Programmer Group

1. Performance optimization case 1: adjusting heap size to improve service throughput 1.1. Modify tomcat JVM configuration In the production environment, Tomcat does not recommend configuring variables directly in catalina.sh, but in setenv.sh under the same level directory (bin directory) as Catalina. 1.2 initial configuration Writ ...

Strategy mode brief introduction The policy pattern is the packaging of the algorithm. It separates the responsibility of using the algorithm from the algorithm itself and delegates it to different objects for management. Policy patterns usually package a series of algorithms into a series of policy classes as subclasses of an abstract policy ...

Author: Xiao Fu GeBlog: https://bugstack.cnPrecipitate, share and grow, so that you and others can gain something! 😄Recently, I am interested in expanding various functions in combination with the development capability of IDEA Plugin. Based on this, different cases are used to explore the IDEA Plugin plug-in development technology. I hope thi ...

👺 Reading guide Recently, Feixue is brushing Java. After all, his studies are coming. He has to consider the road behind. It doesn't make sense to be a back-end person who doesn't understand the basics of Java and learn several mainstream frameworks. Then I tried to write the king glory Locke Kingdom simulation game that I, a novice Jav ...

     1. What is a handler      2. How to get the handler (if you don't pay attention to the analysis process, you can skip and look at the summary directly      3. Simple summary of handle 1. What is a handler      Students who have learned about the spigmvc process must have heard of the handler. Baidu translates it as ...

Author: Xiao Fu Ge Blog: https://bugstack.cn Precipitate, share and grow, so that you and others can gain something! 😄 Recently, I am interested in expanding various functions in combination with the development capability of IDEA Plugin. Based on this, different cases are used to explore the IDEA Plugin plug-in development technology ...

Process control Create process fork //Create child process pid_t fork(void); //Success: the parent process returns the PID of the child process, and the child process returns 0; Failure: Return - 1, set errno value The parent-child process who preempts the CPU time slice will execute first Global variables cannot be shared between p ...

JDK dynamic agent The dynamic proxy of JDK only allows proxy interfaces Important classes and interfaces Proxy and InvocationHandler The proxy.newproxyinstance (classloader, loader, class <? > [] interfaces, invocationhandler h) method creates a proxy object for the target object After obtaining the proxy object of the target object, th ...

To understand the development background of Spring Boot, we have to start with the release of Spring Framework version 1.0 in 2004. However, we all use the spring framework from the beginning of learning Java, so we don't expand too much.With more and more enterprises and individuals using the Spring Framework for development, Spring has slowly ...

Summary: Dynamic Language: Python is a dynamic language, with the duck model at the bottom: when you see a bird walking like a duck, swimming like a duck, and calling like a duck, it can be called a duck. In the duck type, the focus is not on the type of object itself, but on how it is used. In programming, duck typing is a style of dynamic ty ...