How does Photos manage media on an iOS device?

Reader Steven Alford asks:

When I click on a single photo on, say, my iPad, a small clock face rotates in the lower righthand corner and the photo is displayed. Is that photo downloaded to my device and does it take up room on the device? Or, are only photos taken by the device stored on the device?

If you’re using iCloud Photo Library, you can set synchronization such that Photos in iOS and OS X only caches thumbnail previews of images. (In iOS: Settings > Photos & Camera and set Optimize iPhone/iPad Storage. In Photos for OS X: Preferences > iCloud, and set Optimize Mac Storage.)

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How to fix typing two capitals in a row at a word’s start

Mark Weinrib asks about a typical typo:

I am trying to find out how to autocorrect double-letter capitalizations. For example, if I spell office “OFfice” I want to automatically make the F into a lowercase f. Microsoft Office has a setting for this. I can not find one in OS X, so when I am in Mail or` in TextEdit it doesn’t autocorrect.

OS X does offer this setting system-wide as part of automatic spelling correction, and it works in all of Apple’s programs and is available in other apps that take advantage of it. This autocorrect will drop in what OS X thinks is the “correct” replacement as you type—it may sometimes be the wrong one if you’re using a specialized term or a special spelling. Generally, it’s the right choice.

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Does your photo have the wrong timestamp? Here's how to fix it

Lee Perrin writes in with a temporal dilemma in Yosemite:

Recently, I took a vacation to Alaska. I used my iPhone, which reset to the local time, and a point-and-shoot camera that I forgot was still set to EDT. After importing the photos to my Mac, I’ve found the time sequences are wrong and the photos are in the wrong order because of the differences in the two cameras settings. How can I edit the wrong times?

You’re in luck, as there are multiple ways to fix this.

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How to remove app purchases from iTunes

Kathy writes in with a problem and a request:

In my history, I see apps I did not install nor do I think are on any device we own. Can I know which device they were supposedly installed on and how can I erase them on my purchases?

For the first, it’s hard to know. Apps associated with an iTunes account should only appear there if they were obtained for free or purchased. It’s definitely possible that you or someone in your family selected apps by unintentionally clicking, or the apps are from so far in the past, you forgot you ever bought them. I have apps on my account that are seven years old, and I have no recollection of ever interacting with it.

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What to do when Firefox won't quit, and does Apple read crash feedback?

Frederic Ze asks an existential question about the nature of Apple’s feedback systems:

Almost consistently each time I want to quit Firefox it fails to do so. I have to use the Command-Option-Escape technique to force it to quit. Following this I would be prompted to Inform Apple, which I of course do, but I wonder what good that process really does. Sometimes if I let it “hesitate” for up to a minute it will finally quit.

I used to use Firefox, and finally gave up on because it has serious memory leak issues in OS X, even this many years under development. What that means is that after using the browser for minutes to hours, it would eat up system resources, become non-responsive, and often require me to force quit, as you’ve had to do. With one release maybe a year or two ago, I had to force quit every time, though that problem went away.

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Why can't file names be longer than 30 characters?

Oleksandr Bogonis is a Windows-to-OS X switcher who generally likes the move, but he’s frustrating by a limit he seems to have run up against:

A field for a file name in “Save as...” box is critically short. It allows one to enter 30 or so symbols. I often save files which have long names—up to 100 symbols.

He wonders if there’s a trick to increase file-name length. The real limit is 255 characters, so something is definitely off.

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What to do when OS X says Wi-Fi hardware isn't installed

Alisha Gambhir writes in, noting that her MacBook Pro suddenly reported that it had no Wi-Fi hardware installed. This is odd because, as you know, all Mac laptops (and nearly every Mac made for several years) includes a Wi-Fi adapter.

mac911 wifi not configured

Inactive Wi-Fi, as opposed to a broken Wi-Fi driver, shows that it’s not configured.

There are two ways you can wind up with an x in the Wi-Fi menu’s icon. One is what’s happened to Alisha and other folks who have posted about this problem over a few years; the other is when the adapter has been disabled via the Network system preferences pane. If you click the Wi-Fi icon and the dropdown menu reads “Wi-Fi: Not Configured” then the adapter has been disabled.

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