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RSS订阅原创 Error: Fetching /opt/homebrew/Library/Taps/homebrew/homebrew-core failed. RPC failed curl 56 LibreSS
Error: Fetching /opt/homebrew/Library/Taps/homebrew/homebrew-core failed; error: RPC failed; curl 56 LibreSSL SSL_read: Connection reset by peer, errno 54; curl: (35) LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to raw.githubusercontent.com:443
2021-12-27 15:59:59
2032
原创 Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column ‘faw.visa_q
Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'fawkes.visa_quantity.code' which is not functionally dependenton columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
2021-11-24 14:36:52
876
原创 获取字符串中的数字集合
Pattern pattern = Pattern.compile("[0-9]+");//需要匹配的数字的正则表达式 Matcher matcher = pattern.matcher(n); List list = new ArrayList(); while (matcher.find()) { list.add(matcher.group()); }
2021-11-23 09:40:43
630
原创 Job for docker.service failed because the control process exited with error code.See “systemctl sta
使用命令: systemctl status docker.service查看启动信息 解决方法： 修改/etc/docker/daemon.json文件和/etc/sysconfig/docker-storage文件, 修改/etc/docker/daemon.json为{ “storage-driver”: “devicemapper” }，如果没有则新建 修改/etc/sysconfig/docker-storage为DOCKER_STORAGE_OPTIONS="–selin......
2021-11-11 15:33:54
1376
原创 数值小写转化为大写
public String numToCn(String money) { int dotPoint = money.indexOf("."); //判断是否为小数 String moneyStr; if(dotPoint != -1){ moneyStr = money.substring(0,money.indexOf(".")); } else{ moneyStr = money; ...
2021-11-11 09:56:58
187
2
原创 Failed to download metadata for repo ‘base‘: Cannot download repomd.xml: Cannot download repodata/re
这里提示错误不是替换源链接地址而是本地挂载源的问题，解决很简单，移动或者移除CentOS-...问题文件,再执行yum命令进行操作即可。
2021-11-10 14:06:37
9608
2
原创 json解析转实体
1.JSONArray对JSON字符串解析 JSONArray jsons = JSONArray.fromObject(str); for(Object o : jsons){ JSONObject jsonob = JSONObject.fromObject(o); T t = (T) JSONObject.toBean(jsonob, T.class); } 2.双重解析 2.1使用JSON JSONArray list= null; try{ list......
2021-09-13 10:37:46
576
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