text: 
  UPDATE demos_submission SET source_code_url = 'https://github.com/simurai/shadows/' WHERE slug = 'shadows';
  
  UPDATE demos_submission SET source_code_url = 'https://github.com/paulrouget/motivational/' WHERE slug = 'motivational';
  
  UPDATE demos_submission SET source_code_url = 'https://github.com/cedricpinson/globetweeter/' WHERE slug = 'globetweeter';
  
  UPDATE demos_submission SET source_code_url = 'https://github.com/paulrouget/immersivevideo/' WHERE slug = 'immersivevideo';