Jacob questions

Jacob answers

• LIKE contains %
• MySQL: INSERT IGNORE or ON DUPLICATE KEY UPDATE with checking multiple and not unique columns
• Primefaces DataTable - Filtering [column not filtering]
• Referencing between sheets with formulas generated in VBA
• Access 2007 query incorrectly returns zero records
• How to get the root ID of a parent child structure
• Open file with pyQt
• xlwt: Is it possible to adjust the style of a cell after creating it?
• Is it possible to embed java program (or applet) in a pdf file
• SQL select values of each selected columns on separate rows