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Little annoyances in middle of important work

I get annoyed when I am in middle of some coding session and people ask same question that they had asked few days back. Seems like if you answer it for them then they wont put an effort to look for answer. Some of the questions people ask me are:
  1.  How do I signup a new account on this branch 
  2.  How do i revert a changelist
  3.  How do I restart tomcat on QA env


 I have noticed it that instead of asking the question on IM immediately if you wait 2 mins then they would probably for 90% of the times figured out the solution themselves.

Another thing that has worked for me is to create a wiki page for common questions and solutions and refer them to the page.

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