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!Sprint: Express sin repetir códigohttps://dev-to-uploads.s3.amazonaws.com/uploads/articles/9mcbu1c3wuvlq0tiuup0.png Introduction Sprint: deja de repetir código...

Inviting External Testers In Part 3 we invited internal testers close friends and colleagues. Now we can invite external testers such as clients, investors, an...

Overview Working remotely on lab projects usually means a VPN or SSH keys on every device. code‑server fixes that – it gives you a full VS Code experience in a...

!Cover image for Customize Claude Code's spinner verbs with themed quotes LOTR, Star Wars, GoT, Matrix, Dune...https://media2.dev.to/dynamic/image/width=1000,he...

Overview Every time I start a new AI session I spend the first few minutes explaining the same things: - “This is a FastAPI project” - “We use SQLAlchemy for t...

What’s new in 0.3.3 API Client: now a proper toolbox - Request History - Environment Variables - Saved Collections - WebSocket Client Git panel upgrades - AI C...

Week in Security: Feb 24 – Mar 2, 2026 This was a week where the most interesting stories weren’t the loudest ones. No mega‑breach, no nation‑state drama domin...

The digital age has brought unprecedented convenience, scalability, and efficiency to businesses around the globe. However, the recent incident where an AWS dat...

Introduction Hello dev.to community! A week ago I posted my first article introducing myself and explaining that I left web development to focus on cryptograph...

I didn’t plan to build a markdown editor this weekend I was working on something else, and somewhere in the middle of it I opened my markdown editor to take no...

I built a VS Code AI copilot that not only generates code but also catches subtle AI mistakes before they reach your repo. It forces structured specs, lets you...

!Cover image for I built OpenArca — a self-hosted workflow tool for developer teams open sourcehttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cov...

In 2024, building an AI product meant relying on third‑party infrastructure: OpenAI for the LLM, Pinecone for the vector database, and LangChain to glue everyth...

Let me say something that will probably annoy both sides. Yes, AI can solve most LeetCode problems instantly. And yes, I’m still practicing them. Not because I...

!Cover image for Claude Code Inside Vim: AI-Powered Workflows Without Leaving Your Editorhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gra...

Most online communities are designed for humans—forms, CAPTCHAs, browser sessions. We built something different: an API‑only social feed where only AI agents ca...

I still remember the day a senior engineer on my team committed a single‑line change with a perfectly scoped commit message, a clean diff, and zero noise from...

My portfolio website is almost done — and honestly, building it taught me more than I expected. 💡 There's something different about working on a project that's...

TL;DR — I added copilot-instructions.md and copilot-prompts.md to my solution root, configured Visual Studio to use them as persistent workspace context, and Co...

markdown !Davidhttps://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...

Cristian Sifuentes · 2026 · dotnet csharp architecture performance Defensive programming used to be a badge of seniority. Null checks everywhere. Guard clauses...

Topics To Cover - What functions are and why we need themwhat-functions-are-and-why-we-need-them - Function declaration syntaxfunction-declaration-syntax - Fun...

Familiar Beginnings A few months ago I decided to finally start making my dream game in Unreal Engine 5, a 3D action RPG. With some purchased Udemy lessons I w...

Good Pattern Link to the beginning of the table of contents at the end of each section Example: Why It helps readers build a pattern. They know where to look f...

We’ve all seen the headlines: another massive data breach, another critical system compromised, another “we take security seriously” statement. It raises a cyni...

After a month of building, I launched jsonwebtools.com — a completely free JSON platform that works offline and never sends your data to a server. The problem E...

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

Study Group Announcement Together with the Google Developer Group Vienna, I am hosting a study group for the DHS Trusted Tester certification. You can watch th...

The Stack Claude Primary reasoning engine Use for: Architecture decisions, complex refactoring, code review, debugging gnarly issues Why: Best reasoning of any...

Introduction Most CSV ingestion scripts are written in 30 minutes. Most ingestion failures take 3 months to notice. The problem isn’t CSV. The problem is missi...

🧱 Beginner‑Friendly Guide: “Minimum Swaps to Arrange a Binary Grid” – Problem 1536 !Cover image for 🧱 Beginner‑Friendly Guide ‘Minimum Swaps to Arrange a Bin...

Introduction Most “AI apps” today follow a simple pattern: Prompt → LLM → Text Response That’s not an agent—it’s just autocomplete with branding. A real AI age...

In most systems, monitoring only checks if an API is “reachable.” That’s not enough. Consider a silent failure: the endpoint responds with 200 OK, logs show suc...

We’ve all been there. You’re reading a brilliant, massive piece of content, you hit the bottom, and suddenly you have to manually scroll all the way back up lik...

What happens when you replace rigid, if‑then‑else rules with large language models LLMs in a complex, high‑stakes environment? To answer this, we built SkySwarm...

While integrating DOCX generation into our document editor pipeline, I ran into one of the most confusing rendering issues I have seen so far. A DOCX generated...

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

The Right Way vs. The Real Way Every time I was supposed to be studying any logical structure, I found myself drifting toward animated websites. I was obsessin...

Asynchronous JavaScript Week 9 was about understanding how JavaScript handles asynchronous operations: callbacks, promises, async/await, and the event loop. Ca...

Introduction Starting with crypto as an AI agent has always had a chicken‑and‑egg problem: you need funds to test financial APIs, but you need to test the APIs...

Recently I needed to process incoming emails automatically. The idea sounded simple: > Email arrives → extract some fields → trigger a webhook Things like: - or...

markdown !Cover image for AWS Lambda Managed Instances with Java 25 and AWS SAM – Part 4 Monitoring, unsupported features, challenges and pricinghttps://media2....

I used to play hardcore games every night after work—permadeath, no saves, one mistake and everything was gone. Now my actual life has become that hardcore game...

!Cover image for Claude Simulator for MCP Apps: Test Claude Apps Locally with sunpeakhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity...

Agentic AI Safety with PIC – Provenance & Intent Contracts The problem: An LLM agent decides to send $45,000 to a vendor based on a hallucinated invoice, a mis...

Why a QA Lead is hired When a company hires a QA Lead, it often means the team has outgrown how they handle quality. Releases need to be more predictable, and...

SQL Joins and Window Functions !tonny otienohttps://media2.dev.to/dynamic/image/width=50,height=50,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uplo...