J. Calleja questions

J. Calleja answers

• Disable output of `progress_display` from boost
• Bind mutex to object
• Override number of parameters of pure virtual functions
• boost::filesystem recursively getting size of each file
• How to use C++ "feature test macros"?
• Macro for appending suffix to unsigned long long literal
• Use Boost-Python to calculate derivative of function defined in python
• Updating XML file using Boost property_tree
• Boost Property Tree and Xml parsing Problems
• Example of Boost IOStream to create a zip file?