What is CSS?

CSS stands for Cascading Style Sheets. CSS simply tell browsers how web pages should be displayed i.e., which color or size fonts should have, how wide a box should be, etc.

 

Document Object Model (DOM)

The Document Object Model (DOM) is a representation of HTML or XML documents as a tree structure

Dictionary

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Continuous Integration is the practice of comitting updates of sofware to a shared Version Control System (Git Repository) several times a day

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DevOps is the teamwork between the development team and the operations team in the software development. The operations team manages software and hardware and offers IT support

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Fullstack Developer refers to a developer that develops software both for front-end and back-end

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HTTP Request is a text message from a client (e.g. a browser) in a special format known as HTTP

GET /contact HTTP/1.1
Host: softigation.com
Accept: text/html
User-Agent: Mozilla/5.0 (Macintosh)

This HTTP Request has a method (GET), an URL (/contact), a host (softigation.com), a response format (Accept) that tells which format the client can understand (text/html) and the application the client is using to make the request (User-Agent).

A HTTP method can also be GET, POST, PUT or DELETE, etc.

HTTP Reponse is a text message from a server to a client

HTTP/1.1 200 OK
Date: Mon, 28 Jan 2019 11:08:46 GMT
server: nginx
Content-Type: text/html
<html>
<body>
Hello World
</body>
</html>

This HTTP response hast a status (200) which means OK, a Date, a server (nginx), a Content-Type which is a Internet Media Type that tells the client which format is being returned (text/html)

A HTTP status also can be 404 (Not found), 301 (Moved permanently), etc.

HTTP Services (Webservices) also called APIs (Application Program Interface). A Webservice delivers data to others computers or software applications in JSON or XML format through an URL

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Origin is a synonym for domain

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