Loading

12 2020 档案

Java读写文件常用方法
摘要：一.字符流：读写纯文本（txt，csv等）， 1 字符流写文件主要用：FileWriter，BufferedWriter，PrintWriter 1.1 测试 FileWriter 写入 private void writeFileWriter() throws IOException { try 阅读全文
posted @ 2020-12-23 11:54 Convict 阅读(1001) 评论(0) 推荐(0)
Failed to connect to raw.githubusercontent.com 443 解决方案
摘要：wget 'https://raw.githubusercontent.com/CSSEGISandData/COVID-19/master/csse_covid_19_data/csse_covid_19_time_series/time_series_covid19_confirmed_US.c 阅读全文
posted @ 2020-12-11 15:29 Convict 阅读(2382) 评论(0) 推荐(0)
sbt修改源(国内优先)
摘要：[repositories] local aliyun: https://maven.aliyun.com/repository/public oschina: http://maven.oschina.net/content/groups/public/ osgeo: https://repo.o 阅读全文
posted @ 2020-12-05 16:11 Convict 阅读(881) 评论(0) 推荐(0)
Elasticsearch常用命令
摘要：查看集群索引 curl 'http://172.10.58.20:9200/_cat/indices' 查看集群状态 curl 'http://172.10.58.20:9200/_cat/health' curl 'http://172.10.58.20:9200/_cluster/health' 阅读全文
posted @ 2020-12-04 16:31 Convict 阅读(196) 评论(0) 推荐(0)