All
Articles 189,627Blog Posts 171,510Tech Tutorials 50,838Research Papers 36,786News 23,170
⚡ AI Lessons

Dev.to · Mike Jung
🔧 Backend Engineering
⚡ AI Lesson
14h ago
I Missed @Service in Node.js, So I Built It with Express
Let the browser console create the files At first, the browser console was only a...

Dev.to · Rudratosh Shastri
🔧 Backend Engineering
⚡ AI Lesson
1d ago
10 Years In, Everything I Was Proud Of As a Junior Was Wrong
A decade of backend engineering taught me that the things I thought made me good were the things holding me back. Here's what actually mattered.

Dev.to · Edgar Nahama Alochi
🔧 Backend Engineering
⚡ AI Lesson
3d ago
The Cost of Cleverness: A Backend Engineer’s Guide to Strategic Simplicity
There is a phase many backend engineers go through where making code shorter, smarter, and more...

Dev.to · Marc Keebler
🔧 Backend Engineering
⚡ AI Lesson
3d ago
Designing Better Backend Systems for Data That Cannot Be Lost
Some application data can be recreated without much trouble. A cached API response can be generated...

Dev.to · QuintonShaw1483
🔧 Backend Engineering
⚡ AI Lesson
3d ago
DNS Record Deletion in Node.js: List Identity Before Delete
Short answer: for a single DNS record deletion, list the zone, match exactly one record by name and...

Dev.to · Avery Lin
🔧 Backend Engineering
⚡ AI Lesson
4d ago
Compile HTTP Error Indexes From Exception Classes; Humans Own Recovery Copy
Generated error pages should list only codes, HTTP statuses, and source locations the parser can...

Dev.to · Gumbo Sveins
🔧 Backend Engineering
⚡ AI Lesson
5d ago
Auth Middleware Should Not Guard Payment Webhooks
You ship Clerk (or NextAuth, or a custom session matcher). Every /api/* route now requires a logged...

Dev.to · Prajwal Patil
🔧 Backend Engineering
⚡ AI Lesson
1w ago
How I Built Authentication in Go and React: Doing It Right
Every tech blog will tell you the same thing: don’t roll your own auth. It makes sense not to do that...

Dev.to · kathi beitz
🔧 Backend Engineering
⚡ AI Lesson
1w ago
How I keep a game companion site from lying to its readers
Game companion sites have a trust problem. A build guide can be correct on Tuesday, broken by...

Dev.to · Mihai Perdum
🔧 Backend Engineering
⚡ AI Lesson
1w ago
The @forge/bridge import that kills your resolver, and why nothing warns you
One unused @forge/bridge import in a shared file turns a Forge function from HTTP 200 into 424. It throws at import time, and forge lint stays silent.

Dev.to · hiro@
🔧 Backend Engineering
⚡ AI Lesson
1w ago
Comparing Promise.all, allSettled, any, and race when failure arrives first
When work can partially fail, decide which event should settle the aggregate Promise. Replacing...

Dev.to · Taylor Wang
🔧 Backend Engineering
⚡ AI Lesson
1w ago
The Worker Rejected Zulu Time. My 3.12 Laptop Never Saw the ValueError.
Have you ever watched a timestamp parse on your laptop and explode on the worker with the same bytes?...

Dev.to · JedidiahRhodes8293
🔧 Backend Engineering
⚡ AI Lesson
1w ago
Node.js DNS Evidence: When Application Logs Need Live Zone Reads
Use change events to prove what your B2B SaaS asked for, authoritative DNS snapshots to prove what...

Dev.to · NicodemusChristensen2675
🔧 Backend Engineering
⚡ AI Lesson
1w ago
Node.js DNS Upsert or Create Across 4 Provisioning Failure Modes
Short answer: use create when an existing DNS record is evidence of a conflict that must stop an...

Dev.to · Vlad B.
🔧 Backend Engineering
1w ago
What If Your Terminal Had an Infinite Canvas? Meet Fuse.
Let’s be honest: every software project eventually grows a collection of messy, fragile shell...

Dev.to · Yaseen Khatib
🔧 Backend Engineering
⚡ AI Lesson
1w ago
A reproducible memory-regression workflow for Node
Catching Node memory regressions before production: a repeatable load script, three heap snapshots, and reading retainer paths instead of guessing at the bigges

Dev.to · Ihtisham Khalil
🔧 Backend Engineering
⚡ AI Lesson
1w ago
Writing a real PNG compressor in vanilla JavaScript (no WASM, no libraries)
Every online image converter I tried had the same shape: drag your file in, it uploads to a server...

Dev.to · frank chu
🔧 Backend Engineering
⚡ AI Lesson
1w ago
The dev.to API can edit a published post. The quickstart never says so.
I published a post with a mistake in it and assumed the fix was manual. It isn't: PUT to the article id replaces the body in place, keeps the URL, and the react

Dev.to · Aleksandr Efimov
🔧 Backend Engineering
⚡ AI Lesson
1w ago
I pointed one Eloquent-style client at 62 public APIs. Here's how they answered.
At work I had a lot of external APIs to talk to from Laravel. Each one got its own little client, its...

Dev.to · onyxcross5743
🔧 Backend Engineering
⚡ AI Lesson
1w ago
How to Debug Rejected DNS Record Writes When Zone IDs Meet Domain Names in Go
Short answer: treat a zone identifier and a domain name as two different types, even when an API...

Dev.to · Taylor Wang
🔧 Backend Engineering
1w ago
I Trusted json.dumps for 48 Hours. The Idempotency Hash Followed Insertion Order.
Have you ever watched two JSON bodies print the same story and still fail a hash check? I did, and I...

Dev.to · Dakota Huang
🔧 Backend Engineering
1w ago
Refuse Versions the Index Never Served
You are three comments into a pull request that looks harmless. A helper grew a timeout. Someone...

Dev.to · orca_forge
🔧 Backend Engineering
1w ago
The angle between the head and chest was 0.000 in every frame: The time my motion tracking was broken
The angle difference between the head and chest was exactly 0.000° across the entire animation. After rebuilding the downstream process three times, I realized

Dev.to · Hamze Zare
🔧 Backend Engineering
1w ago
A stored-XSS report we couldn't quite reproduce, and hardened anyway
A researcher named Dhruv emailed us to report a stored XSS path: someone attaches a PDF with embedded...
DeepCamp AI