Provider p = new BouncyCastleProvider();KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("RSA", p);keyPairGen.initialize(1024, new SecureRandom());KeyPair ke...

springBoot + redis. 程序隔一段时间会莫名其妙的报Redis的错误. 报错如下:org.springframework.data.redis.RedisSystemException: Redis exception; nested exception is io.lettuce.core.RedisException: java.io.IOException: Connec..

curl -XPUT -H "Content-Type:application/json" http://localhost:9200/_cluster/settings -d '{"transient":{"cluster":{"max_shards_per_node":10000}}}'

聚合的两种排序方式1. 按组内字段排序: 分组后按组内数据某个字段进行排序2. 按聚合后指标排序: 分组聚合后按照聚合后的某个新指标字段进行排序案例:按组内字段排序AggregationBuilder aggregation =AggregationBuilders.terms("agg").field("gender").subAggregation(Aggreg...

SSL_do_handshake() failed (SSL: error:1408F10B:SSL routines:SSL3_GET_RECORD:wrong version number) while SSL handshaking to upstream, client:......　　解决方式是配置文件增加：proxy_ssl_session_reus...

(java.io.IOException) caught when processing request to {}->unix://localhost:80: Permission deniedchmod 777 /var/run/docker.sock

拉取最新redisdocker pull redis查看redis的构建历史记录, 我这本看到的redis是6.x[root@pay001 data]# docker history redisIMAGECREATEDCREATED BYSIZ...

alpine docker exec: "/bin/bash": stat /bin/bash: no such file or directory 解决方案sudo docker exec -it 1df4f9732e06shposted @ 2019-05-11 1...

docker 强制删除镜像docker image rm -f27600aa3d7f1posted @ 2019-05-09 21:34 肖建锋 阅读(...) 评论(...)编辑 收藏

原因：vue中给对象新增属性直接用=赋值方式，虽然可以新增属性，但是不会触发视图更新例如定义了temp对象在操作过程中又新增了b属性data () {return {temp: {a: ''}}}//直接赋值不会触发视图更新this.temp.b= 24可以新增属性，但是不会触发视图更新vue2.0以上可以用 this.$set()更新视图解决办法this.$set(...