August 2014 | Page 3 of 3 | The Old New Thing

Since clean-up functions can't fail, you have to soldier on

Raymond Chen August 7, 2014 Aug 7, 2014 08/7/14

Clean-up functions can't fail, so what do you do if you encounter a failure in your clean-up function? You have to keep cleaning up. Some people like to follow this pattern for error checking: And some like to put it inside a cute flow control macro like or even Whatever floats your boat. But you have to be careful if using ...

Why does Explorer say "File too large" for my custom file system, when the problem has nothing to do with the file being too large (heck it's not even a file)

Raymond Chen August 6, 2014 Aug 6, 2014 08/6/14

When Explorer copies files around, it doesn't really know what the maximum file size supported by any file system happens to be. (That information is not reported by GetVolumeInformation.) So it guesses. If the file system name is "FAT" or "FAT32", then Explorer assumes that the maximum file size is 4GB − 1. Also, if a file ...

Microspeak: 1 – 1 is not zero

Raymond Chen August 5, 2014 Aug 5, 2014 08/5/14

In his reddit AMA, Joe Belfiore wrote i have regular 1-1 meetings with my counterparts in Office, Skype, Xbox. The little bit of jargon there is 1-1 meeting. This is an abbreviation for one-on-one meeting, a common business practice wherein two people, typically a manager and a direct report, have a face-to-face meeting with no one else ...

Enumerating the ways of choosing teams in a group of players

Raymond Chen August 4, 2014 Aug 4, 2014 08/4/14

Suppose you have a bunch of people, and you want to break them up into m teams of size n. (Therefore you have a total of nm people.) Today's Little Program will enumerate the ways this can be done. Formally, let's say that you have a collection of size nm, and you want to enumerate the ways of partitioning the collection into m subsets, ...

Before claiming that a function doesn't work, you should check what you're passing to it and what it returns

Raymond Chen August 1, 2014 Aug 1, 2014 08/1/14

Before claiming that a function doesn't work, you should check what you're passing to it and what it returns, because it may be that the function is behaving just fine and the problem is elsewhere. The GetCurrentDirectoryW function does not appear to support directories with Unicode characters in their names. The correct ...

The Old New Thing

August 2014 | Page 3 of 3 | The Old New Thing

Since clean-up functions can't fail, you have to soldier on

Why does Explorer say "File too large" for my custom file system, when the problem has nothing to do with the file being too large (heck it's not even a file)

Microspeak: 1 – 1 is not zero

Enumerating the ways of choosing teams in a group of players

Before claiming that a function doesn't work, you should check what you're passing to it and what it returns

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