21183 posts from this source
!Cover image for Why Copying Code from Stack Overflow Is a Skill Not a Shamehttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,for...
The Incident It happened on a Tuesday. A new hire, trying to get their local environment working, accidentally committed our production API keys to a public Gi...
Meta just dropped Muse Spark, their first major model release in a year. The benchmarks show it competitive with Claude Opus 4.6 and GPT 5.4, but that isn’t the...
!Cover image for From Unknown to Understood: Navigating Codebases with GitHub Copilothttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity...
Imagine your basement door opens while you're away—within seconds, your phone buzzes with an SMS alert. This project sends an SMS alert using the Seeed Studio X...
Hello! I'm a video editor who got frustrated with many sites that advertised free background removal but ended up adding watermarks or heavily downscaling image...
Introduction Pick any process in your organization and turn it into a clear, shareable diagram in one sitting. The most common mistake is trying to map everyth...
Both visualize processes, but a flowchart is an informal sketch, while BPMN Business Process Model and Notation is a precise, executable standard. Comparison Ov...
I decided to step out of the corporate “C shop” bubble and build something for myself: a work‑logger and invoicing tool for my upcoming freelance career. As the...
What you're building An AI application that solves a real, tangible problem using Actian VectorAI DB. It can run on your laptop, on a server, in the cloud—anyw...
The Prompt Chaos For a year I treated LLMs like a command line: type instructions, pray for output, tweak wording, add “IMPORTANT:”, move sentences around like...
You read Sapiens, then watched Inception, and felt a connection between them. Spotify didn’t suggest it. Goodreads didn’t know about it. That connection existed...
Overview Cross‑database queries are not supported out‑of‑the‑box on Azure SQL Database when using three‑part names. Elastic Query can be used to enable this fu...
Hi everyone 👋 I’m currently exploring different tools and approaches for API documentation and testing, especially in modern development workflows involving mi...
You Think You’re Too Small to Matter Most startup founders don’t worry much about security in the early stages. There’s always something more urgent: shipping...
Why I Built Blackdesk An open‑source market‑research terminal that brings quotes, news, screeners, and AI connectors into one keyboard‑first workspace. If you...
Chrome vs Firefox Extension IDs – Why It Matters for CSRF Protection and Privacy If you've ever developed a web application that communicates with a browser ex...
Last year I built RewriteEmail, a free AI tool that rewrites professional emails. After processing thousands of email rewrites, clear patterns emerged about why...
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Introduction I built a minimal SSR runtime directly inside NGINX and now use it in production. For a while I’ve been using NGINX with njs for tasks such as CSP...
The Problem There’s a specific kind of despair that comes from opening the ninth spreadsheet in a WCAG audit—the one you’re pretty sure somebody duplicated fro...
A Broken Checkout Flow I got a call from a client on a Tuesday morning. Their checkout flow was broken in production. Users couldn't complete purchases. Revenu...
The Real Cost of Skipping Non‑Functional Testing We shipped a healthcare portal in 2021. The team had: - Unit tests - Integration tests - A full regression sui...
I watched a developer ship a complete booking feature last Tuesday. Start to finish, about three hours—the kind of thing that would have taken a sprint two year...
The Real Cost of “Cannot Reproduce” We write hundreds of bug reports per week at BetterQA. Fifty‑plus engineers, dozens of client projects, every industry from...
Security Testing: What We’ve Seen We’ve done security testing for companies in fintech, healthcare, logistics, and government contracting. The one thing they a...
The Observation I manage QA across dev teams in 24 countries, and I often hear the same complaint: “We gave everyone Copilot and nothing got faster.” When I as...
Problem Description Count the total number of palindromic substrings in a given string, where a palindromic substring reads the same forwards and backwards. Ap...
Problem Find the length of the longest substring containing the same letter that you can obtain after performing at most k character replacements. You may repl...
Problem Statement Find the length of the longest strictly increasing subsequence in an array of integers. A subsequence maintains the relative order of element...
Problem Description Find the length of the longest increasing path in a matrix where you can move in four directions up, down, left, right to adjacent cells wi...
Problem Overview Find the length of the longest common subsequence LCS between two strings, where a subsequence maintains the relative order of characters but...
Problem Description Given the head of a linked list, determine if the linked list contains a cycle. A cycle exists if some node can be reached again by continu...
Problem Find the area of the largest rectangle that can be formed in a histogram represented by an array of bar heights. Each bar has width 1 and the rectangle...
Problem Description Find the kth smallest element in a Binary Search Tree BST, where k is 1‑indexed. The function should return the value of the kth smallest n...
AI is no longer just about generating text—it’s about taking action. In this tutorial, you’ll learn how to build a task automation agent that can: - Decide what...
The recent news of the massive breach at the National Supercomputing Center in Tianjin NSCC is sending shockwaves through the tech world. While mainstream outle...
Overview A community reverse‑engineered the failure modes, and the fixes are surprisingly straightforward. In February and March 2026, Anthropic shipped three...
Copilot and Claude Code now ship with verification features - Copilot Agent mode runs terminal commands, detects build failures, and iterates fixes. - Claude C...
Most notification systems ask the same thing from you. Your attention. Your reflex. Your mornings. Not because they’re malicious by design — but because they’re...
Somewhere along the way, productivity software stopped being something you buy and started being something you rent. You want an AI note‑taker for your meetings...
Background At GDC 2026, NVIDIA released a path‑tracing fork of Godot, the open‑source game engine. The fork is hosted on GitHub under the MIT license and is no...
Hey dev community 👋 As the agent ecosystem keeps growing, a common pain point is having to rebuild the same business API or proprietary data in multiple format...
My Journey with Autentico and AI‑Assisted Security Testing I built Autentico, a self‑contained OAuth 2.0 / OpenID Connect identity provider in Go. I took spec...
Overview The Travel Data Platform API provides three core capabilities: - Search – filter flights by origin, destination, airline, price, etc. - Analytics – ag...
The Era of Cheap Acquisition is Over Between 2015 and 2021, independent software developers often followed a simple formula: build a single‑feature productivit...
