n8n Tutorial – Zero to Hero Course

💻 Source Code: https://cwa.run/nodebase 🎨 Free Assets: https://cwa.run/node-assets 🎥 Part 2: https://youtu.be/S-4DrLHtL1s?si=n4a7jM4FUWf9NN32 📚 Resources: Try Inngest: https://cwa.run/node-inngest Try Polar: https://cwa.run/node-polar Try Better Auth: https://cwa.run/node-auth Try Sentry: https://cwa.run/sentry Try CodeRabbit: https://cwa.run/node-rabbit Try Neon: https://cwa.run/node-neon In this tutorial, we're building Nodebase, a complete workflow automation platform from scratch. You'll learn how to create a visual drag-and-drop canvas for building workflows, integrate multiple triggers and AI providers, handle background job execution, and build a full SaaS business layer with authentication, subscriptions, and paywalls. We'll also cover error tracking with AI monitoring and a professional Git workflow with AI-powered code reviews. Key features: 🔄 Visual workflow builder 🎯 Trigger nodes (Webhook, Google Form, Stripe, Manual) 🤖 AI integrations (OpenAI, Claude, Gemini) 💬 Messaging nodes (Discord, Slack) 🌐 HTTP request node ⚡ Background job execution with Inngest 💳 Polar payments & subscriptions 🔐 Better Auth authentication 🎨 React Flow canvas 🗄️ Prisma ORM + Neon Postgres 🔒 Type safety with TypeScript + tRPC 🐛 Sentry error tracking + AI monitoring 🧑‍💻 CodeRabbit PR reviews 🌐 Next.js 15 App Router 📱 Production-ready SaaS Timestamps 00:00 Intro 06:05 01 Setup 29:33 02 Database 56:15 03 tRPC Setup 01:35:21 04 Authentication 02:37:24 05 Theme & Styling 02:55:05 06 Background Jobs 03:28:09 07 AI Providers 04:01:53 08 Error Tracking 04:27:54 09 Sidebar Layout 05:06:26 10 Payments Setup 05:44:04 11 Workflows Crud 06:45:20 12 Workflows Pagination 07:34:34 13 Workflows UI 08:23:40 14 Workflow Page 08:59:36 15 Editor Setup 09:50:42 16 Node Selector 10:40:32 17 Editor State 11:59:20 End of Part 1

Learn how to use the OpenAI's Assistants API to build powerful AI assistants. In this course, we'll explore how to leverage the Assistants API by OpenAI to create dynamic, intelligent web apps using Streamlit. What we'll cover: 1️⃣ Function Calling with the API: Learn to seamlessly integrate the Assistants API into your applications, enabling advanced AI functionalities right at your fingertips. 2️⃣ Knowledge Retrieval: Discover how to use the API to extract information, answer questions, and make your applications smarter and more responsive. 3️⃣ Code Interpreter Capabilities: Dive into the API's ability to interpret and generate code, a game-changer for automating tasks and enhancing your app's capabilities. 4️⃣ LLM Fundamentals: Gain a solid understanding of Large Language Models (LLMs) and how they form the backbone of OpenAI's Assistants API. This module demystifies the technology and provides a foundation for advanced application development. The course features a series of hands-on projects and real-world examples to apply what you've learned. By the end of our session, you'll have the skills and confidence to build your own intelligent web apps using Streamlit and OpenAI's Assistants API. ⭐️ Code ⭐️ Personal trainer: https://github.com/pdichone/vincibits-personal-trainer-assistant Personal trainer: https://github.com/pdichone/vincibits-personal-trainer-assistant Study-Buddy: https://github.com/pdichone/vincibits-study-buddy-knwoledge-retrieval ✏️ Created by @vincibits Twitter (X): @buildappswithme ❤️ Try interactive AI courses we love, right in your browser: https://scrimba.com/freeCodeCamp-AI (Made possible by a grant from our friends at Scrimba) ⭐️ Contents ⭐️ ⌨️ (0:00:00) Introduction ⌨️ (0:01:02) What’s This Course About - What Will You Learn? ⌨️ (0:01:33) Pre-requisites ⌨️ (0:02:44) Python and Dev tools Set up ⌨️ (0:04:22) VS Code Installation ⌨️ (0:05:31) OpenAI Account - Generate an API Key ⌨️ (0:07:53) What is the Assistants API & Benefits - Comparison Between the Chat Completion API and the Assistants API ⌨️ (0:18:16) Assistants API Building Blocks ⌨️ (0:24:04) Creating an Assistants API - Manually (Personal Trainer) ⌨️ (0:38:20) Creating an Assistants API - In Code (Personal Trainer) ⌨️ (1:04:15) Build a News Summarizer Introduction: Function Calling - A Streamlit Application ⌨️ (1:25:39) Create an AssistantsManager Class For our News Summarizer ⌨️ (2:10:46) Using the AssistantManager Class to Create an Assistant and run it as a Streamlit App ⌨️ (2:28:23) Knowledge Bases Retrieval Tools - How it Works & Introduction to Embeddings ⌨️ (2:35:25) Build a Study Buddy Streamlit Application ⌨️ (3:22:24) Run the Study Buddy Streamlit Application and Test ⌨️ (3:29:27) Wrap up and Final Considerations. 🎉 Thanks to our Champion and Sponsor supporters: 👾 davthecoder 👾 jedi-or-sith 👾 南宮千影 👾 Agustín Kussrow 👾 Nattira Maneerat 👾 Heather Wcislo 👾 Serhiy Kalinets 👾 Justin Hual 👾 Otis Morgan 👾 Oscar Rahnama -- Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://freecodecamp.org/news

Level up your system design skills! This course progresses from foundational concepts to production-ready systems, covering databases, scaling, and load balancing. Learn practical techniques for building and securing APIs, including RESTful and GraphQL. Course developed by @hayk.simonyan ❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: https://scrimba.com/freecodecamp ⭐️ Contents ⭐️ - 0:00:00 Introduction - 0:03:05 Single Server Setup - 0:07:12 Databases: SQL, NoSQL, Graph - 0:13:32 Vertical vs Horizontal Scaling - 0:16:22 Load Balancing - 0:25:08 Health Checks - 0:28:00 Single Point of Failure (SPOF) - 0:31:01 API Design - 0:47:17 API Protocols - 0:59:10 Transport Layer: TCP, UDP - 1:04:22 RESTful APIs - 1:19:04 GraphQL - 1:24:52 Authentication - 1:45:51 Authorization - 1:57:02 Security 🎉 Thanks to our Champion and Sponsor supporters: 👾 @omerhattapoglu1158 👾 @goddardtan 👾 @akihayashi6629 👾 @kikilogsin 👾 @anthonycampbell2148 👾 @tobymiller7790 👾 @rajibdassharma497 👾 @CloudVirtualizationEnthusiast 👾 @adilsoncarlosvianacarlos 👾 @martinmacchia1564 👾 @ulisesmoralez4160 👾 @_Oscar_ 👾 @jedi-or-sith2728 👾 @justinhual1290 -- Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://freecodecamp.org/news

Learn all about Claude Code. This is the ultimate guide to turning Anthropic’s Claude into a seamless part of your development workflow. Whether you're scaffolding a brand-new project or navigating a complex, multi-file codebase, this is how you code faster without sacrificing quality. 🔗 IMPORTANT LINKS 🔬 Practice with Hands-On Labs: https://kode.wiki/claude-code 🎓 Get the Full Course here: https://kode.wiki/claude-code-course ❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: https://scrimba.com/freecodecamp ⭐️ Contents ⭐️ 0:00:00 Introduction 0:00:30 Prerequisites and Initial Setup 0:09:25 Start your first session 0:23:58 Understanding Codebases with Claude 0:32:21 Installing Claude on Ubuntu Virtual Machines 0:49:34 Building a project from scratch 0:49:34 Getting project ready for public release 0:56:49 Creating Unit Tests for our Project 1:03:20 Autonomous Task Completion 1:17:11 Environment and Configuration Management 1:30:17 Managing Long Sessions Effectively 2:07:52 Writing Effective Development Prompts 2:23:39 Multi-file Project Navigation 2:32:10 Working with APIs and External Services 2:46:16 Initial Project Analysis 2:56:24 Design Pattern Implementation Review 3:05:50 SOLID Principles Evaluation 3:24:04 Error Handling & Resilience Audit 3:36:04 Exception Flow Analysis 3:52:12 Resilience & Fault Tolerance 3:53:09 Code Quality Metrics & Standards 4:02:17 Code Duplication Detection 4:12:14 Naming Conventions & Readability 4:19:23 Test Coverage & Quality Analysis 🎉 Thanks to our Champion and Sponsor supporters: 👾 @omerhattapoglu1158 👾 @goddardtan 👾 @akihayashi6629 👾 @kikilogsin 👾 @anthonycampbell2148 👾 @tobymiller7790 👾 @rajibdassharma497 👾 @CloudVirtualizationEnthusiast 👾 @adilsoncarlosvianacarlos 👾 @martinmacchia1564 👾 @ulisesmoralez4160 👾 @_Oscar_ 👾 @jedi-or-sith2728 👾 @justinhual1290 -- Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://freecodecamp.org/news

Visit sintra.ai/leonvanzyl or use my promo code leonvanzyl at checkout to receive limited time offer of 72% off on all plans 🚀 Free resources: source code, prompts, workflows + peer discussion https://skool.com/leonvanzyl 🧪 Agentic Labs: AI coding courses, live Q&A, weekly builder challenges, direct access to me + a serious builder community https://skool.com/agentic-labs OpenCode is the open source coding agent that is quickly becoming a serious alternative to Claude Code. In this opencode tutorial, you will learn how to install OpenCode, connect free AI models through OpenCode Zen or premium providers like OpenAI, and master advanced features including agent skills, sub agents, MCP servers, and background agents. ⏱️ CHAPTERS: 00:00 - OpenCode intro and overview 00:39 - Installing OpenCode in seconds 01:25 - Connecting providers and OpenCode Zen 02:20 - Free AI coding models walkthrough 03:46 - Scaffolding a Next js project 04:55 - Subscriptions vs API keys 06:00 - Connecting OpenAI and GPT 5 07:30 - Installing agent skills from skills sh 10:30 - AGENTS md memory file setup 13:00 - Sub agents and context window protection 15:30 - Design system for consistent UI 15:50 - Sponsor message 18:00 - Building the AI Project Planner app 22:30 - Saving plans for future sessions 24:30 - Creating custom sub agents 28:30 - Playwright MCP server setup 30:30 - Auto testing the app with browser MCP Business & sponsorship enquiries: leon.vanzyl@gmail.com #opencode #agenticcoding

Learn the Go programming language in this full course for beginners. You'll practice writing performant, idiomatic Go with these hands-on lessons and challenges. 💻 Code: https://github.com/bootdotdev/fcc-learn-golang-assets 💻 Follow along interactively on Boot.dev: https://boot.dev/learn/learn-golang ✏️ Course created by @bootdotdev 🐦 Follow Lane on Twitter: https://twitter.com/wagslane 🔗 Learn back-end on Boot.dev: https://boot.dev 🔗 Need help? Join the Boot.dev Discord: https://boot.dev/community Documentation used: 🔗 Chi router: https://github.com/go-chi/chi 🔗 Goose migrations: https://github.com/pressly/goose 🔗 Text instructions for the project: https://boot.dev/build/blog-aggregator ⭐️ Contents ⭐️ (0:00:00) Intro (0:03:17) Ch 1. Why write Go? (0:27:39) Ch 2. Variables (0:51:11) Ch 3. Functions (1:16:58) Ch 4. Structs (1:34:36) Ch 5. Interfaces (2:00:26) Ch 6. Errors (2:22:01) Ch 7. Loops (2:48:21) Ch 8. Slices (3:39:54) Ch 9. Maps (4:06:19) Ch 10. Advanced functions (4:31:03) Ch 11. Pointers (4:48:02) Ch 12. Local development (5:31:43) Ch 13. Channels & concurrency (6:07:38) Ch 14. Mutexes (6:30:56) Ch 15. Generics (6:38:38) Ch 16. Quiz (6:43:13) P1. RSS aggregator project (6:53:43) P2. Chi router (7:11:37) P3. Postgres database (7:39:10) P4. Authentication w/ API keys (8:18:28) P5. Many to many relationships (8:39:13) P6. Aggregation worker (9:05:28) P7. Viewing blog posts 🎉 Thanks to our Champion and Sponsor supporters: 👾 davthecoder 👾 jedi-or-sith 👾 南宮千影 👾 Agustín Kussrow 👾 Nattira Maneerat 👾 Heather Wcislo 👾 Serhiy Kalinets 👾 Justin Hual 👾 Otis Morgan -- Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://freecodecamp.org/news ❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: https://scrimba.com/freecodecamp