lichen19853 questions

• CLLocationManager's region monitoring vs significant location change
• How to calculate the height of NSAttributedString, given width and number of lines?
• Can we have the effect of CGRectIntegral on iOS 6 auto-layout generated frames?
• When using GPX in Xcode to simulate location changes, is there a way to control the speed?
• How to change background color of a whole section in UICollectionView?

lichen19853 answers