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原创 FTP读取文件列表卡死问题分析
问题: 项目开发中使用FTP将FTP中的文件上传到AWS,在处理获取文件列表时,发现执行到File[] files = file.listFiles();这段代码时,程序出现卡死阻塞状态。解决方案: File[] files = file.listFiles();在这段代码之前加上ftpClient.enterLocalPassiveMode();这段代码就解决了当时的问题...
2019-08-07 23:58:52
3010
原创 Reverse Integer
题目:Reverse digits of an integer.Example1: x = 123, return 321Example2: x = -123, return -321
2015-06-18 17:36:35
508
原创 ZigZag Conversion
题目:The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility)P A H NA P L S I
2015-06-18 17:32:19
534
原创 String,StringBuffer和StringBuilder的区别
String,StringBuffer和StringBuilder的区别
2015-05-19 15:14:58
419
原创 Longest Substring Without Repeating Characters
Longest Substring Without Repeating Characters
2015-04-20 16:39:14
579
原创 cannot be resolved or is not a field的问题解决
cannot be resolved or is not a field的问题解决
2015-04-15 14:57:35
4054
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