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MySQL 1054错误 Unknown column .... in 'on clause'
ERROR 1054 (42S22): Unknown column ... in 'on clause'原因:MySQL5.0 Bug,要把联合的表用括号包含起来才行:例:Sql代码SELECT(c.id,a.id,b.id)FROMAa,BbLEFTJOINCcONc.a_id=a.a_idAN...
分类:数据库   时间:2015-04-27 21:40:55    阅读次数:918
[leetcode 33]Search in Rotated Sorted Array
1 题目Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).You are given a target val...
分类:其他好文   时间:2015-04-27 18:18:50    阅读次数:92
leetcode 6. 在有序数组旋转后搜索 Search in Rotated Sorted Array
Search in Rotated Sorted Array 难度:HardSuppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2).You are given a target value to search...
分类:编程语言   时间:2015-04-27 16:57:54    阅读次数:251
Error Code: 1054. Unknown column 'age' in 'user'
1、错误描述 10:28:20 alter table user modify age int(3) after sex Error Code: 1054. Unknown column 'age' in 'user' 0.000 sec 2、错误原因      原本在user表中有age字段,但是在测试阶段删除了,后期将age位置修改,所以报错 3、解决办法      首先,...
分类:其他好文   时间:2015-04-26 10:54:02    阅读次数:476
resin 集成到Myeclipse 问题
出现 这个错误: com.caucho.config.ConfigException: -server 'default' is an unknown server in the configuration file. at com.caucho.server.resin.Resin.initTopology(Resin.java:1070) at com.caucho.server.r...
分类:系统相关   时间:2015-04-25 18:25:46    阅读次数:255
leetcode problem 33 -- Search in Rotated Sorted Array
Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2).You are given a target valu...
分类:其他好文   时间:2015-04-24 15:42:26    阅读次数:154
POJ 1611 The Suspects:并查集
DescriptionSevere acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. ...
分类:其他好文   时间:2015-04-23 19:36:42    阅读次数:124
[virsh] error: unknown OS type hvm解决办法
今天在linux服务器上编译安装升级了下qemu,升级命令如下:root@ubuntu:/opt/qemu-2.0.0# ./configure --prefix=/usr/local/ --target-list=x86_64-softmmuroot@ubuntu:/opt/qemu-2.0.0....
分类:其他好文   时间:2015-04-22 20:25:31    阅读次数:434
LeetCode (21) Find Minimum in Rotated Sorted Array (with/without duplicates)
题目描述Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2).Find the minimum element.这里需要理解一个概念什么为Rotated Sorted Array。根据题目描述,Rotated...
分类:其他好文   时间:2015-04-22 18:23:25    阅读次数:125
Find Minimum in Rotated Sorted Array——LeetCode
Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).Find the minimum element.You m...
分类:其他好文   时间:2015-04-22 13:30:51    阅读次数:96
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