The shell is the Linux command line interpreter that executes programs called commands. It provides an interface between the user and the kernel. Although not a powerful scripting language, a shell script could be a quick-and-dirty method of prototyping a complex application. Note that most of the materials in this post are collected from internet.

RegEx specifies a text search pattern that is used to perform string-searching and validation. This post mainly focuses on the core concepts and critical details in RegEx that help us better understand it. Most of the materials in this post are collected from internet.

It is almost impossible to put all the information about C++ in one mere post. This post mainly focuses on the core concepts and critical details in C++ that help us better understand it. Most of the materials in this post are collected from internet.

It is almost impossible to put all the information about Python in one mere post. This post mainly focuses on the core concepts and critical details in Python that help us better understand it. Most of the materials in this post are collected from internet.

It is almost impossible to put all the information about Javascript in one mere post. This post mainly focuses on the core concepts and critical details in Javascript that help us better understand it.

This post is a summary of my initial blog building. It offers some guidance on how to use Jekyll and some clues to delve into details. To better understand some features, it interprets them using some javascript concepts.