Top 7 Featured DEV Posts of the Week

Welcome to this week's Top 7, where the DEV editorial team handpicks their favorite posts from the previous week.

Congrats to all the authors that made it onto the list 👏

Who Moved My Cookies? Of Cookies On Subdomains

Jen Chan ・ Jul 9

#cookies #webdev #http

@jenc walks us through a frustrating debugging session where cookie authentication failed on subdomains due to browser security restrictions.

Getting Started with Docker Offload

Bobby ・ Jul 10

#docker #devops #cloud #programming

@bobbyiliev introduces Docker Offload, a new feature that brings cloud execution to your local development flow.

Server-Side Geolocation Filtering in Laravel with the Haversine Formula

Eduar Bastidas ・ Jul 6

#laravel #php #geolocation #webdev

@mreduar demonstrates how to implement efficient distance-based queries in Laravel using the Haversine formula for great-circle distance calculations.

How To Synchronize threads In Go.

Sk ・ Jul 8

#webdev #tutorial #beginners #go

@sfundomhlungu explains thread synchronization concepts using Go's mutex system, comparing mutexes to traffic cops that control access to shared data.

The DevEx Audit

Ben Link ・ Jul 10

#devrel #devex #leadership #workplace

@linkbenjamin presents a systematic approach to improving developer experience through structured auditing rather than abstract discussions.

The hidden costs in your package.json

Anisha Malde for Amazon Appstore Developers ・ Jul 11

#javascript #react #reactnative #npm

@anishamalde reveals how JavaScript library choices can significantly impact app performance, especially on resource-constrained devices like Fire Sticks.

How I Built an Agentic RAG Application to Brainstorm Conference Talk Ideas

Shivay Lamba for Couchbase ・ Jul 8

#programming #ai #couchbase #python

@shivaylamba details building an AI-powered system that combines real-time web research with historical conference talk data to generate unique KubeCon talk proposals.

And that's a wrap for this week's Top 7 roundup! 🎬 We hope you enjoyed this eclectic mix of insights, stories, and tips from our talented authors. Keep coding, keep learning, and stay tuned to DEV for more captivating content and make sure you’re opted in to our Weekly Newsletter 📩 for all the best articles, discussions, and updates.