last request

This article for you in detail under JS in the automatic removal of IE cache several methods, we can according to their own needs free choice for their own, I hope you learn JS has helped js automatic removal of IE cache method- commonly usedFor

Recently in the optimization of the CDN, the browser cache in-depth study, a record, convenient after the comerDraw a Sketch:A detailed description of each status is as follows:1 , last-modifiedWhen the browser requests a URL for the first time, the

Hide form fields:Hidden fields are invisible elements that are used to collect or send information, and hidden fields are invisible to visitors to a Web page. When a form is submitted, the hidden field sends the information to the server with the

AJAX = Asynchronous JavaScript and XML (asynchronous JavaScript and XML)One, Ajax parameters1.url:Requires that the requested address be sent as a parameter of type string (the current page address is assumed to be the default).2.type:A parameter of

http stateless? An HTTP stateless protocol means that the Protocol has no memory capability for interactive scenarios.When you click on a plain HTML page and request the HTML file resource of the server, each HTTP request will return the same

HTTP StatelessThe HTTP protocol is stateless (stateless). That is, when the same client accesses a page on the same server for the second time, the server cannot know that the client has visited and the server cannot distinguish between different

HTTP State code (HTTP status codes)Some of the common status codes are:200-Server successfully returned page 404-requested page does not exist 503-service not availableAll status explanations: Click to view1XX (Temporary response)A status code that

First, the principle articleBelow are the underlying interactions between iOS and Android and JavaScript, respectively.IosBefore explaining the principles, first to understand the iOS UIWebView components, first look at Apple's official introduction:

The HTTP status code is a 3-bit numeric code that represents the HTTP response status of the Web server. It is defined by the RFC 2616 specification and is extended by RFC 2518, RFC 2817, RFC 2295, RFC 2774, RFC 4918, and other specifications.1xx

HTTP message structure:The message generally includes: 通用头部 , 请求/响应头部 , 请求/响应体 .Universal HeadThis is the most information the developer has ever seen, including the following: Request URL: Requested Web server address Request method:

2 Opening (successful request) indicates that the status code of the request was successfully processed.200 (success) The server has successfully processed the request. Typically, this indicates that the server provided the requested Web page.201

Recently many students are asked JMeter upload, download the file of the script how to do, to pressure test upload, download the function of the file, script how to do, on-line check all said very vague, this time, we will be good jmeter upload

This article records the policy of ensuring concurrency security--invariance.(Note: It is immutable, not invariant!)Organizing a sequence of behaviors into an atomic operation to guarantee invariance conditions, or using a synchronization mechanism

front-end people must have the knowledge point, whether you have experience, read this article absolutely have the harvestThis article is aimed at front-end enthusiasts, front-end job seekers (saying that it is easy to get to the interview)Original

First, the concept1.HTTP protocol: Hypertext Transfer Protocol (Hypertext Transfer Protocol). Is a rule that specifies the communication between the browser and the Web server, which allows Hypertext Markup Language (HTML) documents to be routed

HTTP protocol and Web natureAs a developer, especially a web developer, I think you need to understand this series of processes, during which the browser and server exactly how to deal with it? How does the server handle it? How does the browser

Introduced The public has recently shown a strong interest in the rest-style application architecture, suggesting that the web's elegant design is beginning to be noticed. Now we have come to understand the scalability and resilience inherent in

Why do you use interceptors? At any time, if we want to add global functionality to a request, such as identity authentication, error handling, etc., it is a good way to implement a request before it is sent to the server or when the server returns.

Some of the stages listed above are not visible at the page level and are meaningful only to the creator of the server control and to the developers who want to create the class derived from page. Init, Load, PreRender, Unload, plus all postback

1. What is session L Use cookies and additional URL parameters to pass the state information of the last request to the next request, but if more state information is passed, it will greatly reduce network transmission efficiency and increase the