Windows : Alt-tab problems

go to "Control Panel\All Control Panel Items\System" [wich shows information about windows edition, system , activation & …] on the right click on "advanced system settings" under the "advanced" tab under "performance" click on "settings" under "visual effects" tab click on custom and check all of the items on the list and after that click ok .... I hope it works for you!

Oracle : Startup 9.2 dataguard

startup nomount alter database mount standby database; alter database recover managed standby database disconnect;

Netapps : Delete blocking locks

* Log on to netapp filer To view locks - priv set diag; lock status -f  To delete locks - priv set diag; sm_mon -l [servername]

Linux : Yum - installing a specific version

To get all versions of a package in a repo * yum search --showduplicates  mercurial * Then install with full name yum install mercurial-1.7.2-1.el5.rf.x86_6

Visual Studio : Disable vshost generation

The Visual Studio hosting process improves debugger performance and enables new debugger features, such as partial-trust debugging and design-time expression evaluation. You can disable the hosting process if you need to. To disable the hosting process * Open a project in Visual Studio. * On the Project menu, click Properties. * Click the Debug tab. * Clear the Enable the Visual Studio hosting process check box.

Oracle : Dropping queue tables

alter session set events '10851 trace name context forever, level 2'" , followed by a DROP TABLE tname