Now, Let us take a good look at the inbuilt features offered by a comprehensive chat app: 1. Instant Messaging: This is the basis of your app’s success, and a basic feature of all chat apps. It ...
According to MDN, the WebSocket API is an advanced technology that makes it possible to open a two-way interactive communication session between the user's browser and a server. With the WebSocket ...
Minifying a file involves removing unnecessary formatting, whitespace, and code. Since every unnecessary piece of code adds to the size of your page, it’s important that you eliminate extra spaces, ...
HTTPS: Encrypted Connections The two are essentially the same, in that both of them refer to the same “hypertext transfer protocol” that enables requested web data to be presented on your screen. ...
The critical rendering path (CRP) looks at the sequence of steps the browser takes to receive HTML, CSS, and JavaScript bytes, as well as the techniques required to render the initial view of the web ...
First of all your computer has to interpret the signals coming through from your keyboard—each key press closes a specific electrical circuit that tells your computer the letters and symbols you’re ...
This is a classical question in an interview. We can concatenate the topics all above in this theme: Do the DNS query first, it will offer the most suitable IP address with the intelligent DNS ...
How to get-the-token-in-postman-whenever-i-use-middleware-in-my-private-routes, so I can check from back-end that my secured authenticated routes ( secured with Passport.authenticate middleware) are ...
Open a webpage ( say https://github.com/rohan-paul ) in Google Chrome and go to “View > Developer > Developer Tools” menu. You can also open the developer console by right clicking on the page ...
Aapart from GET, there are other types of HTTP methods including: HEAD POST PUT DELETE CONNECT OPTIONS TRACE What Does the PUT Method Do? The PUT method completely replaces whatever currently ...
1. The most fundamental difference between the two is that TCP and HTTP works at different layers, i.e, they have independent (and radically different ) tasks to perform. TCP is a transport-layer ...
The HTTP status codes are developed as per the Internet standards defined by Internet Engineering Task Force (IETF). They are classified into five different categories as below: 1xx series – ...
