Starting Windows 2000 there is Collaboration Data Objects (CDO) library supplied with the COM infrastructure.

It simplifies a lot many activity, including send mail tasks.

KeepAlive

KeepAliveTimeout

MaxKeepAliveRequests

Windows automatically enables PAE if DEP is enabled on a computer that supports hardware-enabled DEP, or if the computer is configured for hot-add memory devices in memory ranges beyond 4 GB. If the computer does not support hardware-enabled DEP or is not configured for hot-add memory devices in memory ranges beyond 4 GB, PAE must be explicitly enabled.

To explicitly enable PAE, use the following BCDEdit /set command to set the pae boot entry option:

Following is a JSP code you can use to monitor memory utilization in different generations (including PermGen):

To prevent the number of sessions to increase infinitely, they are destroyed after certain time of inactivity (time without changing the page) from the user. This is called session timeout. All user data stored in the session disappears (e.g. you have fill your shopping cart again).

For Tomcat 5.5 and later running as Windows service :

Go to the "Apache Tomcat x.x" folder in the Start Menu. Start the "Configure Tomcat".

Or navigate to the bin directory Apache Tomcat installation folder, find Tomcat(version number)w.exe and run it.

It happened to me that i lost my original Canon CD supplied with my digital camera. I got new PC and needed to have DPP installed there. I downloaded the DPP update from Canon site and installed it. To install  Canon DPP update without having previous version installed, open Registry Editor and create section HKEY_LOCAL_MACHINE\SOFTWARE\Canon\Dpp.

Then run Canon DPP update installer and it will install full DPP version successfully.

Goal

Solution

Well, this is quite popular question.

To gather the statistic use this command:

execute dbms_stats.gather_schema_stats (ownname =>'PUT_HERE_SCHEMA_NAME',cascade => TRUE);