gitignore binary files that have no extension

Question

How can binary files be ignored in git using the .gitignore file?

Example:

$ g++ hello.c -o hello

The

Answer 1

If you follow these commands on your .gitignore file and files still seems to appear you may want to try:

git rm --cached FILENAME

After that, add your .gitignore, commit and push. Took me 40 minutes to understand that, hope this helps to newbies like me