Second Kill Solution in High Concurrent Business Scenario (Preliminary Study)

Prodigal Programming goes in all directions Author: The prodigal son programms to go all directions, diligently records, understands to share, deliberately practices, daily improvement! Public Number: Talk late at night Article brief introduction The content of this article is a solution to the problem of oversold in concurrent business scenar ...

Posted on Mon, 14 Oct 2019 20:57:16 -0700 by cityboy101

Exploring JAVA8 part2: several built-in functional interfaces

previously on Deep Exploration of JAVA8 Par1: Functional Programming and Lambda Expressions Before reading this article, those who are not familiar with functional programming and Lambda expressions can first look at the above and recall it. This article will briefly introduce some of the built-in functional interfaces in Java 8 Retrospective F ...

Posted on Mon, 14 Oct 2019 13:25:55 -0700 by jdnet

Common Property Settings and Common Events for TreeList of DevExpress

scene Winform Control - DevExpress18 Download, Install, Register and Use in VS: https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/100061243 How does DevExpress's TreeList set up the data source? https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/102548490 Implementing a simple TreeList and setting up the data source on it, t ...

Posted on Mon, 14 Oct 2019 07:10:04 -0700 by liquidchild

Spring 5 source code deep parsing - how is spring transaction implemented through AOP? (100% understanding of Spring transactions)

This article needs a Spring AOP foundation, knowing the underlying principles of AOP can better understand Spring's transaction processing. Custom Label For the code analysis of transaction functions in Spring, we start with the configuration file, which has such a configuration: <tx: annotation-driven/>. It can be said that the configu ...

Posted on Sun, 13 Oct 2019 20:43:39 -0700 by ankurcse

springboot2 properties file dynamic loading

1. A better solution is to use file monitoring to rely on commons-io2. <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.5</version> </dependency> 2. Writing listeners import java.io.File; import com.di ...

Posted on Sun, 13 Oct 2019 10:43:31 -0700 by majik92

Java Dynamic Proxy Source Analysis

Java Dynamic Proxy Source Analysis Interface and proxy classes Interface package cn.jastz.java.reflect.dynamic.proxy; /** * @author zhiwen */ public interface Foo { void bar(); void rtest(); void rtest1(); void rtest2(); } proxy class // // Source code recreated from a .class file by IntelliJ IDEA // (powered by Fernflower d ...

Posted on Sun, 13 Oct 2019 09:42:37 -0700 by DigitalNinja

Codeup 1928 Issue

Codeup 1928 Issue Title Description There are two dates. Find the number of days between the two dates. If the two dates are continuous, we set the number of days between them to be two days. input There are multiple sets of data, each with two rows representing two dates in the form of YYYYMMDD ...

Posted on Sun, 13 Oct 2019 09:20:17 -0700 by amob005

Introduction of java classes and objects

*/ Class members: 1. Attribute is also called member variable or global variable or Field. 2. Method is also called member method or method or function./* package com.zy.java1; public class Person { //attribute String sex; private int age; String name; //Method publi ...

Posted on Sun, 13 Oct 2019 09:04:37 -0700 by joecooper

java bean attribute verification framework valid

Project introduction Parameter verification is a very common requirement in java development. But there are still some problems in the use of hibernate-validator. Characteristic Support for fluent-validation Support jsr-303 annotation Support i18n Supporting user-defined policies Support user-defined annotations Open source address valid Crea ...

Posted on Sun, 13 Oct 2019 04:08:18 -0700 by Paul Moran

Concurrent Queue of Concurrent Programming

Concurrent queues JDK provides two implementations on concurrent queues. One is the high performance non-blocking queue represented by Concurrent LinkedQueue. One is the blocking queue represented by the BlockingQueue interface, which inherits from Queue in either case. 1. Blocking queue and non-blocking queue The difference between blocking qu ...

Posted on Sun, 13 Oct 2019 03:49:45 -0700 by TabLeft