You can’t specify target table ‘XXX’ for update in FROM clause – MySQL
If you try to run this query below in MySQL UPDATE XXX SET count = count + 5000 WHERE id IN ( SELECT id FROM XXX WHERE id > 2 ) ; You will get … Read more
Monthly Archives: August 2011
Failed to open disk scsi0:0: Unsupported and/or invalid disk type 7
If you get this error Failed to open disk scsi0:0: Unsupported and/or invalid disk type 7. Did you forget to import the disk first? Unable to create virtual SCSI device for scsi0:0 chances are that … Read more
Invalid command ‘RequestHeader’, perhaps misspelled or defined by a module
If you are using Ubuntu just enable the module by running the following command: sudo a2enmod headers Of course restart Apache after that service apache2 restart
SQL Server Setup failed to modify security permissions on registry key
“SQL Server Setup failed to modify security permissions on registry key SOFTWARE\Microsoft\Microsoft SQL Server\MSSQL.1\MSSQLServer\SuperSocketNetLib for user XXXX. To proceed, verify that the account and domain running SQL Server Setup exist, that the account running SQL … Read more
Common Web Browsers Layout Engines
What Layout engine do the common Web Browsers use? IE IE uses Trident layout engine. http://en.wikipedia.org/wiki/Trident_(layout_engine) FireFox FireFox uses the GECKO layout engine http://www-archive.mozilla.org/newlayout/doc/layout-2006-12-14/master.xhtml https://wiki.mozilla.org/Gecko:Home_Page Opera Opera uses the Presto Engine http://www.opera.com/docs/specs/presto29/ Safari Safari uses … Read more