Posting and answering questions you have already found the answer to
4037
Can I answer my own questions, even if I knew the answer before asking?
34508
Notify us when the question has been edited after posting an answer
128234
Asking for more information on a question or answer
793
Set my own question as solved
94817
Allow me to save an answer
35930
First post review queue: answers are questions, questions are answers
242
Accepting your own answer with alternative answers to be worth +2 reputation?
48120
Sorting new answers to old questions
128221
Promoting comments to answers
89721
When should one add another answer instead of editing one's already posted?
130688
Place a bounty to reward an answer on a duplicate (closed) question
90406
Is it OK to add [Solved] to the title of a question?
113783
How can we help users who repeatedly ask similar questions or update constantly?
108220
Custom question lists: finding questions you can answer
39711
Link up the excellent search engine that gives "Questions that may already have an answer" with the search box
67419
How to search answers to my questions?
149888
Answering your own question