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Breakpoint 🛑

A blog about technology and engineering

blog.phakorn.com ↗RSS feed ↗17 posts

Latest posts

Leadership in the Age of AI

Trust your team, protect the culture, and outsource the work without outsourcing the understanding.

Tic-tac-toe Over DNS

When DNS Becomes Your API

Less Is More in the Age of AI

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

Leading Without Permission

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.

Building a Simple Virtual Machine

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

JSON's Numeric Boundaries: The Lesser-Known Reality of Inaccurate Figures

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.

Bringing Pattern Matching to Go

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

My Naive implementation of no-code/low-code tool

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

MySejahtera is a Perfectly Good App With No Exploits

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

MySejahtera is a Perfectly Good App With No Exploits — Final (Dual Fix Ver)

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

MySejahtera is a Perfectly Good App With No Exploits — Part 2

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

MySejahtera is a Perfectly Good App With No Exploits

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

Implementing Encryption Feature in pdf-lib

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

Basic Structure of Portable Document Format (PDF)

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

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

Building a Node.js Event Loop Visualizer

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

Understanding how Babel Works

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