Background Recently I’ve been learning Rust, which is a programming language that aims to be as fast as C but absolutely memory-safe. It feels like a mix of the best features from many languages, including Python (format! vs. f-strings), Java (iter vs. stream), C (speed), C++ (references), and JavaScript (mutability?). And as I was learning, … Read more
Solving levels 20-25 of the Python Challenge (www.pythonchallenge.com)!
After 25 days of participation in Advent of Code 2023, I finished on the global top 100 leaderboard as #78! 🎉🥳 Reflection The first around 10 days were relatively easy. These questions don’t require very much algorithmic thinking, and therefore, more people participated and my rankings were not very high, with the exception of a … Read more
I made it onto the Advent of Code 2023 global leaderboard! (Barely.)
I made a little gadget with two micro:bits for Halloween.
This summer I participated in the MIT App Inventor Summer Appathon, which the official website described as “a marathon-like event to build apps.” As my first year in the event, I built a simple app that generates stories for children with AI power. And to my big surprise, I actually earned an Honorable Mention! In … Read more
In a previous post I wrote about the Book Recommendations website that I created. Recently I had the chance to update the website! I did so because the last version seemed a bit hard to understand, and many people were confused on how to use the website. Check out the website now, or bear with … Read more
Preface At my school, BASIS International School Nanjing (BINJ), there is a house system. It is stolen borrowed straight from Harry Potter, but with the four houses named after the four seasons (Spring, Summer, Fall, Winter) and no giant floating automatic magical tubes. Instead, teachers hand out actual physical House Points (colored plastic chips), and … Read more
Yeah, I’m now a contributor to CPython 🙂 I caught an extremely significant bug in CPython that affected the coding experience of each and every Python programmer. The bug was so obvious that I was so surprised that no one already found out! Look: Look at line 904 of the typing.py library. How is it … Read more
In the AoPS classroom (https://artofproblemsolving.com/classroom/room/XXX), when a user joins a room, the server fires a “room-joined” event to the client. The event data contains all the users, but the user session id is also sent. This session id is, in fact, the same as the session id stored in the “aopssid” cookie. Then, if a … Read more