Hot corners do not work. Is there a plist that can be deleted to rectify this?

Is there a plist that can be deleted for hot corners? I cannot get them to work at all. Thanks for any help.

"The easiest way to get the hot corners temporarily working again is to launch the Terminal.app and type "killall Dock" in." quoting Michaël Betsch
I tried this but it still doesnt work. Just to clarify, i'm using a MacBook Pro MAC OS X v10.7.2 Lion.
I even tried changing the hot corners and changing it back. But all the 4 corners still doesn work.
I encounted this several times already. I tried rebooting my mac and it worked after startup.
Is there a better solution to it besides rebooting my laptop?

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Hi all!
I'm using a 24" ASUS display to extend my MB's screen, when using it at home.
After upgrading to Snow Leopard, the hot corners still work with/on my MB's screen, but no longer with/on my ASUS-screen.
After defining the hot corners in the system preferences, everything works well, even with the second screen, but when I shut the MB down, and start it again on the next day, the hot corners only work with the MB-screen, and no longer with my ASUS-screen.
Sorry for my bad english, but I hope you understood my problem so that anyone might be able to help me, or at least share the experience...
Thanks!

No ideas?

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http://support.apple.com/kb/HT1414
If necessary Place the Device into Recovery mode...
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Once you have Recovered your Device...
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http://support.apple.com/kb/ht1766
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I was hoping for a good bubble bursting, but I tried that HP "update" as soon as my printer stopped responding. I really really wanted my bubble popped.
One needs the Apple supplied driver for this work. It will not work because the driver to basically function on the updated Mavericks is not supplied by Apple Updates, so the HP driver that stops printing an extra page is rendered useless. I spent, wasted two days going back and forth between Support threads, HP chat and on the phone, through all the Mac channels where I was told that the 2011 HP was antique. HP said Apple had the drivers. So, they pointed a finger at one another with this unlucky customer caught in the crossfire. HP said Mac did it and Mac said HP did it. BOOM ! goes the guy in between who spent a good bit of money to have good equipment. What is wrong with expecting a printer to last beyond 3 years, or for a back up drive to last more than 3 years?
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INSERTstatement is not working if there is a before insert trigger on that table. That trigger contains an insert to another table which having the main table reference.
Let us say, for example there a table named 'EMP_DEPT' and there is a before insert trigger on this table.
In this trigger inserting a record in to another table named 'AUDIT_EMP' and in this table using EMP_Dept primary key as foreign key.
Table EMP_DEPT is having the below columns:
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Table AUDIT_EMP is having the below columns:
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VALUES (audit_emp.NEXTVAL, :new EMP_DEPT_SYS_ID, '1101'
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(emp_dept_sys_id, emp_dept_no, dep_name
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Why the insert into values is not working. Is there any commit transaction sequence change? Any idea please?
Edited by: user6475632 on Sep 16, 2009 7:08 AM

Obviously the code you posted can not work.
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Hot corners do not work. Is there a plist that can be deleted to rectify this?

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