Showing flash messages in DJango with close button Question: I want to display flash messages in Django with the close button. Existing message framework in Django allows to display messages and does not allow to close it. As an example, web2py provides such flash messages. I am looking for similar functionality in Django. If it …
Web2py scheduler – Best practices to rerun task continuously and to add task at startup Question: I want to add a task to the queue at app startup, currently adding a scheduler.queue_task(…) to the main db.py file. This is not ideal as I had to define the task function in this file. I also want …
"object of type 'NoneType' has no len()" error Question: I’m seeing weird behavior on this code: images = dict(cover=[],second_row=[],additional_rows=[]) for pic in pictures: if len(images[‘cover’]) == 0: images[‘cover’] = pic.path_thumb_l elif len(images[‘second_row’]) < 3: images[‘second_row’].append(pic.path_thumb_m) else: images[‘additional_rows’].append(pic.path_thumb_s) My web2py app gives me this error: if len(images[‘cover’]) == 0: TypeError: object of type ‘NoneType’ has no …
