Posts
All the articles I've posted.
SIM card I am using
A personal inventory of SIM cards across China (Mobile, Unicom, Telecom) and international options (CMHK, GiffGaff, PayGo, Globe) with pricing and use cases for number retention and service registration.
Rime on Mac Tutorial
A comprehensive tutorial for setting up Rime (Squirrel) input method on macOS with the rime-ice dictionary, including WeChat keyboard themes and Dropbox-based vocabulary synchronization.
Himo Mini Program Security Issues
A security research disclosure revealing an IDOR vulnerability in Himo (Haima Ti) photo studio's WeChat mini program that exposed customer order details and contact information through predictable order numbers.
U.S. Visa Waiting Time View
Live U.S. visa interview wait times for selected embassies and consulates, refreshed every 3 hours from travel.state.gov.
Bank of China Hong Kong Account Opening Guide
A detailed firsthand account of opening a Bank of China Hong Kong account as a mainland Chinese visitor, covering branch selection strategies, required documents, and tips for navigating the increasingly strict verification process.
Summary of University Life
A reflective essay on four years of university life as a CS student in Shanghai, from early programming experiences and internships to the decision to pursue graduate studies in the United States.