how to press f5 on laptop

from the server, and no cache will read. In order to prevent the cache in the server to read, in the Ctrl+f5 refresh, the header of the request also added a special field, this can be used Firebug to see, it is very interesting. The Pragma:no-cache cache Control:no-cache will be added to the request header. These two are to tell the server to all the nodes in the middle of the browser, no cache, see this intermediate node also do not check their cach

5.1; rv:5.0) gecko/20100101 firefox/5.0Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8Accept-language zh-cn,zh;q=0.5Accept-encoding gzip, deflateAccept-charset gb2312,utf-8;q=0.7,*;q=0.7Connection keep-alivePragma No-cacheCache-control No-cacheIf-modified-since No, Cache-control replaced No-cache, in addition pragma line is to compatible HTTP1.0, the role and Cache-control:no-cache is the same. This means that I do not cache the files, forced to refresh, directly to the s

. Server ResponseThe process is the same as above. In this case, if you find a box of milk and do not check its validity period, you can directly ask others if they can drink it. Finally, press Ctrl + F5 to refresh. The HTTP request message header is as follows: Host 192.168.3.174: 8080User-Agent Mozilla/5.0 (Windows NT 5.1; RV: 5.0) Gecko/20100101 Firefox/5.0Accept text/html, application/XHTML + XML, ap

-encoding gzip, deflateAccept-charset gb2312,utf-8;q=0.7,*;q=0.7Connection keep-alivePragma No-cacheCache-control No-cacheIf-modified-since No, Cache-control replaced No-cache, in addition pragma line is to compatible HTTP1.0, the role and Cache-control:no-cache is the same. This means that I do not cache the files, forced to refresh, directly to the server to re-download, so the server response processing and the first request of the URI, the same as the return of the new content. This refresh,

where you press Enter in the address bar is divided into two cases. One is that the requested URI does not expire in the browser cache, at this point, the HTTP request message header displayed in the browser using the Firefox Firebug plugin is as follows:Host 192.168.3.174:8080User-agent mozilla/5.0 (Windows NT 5.1; rv:5.0) gecko/20100101 firefox/5.0Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8Accept-language zh-cn,zh;q=0.5Acc

Duanxx Vs learning: Vs press F5 to compile the program for reasons and solutions, duanxxvs Today, after opening a project of Vs, I want to run it to see the effect. After pressing Ctrl + F5, Vs did not respond. After a long time, I finally found the cause: is a problem with Solution and Project. First, let's take a look at it. The compiling menu of a normal Pro

Win7 System computer frequently in the keyboard press F5 refresh key what role? sometimes operating Win7 flagship system, the habit of pressing the keyboard F5 keys to refresh the table, some users feel very puzzled, in the keyboard press F5 or the right mouse button constan

Win7 Desktop does not automatically refresh need to press F5 key to do? The Win7 system desktop holds shortcuts to programs, files, and folders, such as My Computer, network, browser, and Recycle Bin. Shortcuts enable you to quickly open the programs you need, and also facilitate management. Sometimes the user feedback said Win7 flagship system desktop can not automatically refresh, each time you have to ma

Win7 system desktop icon cannot be refreshed automatically need to press F5 key What's going on? 1, first use the key combination "Win+r" to open the Run window, and enter the "regedit" command to press Enter or determine; 2, open Registry Editor, in the left menu list, expand in sequence: Hkey_local_machinesystemcurrentcontrolsetcontrol Open the control

Win8 System Press Fn+f5 key cannot pull out wireless switch how to handle? The workaround is as follows: Reason one, do not install Lenovo Power management Program You can find the confirmation in the "Uninstall Programs" program list in the Control panel---, as shown in the following image as the Lenovo Power Management program, which generally identifies the words "energy Management". Pr

Duanxx Vs learning: Why Vs press F5 to compile programs and Solutions Today, after opening a project of Vs, I want to run it to see the effect. After pressing Ctrl + F5, Vs did not respond. After a long time, I finally found the cause: is a problem with Solution and Project. First, let's take a look at it. The compiling menu of a normal Project should be like t

Today, after opening a project of Vs, I want to run it to see the effect. After pressing CTRL + F5, vs did not respond. After a long time, I finally found the cause: is a problem with solution and project. First, let's take a look at it. The compiling menu of a normal project should be like this: However, my compilation menu is now like this: The reason is obvious. No program executor Solution: You only need to set the current pro