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Just treat the others as you also like to be treated. Don't annoy people, try not too hard to bring always input into something where it doesn't make sense.
Nothing is more annoying then somebody that always needs to say something to every topic. Also always keep in mind that your coworker maybe do things another way as you learned, try it first out before you say it is crap. In simple words: Be a nice guy, try to help and work hard.