This question already has an answer here:
- How do I pose a Minimal Working Example?
- How do I plug code into a question?
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Also see How do I mark code blocks? and How do I mark inline code?. Also, no matter if on the main site or on meta: Please only ask one question per post. – doncherry Feb 20 '13 at 22:34
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Have a look at:
- What is a minimal working example? on minimalbeispiel.de
- How to make a “minimum example” in the UK TeX FAQ
- or the question on this meta site: I've just been asked to write a minimal example, what is that?
and for the second question:
right at the beginning.
