal's office

ArXiv introduces penalties on slop

Typography of the Future

LLM and Competency Impersonation

Why TUIs are back

Hanna Fry on (OpenClaw) Agents

You probably don't need git worktrees

The impact of LLMs on the Software Economy

O que se passa no ensino superior

Z3 Python in the Browser in 10 minutes

Needed updates to macOS

Flickr REST API design

Age-verification in Operating Systems and the Internet

Colin Brittain plays From Zero

As novas regras anti-endogamia são um tiro no pé

New Age Software Engineering

Scott Jenson on UI innovation

The internet isn't closed as Facebook

The comma trick

Overview of what has been happening to LLMs

The Guardian on Europe's dependency on US Big Tech

Feyman on Programming Languages

Polícia Municipal remove bicicletas de postes sem oferecer alternativa

It's the end of anonymity in open-source as we know it.

Uno Rules

TigerBeetle Code Style

Foundations for hacking on OCaml

To understand, you have to invent

My 2025 HN wrapped

2025 in Music

Simon Willison reinvents TDD

Needy programs

Text and Images activate the same regions of a multimodal NN

EU OpenSource Funding

Peer Review is Dead

Caught Stealing asks not to steal

Familiarity-Driven Design

ATProto vs Mastodon

Rodney Brooks of iRobot fame

Portal das Autárquicas

Wargames (1983)

Google Workspace and Email Authentication

Universidades contornam limites de propinas com taxas e taxinhas

Reddit will block the Internet Archive

Leon Ingelse on AI and Scheduling Optimization

Using AI to get an answer

Pypy and Flask