How to Access the Correct this Inside a Callback
Here are several ways to access parent context inside child context. Use ES6 Arrow functions. An arrow function does not have its own bind
Download Static Files in Modern JS
Put files into /public directory Write your download link Download /public/pdf/instruction.pdf 1<a href="/pdf/ins
Communication between Components in Vue.js
In Vue, the parent-child component relationship can be summarized as props down, events up. The parent passes data down to the child via pro
Java成员变量的数据类型改变后可能引发的问题
类型改变，如 Integer 改为 String 或 Integer 改为 Long。 if (xxx.equals(Object obj))当成员变量的数据类型改变后，直接量与成员变量比较时，比较结果可能和之前的结果不同。如： 123new Integer(1).equals(
Custom JSON Serialization and Deserialization
JSON SerializationCustom Serializing Enumeration123456789101112131415161718192021222324252627282930import com.fasterxml.jackson.core.JsonGen
Common MySQL JdbcUrl Properties
Character Encoding 12useUnicode=truecharacterEncoding=utf8 Date Time Processing 1zeroDateTimeBehavior=convertToNull Time Zo
[JDBC Error] Java.sql.SQLException: Zero Date value Prohibited
BackgroundUsing MyBatis to query DATETIME type column data from MySQL table, if column value is 0000-00-00 00:00:00, program will throw exce
How to Configure Activiti 6.0 to Connect MySQL 8.0
DownloadDownloading the Activiti UI WAR file from the Activiti website. Unzip activiti-6.0.0.zip. Copy the activiti-6.0.0/wars/activiti-app.
How to Assign Application Configuration of Spring to Static Fields
The Solution Using @Component inject the bean to the Spring IoC container. Using @Value read application configurations of Spring into non-
Intellij IDEA tips error when injecting MyBatis mapper Java interface using @Autowired
BackgroundIntellij IDEA tips inspection error when injecting MyBatis mapper Java interface using @Autowired 12@Autowiredprivate MyMapper map
