Application Settings meaning VS2015 New Project

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ATL:

ATL is an ActiveX Template Library abbreviation, it is a C ++ template library. Using ATL can quickly develop efficient, concise code, while the COM component to provide maximum visual code generation and support development.
ATL COM requires you to know more knowledge, so that you can use to write directly ATL COM component or controls, and MFC COM does not even require you to know is what you can write an ActiveX control that came.
In addition, if you are writing control has a GUI (graphical user interface), then you'd better use MFC; If you do not need GUI, it is best to use ATL write, of course, you can also choose to write invisible MFC control, but the cost ATL than large, but the efficiency was less than ATL; but sometimes the difference brought about by the impact can be ignored, then I suggest you use MFC to write, the only reason it is being developed is simpler, easier to debug. If you are a layman's COM, ATL but want to use the controls to write, it is recommended that you first prepare half a year (a conservative estimate) to learn the theoretical knowledge of COM
Simply put, ATL network applications popular today, the development effects (simple \ efficient) than MFC better.

Empty Project

Select this project is to establish a framework only, does not provide any code entry, you need to manually add the source files, header files, do not chose this.

Precompiled header

The project was a part of the code, precompiled in a file (usually .pch for the extension), the file is called precompiled header file these pre-compiled code can be any of the C / C ++ code. Purpose is to improve compiler performance

Export symbols

Symbol, the term is used in software linking process. Symbol is a reference to an address between obj file compiled, that
references to address functions and variables. Applied to the link locator.
Symbol of writing code to the program execution address, go through the following two steps:
1. Link: Symbol role dispersed in several different target file is parsed, the parsed into symbols within the object after the merger content (in the file hierarchy)
2, loading: its role is to specify the file in accordance with the embodiment, is loaded into the physical memory (in fact linear memory) in a certain range, then the symbol on the real address becomes, as parameter CALL instruction.

Security Development Lifecycle (SDL) inspection

Quality software significantly improve safety

reference

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