04 2022 档案
摘要：@Mapper，最终 Mybatis 会有一个拦截器，会自动的把 @Mapper 注解的接口生成动态代理类。当然，前提是，映射器（Mapper.xml）必须满足动态代理的条件：1.namespace与接口的全限定类名相同2.id名与接口中方法名一致 <?xml version="1.0" encod
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摘要：配置类: package us.transcode.thymeleaf.config; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configur
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摘要：MVC: package us.transcode.thymeleaf.exception; import org.springframework.stereotype.Component; import org.springframework.web.servlet.HandlerExceptio
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摘要：spring: datasource: type: com.alibaba.druid.pool.DruidDataSource url: jdbc:mysql://localhost:3306/thymeleaf?characterEncoding=UTF-8 driver-class-name:
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摘要：<!-- https://mvnrepository.com/artifact/com.github.ulisesbocchio/jasypt-spring-boot-starter --> <dependency> <groupId>com.github.ulisesbocchio</groupI
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摘要：${AnsiColor.BRIGHT_GREEN} ${AnsiStyle.BOLD} _______ _______ _ __________________ _______ _______ _______ ( ____ \( ___ )( ( /|\__ __/\__ __/( ____ \|\
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摘要：<plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <fork>true</fork> <!--增加JVM参数--
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摘要：
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摘要：log4j2 + slf4j <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.36</version> </dependency> <dependency> <grou
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摘要：Service Provider Interface:
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摘要：用来找出桌面上一个星期以上（大于或者等于8天）没有访问过的文件，因为是用于示例，这里使用相对容易理解的语法，并且添加了注释： function Get-OldFiles { # 获取桌面上所有的文件信息 $all_files = Get-ChildItem $env:USERPROFILE\Desk
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摘要：https://stackoverflow.com/questions/17866996/how-to-access-plain-json-body-in-spring-rest-controller
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摘要：Appearance & Behavior => System Settings: Keymap: Editor => General: Editor => Color Schema => General: Editor => Color Scheme => Console Colors: Edit
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摘要：1、在能够使用游标前，必须声明（定义）它。这个过程实际上没有检索数据，他只是使用select 语句。 2、一旦声明后，必须打开游标以供使用。这个过程用前面定义的select 语句把数据实际检索出来 3、对于填有数据游标，根据需要取出（检索）各行。 4、在结束游标使用时，必须关闭游标 在声明游标后，可
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摘要：package io.wig; import java.math.BigInteger; import java.security.SecureRandom; import java.util.Arrays; public class Fozy{ public static void main(St
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摘要：import java.nio.charset.StandardCharsets; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class Ruzz{ public
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摘要：byte[] => hexString package io.oar; import java.util.Formatter; public class TestByteToHex{ public static void main(String[] args){ byte[] bytes = {-5
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摘要：PS C:\Users\pretentious> mysqldump --add-drop-database --add-drop-table --add-drop-trigger --comments --compact --complete-insert --compress --create-
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摘要：case分为: case operator & case statement case operator 用于 SQL case statement 用于function & procedure Operator: case statement:
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摘要：fuze表: mysqldump --add-drop-database --add-drop-table --add-drop-trigger --add-locks --compress --create-options --comments --compact --complete-inser
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摘要：spring: mvc: view: prefix: /servlet/static/ # 不加context-path suffix: .html static-path-pattern: /static/** servlet: path: /servlet load-on-startup: 1
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摘要：行锁 变 表锁: Number 隐式转 String时, 索引所在列失效, 变表锁 String 隐式转 Number时, 索引所在列不失效, 仍为行锁 间隙锁
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摘要：<!--开启热部署--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <optional>true</optional> </depend
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摘要：https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.management/get-service?view=powershell-7.2
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摘要：跳转: 接收参数: 乱码: web.xml <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" > <w
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摘要：开启管理访问: conf/tomcat-users.xml : <role rolename="admin-gui" /> <role rolename="admin-script" /> <role rolename="manager-gui" /> <role rolename="manager
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摘要：public class B { public static final void main(String[] args) { System.out.println(System.getProperty("bb")); System.out.println(System.getProperty("f
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摘要：@Test public void d() throws IOException{ URL url = new URL("http://baidu.com"); InputStream inputStream; URLConnection urlConnection = url.openConnec
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摘要：classpath: import java.io.File; import java.util.Arrays; public class B { public static final void main(String[] args) { String property = System.getP
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摘要：package com.company; public class Wig{ public static void main(String[] args){ Object[] objects = new String[]{"a", "b", "c"}; if(objects instanceof S
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摘要：public class Zak { static ThreadLocal<Integer> threadLocal = new ThreadLocal<>(); public static void main(String[] args) throws InterruptedException{
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摘要：https://developers.google.com/maps/url-encoding https://secure.n-able.com/webhelp/nc_9-1-0_so_en/content/sa_docs/api_level_integration/api_integration
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摘要：''.join([chr(random.randint(48,122)) for _ in range(55)])
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摘要：Go to Start > Type in regedit and start it Navigate to HKEY_CURRENT_USER/Control Panel/Input Method/Hot Keys Select the key named: 00000070 for the Ch
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摘要：XML: bean.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLS
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摘要：<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:sc
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摘要：select current_date() from dual; select current_time() from dual; select current_timestamp() from dual; select date_add(now,interval 10 minute) from d
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摘要：select abs(-5) from dual; select bin(10) from dual; # 转二进制 1010 select hex(100) from dual; select conv(number,from_base,to_base) select ceil(n) select
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摘要：select charset(str); # 显示客户端字符集 select charset(field1) from table; # field1字符集 select charset(field2) from table; # field2字符集 concat(str1,str2,...); i
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摘要：java -cp ".;./mysql-connector-java-8.0.28.jar" zak.Zak https://stackoverflow.com/questions/2839321/connect-java-to-a-mysql-database package zak; impor
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摘要：Server & Client Utils.java package den; import java.io.*; import java.nio.charset.StandardCharsets; public class Utils{ public static byte[] streamToB
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