课程: Computer Science Principles: The Internet

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HTTP and requests

HTTP and requests

课程: Computer Science Principles: The Internet

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HTTP and requests

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- When you are working with a web browser, you are sending a web server a request for information. And then you get a response back from the server, with the information the browser needs to display information on the screen. This communication back and forth, between the browser and the server is called Hypertext Transfer Protocol, or HTTP. HTTP requests and communication take place on top of TCP/IP protocol. You can think of HTTP as a specific language that communicates on the same network as other languages. When you speak with someone you need to make sure that they are listening. With a person, the person you're talking to needs to be listening for a message from someone. The same exists with the web. A web server needs to have something that is listening for requests. Those requests are in the format of an HTTP request. When someone enters in a URL like www.dougminnie.com to their web browser, they are sending an HTTP request that is attempting to get information from the…

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