I am a young web developer (in high school) who is devoted to building something new with code, pushing my limits, and making a name for myself in this rapidly growing field.
— About: an introduction and a short history
— Blog: 30+ articles I've written about code
— Projects: projects I've built and worked on
— Résumé: what I've done, what I know, and what I offer
Scroll down to see the latest from me, and I hope you enjoy this site.
— Gabriel Romualdo, October 21, 2020
January 11, 2021
Est. 2 min read
Rate limiting is the process of preventing repeated requests to a server in effort to remove spam requests. Typically, a limit is set, such as 200 requests to the server ...
December 31, 2020
Est. 5 min read
Have you ever wondered how your computer calculates certain mathematical functions, like division, or trigonometric functions like sine or cosine? Well, for some of these...
December 15, 2020
Est. 5 min read
The HTML5 Gamepad API is one of the more exciting HTML5 APIs in my opinion. The API allows browser games and sites to take input from real game controllers connected to t...
December 12, 2020
Est. 2 min read
Cronjobs are tasks that can be run periodically, such as every five minutes, or every day at midnight, or even every Friday at noon. Cronjobs have a number of different u...
November 20, 2020
Est. 7 min read
The Sierpinski triangle is a famous mathematical figure which presents an interesting computer science problem: how to go about generating it. In this article I'll explai...
October 11, 2020
Est. 8 min read
I recently worked on an open source project called Jupiter, an online AI written in JavaScript to beat the popular online game 2048. In this article, I'll be analyzing th...
September 12, 2020
Est. 3 min read
Today I'm proud to release my online 2048 AI, Jupiter. Jupiter uses a machine learning method called the Monte Carlo Tree Search (MCTS) algorithm. I've released an articl...
September 12, 2020
Est. 5 min read
I recently worked on an open source project called Jupiter, an online AI to beat the popular online game 2048. In writing this AI, I decided to use a machine learning met...
August 8, 2020
Est. 3 min read
I recently spent a few hours refactoring some of the backend code on this site at xtrp.io. In changing the backend, I wanted to make sure the refactored code worked the s...
July 31, 2020
Est. 5 min read
Discord bots can be useful in doing a variety of things like playing music in a voice chat, or sending automated announcements when a Youtuber releases a new video. I'm a...
May 27, 2020
Est. 3 min read
Custom scrollbars on the web can make a site or design stand out. They can help in portraying key design aspects of a site, whether that be a specific color or a particul...
May 24, 2020
Est. 3 min read
Due to lockdown and quarantine in numerous countries, this year's AP tests were moved to an online platform created by College Board, the creator of the AP program and ot...
March 21, 2020
Est. 6 min read
Today, I am proud to release my latest web app and project: Coronavirus (COVID-19) Live Monitor, your hub for news and information on the Coronavirus outbreak. The code c...
February 29, 2020
Est. 3 min read
Global variables can cause serious problems and bugs in large-scale projects and web apps. IIFE's solve this problem by wrapping code in an immediately invoked function, ...
February 5, 2020
Est. 4 min read
I just recently added a fun little feature on my website at xtrp.io: a progress bar when reading blog posts. The bar would show how far users have progressed in reading a...