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python Programming Glossary: ret_valChecking uniqueness contraint during form validation in App Engine http://stackoverflow.com/questions/16441804/checking-uniqueness-contraint-during-form-validation-in-app-engine False uk Unique key_name key_name uk.put return True ret_val db.run_in_transaction tx form_name field_data app.logger.debug.. tx form_name field_data app.logger.debug ret_val str ret_val return ret_val forms.py I have overridden the __init__.. tx form_name field_data app.logger.debug ret_val str ret_val return ret_val forms.py I have overridden the __init__ and validate_on_submit..
How to embed a Python interpreter in a PyQT widget http://stackoverflow.com/questions/2758159/how-to-embed-a-python-interpreter-in-a-pyqt-widget command if not prev_command and not command ret_val ' n'.join self.construct self.construct return ret_val else.. ret_val ' n'.join self.construct self.construct return ret_val else return '' else if command and command 1 ' ' self.construct.append..
Applying a method with no return value to each element of a list http://stackoverflow.com/questions/5766816/applying-a-method-with-no-return-value-to-each-element-of-a-list the non returning method the only way def shuffled L ... ret_val L ... random.shuffle ret_val ... return ret_val ... L shuffled.. only way def shuffled L ... ret_val L ... random.shuffle ret_val ... return ret_val ... L shuffled range 5 for x in range 5 pprint.pprint.. L ... ret_val L ... random.shuffle ret_val ... return ret_val ... L shuffled range 5 for x in range 5 pprint.pprint L 2 1..
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