To check the type of a variable in C++, you can use typeid(variable).name(), for example #include <typeinfo> … … int b=9; char c=’a’; char * p=&c; int *d; printf(“%s\n”,typeid(b).name()); printf(“%s\n”,typeid(c).name()); […]

You must know they are all related to unicode but how to use them? UNICODE definition is used in Windows SDK source code. If it is defined, functions like RegSetValueEx […]

For your own project, sure you know what Visual Studio version you are using to develop it. But for other projects downloaded from the Internet such as github, how to […]

If your project is about to link to a lib, you probably need to use the find_package command of CMake. find_package(libname CONFIG REQUIRED) or, find_package(libname REQUIRED) What is the difference […]

Now, I got this error when building using CMake: error C2039: ‘string_view’: is not a member of ‘std’ string_view is a new feature of C++17 which must be enabled for […]

I’m a little familiar with the std type std::string but I never see std::string_view before. std::string_view is brought by c++17. Now, I see it and wonder if there is some […]

What is the difference between Developer Command Prompt and x64 Native Tools Command Prompt of Visual Studio in 64bit Windows? The important environment variables set in x64 Native Tools Command […]

You may have installed multiple versions of Visual Studio on your computer. How to get the information of all the installed instances of Visual Studio? You can run the following […]

I recall there was an option under the Debug menu of Visual Studio to let you debug an existing program, but I cannot find the option now. Click the Debug […]

Download podofo source code from https://github.com/podofo/podofo/tree/master and unzip the source into c:\podofo Open a Developer Command Prompt for VS xxxx create a build directory podofobuild and cd to that directory […]