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Monthly Archives: November 2011

error FTK1011: could not create the new file tracking log file: The file exists.

This error means visual studio 2010 is unhappy about a DEBUG/RELEASE/BUILD folder already existing. You need to go to your project folder and delete ALL build folders (/Debug, /Release) and then rebuild the project.

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We all know d/dx sin( x ) = cos( x ).

Also noted that constitutes a +90 degree phase shift in sin( x )