A service to allow user to login by WeChat account. And limit login in one machine by session or login once each time by limitation in client. Provide usage of the API with Vb.Net which is the cust...

Use Selenium to link to Bit Browser debugger address to post Toutiao article as configuration automatically. Use PyQt to build the GUI.

Munich LeDu Company contains 12+ restaurant (Ya-黄鹤楼, etc.), so they need a automation software to help them to schedule the work time of each employee, salary, tax Excel, etc.

A mini program for a clothing merchant to show their products and receive contact from customers.

ios + backend controller + backend service - Tutoring company software. Record students, teachers, courses, book a class time, salary, different roles and permissions. After the project was deliver...

A commercial project which is used for a Japanese sake merchant to customizely show their products and receive contact from customers. The frontend is designed to be able to show the content of eac...

Use Nextjs to create a iframe of AI bot that can insert into any webpage.

An app based on indexedDB which is used for merchant to record orders, customers with their pre-paid money and calculate benefit and balance.

Prepare a "coat" for other programs which user can use a time-limited key to log in. User's machine is bound. Supervisor have has his own interface. <br /> Use SHA-256 encrytion, http request, Mult...

The personal webpage in my github io (https://duguyifei.github.io).