DEV'S DAILY DIGEST

Development

How to Fix a Failing GitHub PR: Debugging CI, Lint Errors, and Build Errors Step by Step

While many guides explain how to set up Continuous Integration pipelines, not very many show you how to debug them when things go wrong across multiple...

qacheampong - freecodecamp

How to Merge PDF Files in the Browser Using JavaScript (Step-by-Step)

Working with PDFs is something almost every developer needs to know how to do. Sometimes you need to combine reports or invoices, or simply merge multiple...

Bhavin Sheth - freecodecamp

UX

The UX Designer’s Nightmare: When “Production-Ready” Becomes A Design Deliverable

In a rush to embrace AI, the industry is redefining what it means to be a UX designer, blurring the line between design and engineering. Carrie Webster explores what’s gained,...

Carrie Webster - smashingmagazine

Session Timeouts: The Overlooked Accessibility Barrier In Authentication Design

Poorly handled session timeouts are more than a technical inconvenience. They can become serious accessibility barriers that interrupt essential online tasks, especially for people...

Eleanor Hecks - smashingmagazine

Other

Product Experimentation for AI Rollouts: Why A/B Testing Breaks and How Difference-in-Differences in Python Fixes It

Your team shipped an LLM-based summaries feature to wave 1 workspaces at week 20 and now the post-launch doc is due. You need a causal effect number, a...

Rudrendu Paul - freecodecamp

How to Create a GPU-Optimized Machine Image with HashiCorp Packer on GCP

Every time you spin up GPU infrastructure, you do the same thing: install CUDA drivers, DCGM, apply OS‑level GPU tuning, and fight dependency issues. Same old...

Rasheedat Atinuke Jamiu - freecodecamp

3D Web Development with Blender and Three.js

Take your creative web development to the next level by building an interactive 3D cozy cafe portfolio from scratch using Blender and Three.js. We just posted...

Beau Carnes - freecodecamp

How to Handle Stripe Webhooks Reliably with Background Jobs

You've set up Stripe. Checkout works. Customers can pay. But what happens after payment? The webhook handler is where most payment integrations silently...

Magnus Rødseth - freecodecamp

How to Build an Automatic Knowledge Graph for Your Blog with PHP and JSON-LD

When someone searches for information today, they increasingly turn to AI models like ChatGPT, Perplexity, or Gemini instead of Google. But these models don't...

Shinobis - freecodecamp

Understanding Proxies and Reverse Proxies: Your Gateway to Secure Networking

As our lives become increasingly digital, the need for secure networking solutions is more important than ever. Whether you’re browsing the web or managing a...

Manish Shivanandhan - freecodecamp

The Evolution of Nvidia Blackwell GPU Memory Architecture

Each GPU generation pushes against the same constraint: memory. Models grow faster than memory capacity, forcing engineers into complex multi-GPU setups,...

Rasheedat Atinuke Jamiu - freecodecamp

How to Use PostgreSQL as a Cache, Queue, and Search Engine

"Just use Postgres" has been circulating as advice for years, but most articles arguing for it are opinion pieces. I wanted hard numbers. So I built a...

Aaron Yong - freecodecamp