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Note about CSS - part II

In my previous note, based on w3schools, CSS selectors can be catogorized into 5 categories, they are:


Note about CSS - part I

I would like to refresh my CSS knowledge. This is my summary I can use as reference later on.


Notes about what I learned SQL

What is SQL?

  • SQL stands for “Structured Query Language”.
  • It is for managing/interacting with data in a database.
  • This language servers one thing only, talk to database. So it is referred as a “spcial purpose” or “domain specific” programming language.

Note about Pure Function

My last technical interview, the interviewer asked me about Pure Function. It have been a while, so I would like to review it, and refresh myself.


What I know about JavaScript Closure - part II

This post is continual of What I know about JavaScript Closure - part I. In this post, I will work on the use-cases for closure.