<p>Yes it is, unless the specific community explicitly isn't. See <a href="http://meta.stackexchange.com/questions/13676/is-english-required-on-stack-overflow">this</a> and the <a href="http://blog.stackoverflow.com/2009/07/non-english-question-policy/">official policy</a>. Considering help is in english, it should also be implicit ;)</p>