is shown in figure, very not easy to build environment is successful, what is the meaning of this,

CodePudding user response:

Hello world with an underscore is not complains,,,

CodePudding user response:

Do not have Spaces in the file name

CodePudding user response:

The file name and path don't bring Spaces,

CodePudding user response:

File name cannot have Spaces, otherwise regarded as two files

CodePudding user response:

I understand again