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Will not attempt to authenticate using SASL (unknown error) hosts 添加映射 xx xx 阅读全文
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https://www.cnblogs.com/coloz/p/10487679.html 阅读全文
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alt+tab+鼠标点击 阅读全文
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@PostMapping("/view")public ApiResponse view(@RequestBody JSONObject json, HttpServletRequest request,HttpServletResponse response) throws Exception { 阅读全文
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/** * 大数据量的情况下使用此方法可减少oom * @param headList 表头 * @param dataList 数据 * @param sheetName 工作薄名称(第一页) */public static SXSSFWorkbook exportSXSSFWb( List<St 阅读全文
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枚举 equals内部就是调用== 枚举toString 返回的是括号外的值 阅读全文
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parseObject 如何属性没有字段匹配,返回 对象,字段值都是空 阅读全文
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mysql nickname varchar(1024) character set uft8mb4 collate uff8mb4_unicode_ci default null comment '用户昵称' java 存数据库之前 URLEncoder.encode(nickname,'utf- 阅读全文
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public class HungrySingleton { private HungrySingleton() { } private static HungrySingleton hungrySingleton = new HungrySingleton(); public static HungrySingleton getInstance(){ ... 阅读全文
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public class ServerSocketTest { public static void main(String[] args) { try { ServerSocket serverSocket = new ServerSocket(9999); ExecutorService executorService... 阅读全文