Should I include lt;xxxx. h gt; or lt;cxxxx gt; in C++ programs? -1 re "we are not polluting the global namespace", you have just quoted and discussed that this is not the case so a bit of self-contradiction it is important because it directly affects the conclusion of what is best practice your conclusion above is wrong it is weird you first discuss why it's a bad choice (possibility of code not working across compilers, unintended namespace
c++ - . c vs . cc vs. . cpp vs . hpp vs . h vs . cxx - Stack Overflow * h or * hpp for your class definitions What is the difference between cc and cpp file suffix? I used to think that it used to be that: h files are header files for C and C++, and usually only contain declarations c files are C source code cpp files are C++ source code (which can also be C source code)
How to properly add include directories with CMake @donturner You don't have to add h files into add_executable But, It does have the nice benefit of making the files show up in Visual Studio projects in the expected location Makefiles uses the internal cmake -E cmake_depends to generate dependencies from the source files (header files in add_executable are skipped)
What is an undeclared identifier error and how do I fix it? #include "pch h" or #include <stdio h> or #include <iostream> #include "stdafx h" Put it at the start of your file If your clang formatter is sorting the files automatically, try putting an enter after the pre compiled header If it is on IBS_Preserve it will sort each #include block separately
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command line - How to run SQL script in MySQL? - Stack Overflow So many ways to do it From Workbench: File > Run SQL Script -- then follow prompts From Windows Command Line: Option 1: mysql -u usr -p mysql> source file_path sql Option 2: mysql -u usr -p '-e source file_path sql' Option 3: mysql -u usr -p < file_path sql Option 4: put multiple 'source' statements inside of file_path sql (I do this to drop and recreate schemas databases which requires
string - C - The %x format specifier - Stack Overflow Break-down: 8 says that you want to show 8 digits; 0 that you want to prefix with 0's instead of just blank spaces; x that you want to print in lower-case hexadecimal