Programmer Group

Two words don't say, directly on the goods. A lot of exchanges ha, thank all the gods.The main point is as follows: Object object = redisTemplate.execute(redisUpdateOrderScript, //If there is a key here, add "{}" as the official website says, or it will be reported as an error. All three keys here should have the same prefix Arrays.a ...

In fact, some of Shiro's learning notes should have been written for a long time, because the late stage of lazy cancer and procrastination has not been implemented. Until today, a project of the company encountered the problem of frequent disconnection of single sign on in the cluster environment. In order to solve this problem, Shiro's releva ...

1. How to implement session in php Execute the PHP script, session_start() will read the configuration item from php.ini, and put the generated unique value sessionID save file to the save path and location in the configuration item. And return the response header setCookie through HTTP protocolCookie name = cookie value sent to client. The cli ...

Environment preparation, the flash redis project in the previous section, starts the project: docker-compose up -d Starting flask-redis_web_1 ... done Starting flask-redis_redis_1 ... done View status: docker-compose ps Name Command State Ports ---------------------------------------- ...

Basic operation methods of redis 1.redis Connections for: //Instantiate redis $redis = new Redis(); //Connect $redis->connect('127.0.0.1', 6379); //Check whether the connection is successful echo "Server is running: " . $redis->ping(); // Output result Server is running: +PONG 2.redis operation Strng (string): // Set the value of ...

As we know, shiro manages sessions through Session manager, while Session operations are implemented through SessionDao. By default, shiro implements two kinds of SessionDao: cacheingsessiondao and MemorySessionDAO. When we use EhCache caching, we use cacheingsessiondao. When we do not use caching, we choose internal based caching Therefore, if ...

Abstract factory pattern Originally, I didn't want to write this article, but I didn't want to write the factory mode, because everyone would, but today I saw an old fellow's blog. https://www.yuxuan66.com/16 As for the realization of the abstract pattern, it was well written. After seeing it several times, I had some ideas of myself and I was ...

1. Import the web project, create the authentication module, and modify the pom.xml file 2. Paste the profiles file into the authentication module. There are two files database.properties and redis.properties in the profiles folder. Modify the database connection properties (user name, password, database name, etc.) in database.properties, an ...

1. Install gcc-c++, tcl yum install gcc-c++ tcl 2. Decompress, compile and test tar zxvf redis-5.0.5.tar.gz make make test 3. Install to / opt make PREFIX=/opt/redis/redis-5.0.5 install # Create a soft chain ln -s redis-5.0.5 latest 4. Configuration file. There is an example redis.conf in the source file directory. T ...

Driving module redis Module is used to drive Redis database in Python environment Can be installed directly in pip mode pip install redis Or download domestic image: pip install -i https://pypi.tuna.tsinghua.edu.cn/simple some-package Create connection import redis con = redis.Redis( host="localhost", port="6379", password="12345 ...