JavaScript/TypeScript 5 Refactoring techniques that you can immediately apply
Many software developers want to know techniques that they can immediately apply to make their code readable. A function...
JavaScript/TypeScript 
Health Keeping high-performance brain and healthy
Coding requires concentration. If we are tired code would be less readable. Without concentration, it is easy to add new...
JavaScript/TypeScript Advanced state machine pattern
I recently implemented logic to provide state machine info. At first I didn't implement it by State pattern but I felt i...
Python Linear Regression for Machine Learning Beginners
The purpose of this post is to understand how linear regression works in order to start learning Machine Learning. Linea...
JavaScript/TypeScript Best way to implement utility function Top-level vs Static vs Namespace
There are several ways to offer utility function which is used by variety classes. Have you ever considered which way is...
JavaScript/TypeScript JavaScript/TypeScript currying arrow function
The currying or curried function is an arrow function that returns an arrow function. If the internal object also returns a function, it looks not readable. Let's break a big currying function into small pieces and understand how it works.
Other techs How do computers identify the destination
Internet is most important service today. Digital information is shared over the internet and we can search what we want...
Other techs Most common Git commands for daily work
This post explains the most used git commands in daily work. If you remember these commands, you can handle most cases.
JavaScript/TypeScript How to check if an object implements an interface in Typescript
When using Typescript the compiler detects the type error. It supports any data type but it is not recommended to use be...
JavaScript/TypeScript How to write Node-RED flow test
Testing the whole Node-RED flow is important but adding test flows is not a good idea. Test stuff should exist only in the test code. This post explains how to write Node-RED flow tests in JavaScript/TypeScript code.