User Activity

Hi,I am using user key and three more keys to do some work.Can you please guide me how to assign for the interrupt handler function for particular interrupt on a GPIO?e.g. I couldn't understand:What does the numbers like 8, 9, 10, 11 ect represents i...
I tried conection my LCD with the available header but the mounted LCD and my LCD and showing half half character.ThanksAjeet