Start from a specific situation: you are on a tight schedule, with pressure from management to approve or prove an issue on the software release being tested, and the counterpart R&D team blames you that the metrics are wrong. Actually, you check the application and they are right… looking into the source code u see [...]
January 8th, 2012
Categories: Performance & Capacity planning, Software Libero . Author: Guido Serra . Comments: No Comments
yes, it is a religion ext link: neurope.eu
February 19th, 2011
Categories: Politica e società, Software Libero . Author: Guido Serra . Comments: Comments Off
WTF??? …the cache is not used for queries of the following types: * Prepared statements * Queries that are a subquery of an outer query * Queries executed within the body of a stored function or trigger http://dev.mysql.com/doc/refman/5.0/en/query-cache-operation.html + For certain cases, a correlated subquery is optimized. For example: val IN (SELECT key_val FROM tbl_name [...]
September 27th, 2010
Categories: Software Libero, Technology . Author: Guido Serra . Comments: 2 Comments
September 24th, 2010
Categories: Software Libero, Technology . Author: Guido Serra . Comments: 1 Comment
in one word… BUGGY …try it here http://github.com/diaspora/diaspora/issues/#issue/16
September 16th, 2010
Categories: Software Libero . Author: Guido Serra . Comments: 1 Comment
we need a used/cheap rack for FSFE Headquarter in Düsseldorf !!! URGENT
August 25th, 2010
Categories: NRW (Renania settentrionale-Vestfalia), Software Libero . Author: Guido Serra . Comments: No Comments
in MySQL… there is something wrong… I feel like in a DejaVu… I was writing PL/SQL for Oracle in 2005, and now back to this? 12.7 MySQL Compound-Statement Syntax :: 12.7.5 Cursors
July 20th, 2010
Categories: Software Libero . Author: Guido Serra . Comments: No Comments
