How to check if a file exists on a server with bash

Checking if a file exists on my computer is easy. But how about checking if this file exist on my server?

If my file is:


What do I need to do to check if it exists?


How about this?

ssh user@host 'if [ -f /path/to/my/file.txt ]; then echo yes; else echo no; fi'

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Custom skinned facebook like button using javascript SDK

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I have a custom image which I would like to use rather than the standard facebook like styled one. I have this working but it only 'shares' the page rather than 'liking' it.

What document compiler should be used with C# 3.0 XML documentation comments?

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I am wondering what documentation compiler other developers use to transform the C# 3.0 XML comments into documentation. I had experimented with the Microsoft supplied tool in Visual Studio 20005,...