SNV7 questions

• Difference between _property and self.property
• Run Java code once every hour
• What does Apple use to detect memory leaks?
• Fix UIButton on top of UIScrollView
• Trying to understand AVAudioPlayer and audio level metering
• Refreshing a UICollectionview
• UICollectionView automatically scroll to bottom when screen loads
• UICollectionView Set number of columns

SNV7 answers