Software Development

How do I un-commit something from SVN?

If you have the following, and want to remove the commit at r15198 below: 
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r15361 | S_CHUDLEY | 2008-11-03 12:39:22 +0000 (Mon, 03 Nov 2008) | 1 line

Fixed a bug!
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r15198 | t_song | 2008-10-28 08:30:30 +0000 (Tue, 28 Oct 2008) | 1 line

Added some new functionality
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r14582 | S_CHUDLEY | 2008-09-29 16:51:39 +0100 (Mon, 29 Sep 2008) | 1 line

Merged in changes from branch
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r13244 | S_CHUDLEY | 2008-07-04 14:52:46 +0100 (Fri, 04 Jul 2008) | 1 line

Enhanced logging
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Run: 

svn merge -r 15198:14582

Check the changes with 'svn diff' then commit as normal.

How do I break VS code into the debugger?

__debugbreak();

How do I set thread affinity under Windows?

Where x is the processor ID (zero indexed):

SetThreadIdealProcessor(GetCurrentThread(), x)

Where x is hex bitmask of which processors the thread can run on (i.e. 0x1 is processor 1, 0x4 is processor 3):

SetThreadAffinityMask(GetCurrentThread(), x))

Ensure you have #define _WIN32_WINNT 0x0500 defined before including Windows.h

How to force use of Winsock2?

Add _WINSOCKAPI_ to preprocessor defines.

How to resolve the error 'Cannot open include file: iostream.h' with a VC++ app?

Add the following before all your includes in your source file:
#define _iso_stdcpp_

I get the following error running a debug built application 'Failed to initialize (0xc0000022)'

Ensure the debug DLLs (i.e. MSVCRTD.DLL etc) have the execute permission set.

How to find pool tags that are used by third-party drivers

In C:\WINNT\system32\drivers run
findstr /m /l tag *.sys