Screndib questions

• Git: Any long term impact of deleting all files in repo then rolling back the commit?
• Why doesn't this C++ template code compile?
• Is there any way to detect whether a function exists and can be used at compile time?
• Anything like template references in AngularJS?
• Is there any way to determine how many characters will be written by sprintf?
• git-subtree is not retaining history so I cannot push subtree changes, how can I fix this/avoid this issue in the future?

Screndib answers