sivi questions

sivi answers

• MongoDB not authorized for query admin.system.users
• How to remove the border in a Listview?
• "Unknown bits set in runtime_flags: 0x8000" warning in Logcat on Android Q emulator
• What is the difference between Loss, accuracy, validation loss, Validation accuracy?
• In-App Billing test: android.test.purchased already owned
• How to detect special characters in an edit text and display a Toast in response (Android)?
• Changing the text color
• Error:(3, 17) java: package org.junit does not exist- intellij
• Android Lollipop 5.0 Bluetooth Low Energy central role's bad performance
• Cannot submit Xcode Archive to Itunes Connect. "Uploading Archive: Sending API Usage to Itunes Connect"