i have one sentence. but i could not get the idea about two word. that are " ready wits ". he was also a man of "ready wits" and had a good sense of humour. please help me.i'm very beginner for english language.

Jack always has difficulty getting up Jack always has difficulty get up have those two sentence same meaning? if not what are the reason ? please help me , i'm very beginner for english langugae.advance thanks

the word float normally use in programing language. which represent the decimal numbers. such as 100.12 , 1234.87 ,100.0 and so. the the word integer use in programing language. which represent the round numbers. such as 100,567,789

vacum cleaner use for the cleaning purpose. which sucks the dirt by creating a vacum. but vacum machine use for the vacum production. which is help for the production .. (Glass container production industry). so two are difference according the usage

Can i have two scoops of icecream! is it correct sentence? and may i know? what type of environment above sentence used?

i have idea. that is how to contribute continuosoly for this programe. it is easy, just spend 10 minutes this web http://www.freerice.com

I'm happy to participate free rice program. it helps in two way. Those are .... 1. i can collect vocabulary. which are new for me. 2.i can do mere help. which is used for eradicate poverty