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Android TextView drawText BaseLine understanding Solution: how to set the vertical center of drawn text in the box 1. getHeight/2 is set to drawText to draw coordinates, which cannot be centered Upper code XML: <com.denganzhi.cusomerwidget.View.MyView android:layout_width="100dp" ...

Article directory 1, Overview of XML files 1. XML file 2. Sample XML file Two, the restriction of XML file 1. Constraints overview 2. DTD constraint example 3, Analysis of XML file 1. Overview of XML file parsing 2. DOM parsing 3. SAX parsing 4. DOM4J parsing 5. JDOM parsing 6. Comparison of sev ...

Preface It's recommended that you read this article first (above Mybatis, the Java persistence framework for first time) Click to visit 9. Mybatis Connection Pool and Transaction Depth 1. Connection Pool Technology for Mybatis Connection pooling technology in MBatis uses its own connection pooli ...

Multiple students, corresponding to a teacher; For students, multiple students are related to one teacher For a teacher, there are many students in a teacher Many to one 1. Create the corresponding sql (mybatis.student, mybatis.teacher); 2 2. Import the corresponding dependency (pom.xml) <depend ...

The core of Spring Spring's core concepts are inversion of control (Ioc), aspect oriented programming (AOP), and dependency injection (DI)! These three core technologies are the basis of learning spring, and most of the others are based on their integration. Let's introduce them separately Spring's of ...

In this paper, a simple simulation of auto-configuration is performed to understand the process of auto-configuration.And we wrote a small example to test it. Automatic assembly: The purpose is to load the required module components without the developer using @ComponentScan @EnableXXX. SpringBoot use ...

What is horizontal/vertical overstepping? Horizontal Override: Horizontal override refers to an attacker attempting to access resources of a user with the same privileges as he has.Vertical Override: Vertical override refers to a low-level attacker attempting to access resources of high-level users. How can I prevent the lateral overstepping ...

Details of SSM development process SSM execution flow chart: Step 1: create database, create table statement, use mysql database, Navicat for MySQL visual database management tool. Step 2: create Maven web project structure and use IDEA development tools for development. Step 3: create a project direc ...

Article directory 1. Spring's IoC core container 2. Details of spring's bean management 1. Three ways to create bean s 2. Scope of bean 3. Life cycle of bean object 3. Dependency injection in spring 1. Use constructor 2. Use set method (more commonly used) 3. Use notes 4.Spring configuration note ...

Start with a simple SpringBoot demo package com.baojiong.demo; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class DemoApplication { public static void main(String[] args) { SpringAppli ...