It's been quite a while now since we last used PVS-Studio, an excellent static code analysis tool, on UE4. So we fired it up - not expecting much, to be honest, as the last time we ran the tool, UE4 was looking pretty clean. With a mixture of pulling across our recommended changes and making fixes themselves, the engine was looking much more stable.
Have you ever wanted to get rid of the problem with dereferencing null references? If so, using Nullable Reference types is not your choice. Do you want to know why? This will be our topic today.
Your language isn't broken, it's doing floating point math. Computers can only natively store integers, so they need some way of representing decimal numbers. This representation comes with some degree of inaccuracy. That's why, more often than not, .1 + .2 != .3.
We know that Stack Overflow is a daily part of a lot of developers’ lives. I’ve heard from multiple people that they come here daily (if not more often) to get answers to their questions. Sometimes the answer to a question about code comes as a chunk of code. And sometimes that code makes it into production applications because it answered the question perfectly.