fefe

fefe has asked 3 questions and find answers to 15 problems.

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An engineer working in Beijing, China.

fefe questions

Evaluation order in initialization
Why is _GNU_SOURCE defined by default and how to turn it off?
How to check whether an argument is supplied in function call?

fefe answers

Boost Serialization via base pointer to derived class [duplicate]
Trailing Zeros in printf/sprintf
c++ extern template instantiation and typedef (gcc)
What is the significance of the <: syntax in C? [duplicate]
Macro for Iterator Loop for STL Iterables
"lsof" shows a file as (deleted) but I can still see it in file system
C++ chaining of the operator << for std::cout like usage [duplicate]
Pointers to different instances of one templated function guaranteed to compare unequal?
Why is _GNU_SOURCE defined by default and how to turn it off?
Class hierarchy/dependency diagram generator for C++ in Linux