I stumbled across this wonderful Open Source charting project called Open Flash Chart. When I saw the demos and tried it, I fell in love with it and just have to write about it.
Many of us use Windows machines for development. Sometimes it is hard to test some cool Linux stuff like Memcached on Windows and I am often too lazy to install some virtual machines. So I googled for a while and installed Memcached on Windows. Here is how you can do it too.
You built your site and everything is working fine, but when there is a lot of users on the site, your database becomes a bottleneck. I will show you how to deal with it using simple file cache system for your database results.