Programmer Think

Recently, I have worked hard to find resource animation to summarize the classic sorting algorithm. Some animations have not been found yet, but I will continue to update them later, which is suitable for beginners. Overview of sorting algorithm Sorting: adjust a group of "unordered" record sequences to "ordered" record se ...

preface According to the previous introduction, we know that custom elements can be divided into two categories according to whether they inherit basic HTML elements or not“ Autonomouscustom elementsCustomized built-in elements This raises a question: what is the difference between the two in use? Let me try to explain this problem ...

Before reading this article, you need to understand how to define enumeration and its simple use enumeration 1, How the JVM handles enumerations A simple enumeration class public enum Fruit{ APPLE(67),ORANGE(68),BANANA(69); int code; Fruit(int code){ this.code=code; } } Decompile fruit. Using the Jad command C ...

Function pointer digression A function is a function A pointer is a pointer Pointer function is a function Function pointers are pointers The essence of function pointer The essence of function pointer is pointer, the essence of pointer is address, and the object pointed to by function pointer is a function. The function pointer is generally ...

In Java, a text block is a multiline string text. This means that we don't need to get into the mess of explicit line terminators, string joins, and separators, which are usually used to write ordinary string text. Java} text blocks are available in Java 13( JEP 355) and Java 14( JEP 368  )As a preview function. It is planned to become a st ...

Reference source: https://github.com/datawhalechina/team-learning-data-mining/tree/master/EnsembleLearning 1. Data set 1.1 background introduction The basic principle of thermal power generation is: when the fuel is burned, it heats water to generate steam, the steam pressure drives the steam turbine to rotate, and then the steam turbine ...

I Lock interface Lock interface is the foundation of everything. Its abstract class is a tool used to control the access of multiple threads to shared resources The following methods are provided to abstract the whole business: void lock()void lockInterruptibly() throws InterruptedException: breaks the lockboolean tryLock(): non blockin ...

1, Buffer stream Buffer stream is also called efficient stream, which is an enhancement of four basic FileXxx streams. Therefore, it is also four streams, which are divided into: Byte buffer stream: BufferedInputStream,BufferedOutputStream Character buffer stream: BufferedReader,BufferedWriter Basic principle of buffer flow: When creating ...

Load balancing is used to schedule nodes, so you only need to set the transfer on the server equipped with load balancing The conf file can be directed to the relevant server. It can be tested by a single server first, but since it is a scheduling server, it must not be one server, Load balancing transfers the of a single machine conf conf ...

🚀 Elegant cross window communication and global page management solution cross-window-message Share a cross window communication and global page management developed by myself 0. Characteristics Support directional communication and broadcast communication between different pagesIt supports pages opened in any way, not limited to window ...