Marcin Piekarski 🇦🇺
@codewithmarcin
Coding since '98 from JS to React. I build projects & guide new devs. Follow for a journey of creation! 👨💻🛠️
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If you want to know more about a web page, you could go to DevTools or an SEO auditing tool. But what if you want instant info, without having to leave your browser? In this tutorial, Hitesh helps you build a Chrome extension that analyzes any web page using JavaScript and…
Nano Banana + N8N = AI Creatives Factory This AI system creates scroll-stopping visuals at scale using Google's newest image model. No designers. No agencies. No $50K creative budgets. Just endless professional-grade ads that look like top brands made them. Here's how it…
Announcing login․new, the fastest way to set up auth. Just pick your auth providers, and click Create Pull Request. that's it. Currently supporting all Next․js projects, with preliminary support for React and vanilla JS. Try it out!
New research shows which AI detectors actually detect work. The #1 has a < 0.5% false positive and negative rate. It works on text passed through "stealth" humanizers too and on new models like (GPT-5, Grok and Sonnet 4.5) too. It's called Pangram.
This ones kinda ridiculous... Drop a video idea in Google Sheets.... and do nothing. In seconds, a full YouTube video gets made, uploaded, and logged without you touching a thing. Follow + RT + reply “Post” and I’ll DM you the full setup for FREE
Important for Ai policy leaders and decision-makers understand the recent evidence of Ai models demonstrating self-awareness of when they’re being evaluated and adjusting their behavior. “Safety” is a mirage when Ai models recognize when they’re being watched.
When running evaluations of frontier AIs by OpenAI, Google, xAI and Anthropic for deception and other types of covert behavior, we find them increasingly frequently realizing when they are being evaluated. Here are some examples from OpenAI o-series models we recently studied:
Introducing Solito 5: A simplified way to share code between Next.js and React Native. → Pure Next.js on Web → react-native-web dependency dropped → Next.js 16 support → Expo 54 starter monorepo yarn add solito
The era of emotional voice AI begins. Meet Fish Audio S1 -
⚔️ New Tutorial Alert! Learn how to build modern, maintainable forms using the new @shadcn Field component + @tan_stack Form. Step-by-step, with explanations & official docs. Link below 👇
Introducing grounding with Google Maps in the Gemini API, bringing data about 250 million places and Gemini together to create all new experiences 🗺️! So powerful to connect things like maps + search together in a single experience : )
💥 Introducing Nodebase, a workflow automation platform like n8n, Zapier or Make. Every tutorial out there teaches you how to use automation apps, but what if you could build your own instead? 🚀 🔄 Visual workflow builder 🎯 Trigger nodes (Webhook, Google Form, Stripe...) 🤖…
🚀 Monorepo powered by Bun + Turborepo ✨ Next.js 15 (web) + Expo 54 (mobile) ⚡ React 19 on both 🎨 Shared UI components 🔥 NativeWind v5 + Tailwind CSS v4
🤔 Trump: I have a couple I don’t like, but I won’t tell you who. You’ll never find out who they are. Or maybe you will. 🇮🇹 Trump to Meloni: In the U.S., if you tell a woman she’s beautiful, your political career is over — but I’ll take my chances. You won’t be offended if I…
Ever wanted to build a B2B SaaS with AI functionality included? Well I have good news for you because i just released my best video yet 👀 Powered by: 🌍 @nextjs 15 App Router 👮♂️ @arcjethq Security (XSS, Rate Limits etc.) 🔒 Authentication & Billing with @HeyKinde 🧠…
Introducing the Gemini 2.5 Computer Use model, our new specialized model that powers agents capable of interacting with UIs blog.google/technology/goo…
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Your Complete Guide To Next.js Authentication With Better Auth
Better T Stack v3 is here 🥳 - fullstack Next.js support - internal packages (api, auth, db) - catalogs with bun and pnpm Try Now! bun create better-t-stack@latest
Announcing my new course: Agentic AI! Building AI agents is one of the most in-demand skills in the job market. This course, available now at deeplearning.ai, teaches you how. You'll learn to implement four key agentic design patterns: - Reflection, in which an agent…
Did you know there’s a right and wrong way to handle Data Access in Next.js? Well in this video I will show you the senior-level approach 🧑🍳
OpenAI just dropped the Apps SDK, built on MCP. This is the future of how users will interact with your apps. You won’t need to build a chatbot anymore. OpenAI is the chatbot. You just expose your tools through MCP. Exciting progress toward Jarvis!
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