Devfly questions

• What is the difference between managed object context save and refreshObject:mergeChanges:
• Localization of app in language that is not in "Language" list in Settings.app
• Appearance proxy - setShadowImage alternative for iOS 5?
• Does fast enumeration evaluate the collection expression on every iteration?
• Asynchronous NSURLConnection and NSOperation - cancelling
• UICollectionView Assertion failure in deleteItemsAtIndexPaths
• Fetching videos list from a Youtube playlist through RSS doesn't return more than 15 results
• Core data find-or-create most efficient way
• SDWebImage process images before caching
• iOS 6 - State Preservation and Restoration

Devfly answers