unxnut questions

unxnut answers

• Using OpenCV to recognise similar (not completely identical) simple images?
• What ! (char*) means in C
• Count number of column in a pipe delimited file
• Extract first and last column from text file
• How to jump cursor to specific line in visual mode in vi?
• Removing files interactively with find and xargs
• source a shell script from another script and check return code
• Why does reading a record struct fields from std::istream fail, and how can I fix it?
• Is stack in CPU or RAM?
• Regular user chown (only change group) [closed]