See this recent post for an example: converting binary to decimal
All voting buttons for all nodes on the page are placed way off the screen because of the long lines in the initial node.
Comment on Voting buttons placed way off screen when post has long lines
Go to your personal settings page. Select 'Display Settings'. Look for 'Code Listing Settings'. One of the settings here is 'Code Wrap Length'. Mine is set to 96 which keeps the page from getting too wide when people post long lines. You should also turn on 'Auto Code Wrapping'. There's more info here.
90% of every Perl application is already written. ⇒