Programming Tutorials

This is the continuation of "The script that refused to stay small". The conversation had already been happening for months: three data centers, risi

After more than ten years of real-world development, production systems, and training 200+ engineers in event-sourced architecture, the Eventide proje

How We Refactored 100k LOC of Python 3.15 to Rust 1.86 and Cut CPU Usage by 55% at a Fintech Startup At LedgerFlow, a fintech startup proce

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Every few months someone asks in a dev forum: "Is there a plugin to migrate from Shopify to WooCommerce?" The answers are always the same — outdated p

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All tests run on an 8-year-old MacBook Air. All results from shipping 7 Mac apps as a solo developer. No sponsored opinion. Every app has an AI button

Many command interfaces look deterministic until they meet real production traffic. This is part 4 of our ongoing series on safely integrat

If this is useful, a ❤️ helps others find it. All tests run on an 8-year-old MacBook Air. The same error appears twice. Most AI tools diagnose it tw

Money is deceptively simple. You have an amount, you have a currency. How hard can it be? Turns out — very. A tiny mistake in how you represent a num

If you need to call Java from a .NET app, the first answer is usually “just shell out to java.exe.” That works right up until you need objects, except

Mutex deadlocks in production: the patterns I found in my codebase and how I diagnosed them It was 11:47 PM and the service wasn't respondi

Imagine an AI agent submits a transaction to a typical chain. What does the chain actually see? It sees a 20-byte address. Maybe a 32-byte one if you

In 2024, 68% of production outages traced to unoptimized runtime code cost enterprises $2.3M on average. This guide delivers benchmark-verified optimi

Full code: raflizocky/laravel11-tailadmin. # Laravel 11 Requirements php -v # >= 8.2 composer -v node -v # >= v14.16 npm -v Laravel

When raw throughput collides with real-world complexity, the fastest I/O model isn’t always the winner Network Programming Battle: io_ur

Learn how to work with a wide range of open large language models (LLMs) such as Gemma, Kimmy, and GLM across various local and cloud-based environmen

Python Decorators Explained Simply Introduction Python Decorators Explained Simply is essential knowledge for every developer.

Zero to Web3: Writing Your First Smart Contract Deploy Your First Contract in 5 Minutes The Contract // SPDX-Licen

Building a Cross-Chain DeFi Monitor in 30 Minutes with Python Why This Matters The blockchain space is growing fast, and cross-c