u can use that show your code time by wakatime! like that:

1. download eustancewu@gmail.com.shell-extension.zip
2. run gnome-extensions install eustancewu@gmail.com.shell-extension.zip
3. run alt+F2 enter r restart gnome
4. run gnome-extensions enable eustancewu@gmail.com
5. u can see the plugin in your task bar with cool-man icon.