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Redis Redis Command Reference Web Site: http://doc.redisfans.com/ Introduction to Redis Redis is completely open source, free of charge, complies with BSD protocol, and is a high-performance key-value database. Redis and other key - value caching products have three features: Redis supports dat ...

GrapeAll videos: https://segmentfault.com/a/11... intset is a kind of data structure in Redis. It has the status of ziplist and dict. Definition of intset? Intset is one of the underlying implementations of Redis collections. When all the data added are integers, intset is used; otherwise dict is used. In particular, Redis converts the data st ...

Beauty-Jump Table of Algorithms and Data Structure Understanding Jump Tables Jump Table Query Efficiency Memory consumption of jump tables Efficient dynamic insertion and deletion Jump table index dynamic update code implementation Answer opening The bottom level of binary lookup depends on the ra ...

First of all, business rules can be rewarded for first signing in and for two consecutive days can be rewarded for signing in. Because openid is used instead of user's uid So the key designed here is openid and the offset to determine whether the user checks in or not is calculated at a cheaper price ...

Typical application scenarios are: N servers provide caching services, need to load balance the server, distribute requests to each server on average, and each machine is responsible for 1/N of the service. The commonly used algorithm is to take the remainder of hash result (hash() mod N): for machine numbers from 0 to N-1, according to the cu ...

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1.Spring Security OAuth2 stores token values in a variety of ways, all of which implement the TokenStore interface InMemoryTokenStore:token is stored in local memory JdbcTokenStore:token is stored in the database JwtTokenStore:token will not be stored in any media RedisTokenStore:token is stored in t ...

Overview of SpringBoot background Springboot uses (conventions are greater than configurations). There are a lot of configurations in the project. In addition, some customary configurations are built in, which greatly reduces our workload. Spring boot makes it easy to create a spring framework-bas ...

An overview of microservices: Micro-service gateway is a system! By exposing the gateway system of the micro-service, it is convenient for us to carry out relevant authentication, security control, log unified processing, and easy to monitor related functions! What are the technologies to implement the ...

Preface By the time of writing, ThinkPHP 6.0 had entered RC3. ThinkPHP 6.0 is expected to be released this autumn as the last or penultimate RC version before the official version, which means that ThinkPHP 6.0 is becoming more and more perfect and stable, and is a candidate version worth trying. As a result, the thought-queue extension, which ...