I've got some pages that are cached using their permalinks on the filesystem, such as http://example.com/about-us.html which will need to map to RAILS_ROOT/public/about-us.html ... The issue I have is that I use a namespace for the admin area and the cont...

egrep -or "(http(s)?://){1}[^'\"]+" path/to/directory You can further reduce to just return the images by piping again. grep -r src views/ | egrep -o "(mailto|ftp|http(s)?://){1}[^'\"]+" The -r flag is for a recursive directory scan....

If you're running Rails in production it will by default be configured to let apache or nginx send files for you. If you're handling file downloads yourself with send_file send_file("path/to/file.txt") you will notice that the downloaded files are empty...

Oh what trouble Rails 2.2 and MySQL (on Mac OS X) can be. Rails, as of version >= 2.2, no longer comes bundled with the MySQL adapter. This means you'll need to install it yourself, but it appears that the gem for installing it is also broken. This will ...

Remove cell padding on a table you add the cellspacing attribute and set it to "0". Is there a better way to do this with straight up CSS? Nothing seems to work... <table id='my-favorite-table' cellspacing="0" > ...