Mar 30, 2020 · IntelliSense is parsing your ".c" file as C and not C++, which is "by design". You can add "*.c": "cpp" to your files.associations setting to make it parse as C++.

Jul 23, 2017 · By including using namespace std and removing std:: from the front of unordered_map, intellisense will correctly recognize glyphList as a member of Font. Oddly enough, other std members such as std::string work fine and are properly recognized by intellisense without having to use the above workaround:

Dec 16, 2014 · For example, if I type in, using namespace std; and using namespace otherlib; and type just cout (which happens to be in both), rather than std::cout (or 'otherlib::cout'), you might use the wrong one, and get errors.

Jun 11, 2012 · You can use platform-specific constants like LINUX or WIN32, to add or not the line using namespace std. The usual way to do this is to make (or, more often, to generate) a config.h file, defining aliases for platform-specific type-names that you use.

Dec 13, 2015 · The fundamental mistake is to say using namespace std;, especially if you don't know every single name in the standard library, past and future. It would also make sense to define your own names inside your own namespace.

Jun 18, 2022 · I have similar error, not with std::cout and in proprietary code, so for obvious reasons I can't show a screenshot with an error message that a variable defined few lines above in the same anonymous namespace is ambiguous.

Instead of using namespace std, it is better to: Use specific using declarations, like using std::cout; or using std::vector; , to limit the scope of imported names. Fully qualify standard library components with std:: .

Nov 2, 2022 · “Should I use using namespace std in my code? For more details about the middle ground advice for experienced app code writers check out the C++ Core Guidelines: “ SF.6: Use using namespace directives for transition, for foundation libraries (such as …

Jun 22, 2023 · In C++ code, even with "using namespace std", code still sometimes shows "cout is ambiguous" error message. When clicking to run code it runs fine. Also if window is reopened erro...

Mar 31, 2022 · One may only use using namespace Foo; for unit tests that are testing functionality explicitly within that namespace. The reason is that it pollutes the global namespace with everything in the using statement, which completely defeats the purposes of …