Course 26430
Course Introduction:The English name of HTTP status code is HTTP Status Code. When a user browses a web page, the user's browser will send a request to the server where the web page is located, and before the browser receives the request, the web page's server will return an HTTP status code information. header in response to the browser's request. The following common HTTP status codes: 200-Request successful, 301-The resource (webpage, etc.) is permanently transferred to another URL, 404-The requested resource (webpage, etc.) does not exist, 500-Internal server error.
Course 5054
Course Introduction:An asynchronous request means that after the client sends a request message, it does not wait for the server's response and continues to perform other operations. Web applications using Ajax technology can quickly present incremental updates to the user interface without the need to reload (refresh) the entire page, which allows the program to respond to user operations faster.
Course 2857
Course Introduction:Course introduction: 1. Cross-domain processing, token management, route interception; 2. Real interface debugging, API layer encapsulation; 3. Secondary encapsulation of Echarts and paging components; 4. Vue packaging optimization and answers to common problems.
Course 1795
Course Introduction:Apipost is an API R&D collaboration platform that integrates API design, API debugging, API documentation, and automated testing. It supports grpc, http, websocket, socketio, and socketjs type interface debugging, and supports privatized deployment. Before formally learning ApiPost, you must understand some related concepts, development models, and professional terminology. Apipost official website: https://www.apipost.cn
Course 5521
Course Introduction:(Consult WeChat: phpcn01) The comprehensive practical course aims to consolidate the learning results of the first two stages, achieve flexible application of front-end and PHP core knowledge points, complete your own projects through practical training, and provide guidance on online implementation. Comprehensive practical key practical courses include: social e-commerce system backend development, product management, payment/order management, customer management, distribution/coupon system design, the entire WeChat/Alipay payment process, Alibaba Cloud/Pagoda operation and maintenance, and project online operation. .....
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Course Introduction:AJAX stands for Asynchronous JavaScript and XML. It is a set of web development technologies for creating interactive web applications. AJAX allows web pages to communicate with the server without reloading the page. The ready state is an important part of handling AJAX requests. The request's ready status indicates the status of the request to the server and allows the client to track the progress of the request. Below we detail the different readiness states of AJAX. Unsent status (0) This is the first ready status of AJAX. It is represented by the integer 0. When making an AJAX request, the request is in an "unsent" state until the send() method is called. This means that the request has not yet been sent to the server, indicating that the request still needs to be sent. This state is also called X
2023-09-06 comment 0 956
Course Introduction:HTTP status codes 301 and 302 may cause the client to send the request twice. When the server returns a 301 or 302 status code, it tells the client that the requested URL has been moved to a new location, and the client will automatically redirect to the new location. URL and send a second request to get the resource. This process is often called "redirecting."
2023-12-05 comment 0 358
Course Introduction:The HTTP request times out, and the server often returns the 504GatewayTimeout status code. This status code indicates that when the server executes a request, it still fails to obtain the resources required for the request or complete the processing of the request after a period of time. It is a status code of the 5xx series, which indicates that the server has encountered a temporary problem or overload, resulting in the inability to correctly handle the client's request. In the HTTP protocol, various status codes have specific meanings and uses, and the 504 status code is used to indicate request timeout issues. in customer
2024-02-18 comment 366
Course Introduction:http request status codes include 100, 101, 200, 201, 204, 301, 302, 304, 400, 401, 403, 404, 500, 502, 503, etc. Detailed introduction: 1. 100 Continue, indicating that the server has received the header of the request, and the client should continue to send the main part of the request; 2. 101 Switching Protocols, indicating that the server has understood and accepted the client's request, and will upgrade through the protocol mode switching and so on.
2023-10-12 comment 0 762
Course Introduction:es6 asynchronous request has three states: 1. pending (waiting state), then and catch will not be triggered; 2. fulfill (satisfied state), when resolve is actively called back, it will be in this state and will call back then() ;3. Reject (rejection status) will trigger the subsequent catch callback function.
2023-02-14 comment 0 1903