Qiao questions

• Open file with pyQt
• Bind several columns to one variable in PDO
• Check if array element data[i][j][k] exists
• Do not close tooltip when input has focus after click
• jQuery stop "click" action after first elevent
• HTML sends x y POST data with no inputs - how is this possible?
• csv to OrderedDict
• Using "r" with variables in re.sub
• MySQL: Count rows by field
• mysql - UPDATE with LIMIT x, y

Qiao answers