The Old New Thing

The Old New Thing

The Old New Thing

Is there a code page that matches ASCII and can round trip arbitrary bytes through Unicode?

Is there a code page that matches ASCII and can round trip arbitrary bytes through Unicode?

Raymond ChenAugust 31, 2020Aug 31, 202008/31/20

For round-tripping binary data.

How do I convert from the C++/WinRT projection type to the C++/WinRT implementation type?

How do I convert from the C++/WinRT projection type to the C++/WinRT implementation type?

Raymond ChenAugust 28, 2020Aug 28, 202008/28/20

You have to trust what's inside the box.

How do I convert from the C++/WinRT implementation type to the C++/WinRT projection type?

How do I convert from the C++/WinRT implementation type to the C++/WinRT projection type?

Raymond ChenAugust 27, 2020Aug 27, 202008/27/20

Fortunately, there's a conversion for that.

Why are some system functions exported as stubs instead as forwarders?

Why are some system functions exported as stubs instead as forwarders?

Raymond ChenAugust 26, 2020Aug 26, 202008/26/20

Compatibility, of course, at least for some of them.

That time Bill Gates went through a McDonalds drive-through with no cash

That time Bill Gates went through a McDonalds drive-through with no cash

Raymond ChenAugust 25, 2020Aug 25, 202008/25/20

No special treatment, not even for the richest man in the world.

How can I get the number of processors in the system, when there are more than 64?

How can I get the number of processors in the system, when there are more than 64?

Raymond ChenAugust 24, 2020Aug 24, 202008/24/20

You can ask for the active processor count.

Recognizing different types of exception objects that Windows platform libraries can throw

Recognizing different types of exception objects that Windows platform libraries can throw

Raymond ChenAugust 21, 2020Aug 21, 202008/21/20

Just a few of the more common ones.

Inside the Microsoft STL: The std::exception_ptr

Inside the Microsoft STL: The std::exception_ptr

Raymond ChenAugust 20, 2020Aug 20, 202008/20/20

Digging inside, for debugging purposes.

On using FILE_FLAG_WRITE_THROUGH and FILE_FLAG_NO_BUFFERING for memory-mapped files

On using FILE_FLAG_WRITE_THROUGH and FILE_FLAG_NO_BUFFERING for memory-mapped files

Raymond ChenAugust 19, 2020Aug 19, 202008/19/20

You're trying to control I/O you didn't issue.

What are the possible Status values for Win32_ComputerSystem?

What are the possible Status values for Win32_ComputerSystem?

Raymond ChenAugust 18, 2020Aug 18, 202008/18/20

There's really only one possible status.