unwise guy questions

• Lua: How to check if a string contains only numbers and letters?
• Does C++ have a dictionary similar to Objective-C's NSDictionary?
• How to fix JsonCPP error from getMemberNames()?
• How to json_encode without escaping slashes?
• How to check if a string contains spaces/tabs/new lines (anything that's blank)?
• how to use Boost regular expression replace method?
• Lua: How to find out if an element is a table instead of a string/number?

unwise guy answers