How can I tell if a file is an image of some type?
April 30, 2015Apr 30, 201504/30/15The perceived type tells you what kind of file it is, for a very general sense of the word “kind”.
April 30, 2015Apr 30, 201504/30/15April 30, 2015Apr 30, 201504/30/15Is the atom returned by RegisterClass(Ex) a "real" atom?
April 29, 2015Apr 29, 201504/29/15A customer was debugging some code that calls RegisterClass on a class that’s already been registered. In this case, it was registered by another DLL in the same process. Normally, this wouldn’t be a problem, because each DLL passes its own instance handle to RegisterClass so that there are no name collisions.
Access to a file's attributes is controlled by two things
April 28, 2015Apr 28, 201504/28/15We saw some time ago that permission to delete a file is granted either
if you have DELETE access on the file, or
if you have FILE_DELETE_CHILD access on the containing directory.
File attributes behave in an analogous way.
Permission to read a file’s attributes is granted either
if you have FILE_READ_ATTRIBUTES access on the file,
Wow, they really crammed a lot into those 410 transistors
April 27, 2015Apr 27, 201504/27/15Just an order of magnitude. Or three. Or more.
How do I extract the path to Control Panel from this shortcut so I can launch it?
April 27, 2015Apr 27, 201504/27/15You don’t need to.
Why can't I have variadic COM methods?
April 24, 2015Apr 24, 201504/24/15COM methods cannot be variadic.
Why not?
Answer:
Because the marshaler doesn’t know when to stop.
Suppose variadic COM methods were possible.
And then you wrote this code:
interface IVariadic
{
HRESULT Mystery([in] int code, …);
};
IVariadic *variadic = something;
How did the scopes for the CryptProtectMemory function end up in a strange order?
April 23, 2015Apr 23, 201504/23/15Incremental functionality.
It rather involved being on the other side of this airtight hatchway: Invalid parameters from one security level crashing code at the same security level (yet again)
April 22, 2015Apr 22, 201504/22/15You never crossed the boundary.
What was the starting point for the Panther Win32 kernel?
April 21, 2015Apr 21, 201504/21/15That one started from Windows NT.
How to find the IP address of a hacker, according to CSI: Cyber
April 20, 2015Apr 20, 201504/20/15According to television.