“What do I need on my final?” — I shipped a calculator suite without the signup wall

July 30, 2026 · Dev.to

Your Scraper Works Locally but Returns 403 on a Server. Here's Why.
Key takeaways A request is judged on many layers at once — IP reputation, TLS fingerprint, HTTP/2 shape, headers, and ho
The Productized Service Pivot
In November 2021, my SaaS had 12 users, $340 in monthly revenue, and a runway measured in weeks. I'd spent seven months
AI Consent Ledger: Stop Voice Agents From Ignoring Revoked Permission
A voice agent can sound polished, respond instantly, and still create a trust incident in one sentence: “Stop calling me
Your chatbot is a second door onto your content
Building a RAG chatbot has become a well-marked exercise: split the content into chunks, compute embeddings, search by s
If you're using Render's free tier and your backend keeps sleeping, this simple workaround has kept my Flask API alive without paying for upgrades. Hope it saves someone a few hours.
Stop Your Render Backend From Sleeping Every 15 Minutes (100% Free Fix) Rishu Rishu