A few and few, a little and little
These expressions show the speaker's attitude towards the quantity he/she is referring to.
A few (for countable nouns) and a little (for uncountable nouns) describe the quantity in a positive way:
· "I've got a few friends" (= maybe not many, but enough)
· "I've got a little money" (= I've got enough to live on)
Few and little describe the quantity in a negative way:
· Few people visited him in hospital (= he had almost no visitors)