Javascript

Table of Contents Introduction: Why Stripe for Your SaaS Core Concepts: Understanding Payment Processing Setup: Getting Started One-Time Payments: The Foundation Subscriptions: The SaaS Backbone Webhooks: Listening to Stripe Events Customer Management: Building Relationships Security: Protecting Your Business Testing: Getting It Right Production Checklist: Going Live Resources: Your Arsenal Introduction: Why Stripe for Your SaaS Stripe is the payment infrastructure that powers millions of businesses worldwide. For SaaS founders, it’s the gold standard because: ...

Table of Contents What is Supabase? Setting Up Your First Supabase Project Database Fundamentals Authentication (Auth) Row Level Security (RLS) Realtime Subscriptions Storage (File Uploads) Edge Functions Building a Complete SaaS Application Production Best Practices Resources What is Supabase? Supabase is an open-source Firebase alternative built on PostgreSQL. Think of it as your entire backend in a box: PostgreSQL Database: A real, powerful SQL database (not a limited NoSQL solution) Authentication: Email, OAuth, magic links - all handled for you Realtime: Live data updates without writing WebSocket code Storage: File uploads with CDN delivery Edge Functions: Serverless backend logic Auto-generated APIs: REST and GraphQL APIs created automatically from your database Why Supabase for SaaS? ...

Using OpenAI APIs in frontend code is risky — exposing your API key is a security hazard. The solution is a Cloudflare Worker that acts as a secure proxy. Your frontend calls the worker; the worker calls OpenAI with your key. The key stays secret. This guide is beginner-friendly, ELI5 style, and gradually moves to advanced techniques like streaming, caching, and rate-limiting. Beginner: Why You Need a Proxy Imagine you have a magic key that unlocks a powerful AI genie. If you give that key to everyone, anyone can spend your genie’s wishes. That’s what happens if you put your API key in frontend code. ...

Chrome extensions allow you to deeply customize and enhance your browsing experience. Whether you want to modify webpages, create productivity tools, automate tasks, or publish to the Chrome Web Store, extensions provide a powerful yet beginner-friendly platform. This guide takes you from the fundamentals to a fully functioning extension, using Manifest V3, the current standard for Chrome and Chromium-based browsers. Understanding the Chrome Extension Architecture Every Chrome extension is built from the following core components: ...