James Meade questions

• Remove characters from String in Haskell
• How to save a file using a background thread in Android
• Reading an NDEF message from an NFC tag from an Android application
• Dynamically added views disappear on orientation in Android
• Is there a substring(start, length) function?
• How to convert byte array to hex format in Java
• How to always display ActionBar tabs below ActionBar in Android

James Meade answers