Voting up is how the community indicates which questions and answers are most useful and appropriate.When should I vote up?
Whenever you encounter a question or answer that you feel is especially useful, vote it up! You have a limited number of votes per day, so use them wisely.How do I vote up?
Users can up vote a question or answer by clicking the 'vote up' button located next to the total votes score on any question or answer. Please note: users cannot up-vote their own posts (questions or answers).What happens on an up-vote?
If a question is up-voted, the author of the question receives a +5 in reputation. When an answer is up-voted, the author of the answer receives a +10 in reputation.