How to use this site
Note that this is not a discussion forum but a questions & answers site. Thus, when posting an answer to a question, make sure that it really is
an answer. To comment on another answer, or to ask for clarification of a question, post a comment
. Also note that you can edit
your posts to correct errors or to add updates.
Voting is very important to point out particularly useful questions and answers. When you see an interesting question or a helpful answer, do not hesitate to upvote it. Also, if a question is unclear, or if an answer is wrong or does not answer the question, do not feel bad about downvoting, but please also leave a comment on why
you downvoted, and consider un- downvoting when the flaws are corrected.
Please use tags to categorise your questions, but use them sparingly, and do not create synonymous or redundant tags. Tags are most useful when they are reused, and not created anew for each question.
Recent questions and answers