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The Old New Thing
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Latest posts
Last updated 2 days ago
The case of the invalid handle error when a handle is closed while a thread is waiting on it
2 days ago
A customer tracked one of their crashes to an invalid handle exception...
Learning to read C++ compiler errors: Ambiguous symbol errors after including a header file
3 days ago
A colleague added another header file to their project, and everything started...
You have to tell Get- and SetSecurityInfo the object type, you can’t make it guess
4 days ago
A customer was trying to read the security information from a process...
Funding the Egghead store shopping spree took a little extra legwork
5 days ago
Some time ago, I told the story of the time the development...
Writing a helper class for generating a particular category of C callback wrappers around C++ methods
6 days ago
A common pattern for C callbacks is to accept a function pointer...
Thread pool threads are like preschool: Leave things the way you found them
9 days ago
A customer wanted to use the Windows thread pool, but they also...
Why does Windows even have Interlocked functions when we have std::atomic?
10 days ago
Windows provides a family of functions for performing atomic operations. They have...
Removing the MAX_PATH restriction on paths applies only to paths
11 days ago
A customer was playing around with Windows long paths and found that...
Application compatibility for Windows 95 crashed a cash register
12 days ago
Some time ago, I told the story of the time the development...
Dubious security vulnerability: Tricking a program into running non-elevated
13 days ago
Within the span of a week,¹ we received two security vulnerability reports...
Why does C++ think my class is copy-constructible when it can’t be copy-constructed?
16 days ago
Consider the following scenario template<typename T> struct Base { // Default-constructible Base()...
Why do some Windows functions fail if I pass an unaligned Unicode string?
17 days ago
A customer found that if they passed Unicode strings (which in Windows...