Using the skills making strategies relating to the particular event as well learning and making new techniques to win on gambling shows the interest and the winning attitude of the gambler. But, can't expect the same strategy or technique to give us profit. It all depends on the luck, in whatever aspect we create strategies.
There are no any skills to confirm your win in gambling a. All you can do is to keep yourself calm and have a good control over your emotions. The important of all is that you must know the trick of controlling your greed on gambling because if you would learn it once this might save you from any loss in the future.
Gambling is totally dependent upon the luck of a person and hence no one could confirm his win by applying simple tricks in the long run.