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⚡ AI Lessons
Dev.to · Rahul
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
How to generate an invoice PDF in Python (2 clean ways)
Two clean ways to generate invoice/receipt PDFs — a one-line API call, or pure-Python fpdf2 — plus the money-math mistake to avoid.
Dev.to · Rahul
🔧 Backend Engineering
1mo ago
The robots.txt mistake that hides your whole site from Google
A stray 'Disallow: /' can hide your entire site from search engines and nothing tells you. A free one-request check for robots.txt and sitemap.xml.
Dev.to · Rahul
🔧 Backend Engineering
⚡ AI Lesson
5mo ago
Go Slices: Why Your Function Isn't Changing What You Think It Is
A beginner-friendly visual guide to pass by value vs pass by reference in Go — using a real Fleet of Vehicles example. Diagrams, short code snippets, and 3 rule
DeepCamp AI