{"href":"https://api.simplecast.com/oembed?url=https%3A%2F%2Fdjangochat.com%2Fepisodes%2Fsignals-fnj7ePkB","width":444,"version":"1.0","type":"rich","title":"Signals","thumbnail_width":300,"thumbnail_url":"https://image.simplecastcdn.com/images/19d48b52-7d9d-4294-8dbf-7f2739ba2e91/259ee18c-8fe2-4e10-8ef7-b95987f5fb24/1549072581-artwork.jpg","thumbnail_height":300,"provider_url":"https://simplecast.com","provider_name":"Simplecast","html":"<iframe src=\"https://player.simplecast.com/75a92611-0284-443a-8f23-71e394f587c2\" height=\"200\" width=\"100%\" title=\"Signals\" frameborder=\"0\" scrolling=\"no\"></iframe>","height":200,"description":"Signals are a powerful but poorly understood and widely abused feature in Django. We explain how they work and introduce Carlton's \"Am I allowed to use signals\" test."}