Common Coding Bugs

Note: these diagnoses will tend towards being too narrow, and may have solutions that are more general

C++

/usr/libexec/gcc/PATH/4.0.1/ld: Undefined symbols:
Something
collect2: ld returned 1 exit status
make: *** [program] Error 1

• if it is for a whole class, it could mean that in an abstract class, I didn't set a function declaration to 0
• if it is for a specific static field, it could mean that I forgot "ClassName::" on initializing it

020walker.cpp:311: error: a function-definition is not allowed here before '{' token
020walker.cpp:332: error: expected `}' at end of input

• Missing closing curly bracket on an if-statement