From Dev.to Community
Tech Articles
Curated developer articles, tutorials, and guides — auto-updated hourly
Botnexio5d ago • 7 min read
Build a Discord bot with discord.js v14: app setup, your first slash command and keeping it online
Create a Discord application, register slash commands with REST and Routes, handle interactionCreate...
#discord#javascript#node#tutorial
3 0
Christian Vasquez6d ago • 6 min read
How I finally undestood what loosely coupled modules are
Photo by Glen Carrie on Unsplash The Intro Here goes another one of those "it...
#beginners#typescript#node#architecture
1 1
Reet Singh5d ago • 6 min read
Hijack Radar: your lockfile said you were safe. Your dependency graph knew better.
Monday, September 8, 2025 A maintainer of some of the most-used packages on npm gets an...
#cybersecurity#javascript#node#security
11 1
Seif Ahmed6d ago • 2 min read
I'm 13. I Spent 101 Days Building a Secure Social Network with Node.js 👨🏻💻
Hey dev community! 👋🏻 I'm Seif, a software engineer with 4 years of experience who absolutely hat...
#backend#javascript#node#showdev
11 0
Chaminade Dondah ADJOLOU2d ago • 5 min read
Retries Without Regret: Idempotency Keys in Spring Boot and Node
A popular DEV discussion recently asked to retry or not to retry. The honest answer is: retry, but.....
#springboot#node#postgres#backend
1 1
flisk1d ago • 4 min read
flisk.sh is one service.json, then the laptop starts
flisk.sh is a CLI. You describe each service in one service.json. flisk up writes the local wiring.....
#flisk#docker#node#devops
5 0
Gabriel Anhaia6d ago • 9 min read
Streamed LLM Responses Hide Their Token Count. Where Usage Lives in 3 TypeScript APIs
Stream an LLM reply and your cost log reads zero. Where OpenAI Chat, the Responses API and Anthropic...
#typescript#llm#ai#node
1 2
Carlos Martínez2d ago • 17 min read
Implementing DDD and Hexagonal Architecture in NestJS: A Complete Practical Guide
1. When a service starts doing everything A NestJS application often begins with a...
#softwareengineering#node#domaindrivendesign#hexagonalarchitecture
0 0
Carlos Martínez2d ago • 20 min read
Implementando DDD y Arquitectura Hexagonal en NestJS: Una Guía Práctica Completa
1. Cuando un servicio empieza a hacerlo todo Una aplicación NestJS suele comenzar con un...
#arquitecturadesoftware#arquitecturahexagonal#node#domaindrivendesign
0 0
Marius Trelea4d ago • 19 min read
Browser Cookies: What Are They, How Are They Used, and How Can They Be Stolen?
In this post, I’ll cover: What cookies are When and why cookies are used How cookies can be...
#security#infosec#node#go
5 0
Dinesh_gowtham2d ago • 9 min read
How to Run Claude‑Powered AI Code Review in CodeBuild: A Step‑By‑Step Guide
CI pipelines catch syntax errors, but they still let subtle logic bugs slip through. Pair Claude wit...
#codebuild#node#claude#aicoding
1 0
DevOps Daily1d ago • 21 min read
Node.js October 2026 Security Release: Finding Every Node You Actually Run
On 21 October 2026 the Node.js project released 22.23.4, 24.22.1 and 26.12.1. The headline fix is...
#linux#node#security#pm2
5 0
Lovix Clouds6d ago • 7 min read
I almost pasted my AWS key into ChatGPT, so I built a goblin to stop me
LeakGoblin is a free, local-only CLI that scans and redacts API keys, tokens and passwords before...
#node#security#opensource#ai
2 0
Abid Ali2d ago • 6 min read
Five Clients, Five Node Versions: Per-Project Toolchains with .nvmrc, Corepack and Docker Compose
Freelancing for several clients at once means living in several codebases at once. That part is fine...
#node#freelancing#docker#productivity
0 0
Chaminade Dondah ADJOLOU4d ago • 7 min read
Threads, Pools, Promise.all: Why Your Postgres Falls Over First (Spring Boot vs Node)
Two recent DEV posts describe the same incident from opposite sides of the stack. In one, a Spring.....
#backend#springboot#node#postgres
1 1
Accreditly6d ago • 8 min read
Screenshot Every Page of a Website from Its Sitemap with One Node.js Script
Read every URL from a sitemap, capture each page at desktop and mobile widths in real Chrome, and sa...
#webdev#javascript#node#tutorial
2 0
Gabriel Anhaia3d ago • 9 min read
Mean Pooling vs CLS: Watch Transformers.js Turn a Sentence Into an Embedding in Node
Open embed() in Node with Transformers.js: tokens, hidden states, masked mean pooling, L2. Then see ...
#typescript#rag#node#ai
0 0
Gabriel Anhaia5d ago • 9 min read
npm ci, pnpm, Symlink or APFS Clone: Time 5 Ways to Fill a Worktree's node_modules
A new git worktree has no node_modules. One script times npm ci, a warm cache, pnpm, a symlink and a...
#node#git#ai#performance
0 0
Gabriel Anhaia5d ago • 9 min read
Claude Haiku 5.5 Bills 5x for Prompts Over 100K Tokens. A Node Guard That Counts First
Haiku 5.5 charges 5x once a prompt passes 100,000 tokens. A TypeScript guard that counts first, trim...
#typescript#ai#node#testing
0 0
Gabriel Anhaia3d ago • 9 min read
Don't Tell Your Coding Agent 'Make It Faster.' Hand It a CPU Profile
'Make it faster' gets you guesses. Record a CPU profile with node --cpu-prof, condense it to a top-2...
#node#ai#performance#tutorial
0 0
Tom Yahav6d ago • 5 min read
I made Claude Code plans reviewable, and the hard part was waking Claude up
How plan-live turns a markdown plan into a live review page, the three engineering decisions behind ...
#claudecode#opensource#node#productivity
0 0
Waseem Anjum5d ago • 8 min read
Building an AI Automation Pipeline in Node.js with BullMQ: Queues, Retries and Rate Limits
Move LLM calls into a BullMQ queue: idempotent jobs, Retry-After aware backoff, rate limits, Zod-val...
#ai#node#typescript#redis
1 4
Tim Nguyen2d ago • 4 min read
Redis Cluster Explained: Hash Slots, CROSSSLOT Errors, Lua Scripts, and Pipelining
If you've used standalone Redis and then switched to Redis Cluster, you may have encountered this...
#redis#node#backend
1 1
Divya Shakti1d ago • 14 min read
AsyncLocalStorage Is Not a Security Boundary: Building Safer Multi-Tenant NestJS Applications
A practical distinction between carrying a tenant ID and deciding whether a caller may use it. ...
#nestjs#node#typescript#security
1 0