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n8n Web Scraping + Webhooks Starter Kit: 10 Building Blocks
Build a compliant, resilient n8n scraper starter kit: webhook triggers, proxy rotation, headless browsing, dedupe, and Supabase/Postgres storage with ready workflow patterns.
UUIDs as Primary Keys in MySQL: A Practical Guide
When to use UUIDs as MySQL primary keys, how B+ trees react, why CHAR(36) hurts, and better options like BINARY(16), UUIDv7, ULIDs, and Snowflake IDs.
What Is Multitenancy? Rails Examples for SaaS
Clear definition of multitenancy vs user management, two patterns (row-level vs database-per-tenant), plus Rails examples using a School→Course→Lesson ERD and copy‑paste client answers.
How I’d Make It on Upwork: My 90‑Day Playbook
Broke even after 2 months on Upwork? Good. Here’s a 90‑day playbook to turn 1:1 LTV into real traction with profile, proposals, pricing, and automation.