Composition Root in Node.js: Dependency Injection Without a DI Framework
Introduction: The Quest for Clean Architecture in Node.js When building backend applications in Node.js, managing dependencies between services, dat…
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Image prompting lessons: stop describing the image, hand the model a reference sheet
Thirteen rounds, one afternoon, one word. The word was ONLINE and I wanted it drawn in a particular chunky cartoon style. I have the whole log becau…
Architectural Patterns - Design Patterns - Idioms
Architectural Patterns Viable software architectures are built according to some overall structuring principle. We describe these principles with ar…
Tired of "new" Everywhere? Learn Factory Method with Laravel
1. Hook & Problem Statement You're building a Laravel application. You need to create a payment processor. So you write: $processor = new Stripe…
Stop Writing Massive if-else Blocks: Master the Strategy Pattern in PHP & Laravel
1. Hook & Problem Statement You're a Laravel developer. You need to build a shipping cost calculator. You start simple. if ($country === 'USA')…
A Scalable ML Framework with Monadic Design
Originally published on wisl.dev . In the world of machine learning, going from research to production is often a painful, time-consuming process. A…
Mastering the Adapter Pattern in Java: Bridging Modern Architectures and Legacy Systems
1. Fundamental Base: The Problem and the Theory 1.1 Introduction The Adapter Pattern (also widely known by its alias, Wrapper ) belongs to the Struc…
The Boundary Independence Principle (BIP)
The Boundary Independence Principle (BIP) I've been writing about the SOLID principles for over a decade. I built InversifyJS because of them, I wro…
Design Patterns: Reusable Solutions to Recurring Problems
Design Patterns: Reusable Solutions to Recurring Problems A practical guide to classic design patterns in C#/.NET — Factory, Singleton, Repository,…
Full practical guide on creating production-grade webhook receivers
Throughout my career I have designed and implement tens of webhook handlers from Payments systems and delivery trackers to chat and real time commun…
Understanding CQRS: A Practical Guide to Command Query Responsibility Segregation
When you're building an application that needs to handle complex business logic, scale to millions of users, or maintain separation of concerns, you…
Prototype & Factory Method Design Patterns in Java - ClauseGuard
Introduction When ClauseGuard processes an uploaded contract, two problems appear immediately at scale. First, it needs to pick the right document p…
Why Your LLM Calls Need a Circuit Breaker: A Lesson from Last Party 🔌
Carnival time has begun. 🎉 We are organizing a house party, and if you are in and around Bangalore, you are invited. Just one condition: Don't be la…
Important Design Patterns in a Nutshell
When building complex software systems, writing code that simply "works" is not enough. As systems scale and requirements evolve, poorly structured…
Stop Editing Working Code: Understanding the Open/Closed Principle in Python
Every time a new requirement arrives, do you find yourself opening the same function and adding another elif block? If yes, your code may be signali…
Making ServiceLoader usable: a provider factory
I keep coming back to java.util.ServiceLoader . I have used it to put a JSON layer behind a contract, so the core code carries no direct dependency…
Flexible density for all the UI
In our UI system we dont use pixel values to define spacing, we use semantic variables, (t-shirt sizes: gap-sm , p-lg , my-2xl ) - so thats like you…
Enterprise Design Patterns in Python: Repository & Unit of Work — Real-World E-Commerce Example
Enterprise Design Patterns in Python: Repository & Unit of Work 🐍🏗️ Series: Enterprise Application Architecture | Source: Fowler's EAA Catalog |…
AI Added Caching to Your Code — And Quietly Polluted Your Business Logic
Originally published at recca0120.github.io Ask AI to add caching to your code, and it will. The result looks clean — cache logic extracted into a s…
Introducing the ArchUnit Checker for the Clprolf Framework
One of the most interesting aspects of architectural frameworks is not the rules themselves, but the ability to verify that those rules are actually…
The Repository Pattern and AQC — Part 1 of 3: Cleaning Up the Internals
The Series This is the first article in a three-part series on migrating from a traditional Repository Pattern implementation toward Atomic Query Co…
Language-Agnostic Code Generation: The Driver Plugin Model
TestSmith generates test scaffolds for five languages: Go, Python, TypeScript, Java, and C#. Each language has its own project structure conventions…
Swift Protocol Magic II: Designing a Reusable Location Tracking System
How to stop rewriting CLLocationManager boilerplate in every screen — and design something your future self will actually thank you for.* If you've…
Hexagonal Architecture is Not a Layered Architecture: Topology, Safety, and When to Walk Away
Most introductory articles draw it as an onion Every article about Hexagonal Architecture ends up with the same diagram: three concentric circles. D…