I Failed a Python Interview Because I Could Write Code But Not Read It
I want to tell you about the most embarrassing 45 minutes of my developer career. I had been practicing LeetCode for three months. Easy problems, done…
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What is Block-Oriented Network Simulator (BONeS) 🦴?
📜 Before many modern networking tools existed, engineers were already using a graphical software environment called Block-Oriented Network Simulator (…
Claude Code in Production: The Guardrails Nobody Talks About (Until Something Leaks)
Your Claude Code session just spit out a perfect PR description, refactored three services, and drafted commit messages for the entire sprint. Clean. …
IRUTESAM V1.0 – A Cost-Effective IoT-Based Multi-Testing Device Using ESP32
Introduction Modern embedded development and wireless testing often require multiple specialized tools for analyzing Wi-Fi networks, testing NFC cards…
AI Research Engineer Open-Sources His Entire Workflow and Prompts
Fable 5 came and went. And because it was taken away so quickly, developers wanted it back even more. Scarcity has a way of making things feel more va…
Cloud Architect's 2026 Guide to Cheaper, Faster LLM Inference
Cloud Architect's 2026 Guide to Cheaper, Faster LLM Inference Three months ago I opened our quarterly cloud spend dashboard and almost choked on my co…
Zero Variance: Proving COBOL-to-Java Semantic Equivalence with a Live Mainframe Emulator on AWS
By Banu Parasuraman Distinguished Engineer | Account CTO | Mphasis "The mainframe isn't going away. But the teams who understand it are. The window to…
Enterprise AI Agents Are Leaving the Server | Focused Labs
Enterprise AI agents are leaving the server boundary. A boundary that looks deceptively small until the agent starts acting on behalf of a person insi…
AI Agent Cost Is a Runtime Signal | Focused Labs
AI agent cost management fails when cost is treated as a monthly bill as opposed to a runtime signal. A coding agent spends money differently than a b…
25. Build Your Own API
BootCamp by Dr.Angela 1. Building Your Own APIs You can build your own APIs using frameworks like Node.js + Express. API Platforms RapidAPI : Marketpl…
Cutting My AI Bill by 60%: A Freelancer's Context Window Diary
Cutting My AI Bill by 60%: A Freelancer's Context Window Diary Look, I'll be honest with you. Six months ago I was hemorrhaging money on API calls. No…
Commentor: evolution of my Comment Divider
A few months ago , I wrote a small Nushell script designed to take user-provided text and generate comments formatted for various programming language…
How I Cut AI API Costs by 65% — A Freelance Dev's 2026 Guide
How I Cut AI API Costs by 65% — A Freelance Dev's 2026 Guide Three months ago I opened my monthly invoice from a client project and nearly choked on m…
Notion AI's Pricing Trap: Why I Went Open Source Instead
Notion AI's Pricing Trap: Why I Went Open Source Instead I still remember the day my colleague slid a Notion AI invoice across my desk. The number mad…
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,…
Stop Reinventing Boilerplate: Modern Web Development Is About Orchestration
There is an old habit in web development that still feels attractive: build everything yourself. Custom boilerplate. Custom admin panels. Custom authe…
The Great Language Smackdown: 54 Languages Through the IVP Lens
Methodology note: This article is a product of GenAI. The methodology imposed online research for generation, then multiple rounds of adversarial revi…
Developer take on: Running local models is good now
Developer take on: Running local models is good now Forget the days when running powerful AI models required specialized hardware, complex setups, or …
Your feature flag defaults are backwards in tests
Most test suites get feature flag isolation backwards. The instinct is to opt in to a feature when a test needs it. The correct default is to force th…
How I Cut Speech-to-Text Costs by 60% Without Killing Quality
How I Cut Speech-to-Text Costs by 60% Without Killing Quality I've been running transcription pipelines in production for the better part of a decade,…
We audited 14 side-project launches. Zero critical bugs, same quiet flaws.
Originally published on the Prufa blog . Five days ago we audited 49 Show HN launches and found that 78% had a critical bug on day one. This week we p…
Recap — M0 Foundations
This module built one thing, from many angles: the container — the part of Spring that creates your objects, wires them together, and hands them out. …
The Day AI Argued With MDN (And Lost)
AI coding assistants have changed how we write software. They generate components, explain APIs, write tests, and even review pull requests. But there…
The Teach-Stack for Building Web Platforms in the AI-Native Era
Tools like Claude Code and Codex have completely reshaped how software engineering is done. This new tooling allows for much faster development and it…
Caching in System Design - The Secret to High Performance
There is a point in every system’s growth where adding more servers stops being enough. You scale horizontally. You introduce load balancers. You dist…
CS50 Learner Struggles with Knowledge Retention: Effective Study Strategies and Mindset Shifts Offer Solutions
Analytical Insights: Overcoming Knowledge Retention Challenges in CS50 Learners 1. Knowledge Acquisition: The Foundation of Learning The journey of a …
Karpathy's "Autoresearch" Just Went Viral — Here's How Software Engineers Can Actually Use the Pattern at Work
Forget neural networks for a second. The real idea inside this repo is a blueprint for letting AI agents run unattended overnight — and it maps onto p…
TypeScript 6.0 Released: The Last JavaScript-Based Version — New Features, Breaking Changes, and Migration Guide
TypeScript 6.0 Released: The Last JavaScript-Based Version — New Features, Breaking Changes, and Migration Guide TypeScript 6.0: The End of an Era and…
How I Cut My LLM API Costs by 70% Without Touching My Code
I was staring at my AWS bill, and my stomach dropped. $214 for AI API calls last month. That's more than my hosting, my database, my entire infrastruc…
Be Recommended by Inithouse: 4 Mistakes We Made Building an AI Visibility Checker — and the Fixes That Worked
At Inithouse — a studio running parallel product experiments — we built Be Recommended , a tool that checks how visible your brand is across ChatGPT, …