August 2007
Beginner
304 pages
7h 49m
English
Content preview from iPhone: The Missing Manual
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Zoom/Unzoom
The iPhone's screen is bright, vibrant, and stunningly sharp. (It's got 320 by 480 pixels, crammed so tightly that there are 160 of them per inch, which is nearly twice the resolution of a computer screen.)
It's not, however, the right shape for videos.
Standard TV shows are squarish, not rectangular. So when you watch TV shows, you get black letterbox columns on either side of the picture.
Movies have the opposite problem. They're too wide for the iPhone screen. So when you watch movies, you wind up with horizontal letterbox bars above and below the picture.
Some people are fine with that. After all, HDTV sets have the same problem; people are used to it. At least when letterbox bars are onscreen, you know you're seeing the complete composition of the scene the director intended.
Other people can't stand letterbox bars. You're already watching on a pretty small screen; why sacrifice some of that precious area to black bars?
Fortunately, the iPhone gives you a choice. If you double-tap the video as it plays, you zoom in, magnifying the image so it fills the entire screen. Or, if the playback controls are visible, you can also tap 
or .
Truth is, part of the image is now off the screen; ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.