Is there ever a time when you should use caching? Like for frequently updated pages? Or, should you always cache? Please give examples and reason?
Are there any mechanisms to control what the Internet Archive archives on a site? I know to disallow all pages I could add: User-agent: ia_archiver Disallow: / Can I tell the bot that I want them ...
From what I understand I can tell Google to remove pages from their archive if I add the header: <meta name="ROBOTS" contents="NOARCHIVE" /> But won't this also remove the page from search ...
How can I cause a browser to download a new copy of a web page when it thinks that its cached copy is still valid?
Sometimes when I make small changes to a website, I notice that certain browsers are very stubborn about downloading the page again. Both F5 and CTRL-R are worthless and the only way to fix it is to ...
I recently made a change to my User class (which is memcached); is there any way I can invalidate all entries whose key begins with User without invalidating the entire cache? If not are there any ...
Unfortunately, our hosting provider experienced 100% data loss, so I've lost all content for two hosted blog websites: http://blog.stackoverflow.com http://www.codinghorror.com (Yes, yes, I ...