Is it ok to have "using namespace" statement in a header file?
116662
"using namespace" in c++ headers
73505
Namespace constant in C#
50853
Why remove unused using directives in C#?
48166
Java: import statement vs fully qualified name?
51341
Visual Studio: Is there a "move class to different namespace" refactoring?
114797
Add objects to package namespace
2827
How to access namespace which is part of different project?
107911
How should I detect unnecessary #include files in a large C++ project?
150533
What's the difference between a header file and a library?
13401
Namespace + functions versus static methods on a class
38414
What are the uses of "using" in C#?
46182
Is it possible to force the use of "using" for disposable classes?
10226
Headers Including Each Other in C++
134103
Use of Namespaces in C#
34832
C# namespace alias - what's the point?
9628
Why have header files and .cpp files?
1289
Why can templates only be implemented in the header file?