Tips

Open multiple instances of an application in OS X

Most Mac apps refuse to run twice at the same time. When you genuinely need two copies — Java apps are often the culprit — one terminal flag solves it, and a tiny AppleScript makes it permanent.

Tips

ColdFusion: enable the robust debug info

Shared ColdFusion hosting often locks down robust debug info, which is exactly what you need to find the bug. An old trick to get it back — via email.

Tips

5 steps to easily delete blank rows in Excel

Import some data from a CSV, try to sort it, and Excel starts protesting about the blank rows. A very simple trick in five steps to wipe them out — same on Mac and Windows.

Tips

Smart Group, what brillant overlooked idea.

Mail.app is a decent app, but contact management would be a pain without Smart Groups — the brilliant Address Book feature most people never notice. Here's how to set one up.

Tips

Inquisitor, the best friend of Safari

Safari doesn't let you pick which Google to search from — choice, apparently, being a forgotten word in Apple's labs. Inquisitor is the small free extension that fixes it.