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Project Host Configuration Based on Virtual Directory In Tomcat, the default virtual directory is webapps, but for the project location, we can also set up Context to achieve, a Host can set up more than one Context; <Host name="localhost" appBase="webapps" unpackWARs="true" autoDeploy="true" xm ...

The life cycle of spring beans is the basis and difficulty for further study of spring. This article will elaborate the life cycle of spring beans in the way of code + graphic conclusion. This article will clarify the following figure.   I. Project structure and source code 1. Program directory structure  2.applicationContext.xml &l ...

As a rookie, he suddenly wanted to know about the bubble pop window, so he wrote a simple pop window to look for information. Personal feeling is in line with the level of novice birds;   First, customize the bubble box public class MyLinear extends LinearLayout { private Paint paint; // ...

I. Use of ActionBar Action Bar is the application of the top rectangular bar, the content is generally app icon, app name, menu buttons, tab navigation, etc. 1. Display and hide ActionBar xml method: Setting the theme attribute of application or activity in manifest can display and hide (theme with NoAction Bar) java method: first, getSupportAc ...

Let's take a look at the simplest project I've created. controller class @RestController public class TestController { @RequestMapping("index") public String index() { return "hello"; } } The pom file hasn't been modified, so let's start the project directly. Look at the version of embedded tomcat in the startup log. My ...

Recently, the spring source code has been re-parsed so that I can better read the spring source code in the future. If you want to discuss it in depth, Please add me QQ:1051980588. 1 ClassPathResource resource = new ClassPathResource("bean.xml"); 2 DefaultListableBeanFactory factory = new DefaultListableBeanFactory(); 3 XmlBeanDefinitionRe ...

Cloneable:CloneableSupportedException clone() provided by the Object class can only be used if the subclass implements the Cloneable interface, otherwise the above exception will be thrown. protected native Object clone() throws CloneNotSupportedException; To make an object copy, we must implemen ...

Catalog python day 9 1. xml module 1.1 First Understanding xml 1.2 Traversing specified nodes of xml documents 1.3 Manual creation of xml documents through python 1.4 Two Ways to Create Nodes 1.5 summary 2. configparser module 4. shutil module 5. subprocess m ...

Preface Mybatis multi data source configuration. Recently, in the construction of the project, a new business module needs to be expanded on the original system, and the database is specially divided into databases, so as to reduce the complexity. This article uses a simple code example to illustrate how to configure MyBatis multiple data sourc ...

1, background Recently, the company hopes to achieve Android native PDF function, requirements: efficient and practical. After two days of research and coding, a simple Demo is implemented, as shown in the figure above. There are still many technical points about the realization of PDF function in Android's native end. In order to avoid detour ...