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Open Files with Finder's App Switcher

Say you're in the Finder looking at a file and you want to open it with an application that's already running but which doesn't own that particular document. How? Switch to that app and choose File > Open? Too many steps. Choose Open With from the file's contextual menu? Takes too long, and the app might not be listed. Drag the file to the Dock and drop it onto the app's icon? The icon might be hard to find; worse, you might miss.

In Leopard there's a new solution: use the Command-Tab switcher. Yes, the Command-Tab switcher accepts drag-and-drop! The gesture required is a bit tricky. Start dragging the file in the Finder: move the file, but don't let up on the mouse button. With your other hand, press Command-Tab to summon the switcher, and don't let up on the Command key. Drag the file onto the application's icon in the switcher and let go of the mouse. (Now you can let go of the Command key too.) Extra tip: If you switch to the app beforehand, its icon in the Command-Tab switcher will be easy to find; it will be first (or second).

Visit Take Control of Customizing Leopard

 
 

A Case of Mistaken Identity

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One of my colleagues recently showed me a PowerBook 145 whose "About This Macintosh" window claimed it was a PowerBook 140. "And," he said, "over there we've got another 145 that claims to be a PowerBook 170!" Sure enough, the two PowerBook 145s each claimed to be a different machine.

When I asked what was going on, a friendly technical support engineer at Apple explained the situation. Because System 7.0.1 was created before the PowerBook 145 was introduced, the software doesn't know how to recognize that model of Mac. (To be specific, the resource list containing strings for the names of all Macintosh models does not include the name of the 145.) So, System 7.0.1 identifies the 145 as the next closest model: a PowerBook 140.

So why did one of them claim to be a 170? The friendly engineer had an answer for that, too! He said that some PowerBook 145s that are sent to Apple for repair and require a daughterboard replacement are currently receiving PowerBook 170 daughterboards because of a shortage of 145 daughterboards. (The daughterboard is the circuit board attached to the PowerBook's main logic board that contains the processor chip and, in the machines that have them, the math coprocessor.) As a result, the machine's circuitry is, for all intents and purposes, that of a PowerBook 170, and it identifies itself as such. (The only difference, I believe, is then the machine's display and the name silkscreened on the front.)

If your PowerBook 145 doesn't identify itself as such, now you know why! Note that System 7.1, released last week, does include a name resource for the PowerBook 145, so 145s running 7.1 do know their names, although 145s repaired with 170 daughterboards will still claim to be 170s. For you ResEdit jockeys out there, yes, you could modify the System file so that it would identify the 145, but modifying the System file is not recommended and what's the point?

Don't go breaking your 145 just so you can send it to Apple and get back something that thinks it's a 170. First of all, you wouldn't gain anything in terms of performance, and second, that shortage of 145 daughterboards might clear up at any time, and Apple will resume repairing the machines with the original components. Besides, if you are at all clumsy about it, you could end up footing a hefty repair bill.

Information from
Apple Computer, Inc.

 

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