I have to think carefully about this every single bloody time. As seen here.
C Pointer Operator Precedence
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Tag Archives: pointer
Stop checking for NULL pointers!
Read this great article Stop checking for NULL pointers! It mentions that there are many other invalid pointers than NULL, which is the same idea I had recently with regard to foreign keys in databases.
Differences between C++ pointers and C++ references
I was curious about the difference between C++ pointers and C++ references, so I searched and found this which says that basically:
- It’s not necessary to initialise pointers at declaration time, but it is necessary to initialise references at declaration time.
- You can create an array of pointers, but you can’t create an array of references.
- You can assign null to pointers, but you can’t assign null to references.