Dunc questions

• Automating web deployments in C#
• Using Pillow to find DPI
• Returning a string from a function in C
• Writing line to a file using C
• relative file paths in perl
• Checking a file exists in C [duplicate]
• C# alternative of rails migrations [closed]
• How to get character for a given ascii value
• What are .a and .so files?

Dunc answers