Category Archives: Info Tech

gcc build error: undefined _Unwind_Ptr

Posted on January 16, 2012 by OmegaSharp

I have tried on build both gcc-4.6.2 and gcc-4.6.1 and failed.  Here is the error: In file included from ../../.././libgcc/../gcc/unwind-dw2.c:35:0: ../../.././libgcc/../gcc/unwind-pe.h:101:1: error: unknown type name ‘_Unwind_Ptr’ Solution: rename the first unwind.h to another name and there should be another unwind.h … Continue reading →

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Math Input Panel with Powerpoint 2007

Posted on September 20, 2010 by OmegaSharp

Windows 7 comes with a cool accessory called “Math Input Panel”. It’s even cooler if you have a Tablet PC. After you hit “insert”, you can hit Ctrl-V in applications that supports MathML to paste it.  Microsoft Word 2007 supports … Continue reading →

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Using MultiBook USB flash drive to revive “BAD” hard disk

Posted on September 18, 2010 by OmegaSharp

We had a few laptops experiencing wierd problems, mostly, unstable system. Reinstall the Windows, or, even restore from the factory image made things worse. The problem is the hard disk.  Computer 1: Compaq Presario C762 — the system just die often, … Continue reading →

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USB MultiBoot 10

Posted on September 18, 2010 by OmegaSharp

USB MultiBoot 10 is a great utility to make usb flash drive bootable.  wimb wrote an exerllent tutorial on this: http://www.boot-land.net/forums/?showtopic=4900. At the time of this writing, there are no newer version (I did found a few USB MultiBoot 12 … Continue reading →

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