IELTS test format

JavaScript apply(), call() and bind()

Suppose we have a function:

function selfGreeting() {
    console.log('Hello from ' + this.name)
}

Let's Encrypt HTTPS with NGINX setup

This is simplified steps, for full setup, refer to this tutorial.

HTTP methods: GET, POST, PUT, PATCH, DELETE

POST: create a new resource

POST /users
{
    "name": "Alice",
    "age": 20
}

First-class function in JavaScript and Java

What is first-class function?

• Can be named by variables.
• Can be passed as arguments to procedures.
• Can be returned as the results of procedures.
• Can be included in data structures.