Programmer Group

After working for many years, I found that there are many tool class libraries that can greatly simplify the amount of code and improve development efficiency, but junior developers don't know. These class libraries have long become the industry standard class libraries, and they are also used in large companies. If someone told me to use these ...

preface  we introduced the data generation methods through three articles, mainly including Installation of matplotlib,Application of random walk as well as Use pygal to simulate rolling dice . Next, this paper introduces the data - download data. As we all know, in data analysis and data visualization, data is the most fundamental. Analy ...

Java's BeanInfo is rarely used at work. When I was studying the spring source code, I found that a genus called "spring.beaninfo.ignore" will be set when SpringBoot starts. This configuration can only be found on the Internet, which means whether to skip the search of java BeanInfo and find no other information, but what is BeanInfo? ...

Links to the full series of "java version gRPC actual combat"Generate code with protoService publishing and invocationServer streamClient streamBidirectional flowThe client dynamically obtains the server addressRegistration discovery based on eurekaAbout eurekaWhen we develop the client application, the required server address is set ...

First, post the official website address https://shiro.apache.org/spring-framework.html 1, shiro configuration class To use shiro, you must configure a shiroConfig configuration class, which requires three bean s: Realm, custom realmDefaultwebsecuritymanager needs to pass the Realm parameterShiroFilterFactoryBean, you need to pass the defaul ...

HMR hot module replacement / module hot replacement Function: when a module changes, it will only update the module (not package all) to improve the speed Style file: you can use the HRM function because the style loader is implemented internally js file: no HRM by default html file: there is no HRM by defau lt, and the html file cannot be ...