Latest Posts

Let's see how to use react-testing-library to test the React project created by create-react-app.

create-react-app uses Jest for the testing. So, let's see how to use Jest.

Let's see how to apply and use styled-components to the React project created by create-react-app.

Let's see how to use the absolute path for importing components in the create-react-app project with TypeScript.

Let's see how to apply TypeScript to the React project created by create-react-app.

Let's see how to use create-react-app to create a new React project

Let's see what React is and what the characteristics of React are.

Let's see how to use react-native-iap to implement IAP(In-App Purchases) in React Native.

Let's see how to handle exceptions to prevent the program from terminating, when an unexpected error occurs in Ruby.

Let's see how to use File I/O in Ruby.

Let's see what the procedure object and how to use it in Ruby.

Let's see how to use the Iterator to handle the arrays more comfortable in Ruby.