html last modified

1) What is "last-modified"?When the browser requests a URL for the first time, the server-side return status is 200, the content is the resource you requested, and there is a last-modified attribute that marks the last time the file was modified at

There are many kinds of caches: Server cache, third-party cache, browser cache, and so on. The browser cache is the least expensive, because the browser cache relies on the client and consumes little server-side resources.Making the browser cache

I should know a lot about linux in php. I have a question: after local development, how can I synchronize only the files modified in the last day to the server? Because synchronization has been performed at one time in the early stage and there are

I should know a lot about linux in php. I have a question: after local development, how can I synchronize only the files modified in the last day to the server? Because synchronization has been performed at one time in the early stage and there are

PHP should be a lot to understand Linux, ask a question, local development, how to only the last day of the modified files to sync to the server? Because the previous time has done a synchronization, a lot of files, so it is impossible or the whole

HTML xmlns="http://www.w3.org/1999/xhtml" > head runat="Server" > meta http-equiv= "content-type" content= "text/html; Charset=utf-8 "/> title>title> head> body> form id="Form1" runat="Server" > div> input

This example implements the last modification time to display a Web page file. You first add a text box control to the page, and then use JavaScript to create a function that invokes the LastModified property of the Document object in the function,

Code and principle of 304 Not Modified on the asp.net page, 304 modified Through the previous example, we have seen the benefits of Caching: it can be reduced to server access, because the page can be displayed without accessing the server, which

If-modified-since & if-None-match If-modified-since, like last-modified, is the HTTP header used to record the last modification time of the page, but last-modified is the HTTP header sent by the server to the client, if-modified-since is the

If there are any problems with the website or the server, you will first think about whether the file on the server has been modified, and search will use the Find command as follows: Finds files in the current directory. php file that have been