Kevin Xu

Open source software is software distributed along with its source code, using a permissive license that allows anyone to view, use, or modify it. The term “open source” also refers

I have a habit of scrolling through Hacker News at least once a day, checking out both its front page and the “new” section. Besides getting a general pulse on what developers like

My 87-year old grandmother lives in a senior home located in the suburb of Shenyang, an industrial sprawl in the Northeastern region of China. She’s tech savvy. She uses three apps to

When a user interacts with an application to order a ride with a ridesharing app, the data for that user interaction is written to a “transactional” database. A transactional