Visionary Vibes

Debugging Hell: One Bug That Nearly Crashed Our Launch 💣 Debugging Hell: One Bug That Nearly Crashed Our Launch Published: 20/06/2025 – Behind the Scenes Series #3 🚨 The Crash That Didn’t Make TechCrunch (But Almost Made Us Quit) Three days before launch, everything was on track… until we realized that new users weren’t being saved to the database . The app was showing a “Signup successful” message — but behind the scenes, nothing was saved. Users tried logging in again and were met with… silence. It was like they never existed. 🧵 How It Unfolded (A Real Timeline) T–72 hours: Suspicion One teammate said, “Weird, I just signed up but I’m not showing in the users table.” We checked. They were right. The auth record existed, but no user profile row. T–60 hours: Panic Our signup logic used a chained `.then()` call after a Supabase signup: signup(email, password).then(() => { createUserProfile(email); }); But `...

PromptCraft Series #8 – Building AI Apps: Real Use Cases ✨ PromptCraft Series #8 "Building AI Apps: Use Cases from Real Projects" 🗕️ New post every Monday 🚀 Why This Matters Prompt engineering powers real, revenue-generating AI apps — and many of them are built by small teams or solo creators using no-code tools. In this post, we break down 5 working use cases , with real prompts and implementation tips. 🧠 1. AI Tutor App (Personalized Study Assistant) What it does: Explains topics, asks quiz questions, tracks learning. You are a helpful, friendly study assistant for high school students. Explain this topic in simple terms: [topic]. Then ask 3 quiz questions and wait for answers. Input: Topic Prompt block + chat format Tracks session history with memory Tools: Lovable + Firebase 📋 2. Invoice Summarizer (For Finance Teams) What it d...