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In the website, the http request is stateless, that is, when user 1 connects to the server and logs in successfully, when refreshing the website and reconnecting, it still needs to log in again. Different users cannot be identified only through general information. The emergence of cookies is to solve this problem and realize the function of re ...

webStorageBasic conceptswebStorage provides two storage methods, localStorage and sessionStorage.localStorage is a persistent storage, and the stored content will exist permanently if it is not deleted activelysessionStorage is session level storage. Close the browser and destroy itThe specific difference isAfter closing the web page and reopen ...

Note: This article is part of the understanding ASP.NET Core series. Please check the top blog or Click here to view the full-text catalog summary Usually, Authentication and Authorization are discussed together. However, because the two languages are similar in English and the words "Authentication and Authorization" are often used ...

Introduction: Crawler is a program that automatically grabs Internet information. It can grab valuable data from the Internet. Commonly used libraries include urllib, beautiful soup, etc urllib parses the text information returned based on the request, and beautiful soup parses based on the interface label The usage of urllib is described i ...

1, What is a Cookie?HTTP Cookie (also known as Web Cookie or browser Cookie) is a small piece of data sent by the server to the user's browser and saved locally. It will be carried and sent to the server the next time the browser sends a request to the same server. Usage scenario:Session state management (such as user login status, shopping car ...