You are using 'country' as a string not a variable. for row in csv_reader: if population < 1: r.hincrby(country, 'population', 1). ... <看更多>

Method: Redis#hincrby. Defined in: lib/redis.rb. permalink #hincrby(key, field, increment) ⇒ Fixnum. Increment the integer value of a hash field by the ... ... <看更多>

Time series approach? http://redis.io/commands/hincrby. redis> HSET myhash field 5. (integer) 1. redis> HINCRBY myhash field 1. (integer) 6. ... <看更多>

Redis #PHP教程#MySQL #基础教程TG入群方式：https://dwz1.cc/JmBvUAJ 频道会员：https://dwz1.cc/vZ9Nt7Y 《黑马PHP入门到精通就业班》 最新教程， ... ... <看更多>

Package redis implements a Redis client. ... string) *StringStringMapCmd; func (c *Client) HIncrBy(key, field string, incr int64) *IntCmd ... ... <看更多>