Archive for 05:44 PM

Windows 7 x64 32 Bit ODBC

05:44 PM

[Microsoft][ODBC Driver Manager] The specified DSN contains an architecture mismatch between the Driver and Application

If you need to create a ODBC Datasource for 32 Bit Applications under Windows 7 x64 you have to use C:\Windows\SysWOW64\odbcad32.exe. More info can be found in this tutorial.

Windows 7 OpenVPN

05:21 PM

Successstory: OpenVPN Build 2.1_rc19, released on 16.07.2009, successfully installed on Windows 7 x64!

Mysterious data changes

04:36 PM

This error has cost me almost two days to debug:

Conditional Breakpoint

Its only symptoms where spurious but widespread changes to a single property. While this is “obviously” human error, these “easy” points would have mitigated the damage done:

  • strict type checking: the expression is of type string and not of type bool, the C# compiler would have known the difference and issued an error
  • in-band evaluation: The expression didn’t trigger breakpoints within the MethodName property. This would have pinpointed the cause of the data change immediately
  • constant vigilance!

Puppet Module Repository Beta

03:08 PM

Finally! Luke and I took out a minute and hashed up a scheme to get the ball rolling on a central one-stop-shop for puppet modules.

Let me quote the pertinent part from Luke’s mail:
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XCache

09:46 AM

Installed XCache a few days ago. Traded 64MB RAM for instant PHP speed goodness. Sometimes you can have your cake AND eat it. :)