问题1：异常：in expected: (possibly an invalid or unmapped class name was used in the query) [from Customer]解决方案：查看HQL语句查询的是否是实体类，映射文件属性是否正确：复制到输出目录à始终复制 。....
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系统相关 时间：
2014-06-27 20:57:29
阅读次数：
606
题目：Tuhao and his two small partners participated in the tournament.But in the end, they lost the chance to finish a mathematical problem.After the com...
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其他好文 时间：
2014-06-25 18:07:35
阅读次数：
333
I experienced this error while trying to alter one of my stored procedures remotely on a master server. After some research, I ended up getting inform...
分类：
数据库 时间：
2014-06-25 15:34:33
阅读次数：
471
Well , you know. As a college student who want to find a good job after graduating like me , scores are not that important. I just want to have some low scores which can help me graduate successfully...
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其他好文 时间：
2014-06-25 09:59:37
阅读次数：
202
/**
* Method 1: Delete the input element x
* and meanwhile keep the length of array after deleted n
* @param a the array
* @param n the length of array after deleted.
* @param x the element t...
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其他好文 时间：
2014-06-25 08:27:27
阅读次数：
171
【题目】
Given a 2D board containing 'X' and 'O', capture all regions surrounded by 'X'.
A region is captured by flipping all 'O's into 'X's in that surrounded region.
For example,
X X X X
X O O X
X X O X
X O X X
After running your function, the board shou...
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其他好文 时间：
2014-06-25 08:02:30
阅读次数：
205
我们在开发注册界面的时候,最后几个注册条件常常容易被系统弹出的键盘遮挡,如下图:
可以看见,邮箱条件被遮挡掉了,怎么解决呢?我是通过UITextField的代理加计算偏移量:
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, ty...
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移动开发 时间：
2014-06-25 07:28:37
阅读次数：
232
If you feel like crying you shouldn’t hold back your tears. You should let it all out while you still can, because when you get bigger sometimes you ....
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其他好文 时间：
2014-06-24 14:53:38
阅读次数：
255
Erlang消息接收函数，一般都会设计成尾递归调用自己的模式。但是这样的模式，如果没有消息则会无限的等待下去，所以为了不无限等待，这里可以加个超时设定，例如：flush() -> receive _ -> flush() after 1000 -> ok ...
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其他好文 时间：
2014-06-24 11:02:14
阅读次数：
213
今天做一个Android的刮刮乐项目，里面用到很多的地方用到了getResources。
// 获得图片
//参数1：res是资源的引用，参数2：id是图片的id
after = BitmapFactory.decodeResource(getResources(), R.drawable.b);
before = BitmapFactory.decodeResource(get...
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移动开发 时间：
2014-06-22 22:15:06
阅读次数：
278
