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2020-05-19
  • centos7安装nodejs的方法
  • ```wget https: nodejs org download release v8 9 4 node-v8 9 4-linux-x64 tar gztar --strip-components 1 -xzvf node-v* -C usr local````
2020-03-19
  • flutter post删除方法
  • ``` Map get headers => { "Content-Type": "application json", "Accept": "application json"
  • flutter下拉展开
  • ```import dart:async;import package:flutter material dart;import package:http http dart as http;import dart:convert;void ma
  • sqlite时间group by
  • ```select strftime(%Y,datetime(actime, unixepoch, localtime)) as year,sum(acmoney) as money from account group by strftime(%Y,datetime(actime, unixepoch, localtime))```
  • thinkphp5高级查询
  • ``` $map = []; $map[] = [status, =, 1]; $map[] = [is_delete, "=", Db::raw(0)];
2020-02-21
2020-02-07
  • flutter用浏览器打开网址
  • 在pubspec yaml添加```dependencies: url_launcher: ^5 1 3```源代码```import package:flutter material dart;import package:url_l
2020-02-03
  • nginx反向代理
  • ```location { proxy_pass http: 127 0 0 1:7001; proxy_set_header Host test zhaodaima net; proxy_set_head
2020-01-05
  • java 设置环境变量的方法
  • 1 bat```@echo 以管理员身份运行,否则会拒绝访问系统变量 setx M JAVA_HOME "D: Java jdk-9 0 4" setx M CLASSPATH " ;

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