Arc676 questions

Arc676 answers

• How to check if result is integer in Python? [duplicate]
• Programmatically calling drawRect() in swift
• Handle close event of the window in Swift
• Largest product in a grid
• "Initialisation of immutable value'context' was never used, consider replacing assignment to '_' or removing it
• Check a multiple in Swift?
• Permission denied in mac terminal
• Why does Java ask me to hit Enter again?