16949 posts from this source
I Built a Self‑Hostable Plausible + Sentry Alternative in One Day – That Runs on Shared Hosting I work on projects that run on shared hosting: PHP + MySQL, no...
Overview The Segment attribute can be applied to ASPX pages. When enabled, any path parts that appear after the .aspx file are treated as segments and are rout...
The Community This project is for developers building small‑to‑medium web apps who feel forced into React/Vite stacks by default — even when their needs are si...
Background I have written about this beforehttps://dev.to/drhyde/automatic-cross-platform-testing-part-6-32-bit-linux-fh2, but I needed to revisit the topic. G...
!Cover image for MongoDB didn't start because of File permission issuehttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=au...
Overview If you have certifications on Credly and want to showcase them on your GitHub profile, an open‑source tool makes it dead simple. It provides a free AP...
Things to Do Map Your Application - Map your application on paper, in a spreadsheet, or using graphics/flowcharts. This is the first step. - Understanding the...
Everyone's talking about RAG. Before I built one myself, it sounded really fancy. I knew it had something to do with providing documents to AI, and honestly, I...
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!Trailing comma illustrationhttps://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s...
The largest trial of AI‑assisted cardiac screening ever conducted just published its results in The Lancet. The technology worked. The doctors didn’t. The TRICO...
Problem Overview A pattern that looks clean, “idiomatic,” and AI‑approved: python @actiondetail=True, methods='put' def close_ticketself, request, pk=None: tic...
What to version Based on the official docs, these files and directories are worth versioning: - CLAUDE.md - settings.json - skills//SKILL.md - agents/.md - com...
Technology Detection for Security Audits Knowing what technologies a website runs is the first step in any security assessment. Outdated CMS versions, exposed...
!DAPDEVhttps://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%2Fuser%...
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Turn Figma Into React Code Using OpenAI Codex With Examples – Step‑by‑Step 2026 Guide !Cover image for Turn Figma Into React Code Using OpenAI Codex With Examp...
Overview Rendering code often suffers from a testing problem that many developers quietly accept: it looks right. Unit tests verify logic, but they can’t catch...
The Problem If you've ever tried integrating the WhatsApp Business API for customer support, you know the pain: Meta's verification process, webhook configurat...
Open Graph Tags: The Small Thing That Can Save Your Website 🚑 You built a beautiful website. It’s fast ⚡, it’s clean ✨, it even scores 95+ on Lighthouse 🏆. Y...
markdown !Hero Bannerhttps://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazo...
TL;DR: There’s a namespace bug affecting Ubuntu 20.04, 22.04, and 24.04 servers that causes random service failures. It’s been reported since 2021 across system...
Introdução O PostgreSQL é um dos SGBDs mais usados na prática. Ele é robusto, confiável e oferece recursos avançados, como suporte a tipos de dados JSON e JSON...
Introduction Every fluctuation in the market is a test of a key price level. After a breakout occurs, the market almost always returns to test that breakout. T...
Overview Vulnerability ID: CVE-2026-27449 CVSS v3.1: 7.5 High Published: 2026-02-27 A critical access‑control failure has been identified in Umbraco Engage for...
Introduction This is a submission for the DEV Weekend Challenge: Community. I built this for Small and Medium Scale Enterprises SMEs, the silent engines of our...
Testing and Failure - A double top occurs when the market tests the same resistance previous high twice. - A double bottom occurs when the market tests the sam...
Introduction There are moments when a company does not just ship new features – it changes how it works internally to deliver a new era externally. That is exa...
Project Overview A project called Synthospeak proposes a protocol layer specifically designed for AI‑to‑AI interaction. Current AI systems typically communicat...
'Cleaned‑up Markdown
Background I’m writing this based on a Udemy course on Agentic AI, and I wanted to reflect on how AI evolved into what we now call agentic systems. Rule‑Based...
The Problem Tech hype is asymmetric. A single viral tweet can make a niche tool look dominant, while slow‑burning technologies that millions of developers are...
Overview Over the last few weeks I built a few small calculators as side projects: - BMI calculator - EMI calculator - Simple interest calculator Each was crea...
🚀 How I Discovered a Wash‑Traded Solana Token and Built a Scanner Last month I almost bought a Solana token that showed $2 M in daily volume. Everything looke...
This post is my submission for DEV Education Track: Build Multi‑Agent Systems with ADK. I built Dataguard, a multi‑agent pipeline designed to ensure data reliab...
Introduction Hello, my name is Samuel Okochi. I'm a Computer Science student who has just begun this journey. Why I Chose This Path I chose Computer Science be...
The Reusable Skill Revolution We've seen this pattern before. Developers used to write custom code for every single feature. Then npm changed everything—you co...
Overview Every time I shared a landing page for feedback, I got the same vague responses: - “Your headline could be clearer” - “Add more social proof” - “The C...
!DKistenevhttps://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%2Fus...
While contributing to Accuguide—an open‑source platform that helps people discover accessible places and services—I encountered an annoying bug: the browser ask...
Objective - Reverse a singly linked list in‑place. - The last node becomes the first. - All next pointers are reversed. - Return the new head of the reversed l...
Overview Most TikTok “automation” tools spin up a headless browser, route through a proxy, and hope the account isn’t banned within 48 hours. TokPortal takes a...
Introduction Stop obsessing over your “System Prompt.” Seriously. If your current AI strategy involves a library of 2,000‑word prompts designed to coax a speci...
markdown !Cover image for ShellSignal: A Terminal Dashboard for Developers Who Want the Signal, Not the Noisehttps://media2.dev.to/dynamic/image/width=1000,heig...
When you paste a URL into your DEV post, if it is embeddable you now get a handy tooltip that generates the liquid tag for you using a new universal embed tag:...
Overview OTP One‑Time Password autofill feels magical, but it’s actually a combination of OS‑level SMS parsing, app or browser integration, and strict security...
This is a submission for the Built with Google Gemini: Writing Challengehttps://dev.to/challenges/mlb-built-with-google-gemini-02-25-26 What I Built with Google...
