Hind Forsum questions

• std::string cannot be printed in gdb when it's global variable, why?
• Why java "putAll" cannot deep copy Map's value elements?
• Does terminal control function setting baud rate really effective for pseudo terminals?
• Why python subprocess.Popen need close_fds parameter?
• How to let gdb print both source code corresponding disassembly together?
• How to disable mouse in vim window when it's enabled by "set mouse = a"?
• Spark dataframe requires json file as one object in one line?
• gcc: what's the difference between "-g" and "-ggdb"?
• Powershell: Adding element to hashtable failed
• Does C++ ABI specify how vTable and RTTI information should exist?

Hind Forsum answers