Marco Arment, developer of Instapaper, explains why iOS 5 could mess up Instapaper and many other apps. If an app stores a lot of data in Documents, Apple now slaps its hand because Documents can be backed up by iCloud; but if an app stores a lot of data in Caches, iOS 5 can now delete that data at will. So any app that moves its data store from Documents to Caches can lose that data. Apple argues that this is okay because Caches is for data that can be reconstructed — say, by re-downloading it from the Internet. But what if the deletion happens while offline? Someone with a Wi-Fi-only device could store stuff just before leaving the house, only to find it gone later. And, as Marco points out, Apple deletes the data but the app developer receives the hate mail. follow link
Edit Remote Files in Your Favorite Utility with Fetch
If you use the Fetch FTP client and want to, for instance, edit remote .html files with one application but .css files with another, you can set this up easily: In Fetch, select a .html file and click the Get Info button on the toolbar. In the Get Info window, in the Transfer Option section, choose your desired program from the "Edit files like this with" pop-up menu. Repeat the procedure for a .css file, and you're ready to go!
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With iOS 5, It’s Cache as Cache Can
I use a qsee system that send email attachments. All of the attachments are the same photo. Happens using iOS 5.0.1 mail app