YouTipSorted Sets Zrem
# Test data redis 127.0.0.1:6379> ZRANGE page_rank 0 -1 WITHSCORES 1) "bing.com"2) "8"3) "baidu.com"4) "9"5) "google.com"6) "10"# Remove a single element redis 127.0.0.1:6379> ZREM page_rank google.com (integer) 1 redis 127.0.0.1:6379> ZRANGE page_rank 0 -1 WITHSCORES 1) "bing.com"2) "8"3) "baidu.com"4) "9"# Remove multiple elements redis 127.0.0.1:6379> ZREM page_rank baidu.com bing.com (integer) 2 redis 127.0.0.1:6379> ZRANGE page_rank 0 -1 WITHSCORES (empty list or set)# Remove non-existent element redis 127.0.0.1:6379> ZREM page_rank non-exists-element (integer) 0
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