Systems Design & Architecture

Not the frameworks. The actual log: which prompts I got, which decisions I defended badly, and the exact question that started turning… Continue reading on Code

One small pattern keeps a single broken dependency from taking down everything around it. Continue reading on Python in Plain English »

A trace becomes useful only when it records who connected an engineering element, from which concern, and why. Continue reading on Medium »

User: can i say that abstraction is not exactly part of programming or more better code it is for algorithm may be or thinking process of… Continue reading on M

# **A Storm Didn’t Decide This Battle: How a Sergeant Fixed Our Broken Tactics Engine** At 3 AM,...

Writing code is becoming easier. With AI tools, you can generate APIs, database queries, UI components and even complete features much faster than before. But b

Running a restaurant is nine domains in a trench coat. Why carving a messy business into clean, bounded modules is the underrated core skill.

Every C# developer can recite the four pillars of OOP in an interview. Fewer can point to where each one is actually doing work in a real… Continue reading on M

Ownership and borrowing are a compile-time consensus protocol — the thing senior engineers have been solving badly, by hand, in production… Continue reading on

Introdução Uma classe (subclasse/derivada) reaproveita estrutura e comportamento de outra...

Introdução Definição: expor o "o quê" e esconder o "como". É a diferença entre uma...

Acho que todo dev já passou pelo momento de se deparar com um projeto e se perder no meio de tantos...

I was asked to benchmark CognoDB Cloud, a managed graph database, against four other graph platforms...

Frontend/API architecture Continue reading on Medium »

When engineering custom digital software or enterprise platforms, modern companies require scalable architecture to avoid performance… Continue reading on Mediu

Every one of my publishing lanes went dark for four days, and every script involved exited with...

The Quest Begins (The "Why") I was knee‑deep in a micro‑service that needed to fan‑out...

The six components, drawn as a system Continue reading on Medium »

I Gave Five Graph Databases 256MB of RAM Each. Here's What Broke. CognoDB Cloud's free...

3.1 Introduction The previous chapter explained how a user request flows through the Adaptive...

I used to think an operating system was basically a desktop, some windows, a taskbar, and a bunch of applications. Continue reading on Medium »

Discover how PWAs boost developer velocity with unified codebases, zero back-compat headaches, modular architecture, and modern automated CI/CD testing.

Take a look at this sayHello example from an earlier chapter: Note: the examples are available on...

Módulos de alto nível não devem depender de módulos de baixo nível. Ambos devem depender de...

No class should be dependent on methods it doesn't need. An example would be a "Machine" interface...

Nenhuma classe deve ser dependente de métodos que não precisa. Um exemplo seria uma interface...

A parent class must be able to be substituted by its child classes without breaking the...

The real trade-offs behind monoliths, microservices, scaling and choosing the right architecture. Guide in the AI age. Continue reading on Medium »

“Why are we using Riverpod here?” Continue reading on Flutter Hub »

First-Fit, Best-Fit, and the Bug That Hides Until Op 400 Continue reading on Medium »

The Quest Begins (The "Why") I still remember the first time I tried to make a Go program...

The Quest Begins (The “Why”) I was building a tiny API service that needed to protect...

Rate Limiting, Circuit Breaker, and Retry with Backoff: explained with one running example, in plain English, with just enough code to… Continue reading on Medi

Sepanjang pembahasan di Seri #16 dan Seri #17 KapsulTech, kita telah mempelajari bagaimana transisi ke microservices serta optimasi… Continue reading on Medium

The missing concept behind alias analysis and undefined behavior in C. Continue reading on Medium »

“Where should I initialize everything?” Continue reading on Flutter Hub »

Good software design is often about depending on what something does, not how it does it. Continue reading on Medium »

Why Java’s checked exceptions feel like half-finished algebraic data types — and what modern Java can do about it Continue reading on Heap & Wire »

Part 1: Arborescence (General Definition) there may be inaccuracies or simplifications in...

Your endpoint asked for 50 parent records. The generated SQL, materializer, change tracker, mapper, and serializer may process far more. Continue reading on Rea

A practical guide to classic design patterns in C#/.NET — Factory, Singleton, Repository, Strategy, and Mediator — covering what problem… Continue reading on Me

Object-Oriented Programming (OOP) taught a generation of software engineers to model complex domains...

Scaling an enterprise beyond basic billing tools introduces significant technical complexity. When a...

The advantages of Object-Oriented Programming (OOP) go beyond simply writing code. OOP helps keep programs organised, reusable, easy to… Continue reading on Med

I spent way too much time being confused by one sentence about linked lists: “Insertion is O(1)...

I read the post, agreed with it, and opened my repo to plan the migration. Then I could not find the...

8.1.0. Chapter Overview Continue reading on Medium »

system design is the language. ai is the compiler. Continue reading on Medium »