Why does GetFileVersionInfo map the whole image into memory instead of just parsing out the pieces it needs?

Raymond ChenMay 30, 2014May 30, 201405/30/14

Commenter acq responds (with expletive deleted), "the whole file is mapped into the process' memory only for version info that's certainly only a few kilobytes to be read?" Why not map only the parts that are needed? "I don't understand the necessity to map the whole file except that it was easier to write that code without thinking too much...

Find the index of the smallest element in a JavaScript array

Raymond ChenMay 26, 2014May 26, 201405/26/14

Today's Little Program isn't even a program. It's just a function. The problem statement is as follows: Given a nonempty JavaScript array of numbers, find the index of the smallest value. (If the smallest value appears more than once, then any such index is acceptable.) One solution is simply to do the operation manually, simulating how ...

Why is the debugger telling me I crashed because my DLL was unloaded, when I see it loaded right here happily executing code?

Raymond ChenMay 23, 2014May 23, 201405/23/14

A customer was puzzled by what appeared to be contradictory information coming from the debugger. We have Windows Error Reporting failures that tell us that we are executing code in our DLL which has been unloaded. Here's a sample stack: But if we ask the debugger what modules are loaded, our DLL is right there, loaded as happy as can ...

Why does my radio button group selection get reset each time my window regains activation?

Raymond ChenMay 22, 2014May 22, 201405/22/14

A customer reported (all incomplete information and red herrings preserved): We have an issue related to two radio buttons in a window. The code programmatically checks the second button by sending the BM_SET­CHECK message. We observe that if the user clicks somewhere else on the screen (so that our application loses focus), and then ...