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c++ Programming Glossary: somefile.h

GCC C++ Linker errors: Undefined reference to 'vtable for XXX', Undefined reference to 'ClassName::ClassName()'

http://stackoverflow.com/questions/1095298/gcc-c-linker-errors-undefined-reference-to-vtable-for-xxx-undefined-refere

home notroot workspace somelib 3 somelib include sql somefile.h 148 undefined reference to `SomeClass SomeClass ' home notroot.. ' home notroot workspace somelib 3 somelib include sql somefile.h 148 undefined reference to `vtable for SomeOtherClass' home.. home notroot workspace somelib 3 somelib include sql somefile.h 151 undefined reference to `SomeClass ~SomeClass ' . src LinkProblem.o..

Why do some const variables referring to some exported const variables get the value 0?

http://stackoverflow.com/questions/920615/why-do-some-const-variables-referring-to-some-exported-const-variables-get-the-v

the following. I have two exported constants as follows somefile.h extern const double cMyConstDouble extern const double cMyConstDouble2.. locally visible constants someotherfile.cpp #include somefile.h static const double cAnotherDouble 1.1 cMyConstDouble static..