https://www.infoq.com/presentations/Null-References-The-Billion-Dollar-Mistake-Tony-Hoare/ https://www.infoq.com/presentations/Null-References-The-Bill... That

https://www.infoq.com/presentations/Null-References-The-Billion-Dollar-Mistake-Tony-Hoare/ https://www.infoq.com/presentations/Null-References-The-Bill... That is all.