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William Oliveira

@1ilhas

Brazilian Software Engineer | Mentor | Book Writer | Speaker | Developing scalable frontend applications | posts in 🇧🇷, 🇬🇧, and 🇪🇸

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Latest posts by William Oliveira @1ilhas

TypeScript 6.0 RC is out 🎉

🔶 Temporal
🔶 Map#getOrInsert
🔶 RegExp.escape
🔶 #/ prefix for Package Imports

New defaults!
🔶 --target=ES2025
🔶 "use strict"
🔷 --strict

Deprecations!
🗑️ baseUrl, outFile
🗑️ import assertions
🗑️ `module` namespaces
🗑️ module: amd
🗑️ moduleResolution: node
🗑️ target: ES5

06.03.2026 19:49 👍 69 🔁 13 💬 1 📌 0
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codepen.io/beta

06.03.2026 20:15 👍 82 🔁 22 💬 3 📌 7
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Grammarly is using our identities without permission Grammarly’s AI stole my boss’s identity.

www.theverge.com/ai-artificia...

06.03.2026 21:57 👍 0 🔁 0 💬 0 📌 0
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It seems we can now customize the select element, right? right?!

Demo: codepen.io/t_afif/pen/P... via @codepen.io

02.03.2026 13:44 👍 369 🔁 82 💬 11 📌 13
Rendering 18,000 videos in real-time with Python How I used game engine tech to solve a video streaming problem

madebymohammed.com/pysaic

01.03.2026 07:39 👍 2 🔁 1 💬 0 📌 0
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I built a full-stack Python app using only local LLMs and the Model Context Protocol (MCP) Architecture beats scale. Every time.

www.xda-developers.com/how-to-build...

28.02.2026 19:15 👍 1 🔁 0 💬 0 📌 0
NoSubscription.org | One-Time Purchase Software Directory Discover the best one-time purchase, free, and open-source software alternatives to subscription-based tools. Own your tools forever.

nosubscription.org

28.02.2026 14:12 👍 0 🔁 0 💬 0 📌 0

Acho que estou me dando tão bem com os assistentes de código por conta da mentoria que faço desde 2014. Como eu estive sempre ensinando a galera com pouca XP, pouco contexto de código e pouco conhecimento técnico, fica muito fácil criar um prompt pros agentes

28.02.2026 09:07 👍 1 🔁 0 💬 0 📌 0
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Molly Crabapple @mollycrabapple.bsky.social on 60 Minutes
"Artist Molly Crabapple says AI art generators are scraping art from the web without artists’ consent. She calls it “the greatest art heist in history.” cbsn.ws/476QfIC%22

27.02.2026 17:12 👍 63 🔁 16 💬 1 📌 1
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Hands-on Coding Assistants — William Oliveira Notes about everything

Eu poderia estar matando, eu poderia estar roubando, mas eu venho por meio dessa compartilhar que agora esse conteúdo é uma série

O blog tem um novo menu hamburger no mobile e um drop-down para acessar as séries que eu vou publicando por lá

Espero que curtam

woliveiras.com/hands-on-cod...

27.02.2026 17:13 👍 3 🔁 0 💬 0 📌 0
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Scaling Localization with AI at Lyft Written by Stefan Zier

Scaling Localization with AI at Lyft

eng.lyft.com/scaling-loca...

27.02.2026 15:49 👍 0 🔁 0 💬 0 📌 0
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Using go fix to modernize Go code - The Go Programming Language Go 1.26 includes a new implementation of go fix that can help you use more modern features of Go.

"Go fix uses a suite of algorithms to identify opportunities to improve your code, often by taking advantage of more modern features of the language and library. In this post, we’ll first show you how to use go fix to modernize your Go codebase"

go.dev/blog/gofix

27.02.2026 15:48 👍 2 🔁 1 💬 0 📌 0
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Hands-on Coding Assistants — William Oliveira Notes about everything

A primeira parte está pronta!

Hands-on Coding Assistants // Module 00 — Foundations & Philosophy

woliveiras.com/hands-on-cod...

26.02.2026 13:22 👍 0 🔁 0 💬 0 📌 0
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How we rebuilt Next.js with AI in one week One engineer used AI to rebuild Next.js on Vite in a week. vinext builds up to 4x faster, produces 57% smaller bundles, and deploys to Cloudflare Workers with a single command.

"What if instead of adapting Next.js output, we reimplemented the Next.js API surface on Vite directly?"

blog.cloudflare.com/vinext/

26.02.2026 06:09 👍 2 🔁 0 💬 0 📌 0

PUTAQUEPARIU! Os caras da Open AI sabiam que a pessoa estava usando o chatgpt pra preparar um massacre, debateram internamente se deviam denunciar pra autoridade ou nao. NAO FIZERAM NADA e a pessoa pouco tempo depois cometeu um tiroteio na escola matando 8 pessoas

24.02.2026 02:26 👍 794 🔁 341 💬 4 📌 15

‘Study after study shows that students want to develop these critical thinking skills, are not lazy, and large numbers of them would be in favor of banning ChatGPT and similar tools in universities’, says @olivia.science

www.ru.nl/en/research/...

22.02.2026 21:45 👍 75 🔁 37 💬 1 📌 0
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"Made in EU" - it was harder than I thought. I tried building my startup entirely on European infrastructure. Here's the stack I landed on, what was harder than expected, and what you still can't avoid.

www.coinerella.com/made-in-eu-i...

23.02.2026 09:12 👍 0 🔁 0 💬 0 📌 0

Porque existe uma massa de desempregados que os patrões podem escolher contratar ou não, então podem criar barreiras sem sentido pra criar presão pra baixo.

21.02.2026 12:25 👍 7 🔁 1 💬 0 📌 0

Galera que usa a stack ARR pra fazer download legal (👀) de filmes e séries, vocês têm acesso/usam indexadores para filmes dublados que poderiam me passar/convidar?

22.02.2026 12:09 👍 0 🔁 0 💬 0 📌 0
Por que empregos básicos exigem anos de experiência?
Por que empregos básicos exigem anos de experiência? YouTube video by Futuro Econômico

youtu.be/yLEyJk3_ce4?...

21.02.2026 11:40 👍 1 🔁 0 💬 0 📌 1

The future of software engineering

www.thoughtworks.com/content/dam/...

19.02.2026 18:46 👍 0 🔁 0 💬 0 📌 0
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Alternativas Brasileiras - Descubra Produtos Digitais Brasileiros Descubra produtos e serviços digitais brasileiros como alternativa a soluções estrangeiras. Compare e encontre as melhores opções nacionais.

Descubra Alternativas Brasileiras

Ao contratar produtos e serviços digitais brasileiros, você ganha segurança jurídica, suporte local e conformidade com a LGPD, enquanto ajuda a construir um ecossistema tecnológico mais forte e independente

alternativas-brasileiras.com.br

18.02.2026 18:48 👍 4 🔁 1 💬 0 📌 0
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OpenClaw — Personal AI Assistant OpenClaw — The AI that actually does things. Your personal assistant on any platform.

Me desculpem mas eu não tenho coragem de instalar openclaw.ai no meu computador não.

O criador próprio disse que não escreveu uma linha de código sequer, ou seja ele nem sabe os possíveis problemas de segurança. A ideia é ótima, mas vou passar por enquanto

16.02.2026 07:26 👍 5 🔁 1 💬 0 📌 0
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Biome v2.4—Embedded Snippets, HTML Accessibility, and Better Framework Support Biome v2.4 is the first minor release of the year! After more than ten patches from v2.3, today we bring to you a new version that contains many new features!

Biome v2.4 is here!

✨ CSS & GraphQL formatting & linting in JavaScript
🎨 Major Vue/Svelte/Astro improvements
⚙️ Editor inline config
📊 Rule profiler
🏠️ The configuration discovery

And a lot more! biomejs.dev/blog/biome-v...

15.02.2026 17:13 👍 64 🔁 8 💬 3 📌 2
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Manipulating AI memory for profit: The rise of AI Recommendation Poisoning | Microsoft Security Blog That helpful “Summarize with AI” button? It might be secretly manipulating what your AI recommends.  Microsoft security researchers have discovered a growing trend of AI memory poisoning attacks used ...

www.microsoft.com/en-us/securi...

16.02.2026 08:08 👍 0 🔁 0 💬 0 📌 0
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GitHub - GBALATRO/balatro-gba Contribute to GBALATRO/balatro-gba development by creating an account on GitHub.

O open source é fantástico, véi!

github.com/GBALATRO/bal...

15.02.2026 07:55 👍 3 🔁 0 💬 0 📌 0
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Introducing Markdown for Agents Cloudflare's network supports real-time content conversion to markdown at the source.

This is a really nice new Cloudflare feature: on-the-fly markdown conversion. Tools like Claude Code send an "Accept: text/markdown" header when making web requests. If you enable this it, it will send these agents a markdown version of your page instead of the full HTML. Really good for docs.

12.02.2026 15:40 👍 101 🔁 16 💬 7 📌 6
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eu sou… O BATMAN????

14.02.2026 05:39 👍 110 🔁 8 💬 1 📌 0
Quem É o Homem que Odeia o Funk? Uma Análise Sociológica Incômoda
Quem É o Homem que Odeia o Funk? Uma Análise Sociológica Incômoda YouTube video by Filipe Boni

youtu.be/opYQdcVatR4?...

14.02.2026 05:51 👍 0 🔁 0 💬 0 📌 0
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The EU moves to kill infinite scrolling Brussels is going head-to-head with social media platforms to change addictive design.

The EU told TikTok to “change several key features, including disabling infinite scrolling, setting strict screen time breaks and changing its recommender systems. The demand follows the Commission's declaration that TikTok’s design is addictive to users.”

Now do the same for the US services!

13.02.2026 04:04 👍 244 🔁 42 💬 1 📌 9