Without saving? Bold move.

Take someone’s source code, replace all semi colons with Greek question marks and see if they can compile. But as others said, any IDE will help.

I told this story before. I was migrating an old system to a new one and we discovered that we were still sending faxes to some companies. Our system would create a PDF and send to a server that was connected to a phone line. So we called those companies to ask if we could find another way to send the documents. We learned that they too had a server with a software that would receive the fax and transform it in a PDF.

This is from Montreal’s south shore agglomeration: