fighting fighting
Java
jdk镜像 https://repo.huaweicloud.com/java/jdk/
安装多个版本jdk https://stackoverflow.com/questions/26252591/mac-os-x-and-multiple-java-versions
export JAVA_8_HOME=$(/usr/libexec/java_home -v1.8)
export JAVA_11_HOME=$(/usr/libexec/java_home -v11)
alias java8='export JAVA_HOME=$JAVA_8_HOME'
alias java11='export JAVA_HOME=$JAVA_11_HOME'
export JAVA_HOME=$JAVA_8_HOME #default
长轮询:https://blog.csdn.net/maple_son/article/details/87884185
事件流:https://www.baeldung.com/spring-server-sent-events
集合工具:https://www.denismigol.com/posts/487/java-null-safe-iterable-getfirst-getlast-element
分布式链路追踪: http://wuwenliang.net/2018/09/03/自己写分布式链路追踪框架1-TraceId-SpanId-ParentSpanId生成及传递/
Slf4j MDC 使用和 基于 Logback 的实现分析: https://ketao1989.github.io/2015/04/29/LogBack-Implemention-And-Slf4j-Mdc/
DataDev
dataworks:https://help.aliyun.com/product/72772.html
dataPhin:https://www.aliyun.com/product/dataphin
打包编译
sbt: https://www.scala-sbt.org/release/docs/zh-cn/Hello.html
maven 运行指定test: mvn test -Dtest=[ClassName]#[MethodName]
mvnw:https://www.cnblogs.com/easonjim/p/7620085.html