SzG questions

SzG answers

• Matching regex in bash
• Meaning of lsof -i output
• Git command to find commits made in branch that are not present in master
• Can I push hotfix to a tag in git
• Why is it safe to rebase under these conditions?
• Behavior of unsigned int in C
• Skip blank lines when iterating through file line by line
• git error - can't push to github - pack-objects died of signal 9
• What is the difference between set vs map in C++?
• Bash exit status of shorthand increment notation