Your AWS Credentials Are Still on GitHub Even After You Delete Them
I thought deleting the file was enough. I was wrong. Here's what actually happens. Originally published on Medium — follow me there for more The Mista…
DevOps
⚑ Report a ProblemLatest DevOps news from Dev Signal
All topics
agents
ai
api
architecture
automation
aws
backend
beginners
career
cloud
devops
discuss
frontpage
gemini
github
javascript
linux
llm
machinelearning
mcp
nextjs
opensource
productivity
programming
python
security
showdev
softwareengineering
tutorial
webdev
How Enterprise AI Platforms Get Hacked: Lessons from the McKinsey Lilli Breach
Enterprise AI platforms fail in predictable ways — and the McKinsey Lilli breach in February 2026 is the clearest case study yet of how a system deplo…
I built a zero-dependency validation library for every Indian developer
Indian developer building a form has hit the same wall. You need to validate a PAN number. Or an Aadhaar. Or a GSTIN. Or an IFSC code. So you Google i…
Most of this project was built by collaborating with Claude as a coding agent.
Building an AI Audio Dubbing Web App Using Claude as a Coding Agent Recently I built a small AI project that automatically generates dubbed audio from…
Valentine's Day and Senior Loneliness: An Evidence-Based Technical Deep Dive into Social Isolation Detection and Intervention
Tags: health , caregiving , data , community Social isolation in elderly adults is not a soft problem. It's a measurable, quantifiable health risk wit…
I built a cloud download manager in 30 days as a student - here's what I learned
A few weeks ago I was using Offcloud to download torrents to my Google drive. Then they cancelled all lifetime memberships overnight. No warning, no r…
# How I Built an AI That Controls Cloudflare WAF via Plain English
I've managed Cloudflare across multiple enterprise accounts for the past two years. I know the dashboard intimately — probably better than I'd like to…
Next.js Metadata API: Complete SEO Setup Guide
Modern SSR apps live or die by metadata quality. If search engines and AI crawlers cannot parse titles, canonicals, and schema, rankings stall and sni…
Stop Slouching! Build a TinyML Posture Guardian with ESP32 and TensorFlow Lite 🚀
As developers, we are world-class athletes... of sitting. We spend 8 to 12 hours a day hunched over our mechanical keyboards, chasing bugs until our s…
I automated my entire freelance admin with free tools I built myself
I got tired of paying for five different SaaS tools to run my freelance business. So I built my own — and made them all free. Here's the stack I use n…
I Built a Full-Stack Developer Platform From My Android Phone (No Laptop, No Excuses)
My entire development setup is my phone. No laptop. No desktop. No "I'll do it when I get home." Just a smartphone, Termux, and a GitHub web editor. I…
Why You Should Stop Just Posting on Dev.to (and Where to Go Instead)
The Developer’s Dilemma You’ve just spent three days debugging a complex Rails 8 migration or finally perfected your Arch Linux dotfiles. You want to …
Privacy Policy for Your Side Project: A Developer's No-BS Guide
You built a cool side project. Deployed it. Shared it on Twitter. Then someone asks: "Where's your privacy policy?" Panic. Let me help you fix that. D…
First Party Analytics Strategies for Page Builders: Preparing for a Cookieless 2025
export function trackEvent(event: AnalyticsEvent) { // Send to your first party endpoint fetch('/api/analytics/collect' , { method: 'POST' , headers: …
Building a Prop Firm Cost Analysis Tool with Next.js and SQLite
Building a Prop Firm Cost Analysis Tool with Next.js and SQLite When I started building PropFirm Key , I quickly realized that comparing proprietary t…
More efficient, more work
Everyone says AI will replace developers. An economist from 1865 says the opposite. When you make something more efficient, you don't get less of it —…
Turning Plans Into Code: My Week 2 Progress on Bloom After
By Chijioke Uzodinma | Backend Lead, Bloom After In my Week 1 article , I talked about laying the foundation for Bloom After — planning the database s…
Del caso de uso a producción
Cuando estaba en la universidad, lo primero que hacía cuando tenía una idea nueva para un proyecto era abrir VS Code y empezaba a escribir código. ¿Te…
Do You Know Where Your JWT Goes When You Paste It Into an Online Tool?
The Moment I Froze Pasting a JWT token into an online decoder. Throwing API response JSON into a formatter. Diffing code with an online tool. If you'r…
The Renaissance of the One-Person Framework: Why Rails is More Relevant Than Ever
If I had a nickel for every time a "State of Web Dev" article declared Ruby on Rails dead, I wouldn't need to write code for a living. Since roughly 2…
Vite 8 Shipped Rolldown. Linear's Builds Went From 46 Seconds to 6.
Vite 8 just released and Linear's builds reduced from 46 seconds to 6. It's not wrong. Same codebase, same plugins, same CI. Just swapped the bundler.…
NebulaPicker: A Self-Hosted App to Easily Generate Filtered RSS Feeds
RSS is still one of the best ways to follow websites without relying on algorithms or centralized platforms. But if you follow many feeds, the signal-…
How to Create And Configure Network Security Groups
What is a Network Security Group? A Network Security Group (NSG) is a set of security rules that allow or deny network traffic to resources such as: .…
Luminary: Week 2 — Building the Core
Welcome back to another week of work on the luminary project, for those of us who are new here, welcome again and you might ask; What is Luminary Lumi…
Why I Built a Business Content Layer on Top of Laravel AI SDK
I tried laravel/ai when it came out. The SDK is well-designed — clean provider abstraction, good DX. But the moment I tried to use it for real busines…
I Built a Free Resume Builder with 33+ Templates, ATS Scoring & AI Copilot — Here's Everything It Does
I built Jumproo — a free AI-powered resume builder. No paywall to download, no watermarks, no "free trial" that auto-charges you. This is a comprehens…
SkillGap: Building an AI-Powered Career Assistant
SkillGap: Building an AI-Powered Career Assistant Jing Ng & Liuyi · Spring 2026 Introduction: The Vision of SkillGap The Problem Job descriptions …
How I Turned a Bespoke Code Reviewer Into a Skill Any Project Can Use
The review layer in Code Genie works. The problem is it's hardwired — the criteria, the persona, the output format are all written specifically for th…
I Built a PDF Toolkit With 50+ Tools Using Open-Source Software - Here's How
About two years ago I posted PDFEquips on Hacker News and it hit the front page. The comments were fascinating - most of the discussion wasn't about t…
5 Things AI Can't Do, Even in Redux
This report examines technical and conceptual limitations AI-assisted tools can encounter when using Redux. Deep analysis will be presented under five…