Since Mongo is schemaless, there is no need to specify schema, only collections must be created. Same for indexes - these are just classic (B-tree) indexes that work on any field type.
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Whenever the robot detects a spill, stain, or sticky mess, it stops vacuuming and starts a scrubbing pattern. In my testing, this effectively removed dried juice, coffee, soda, and even maple syrup without leaving residue.
def __init__(self, storages: List[Storage]):
郭晓东：那种恍惚的状态、外部形体的感觉，是演不出来的，镜头不会撒谎。而且我特别享受，我愿意为表演付出所有，我觉得我热爱表演到了一种……我可能表现得没有那么癫狂，其实我挺癫狂的。