Nagendra Tripathi questions

Nagendra Tripathi answers

• UICollectionView using sections leaves a gap between cells
• Validating app, application is missing Architecture armv7
• Check if NSDictionary is Null?
• UICollectionView column grid gaps
• Error while uploading to App store using Application loader
• Alert view is showing white rectangle in iOS7
• How to get iOS device MAC address programmatically
• How to change the App ID associated with my (Xcode managed) Team Provisioning Profile