Its all about the game of quality and time management also of material for posting. If you have enough content to post on daily bases without compromising the quality of content and have enough time to edit the videos so having all these facilities it's much effective to post on daily basis. You can also post on weekly basis it depends upon you how to manage your time. Posting daily can push your content to audience soon. The quality of content matters a lot as compared to the quantity of content.