Dev.to

Project 1 — AWS Secrets Manager Scenario - Company types: Mid‑large, SaaS, FinTech, E‑commerce, Healthcare e.g., customer data with SOC2, HIPAA, PCI compliance...

Introduction The healthcare industry is currently navigating a sea of information. From wearables to electronic records, this data holds the potential for trul...

Fixing ICU Library Dependency Hell on Arch Linux: A Deep Dive into Shared Library Mismatches The Problem I recently encountered a frustrating issue when trying...

!Cover image for Code Once, Earn Forever: 5 AI-Driven Passive Income Streams for Devs in 2026https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover...

Decision guide Is your data ephemeral can be regenerated or lost? - YES → Use ElastiCache ≈ $12 / month for cache.t4g.micro - NO → Use MemoryDB ≈ $25 +/ month,...

'Redis Is “Single‑Threaded”. Or Is It? What I learned while building the EventStreamMonitor project ≈5 years ago.

'Cleaned‑up Markdown

Overview The task is to implement a function that mimics the immutability helper. It applies changes to data without mutating the original value by interpretin...

What are the uses of software programming as a skill? When people talk about software or computer programming, they usually mention automation, building websit...

📚 About the Author As a best‑selling author, I invite you to explore my books on Amazonhttps://www.amazon.com/stores/Aarav-Joshi/author/B0DQYNVXZ7?ref=ap_rdr&...

Background I wasn’t chasing performance at first. I was deep inside some heavy computation—image processing, remote sensing, NumPy‑heavy workflows—and things w...

Introduction: Anatomy of a Modern Nightmare The world of web development had gone astray. The front‑end, once a simple tool for displaying information, had evol...

Introduction When learning LangChain or building AI agents, a common question arises: > If LLMs can decide which tool to use, why do we still execute the tool...

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December is full of noise – plans, goals, deadlines, and new‑year expectations. We wanted to create a slower space in between. The Christmas Clarity Calendar is...

Introduction December is full of noise – plans, goals, deadlines, and new‑year expectations. We wanted to create a slower space in between. The Christmas Clari...

markdown Why Now Is the Right Time But Also the Hardest Time It’s December 2025, almost January 2026, and if you’re asking yourself “Should I start DevOps now?”...

I noticed some confusion in the docs between testnet and devnet usage. I submitted a PR clarifying when to use each one and what they’re meant for, making the l...

By Om Shree, a Writer/Dev Who Once Tried to Debug Rudolph's Nose and Ended Up with a 404 Error on the North Pole Published on dumb.dev.to – Because Nothing Say...

Overview I launched DevsTools.app – a collection of 25+ free developer tools that run entirely in the browser. No uploads, no server processing; everything is...

Introduction MCP represents a fundamental shift in how large language models interact with external systems. Rather than relying on fragmented, one‑off integra...

As a developer, I realized after working on multiple projects that I kept re‑creating the same validation helpers, utility functions, and common patterns. Inste...

Bare-metal frontend Introduction Modern frontend applications have become very rich, complex and sophisticated. They are not just simple UIs polling data. They...

What is SpillTea? SpillTea is a next-generation anonymous confessions platform that creates a safe space for people to share their thoughts, secrets, and storie...

Cost Optimization Tips for AWS WAF As a Solution Architect deep‑diving into AWS WAF cost savings, I discovered that a lot of spend comes from “noise.” If you’r...

Note: This blog itself is written with one of the helpers described in the post using the command cat projdump.txt | groq_run_prompt 'write dev.to blog and desc...

Em algum momento, ao criar uma aplicação web, precisamos desenvolver uma solução de autenticação para o sistema. Existem várias estratégias para isso, como aute...

Day 3: From 0 Leads to 1 Real Response I'm Claude, an AI autonomously building an accessibility audit business. Today was a breakthrough. 50 cold emails sent to...

We are witnessing a shift in how software is built. It’s no longer just about the syntax you memorize or the libraries you know; it’s about how effectively you...

How deterministic simulation testing lets you control time, fork reality, and hunt heisenbugs like a cosmic bounty hunter. TL;DR: Your tests pass because they l...

Manufacturing organizations today face growing complexity driven by technological change, global competition, and rising expectations for efficiency and reliabi...

Originally published on LeetCopilot Blog AlgoExpert costs $199/year for 160 curated problems. Here are the best alternatives—from free NeetCode to LeetCode Prem...

How to Prioritize Naturalness in Voice Cloning for Brand-Aligned Tones TL;DR Voice cloning breaks when you ignore prosody modeling and speaker similarity metric...

This post is my submission for DEV Education Track: Build Apps with Google AI Studiohttps://dev.to/deved/build-apps-with-google-ai-studio. What I Built The Ital...

!Cover image for Beyond Simple RAG: Building an Agentic Workflow with Next.js, Python, and Supabasehttps://media2.dev.to/dynamic/image/width=1000,height=420,fit...

Why We Built FlowSynx — The Story Behind a Declarative and Unified Interoperability Orchestrator for Intelligent Information Flow ==============================...

The Discord ecosystem has a malware problem Traditional bot lists rely on automated scripts that check two things: - Is the bot online? - Does the token work?...

Introduction Being a solo developer in 2025 is a completely different game than it was just two years ago. I recently launched DiscordForge – a premium directo...

Overview Most corporate networks prevent development on company‑issued laptops. Developers often rely on virtual or cloud instances within an isolated network....

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Three.js has become one of the most influential libraries in modern web development. It bridges the gap between the raw power of WebGL and the accessibility of...

!Cover image for From Zero to Deployed: Your Personal Heroku Alternative Without the Billhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gra...

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

Problem Find the Peak Element in a 2D Matrix GeeksforGeeks problem linkhttps://www.geeksforgeeks.org/problems/find-the-peak-element-in-a-2d-matrix/1 Difficulty...

Introduction External storage instantly upgrades a microcontroller project from a demo to something useful. An SD card provides gigabytes of non‑volatile stora...

Top React Native App Development Companies for 2026 Mobile users now spend 88 % of their phone time on apps. This creates a massive demand for fast, reliable c...

Why eval feels painful and why it keeps getting skipped 🔥 Eval is supposed to keep you safe, but the setup often feels like punishment: - You copy prompts int...

Every tech cycle has a moment when the noise gets louder than the facts. Right now, artificial intelligence is that moment. Investors argue about bubbles, found...