Yifan Xu

This post gives a simple explanation of dependency injection.

Happy New Year y’all! This is gonna be my first post in (men’s) fashion, particularlly menswear. Some of the brands I just got to know for the past months and some of them

This is the first of a series of posts discussing some common object-oriented programming (OOP) design patterns. I am using head first design patterns as my reference. I also recommend watching the video

In this post, I will talk about how to write a unit test, what is mocking and why mocking is useful in unit test.

In previous post, I introduced a novel technology, Docker. However, there are some issues using them. In this post, I will introduce another technology that tackles one major issue of Docker. This technology

This is an intoduction of container and docker technology and how to use it for your application

This is a self-reflection on Pointers in C, especially its use in String

This is an introduction of ssh(secure shell) and public/private keys