What are Pre-Trained Models, Fine-Tuning, RAG, and Prompt Engineering? A Simple Kitchen Guide

April 11, 2026 · Dev.to

Built a TypeScript form validator from scratch to actually learn TypeScript!
I kept copy-pasting TypeScript without really understanding it. I am leading a project where a major chunk is written by
Page Proxy v0.2.x: the boring "polishing" work and why I think it matters
This is the second devlog for my Chrome/Firefox userscript manager extension, Page Proxy! Here I'm gonna cover v0.2.x, w
‘Changing of the guard’: Young family snaps up Carlingford home for $2m
Built in the 1960s, the three-bedroom house on a large parcel of land was in near original condition. After a contested
Costa Coffee 'hires bouncers to guard food and drink' as High Street battles shoplifting epidemic
The high street giant has supposedly hired security guards at dozens of its stores across the country which are facing r
Rory McIlroy dazzles and holds unprecedented Masters lead – greatness is on the horizon
The defending champion is heading for a second consecutive Masters crown after a scintillating second round