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📰 Dev.to · Mario

16 articles · Updated every 3 hours · View all reads

All Articles 164,038 Blog Posts 157,652 Tech Tutorials 43,444 Research Papers 31,765 News 21,156 ⚡ AI Lessons

Dev.to · Mario 1w ago

Writing an IAM Policy That's Actually Least Privilege

I wrote the IAM policy for my solar agent myself, on the first try, thinking I had done it right. I...

Dev.to · Mario 1w ago

IAM Roles Anywhere: AWS Access With Zero Static Keys

Every environment I have audited has the same ghost. An IAM user with an access key and a secret...

Dev.to · Mario 🔐 Cybersecurity ⚡ AI Lesson 2mo ago

Three Security Checks for Any AWS Pipeline

A developer merges a pull request on a Friday afternoon. The repository is public. The commit...

Dev.to · Mario 🔐 Cybersecurity ⚡ AI Lesson 2mo ago

Responding to a Compromised AWS Access Key

You wake up to this email from AWS: Irregular Activity Detected for Your AWS Access Key As part of...

Dev.to · Mario ☁️ DevOps & Cloud ⚡ AI Lesson 2mo ago

A Starting Point for AWS Service Control Policies

A team opens an AWS account. They deploy everything in us-east-1. Reasonable choice. Six months...

Dev.to · Mario 🔧 Backend Engineering 2mo ago

From Basic HTML to Premium Dev Tools: How I Finished My Abandoned Project With GitHub Copilot

This is a submission for the GitHub Finish-Up-A-Thon Challenge The Abandoned Project A...

Dev.to · Mario 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 2mo ago

Learn Excel from Zero to Advanced - Complete Guide with Exercises

Want to master Excel but don't know where to start? I created a complete 3-level guide that takes...

Dev.to · Mario 🌐 Frontend Engineering ⚡ AI Lesson 2mo ago

4 Free Developer Tools I Built (And You Will Actually Use Them)

I got tired of using bloated online tools for simple tasks. So I built my own. Here are 4 free tools...

Dev.to · Mario 🔧 Backend Engineering ⚡ AI Lesson 2mo ago

4 Free Developer Tools I Built That You Will Actually Use

Hey devs! I built a collection of actually useful free tools that don't ask for your email, no...

Dev.to · Mario 🔐 Cybersecurity ⚡ AI Lesson 3mo ago

IAM Misconfiguration: Why It Keeps Happening and How to Start Fixing It

The Most Common Pattern I See Across the AWS environments I've reviewed — financial...

Dev.to · Mario 💻 AI-Assisted Coding ⚡ AI Lesson 3mo ago

The Loading Screen

BUILD WITH AI [Antigravity] Building “The Loading Screen”: A Real-Time Interactive Experience with...

Dev.to · Mario 📣 Digital Marketing & Growth ⚡ AI Lesson 5mo ago

Adding Giscus Comments to Next.js Blog Pages

Why Giscus? Every blog needs a way to hear from readers. I wanted a comment system that...

Dev.to · Mario 🌐 Frontend Engineering ⚡ AI Lesson 6mo ago

i was tired of every API having a different JSON shape so i fixed it

every project i build that pulls in external data ends up with the same problem: the APIs all return...

Dev.to · Mario 🔧 Backend Engineering ⚡ AI Lesson 7mo ago

Construyendo un extractor de audio (YouTube MP3) con FastAPI, yt-dlp y ffmpeg

Extraer el audio de un vídeo para escucharlo como podcast o repasar una clase es un caso de uso muy...

Dev.to · Mario 🔧 Backend Engineering ⚡ AI Lesson 10mo ago

🎧 Cómo hice un recortador de audio MP3 online con FastAPI + FFmpeg

Hace poco añadí a mi convertidor de audio MP3 online — convertiraudioamp3.com una nueva...

Dev.to · Mario 🔧 Backend Engineering ⚡ AI Lesson 11mo ago

Convertir YouTube a MP3 online con FastAPI, yt-dlp y FFmpeg

Convertir YouTube a MP3 online con FastAPI, yt-dlp y FFmpeg Muchos servicios ofrecen...