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This post is mainly about the publishment and subscription in redis.I think you may subscribe some offiial
accounts on wechat,and when the authors published something new to their accounts,you will get them in
your wechat.The instance can make you understand this pattern easily.you will find there only 6 commands
for publishment and subscription.
This post introduces the basic usages as well.I will show you how to publish a message to a chAnnel.publish
is the command to publish someTings.I publish a chAnnel named news-nba with the message nba.and the client
return me a Integer 0.what is the meaning of the return value?It means that there is nobody subscribe this chAnnel.
publish news-nba nba
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