/fizz::buzzerSyntax Serenity: Navigating the world of code with passion. 2026-01-18T17:13:35+08:00 fizzbuzzer / Jekyll © 2026 fizzbuzzer /assets/img/favicons/favicon.ico /assets/img/favicons/favicon-96x96.png How To Implement a Keylogger for macOS Using C++2025-02-23T21:56:00+08:00 2025-09-05T12:05:08+08:00 /posts/implementing-a-keylogger-for-mac-os-x/ fizzbuzzer How To Implement a Keylogger for macOS Using C++ GitHub repository In this post, I will show you how to implement a macOS keystroke capturing app using C++. This blog post is intended solely for learning purposes. As part of the process, the application first establishes communication with a command-and-control (C2C) server to download a basic configuration before proceeding with any fur... Cointegration Analysis of GLD and GDX for Pair Trading Strategy2025-02-01T21:56:00+08:00 2025-02-02T17:01:36+08:00 /posts/testing-for-cointegration-of-gld-and-gdx-for-use-in-a-pair-trading-strategy/ fizzbuzzer Cointegration Analysis of GLD and GDX for Pair Trading Strategy In this research I am going to test whether the price series of two securities GLD (Gold Price) and GDX (Gold Miners Equity ETF) are cointegrated. This is crucial if we want to develop a pair trading strategy around those two securities. I want to test if the spread between the two series is stationary around its mean. For my pair... Calculating ROIC and Capital Employed: Financial Analysis and DCF Model in Python2025-01-03T21:56:00+08:00 2025-01-03T21:56:00+08:00 /posts/intrinsic-value-calculator-using-python/ fizzbuzzer Calculating ROIC and Capital Employed: Financial Analysis and DCF Model in Python GitHub repository In The Little Book of Valuation by Aswath Damodaran, the reinvestment rate is a key concept used to estimate a firm’s growth potential. It refers to the proportion of earnings that a company reinvests back into its operations instead of distributing as dividends. This reinvestment drives fu... Using Neural Networks and Combinatorial Cross-Validation for Stock Strategies2025-01-03T21:56:00+08:00 2025-01-05T20:29:11+08:00 /posts/using-neural-networks-and-ccv-for-smarter-stock-strategies/ fizzbuzzer Using Neural Networks and Combinatorial Cross-Validation for Stock Strategies GitHub repository This post draws from Chapter 7 of the remarkable book Advances in Financial Machine Learning by Marcos Lopez de Prado. Cross-validation plays a critical role in reducing the risk of overfitting, and the book emphasizes its importance as a cornerstone of sound research practices. The approach d... Scraping Stock Purchase Filings from the House of Representatives2025-01-03T21:55:00+08:00 2025-01-03T21:55:00+08:00 /posts/scraping-house-representatives-stock-purchases/ fizzbuzzer Scraping Stock Purchase Filings from the House of Representatives GitHub repository The United States House of Representatives: a supposedly august body tasked with shaping the nation’s laws. Alongside the Senate, they form a bicameral legislature wielding immense influence over the economy—crafting policies on taxes, regulation, and trade that ripple across industries. Yet behind this ve...