Dev.to

markdown !Milkyhttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads...

markdown !Cristian Angulohttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com...

A Moment of Realization There is a moment in every founder's journey when you realize you are not just building a product—you are betting your livelihood on it...

The Over‑Engineered System I Built I needed to manage providers Google Cloud, AWS, Postgres and their services BigQuery, Firestore, DynamoDB. Seemed simple eno...

Introduction I recently launched LandlordOS, a property management system designed for small‑to‑medium landlords 5–50 rental units. After speaking with several...

Introduction As we kick off the new year, many companies are accelerating AI tooling for productivity, often using token usage as a metric for AI adoption. Aft...

TL;DR If you see mount.nfs4: access denied by server while mounting 127.0.0.1:/ when mounting EFS volumes in EKS, and the security groups are correct, you’re li...

I will become very proficient at DevOps and Cloud. No doubt! I want to proudly look back and see the little wins I started with. On January 1st I officially beg...

Personal Genomics RAG Retrieval‑Augmented Generation Tutorial Ever looked at your 23andMe raw data and thought, “What does rs1801133 actually mean for my healt...

Overview Stop trying to rewrite your 15‑year‑old monolith from scratch. It won’t work. Instead, use the Model Context Protocol MCP to wrap your legacy systems...

The Project Background: The “Digital Ghost” Problem Modern investigators often face what I call the Digital Ghost problem: you find a crucial image, but withou...

Intro In AWS re:Invent 2025, Lambda introduced Durable Functions with a great set of features. Key highlights: - A single execution can span up to one year. -...

The Problem: AI News is Noise Every morning I faced the same issue: dozens of new AI tools, fresh models on HuggingFace, and endless hype on X/Twitter. I was w...

Or: How I Learned to Stop Worrying and Love WebAuthn Passkeys The “Why Did I Do This Again?” Moment So, I built a mobile crypto wallet. But not just any wallet...

The Problem Documentation is the bane of many developers' existence. We love building features, but we hate writing about them. This leads to “README rot”—proj...

The Problem with “Document-First” Proposals We've been sending proposals the same way for 20 years: Word docs exported to PDFs. As developers and agency owners...

!Cover image for Writing Python That Still Makes Sense a Year Laterhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/...

Why State Design Is the Root of Performance Issues When a React application starts to feel slow, the instinctive response is often to reach for optimization to...

Problem with Manual LocalStack Configuration When using Terraform with LocalStack, many developers add a lot of provider settings that are only needed for the...

The Mental Shift: From Rows to Groups Up until now, most of my SQL queries felt like this: “Show me rows that match X condition” But GROUP BY changes the game....

!Cover image for ReactJS Hook Pattern ~Latest Ref Pattern~https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%...

Background Most aerodynamic tools stop working after about 20° angle of attack. For flight simulators and game development, however, it is essential to model t...

No! 😂 Hi, I'm Gudong, a software engineer from China. Today I thought of an interesting topic: Did I make money with AI? No, quite the opposite—I actually spen...

Introduction If I had to build a scalable, secure backend for a community on AWS, this is how I would architect it. Security First The Foundation - IAM Identit...

markdown !Gabriel Follonehttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com...

Vấn đề hiện tại - Bối cảnh: Việc tinh chỉnh fine‑tuning các mô hình ngôn ngữ lớn LLM tốn rất nhiều tài nguyên. Phương pháp LoRA Low‑Rank Adaptation ra đời để g...

!Cover image for From Android Engineer to Indie Developer: My Journey So Farhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,for...

So, I was shitcanned recently and said to myself: “Hey, why not actually learn something new and interesting for once?” Three.js has been high on my list for a...

Tired of politely ignored site blockers? Most productivity tools offer gentle nudges or a serene blank screen when you stray, making it all too easy to bypass t...

!Cover image for Azure Machine Configuration, Linux, and DSC Configurationhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,forma...

!Cover image for Building a Real-Time AI-Driven Web Platform from Scratch: Lessons in Complexity and Scalehttps://media2.dev.to/dynamic/image/width=1000,height=...

Project Update I’m actively working on a secure, privacy‑focused web app version of the HRT Journey Tracker Suite using Replit as my development environment. T...

The Motivation As developers, we use SVGs daily. But I realized that most 'quick' online editors or optimizers follow a common pattern: they are either bloated...

Hey guys! Welcome to Part 2 of our Dart Frog series. If you missed Part 1, we set up Dart Frog and built a basic API with hot reload. Watch it nowhttps://youtu....

Technology Goals for 2026 1. Post more content on Dev Community I want to continue writing here to share the technologies I’m learning and to practice my Engli...

!Cover image for Ditch Matplotlib: Create an Interactive Python Chart in 3 Lines of Codehttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,grav...

My AI Journey I build enterprise POS Android apps — lots of architecture, lots of business rules, and plenty of “this has to be correct.” 🧱 My AI journey star...

!Cover image for I Built a VSCode Extension to Learn How VSCode Extensions Workhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,...

If you’re a SaaS developer, DevOps engineer, or startup founder, chances are you’re paying for tools you no longer use. Cloud services, CI/CD tools, monitoring...

The Problem Yesterday I spent four hours trying to SSH into an EC2 instance. I tried from both macOS and Windows terminals, suspecting a local system issue, bu...

Project Update Hello everyone — quick update on the HRT Journey Tracker Suite project. I’m actively working on a secure, privacy‑focused web app version of the...

!Cover image for Why Do Retrospectives Feel Like a Waste of Time?https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/ht...

AI code can look “production‑ready” while implementing almost nothing. - It passes lint. - It follows clean architecture. - It ships. And yet—when you trace exe...

In today’s fast‑evolving IT landscape, enterprise networks are becoming more complex, software‑driven, and automation‑focused. Organizations are actively seekin...

The Problem If you've ever grinded LeetCode, you know the pain: - Constantly switching between browser and editor - No way to track how long problems actually...

The CCIE Data Center Certificationhttps://www.netcomlearning.com/certifications/ccie-data-center is one of the most respected expert‑level credentials in enterp...

Visão geral para 2026 Se 2025 foi o ano em que muita gente entendeu o Fabric como “plataforma unificada”, 2026 tende a ser o ano em que ele vira, de fato, o hu...

Laravel factories make testing a breeze, especially when your models are related. However, when a model has multiple relationships to the same target model, the...