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Self‑correction loops beat “perfect‑first‑time” approaches for local AI. Building a Retail Analytics Copilot that runs entirely on a laptop using a quantized 24...

Why Even Build Locally? 1️⃣ Expo Cloud Builds cost money Expo gives a small free quota. After that, you pay per build — which is fine for production, but not...

Introduction In this tutorial, I'll walk you through how I built a semantic search engine using CocoIndex, an open-source Python library for creating powerful...

brkrs — a fun, playable brick‑breaker game & learning playground brkrs is a real, playable Breakout/Arkanoid‑style game written in Rust 🦀https://rust-lang.or...

!Cover image for Football pitch reservation app built with Next.js, Shadcn UI, Prisma, and Better Authhttps://media2.dev.to/dynamic/image/width=1000,height=420,...

Day 1 at AWS re:Invent 2025 kicked off with Matt Garman’s first keynote as CEO of AWS — and the message was unmistakable: > This is the AI era, and AWS is build...

SQL Script sql -- Declare variables for schema UIDs run once DECLARE @uid1 int, @uid2 int SELECT @uid1 = uid FROM sysusers WHERE name = 'GLOBAL_COMET_US_1' SEL...

The Problem I love Python for data analysis, but I hate writing matplotlib boilerplate just to see a simple trend. I also didn't want the overhead of a full...

sql -- First get the user IDs once optional, for readability DECLARE @uid1 int, @uid2 int SELECT @uid1 = uid FROM sysusers WHERE name = 'GLOBAL_COMET_US_1' SELE...

sql SELECT 'ONLY_IN_US_1' AS location, t1.table_name FROM dba_tables t1 LEFT JOIN dba_tables t2 ON t1.table_name = t2.table_name AND t2.owner = 'GL...

Introduction Atomic Design is not just a design philosophy—it’s a way of thinking about components as living organisms that grow from simple building blocks in...

sql SELECT CASE WHEN t1.table_name IS NOT NULL AND t2.table_name IS NULL THEN 'ONLY_IN_US_1' WHEN t2.table_name IS NOT NULL AND...

Abstract Choosing the right test management tool can make or break your QA process. This analysis examines TestRail the leading commercial solution and TestLin...

!React2Nexthttps://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%2Fu...

!Cover image for Oracle APEX Rest Integration Code Snippetshttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A...

!Cover image for AI NECROMANCERhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amaz...

Real‑time data synchronization from MySQL or Aurora to VeloDB Flink can serve as a real‑time data‑synchronization engine when migrating data from MySQL‑compati...

Spring’s vibrant hues bring the spirit of Easter to life, inspiring countless creative projects. For enthusiasts and entrepreneurs alike, xTool devices have bec...

Overview In an Azure tenant, management groups are used to organize subscriptions, define access controls, and apply policies. When resources for a single work...

!Cover image for I got tired of bot detection in automation testing, so I wrote this 4-line Python fixhttps://media2.dev.to/dynamic/image/width=1000,height=420,...

TL;DR macOS bash AeroSpace window manager brew install --cask nikitabobko/tap/aerospace Core utilities brew install atuin chezmoi gh fzf eza bat ripgrep st...

BJH OS is a browser‑based operating system built with pure HTML, CSS, and JavaScript—no frameworks or backend dependencies. It delivers a real desktop experienc...

Hey Developers 👋 for years, Create React App CRA was the go‑to tool for setting up React projects quickly. However, as of Feb 2025, CRA is officially sunsethtt...

Introduction Artificial intelligence AI is revolutionizing healthcare, but how do you take a powerful, general‑purpose AI model and teach it the specialized...

Introduction It's 2 AM. PagerDuty fires. Something's wrong with the payment service. You open Log Explorer and stare at the query bar. Is it service:paymen...

What is RE_VAULT RE_VAULT is my public archive of reverse engineering projects and challenge binaries. The main project inside it is Flag Hunt 2 – Black Ciph...

!Cover image for Exploring native Browser/Web APIshttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev...

Agentic Software Engineering ASE: The Software Development Landscape is Shifting Again These days, we often hear stories like “Successful CI/CD Automation with...

Crypto Payment Gateway Defined A crypto payment gateway is a service or internal component that connects an off‑chain business event—like an order or invoice—t...

!Cover image for Building Ghostable & Finding Ideas by Listening Wellhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=aut...

Modern PHP applications rely on many external components: APIs, databases, file systems, random generators, time providers, and services that communicate with t...

!Cover image for I'm-posterhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaw...

Developer activity in crypto continues to rise. Although users still search for where to buy Bitcoin or check Dogecoin price charts, developers focus on network...

The Initial Use of Resources Imagine you have a one-acre plot of land in your village or hometown. You decide to build your dream house on this land, construct...

🎃 The Challenge As a junior apps developer, I'd never built a RAG Retrieval Augmented Generation system before. The concept seemed intimidating: vector embedd...

!Cover image for Your First Mini Terraform Project: Install, Configure, and Deploy on AWShttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gra...

!Cover image for → Day-08 AWS Terraform Meta Arguments | count, depends_on, for_eachhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=...

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Self‑healing systems are computer systems that can automatically fix themselves when something goes wrong. Instead of waiting for a human to notice a problem...

Hello, I'm Maneshwar. I'm working on FreeDevTools onlinehttps://hexmos.com/freedevtools — a free, open‑source hub where developers can quickly find and use tool...

Hey Everyone, I am new to the dev community, starting out my journey again in coding. I used to code from 2013‑2018. After that I explored new opportunities, st...

Model Context Protocol MCP has been wobbling on its own legshttps://www.anthropic.com/engineering/code-execution-with-mcp for a while now, which articulated a f...

Welcome to this week's Top 7, where the DEV editorial team handpicks their favorite posts from the previous week. Congrats to all the authors that made it onto...

!Cover image for Going beyond full stack with Rusthttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev...

Introduction In today's business landscape, financial control over cloud usage has become a defining factor for sustainable growth. Yet many companies still fa...

Fintech APIs are tricky; payments, KYC, wallets, ledgers, refunds, transaction verification…everything needs to work perfectly. Even the smallest bug can break...

Core Flow Client → API Gateway → Authorization Server → Resource Server

What is Ansible? Ansible is a powerful automation tool used for server configuration. It works over SSH, requires no agent, and uses YAML playbooks to automate...