Xing's Blog

Generate UUID in Java

uuidgen - create a new UUID value

Redux Toolkit is a package that simplifies the process of managing state in a React application using Redux.

useMemo is a React Hook that lets you cache the result of a calculation between re-renders.

React Context

React useReducer hook

The CSS display property.

nc - Netcat utility

Flexbox is a one-dimensional layout method for arranging items in rows or columns. Items flex (expand) to fill additional space or shrink to fit into smaller spaces.

Spring RestController Usage

Basic Mockito Usage

Spring supports asynchronus processing using @Async annotaiton.

Java 8 introduces new Date Time API that is easier to used than the traditional java.util.Date class.

MongoDB Basics

Working with S3 using AWS SDK for Java 2.x