Renaming a site without losing its data — separating display name from a stable identifier
A client asks you to rename a site from acme-staging to the production name acme . The moment you rename it in the app, the DB backups, screenshots, a…
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Agent Framework RAG for Agents: Giving Your Agent the Right Context
This is Part 13 of my series on the Microsoft Agent Framework. You can read the original post over on lukaswalter.dev . In the previous article , we l…
Preparing Specs for AI Coding Agents
AI coding agents now edit repositories, run commands, and produce branches. That makes the spec before the work more important: it carries the context…
Mastering Design Principles: Dependency Inversion in Kotlin
Abstract In modern software engineering, writing code that simply "works" is only the first step. The real challenge lies in designing systems that ar…
Setting Up the Codehabits MCP Server in Cursor (5 Minutes)
The Codehabits MCP server gives Cursor six tools that read from .codehabits/ in your repo — convention lookup, code validation, domain knowledge, revi…
How to Connect Contact Form 7 to Monday.com CRM
Someone asked on the WordPress support forums: "What is the best way to connect Contact Form 7 to Monday CRM? Is a webhook a good approach?" The reply…
Building a Shielded Token dApp on Midnight: From Compact Contract to React UI
When I first looked at Midnight's privacy model, I kept tripping over the same question. If the chain hides balances inside zero-knowledge proofs, how…
Pre-launch AI simulations are becoming the new model safety check
The next serious upgrade in AI safety may not look like a bigger warning label. It may look like a rehearsal. OpenAI published new work this week on p…
Ollama Structured Outputs in Practice — Getting Type-Safe JSON from Local LLMs with Pydantic
json.loads(response) fails at a certain point. You told the model "return JSON only," but it added a ```json markdown code fence around everything. A …
Lesson 1.3 - GraphQL for Screen Complexity and App Changes
Good morning, class! Welcome back. In our last lesson, we explored how GraphQL fundamentally addresses the issues of over-fetching and under-fetching.…
Product Launch Telemetry: How AIKit Turns Feature Releases Into Agent-Readable Growth Loops
Product launch telemetry is the bridge between shipping a feature and proving that the feature created growth. AIKit can turn every release into an ag…
Airtable AI From Scratch: A Freelance Dev's Cost Breakdown
Airtable AI From Scratch: A Freelance Dev's Cost Breakdown I run a one-person shop. No co-founders, no VC money, no "growth team." Just me, my laptop,…
**Quick Tip: How to Choose the Right Model for Slack AI Workflows in 2026
Quick Tip: How to Choose the Right Model for Slack AI Workflows in 2026 I've been running Slack-integrated AI workflows in production for about three …
Build an AI Resume Screening Agent with LangChain, Streamlit, and Gemini 🚀
🚀 Build an AI Resume Screening Agent with LangChain, Streamlit, and Gemini Recruiters often spend hours manually reviewing resumes and matching candid…
How I built a live demo that breaks agent pipelines in 8 different ways - and why every team building on MCP needs one
TL;DR — The Gauntlet is an open-source Next.js app that connects 7 MCP servers through a LangChain multi-agent pipeline, then lets you toggle 8 failur…
Automate Your Healthcare: Building an AI Agent to Book Doctor Appointments and Archive Lab Reports
We've all been there: staring at a clunky, 10-year-old hospital web portal, clicking through endless nested menus just to book a simple check-up or do…
How a Five Line Architecture Test Caught a Data Leak a Code Review Missed
TL;DR: Pest PHP can test the structure of your code, not just its behavior. Write your team rules as architecture tests and CI enforces them on every …
I Built a Privacy-First PDF Toolbox — Your Files Never Leave the Browser
Every online PDF tool I've used uploads your documents to their servers. Tax returns, contracts, medical records — they all go to some third-party ser…
Monitor a Support Inbox and Open Tickets Automatically
Before: a customer emails "production is down" at 11pm, the message sits unread until someone opens the shared inbox at 8am, gets forwarded to the wro…
Building a Multi-Source Threat Intelligence Correlation Engine in Python
A SOC analyst's notes on going from "I want to learn async" to a working tool that other analysts can clone and use. TL;DR I'm a SOC analyst learning …
Building an On-Device Training Strategy for Personalized iOS Apps
Machine learning on mobile devices is often associated with inference: download a model, run predictions, and return results. But what if the model co…
I made a programming language called Zen, wanted to share some examples
Hey, I've been working on this for a while now and finally feel okay sharing some code examples. Zen is a statically typed language that compiles to n…
Google Ships Gemma 4 QAT Checkpoints: Quantization-Aware Training
What: Google shipped quantization-aware-trained (QAT) checkpoints for the Gemma 4 family — open weights that were trained to survive being squeezed do…
USPS Just Broke Your Magento Shipping. Here's the Fix.
If your Magento store still depends on the old USPS Web Tools integration, you should assume your shipping rates are either already broken or one chan…
Create content about 'productivity' on Dev.to (avg 330 engagement)
The Developer's Guide to Sustainable Productivity: Tools, Techniques, and Mental Models The Developer's Guide to Sustainable Productivity: Tools, Tech…
How to Write a Flutter Agent Skill That Actually Works: The 2026 Recipe
TL;DR A great agent skill is not a pile of documentation. It is a tightly scoped SKILL.md with a description engineered for discovery, ruthless concis…
Free AI CV Builders in Germany 2026: ATS-Ready, GDPR-Safe, No Login Needed
I have been testing free AI CV tools for three months. Most articles recommend the same five tools. Almost none of them mention the two problems that …
HTML/CSS Animation to Video (MP4): the Headless, Deterministic Way (incl. Claude)
So you asked Claude to animate something. Maybe a logo, a loading screen, a data viz. It spat out a neat HTML file with CSS keyframes, everything look…
When Regex Fails: LLMs for Messy HTML Data
Last month I inherited a project that needed to extract product information from a legacy e‑commerce site. The HTML was a nightmare—no semantic classe…
How to make AI answer questions about your documents, by building RAG from scratch
In the previous post , we talked about context windows. The model has a fixed-size desk and everything has to fit on it at once. When too much is on t…