Archives

Discipline, elegance, and the engineer’s true work.

Leadership isn't a title handed down - it's a daily choice to step up, take responsibility, and lift others. Reflections on leading without waiting for permission.

Explore building a simple VM in Go using stack-based architecture. Learn the fundamentals of virtual machines through hands-on implementation.

Explore the hidden challenges and limitations of handling large numbers in JSON. Learn about precision loss, IEEE 754 floating-point representation, and best practices for reliable numeric data handling.

Explore pattern matching in Go through declarative branching techniques to write cleaner, more maintainable conditional logic

Implement a naive no-code/low-code using Temporal and YAML DSL for simplified, scalable, and fault-tolerant application development

Investigate MySejahtera app security; significant exploit enables users to alter status to "Person Under Surveillance" unvalidated

Final part of MySejahtera investigation reveals more security flaws in password reset functionality and app SSL pinning

Part 2 of MySejahtera investigation reveals more security flaws in registration and OTP verification endpoints

MySejahtera: Malaysia's COVID-19 app with serious communication glitch.

A deep dive into implementing PDF encryption in pdf-lib, exploring PDF file structure, encryption dictionaries, security handlers, and crypt filters

Guide to understanding the fundamental structure of PDF files, including headers, body objects, and key components of the PDF standard

Microsoft Cloud Skill Challenge is a Perfectly Balanced Challenge - A guide to get over 3,000,000 XP

A visualization tool for understanding JavaScript and Node.js event loops through interactive demos and code instrumentation

Learn how Babel transforms modern JavaScript code by breaking down its core components and understanding the transformation pipeline