Frequently used / Essential Python Snippet

• One Line For Loop
  • [i.x for i in mylist if i.x > 250]
  • Useful reference: 20 extremely useful single-line Python codes (Medium)
• Get selected rows in QTableWidget or QTableView
  • reference: https://stackoverflow.com/questions/5927499/how-to-get-selected-rows-in-qtableview
  • tableName.selectionModel().selectedRows()[0]
• Error handling in Python Mysql
  • try catch
  • try except, reference: https://stackoverflow.com/questions/30996401/error-handling-in-python-mysql
  • except (sqlite3.Error, sqlite3.Warning) as e:
    • print e
  • except Exception as e:
    • print e
• WINDOW DESIGN RELATED
  • Show maximize button
    • self.setWindowFlags(Qt.WindowMaximizeButtonHint)
    • reference: https://stackoverflow.com/questions/56340436/attributeerror-ui-dialog-object-has-no-attribute-setwindowflags