Yesterday i tried to boot my dell d505 from a external usb cd rom. unfortunatelly the bios change didn't take effect.

If you have the same problem - here is the clue:

Try to remove the internal cd/dvd drive from your laptop and boot it up with the external drive. That could fix the problem.

have a nice day
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For some reason SQLDeveloper started to work a bit weird.
- [END] key was not working
- [ctrl]+[v] wasn't pasting anymore
- [shift]+[cursor left] was not marking anything

i found the solution for this problem on forums.oracle.com

set back your accelorators: Tools -> Preferences -> Accelerators -> Load Preset -> Default
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ok, it was a nice time to play around with msvdm (microsoft virtual desktop manager) but now its time to get rid of this immature piece of crap and search for alternatives.

i already found a solution i could live with, for the problem with excel (disappearing toolbar) but yesterday while i was trying to finish my mastherthesis (yes - i use ms word to write it), msvdm caused serious problems.

i think you should try to prevent having one instance of ms word running "in one virtual desktop" and another one "in a second virtual desktop". i think msvdm caused a crash of ms word, because i closed ms word in one desktop, hoping that it has no effect to the other instance. BAD IDEA! ...

another really annoying bug is, that msvdm is not really able to handle iexplore (i know i should change to firefox) on several virtual desktops.

That's it my friend msvdm - we had a nice time, but i think we just spent to much time together ... It's not your fault, it's ... well ... actually ... it is your fault - i hope the uninstall routine doesn't cause any troubles
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I just experienced that Oracle SQLDeveloper 1.5.1 has a bug, if you try to export a result as a insert-script.

The delimeters in the VALUE clause are dots instead of commas.

To fix this you have to change your preferences (Tools-Preferences-Database-NLS Parameters). There you set Group Seperator to , (comma) and change the Decimal Seperator to . (dot)
!!! it is important to change the Decimal Seperator as well - it wont work if Group- and Decimal Separator are the same !!!

I don't know why it doesn't work if you change the General Export Parameter to , (comma) but the workaround works just fine.
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i'm currently using msvdm (microsoft virtual desktop manager) and excel and had to realise that it's not working in a harmonic way.

if excel is active and you switch to another (virtual)desktop, then back again - one more time microsoft's annoying bug-devil hits you (the menu bar disappears).

i did a little online - research and found some workarounds

1. make yourself a makro to reload the toolbar-file (excel11.xbs)
   described here http://www.pcreview.co.uk/forums/thread-1064036.php
2. it will also help to minimize the excel window before you leave to another virtual desktop
   which is not really a solution for this problem - but it seems to work

both of the workarounds work, but i'd actually recommend to

• make a simple shortcut (classic windows shortcut) to the toolbar-file (excel11.xbs) which should be located somewhere like c:\documents and Settings\[USERNAME]\Application Data\microsoft\excel\ and
• assign a keyboardshortcut like [ctrl]+[alt]+a.

it'll work perfectly fine everytime you lose your toolbar (and you dont have to bother the macro editor ;))