Understand interpreter patterns of 23 design patterns

Understand interpreter patterns of 23 design patterns What is an interpreter The definition, characteristics and structure of interpreter code implementation Application scenario of interpreter mode Extension of Interpreter pattern What is an interpreter Interpreter mode, also known as interp ...

Posted on Sat, 27 Jun 2020 04:15:20 -0400 by andrewgarn

EMQ X - EmqxBroker CoAP protocol data access test and questions

Don't say anything. Let's take a picture first. Wait... There's also a snapshot;   Let's see how we use CoAP protocol to connect EMQX; 1, Start the coap plug-in and use the code test; 1. Open the emqx COAP plug-in; you can directly click the enable button on the dashboard; (recommended by Win e ...

Posted on Wed, 10 Jun 2020 02:26:39 -0400 by olm475

CTO: don't write the set/get method in Java code. Catch a fine

preface what? Is your Java code still full of set/get methods? When we first started to learn the Java language, we said that the three characteristics of object-oriented are encapsulation, inheritance, and polymorphism. In Java, to ensure encapsulation, you need to privatize member variables and provide set/get methods for external access. Al ...

Posted on Fri, 29 May 2020 11:23:40 -0400 by jkmcgrath

CTO: don't write the set/get method in Java code. Catch a fine

preface what? Is your Java code still full of set/get methods? When we first started to learn the Java language, we said that the three characteristics of object-oriented are encapsulation, inheritance, and polymorphism. In Java, to ensure encapsulation, you need to privatize member variables and provide set/get methods for external access. Al ...

Posted on Fri, 29 May 2020 11:15:06 -0400 by Dark-Hawk

Configuring Maven skills in Eclipse

Configuring Maven in Eclipse Specify the path to configure and install maven Mavan local warehouse with Eclipse: Instead of the warehouse and setting we configured, you can also use the default one relation setting.xml file to configure setting.xml , plus Alibaba proxy imageIt will be slow to download jar directly from the address of the centr ...

Posted on Fri, 22 May 2020 12:14:10 -0400 by en

North Airlines OO (2020) Unit 3 Blog Job

Catalog North Airlines OO (2020) Unit 3 Blog Job JML Language Summary theoretical basis Declarations of specification variables Common Expressions Method Specification Type specification Application Tool Chain Situation OpenJML validation Par ...

Posted on Tue, 19 May 2020 20:00:26 -0400 by LordPsyan

Parse C++ exception handling

​ Author: Conscience Stills Reporting Authorization and Outlook: Welcome to add WeChat: Allen-Iverson-me-LYN executive summary There are often problems encountered during the running of a program, such as array subscripts crossing bounds, dividing by zero, etc. If these errors are not found and handled, our code is likely to cause the program t ...

Posted on Thu, 14 May 2020 23:59:30 -0400 by tlenker09

Remote automation test of Web application with Selenium/Ant

The Client side mainly starts JUnit's TestCase through an ant build file, then starts the test method in TestCase, connects and activates the server side for automatic test. The code of the Client-side core test unit is as follows: package com.tail.p2test; import junit.framework.Test; import junit.framework.TestCase; import junit.fram ...

Posted on Thu, 07 May 2020 10:36:10 -0400 by Dowdy

jacoco generates single test coverage report

1, About jacoco jacoco is an open source coverage tool, and its development language is java. It can be embedded in ant and maven, used as Eclipse Plug-in, used as java agent probe to monitor java programs, etc. Many third-party tools provide the integration of jacoco, such as sonar, jenkins and so on. jacoco includes a variety of scale coverag ...

Posted on Thu, 07 May 2020 04:40:01 -0400 by MasterHernan

Element modification of java: list collection

The principle is to delete the old elements before adding new ones, not to modify the old elements directly package demo; /* * Courses */ public class course { public String id; public String name; public course (String id,String name) { this.id=id; this.name=name; } } package demo; import java.util.HashSet; import java.util.Set; ...

Posted on Tue, 05 May 2020 06:27:43 -0400 by kripz