Describes the cause and action for error messages.
Error Message(English)：
hello world not working
Web.py "Hello world" not working ...
https://stackoverflow.com/questions/48926218/web-py-hello-world-not-working-err-address-invalid
Pyramid web framework hello world not working
https://stackoverflow.com/questions/23347100/pyramid-web-framework-hello-world-not-working
CGI Script Internal Server Error Windows
https://stackoverflow.com/questions/23719433/cgi-script-internal-server-error-windows
Kivy hello world not working
https://stackoverflow.com/questions/15281239/kivy-hello-world-not-working
python - Web.py "Hello world" not working ... - Stack Overflow
https://stackoverflow.com/questions/48926218/web-py-hello-world-not-working-err-address-invalid?rq=1・・・
python - Kivy hello world not working - Stack Overflow
https://stackoverflow.com/questions/15281239/kivy-hello-world-not-working/15313942
Kivy hello world not working - Stack Overflow
https://stackoverflow.com/questions/15281239/kivy-hello-world-not-working?rq=1
c++ - Noob - Hello World Not Working | DaniWeb
https://www.daniweb.com/programming/software-development/threads/222769/noob-hello-world-not-working・・・
Hello world not working on Unix :( - C / C++ - Bytes
https://bytes.com/topic/c/answers/166359-hello-world-not-working-unix