Blog
Articles, guides, and notes on software engineering.
The Penguin Who Became a Seagull
The Penguin Who Became a Seagull
Recent Posts
The Importance of Explicitly Stating Constraints and Trade-offs in Technical Decision Making
Document technical decisions by explicitly stating constraints and trade-offs to enable future re-evaluation and org growth.
Basic Patterns of Cache Strategies
Learn the five cache strategies: Cache Aside, Read Through, Write Through, Write Back, and Write Around. Covers read/write flows, consistency trade-offs, and mermaid diagram walkthroughs.
ACID vs BASE: Understanding Database Consistency Models
Compare ACID and BASE consistency models. Understand the trade-offs involved, when to use each, and how the CAP theorem connects to your database design choices.
CAP Theorem Explained: Understanding Distributed Database Trade-offs
Understand the CAP theorem and PACELC theorem with clear examples. Learn the distributed system trade-offs between consistency, availability, and partition tolerance.
About Processing Models of Web Applications
Architect web applications with Event Loop, Thread, and Process models for IO-bound and CPU-bound concurrent workloads.
Introduction to Rego
Write Rego policies for Open Policy Agent with declarative syntax, rules, and built-in functions for access control.
A Retrospective Framework 'bmf' to Encourage Selection and Focus
Introducing a new retrospective framework to enhance focus and selection.
Practical Techniques for Building System Architecture
Practical Techniques for Building System Architecture
Created a Template to Manage Resumes and CVs with Markdown
Manage professional resumes and CVs using Markdown format with Git version control, automated PDF generation, and AI-powered improvements.
Developing TUI Applications with x/term
Develop TUI applications with Go's x/term package—master terminal state management, ANSI escape sequences, and interactive interfaces.
About Architecture, Architects, and Architecting
Understand architecture as essential system structure, architect responsibilities, and architecting activities for building aligned systems.
Principles of Building System Architecture: Three Mindsets IT Architects Should Have
Principles of Building System Architecture: Three Mindsets IT Architects Should Have
Linux Load Average Explained: How to Read and Diagnose Performance Issues
Understanding the concept of Load Average in system performance.
Cohesion and Coupling
Understand cohesion and coupling as software design metrics. Learn the 7 levels of cohesion (coincidental to functional) and 6 levels of coupling (content to data) with practical examples.
Access Control Patterns Using OPA
Explore four access control patterns using Open Policy Agent including Allow/Deny, SQL generation, and AST approaches with responsibility separation.
Introducing ggc — A Go-Based Git Tool
A complete walkthrough of ggc: the CLI/interactive split architecture, fuzzy-search engine implementation, Workflow Mode internals, customisable aliases, and cross-platform keybinding profiles.
Go's Concurrency and Parallelism Model and Goroutine Scheduling
Understand Go concurrency vs. parallelism. Covers goroutine scheduling, GOMAXPROCS, the GMP model, OS threads vs. goroutines, and how preemption works with sequence diagram examples.
Considerations and Solutions for Pagination Impact in OPA
Master pagination with Open Policy Agent, offset pagination, cursor pagination, and access control filtering.
PostgreSQL Memory Configuration
Guidelines for optimizing PostgreSQL memory settings for performance and stability.