Tip: Force browser clear cache for css and js file

From StackOverFlow: http://stackoverflow.com/questions/1922910/force-browser-to-clear-cache

If this is about .css and .js changes, one way is to to “cache busting” is by appending something like “_versionNo” to the file name for each release. For example:

Or alternatively do it after the file name:

You can check out this link to see how it could work.