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As a software developer, you will certainly have a complete hierarchical understanding of how Web applications work, as well as the technologies used in these applications: browsers, http,html, Web servers, requirements processing, and so on.This

PHP always open automatically when exporting Excel files, how can I prevent it? header("Content-Type: application/vnd.ms-excel; charset=utf-8"); header("Content-Disposition: attachment; filename=$outputFileName"); header("Expires: 0");

http://www.yygh.net/index.php Direct form submission, always indicates that the account does not exist. Validation should be required in the background. I want to forge the origin of origin. I don't know how to set the origin of Origin $ch =

PHP solve the problem of garbled Chinese names of the file downloaded by the browser-compatible with most browsers functionsendFile ($ serverPath, $ filename, $ charsetUTF-8, $ mimeTypeapplicationoctet-stream) {file name garbled problem if

A workaround for returning data disappears after a PHP form submission error, PHP form This article to the Code farmers to introduce the PHP form submitted errors after the return of data to solve the problem, interested in the code farmers can

How do I select a path when saving in PHPExcel? How can I select the storage path for exporting Excel using PHPExcel ?? PHPcodeset_include_path (get_include_path (). PATH_SEPARATOR.LIB_DIR.DIRECTORY_SEPARATOR. & quot; PHPExcel & quot;. DIRECTORY_SEP

PHP header sets the common file type of Content-type, In PHP, you can send header information through the header function, you can also set the file Content-type, the following collation of some common file types for the Content-type value. Date 201

PHP solve the problem of garbled Chinese names of the file downloaded by the browser-compatible with most browsers functionsendFile ($ serverPath, $ filename, $ charsetUTF-8, $ mimeTypeapplicationoctet-stream) {file name garbled problem if

After testing, I first released my code [php] & lt ;? Phpsession_start ();/** remove boom as UTF-8 * vCode (m, n, x, y) m digit display size is n side width x side height y * http://blog.qita.in * self rewrite record session $ code */vCode );... "/>

September 24, 2014 4,692 views about browser cachingBrowser cache, sometimes we need him, because he can improve website performance and browser speed, improve website performance. But sometimes we have to clear the cache, because the cache can be

Cacheweb缓存可以自动保存常见的文档副本的Http设备，当web请求到达时，如果本地已有缓存副本，则直接响应。下面会解释http如何保持副本的新鲜度，以及缓存和服务器通信的问题。 Redundant data transfer is Bandwidth bottleneck: The general LAN bandwidth is relatively high, the metropolitan area network bandwidth is low,

After testing, I first release my code. [Php] Session_start ();/** Remove boom as UTF-8.* The value of vCode (m, n, x, y) m is n-side width x-side height y.* Http://blog.qita.in* Record the session $ code by yourself*/ VCode (4, 12); // 4 digits,

About Browser CachingBrowser cache, sometimes we need him, because he can improve website performance and browser speed, improve website performance. But sometimes we have to clear the cache, because the cache can be bad and there are some wrong

Original: http://igoro.com/archive/what-really-happens-when-you-navigate-to-a-url/As a software developer, you will certainly have a complete hierarchical understanding of how Web applications work, as well as the technologies used in these

Reduces server load. Apache enables the mod_expires module and apachemod_expires Mod_expires can reduce repeated requests by about 10%, so that duplicate users CACHE the results of specified page requests locally and do not send requests to the

JAVAEE -------- Filter set whether to cache (Filter) On a webpage, some requests are not required for each client to access the server, such as images and videos. This increases the workload of the server. To prevent this, we use a filter to set

Use media to query link different CSS files:LinkRel= "screen and (min-width:1px) and (max-width:500px)" href="/css/d1.css " /> link rel=" stylesheet "media=" screen and (min-width:500px) "href="/css/d2.css "/> META Tags:Metahttp-equiv="Cache-

PK looking for:http://support.microsoft.com/kb/316431/Symptoms...This problem occurs if the server is using Secure Sockets Layer (SSL) and has added the following two HTTP headers or one of them to the response

Referencehttp://igoro.com/archive/what-really-happens-when-you-navigate-to-a-url/Http://www.cnblogs.com/wenanry/archive/2010/02/25/1673368.htmlHttp://www.cnblogs.com/rollenholt/archive/2012/03/23/2414345.htmlOriginal:

This article is based on RFC2616 (http/1.1 specification), referencehttp://www.w3.org/Protocols/rfc2068/rfc2068http://www.w3.org/Protocols/rfc2616/rfc2616Http://www.ietf.org/rfc/rfc3229.txtTypically HTTP messages include client-to-server request