Warning:
Attempt
to present UIImagePickerController:
0x7c0ae400>
on CAGUCreateContactViewController:
0x7bf61a00>
which is
already presenting (null)
解决办法
if([[[UIDevice currentDevice...
分类：
移动开发 时间：
2014-12-18 18:52:51
阅读次数：
209
Description
John has n tasks to do. Unfortunately, the tasks are not independent and the execution of one task is only possible if other tasks have already been executed.
Input
The input wi...
分类：
其他好文 时间：
2014-12-17 21:00:12
阅读次数：
202
Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /.../vhindex.php:1) in /......
分类：
其他好文 时间：
2014-12-16 18:59:41
阅读次数：
147
On a recent assignment, I needed to install npm behind a corporate proxy. I had already set the environment variables HTTP_PROXY and HTTPS_PROXY. Other command line utilities, like ruby gems, recog...
分类：
其他好文 时间：
2014-12-16 13:40:44
阅读次数：
169
1、选择 Help Install New Software；2、在Details 面板中, 点击What is already installed? 链接；3、在Eclipse Installation Details 对话框中，选择Android DDMS和Android Developmen....
分类：
系统相关 时间：
2014-12-15 21:42:52
阅读次数：
173
[转]eclipse android : A project with that name already exists in the workspace - freeliver54 - 博客园I'm new to Eclipse/Java/AndroidI have already created...
分类：
移动开发 时间：
2014-12-15 15:07:49
阅读次数：
255
造成这个问题的原因很多,我遇到的主要是因为这里的parameterType="java.lang.Integer"resultType="java.lang.Integer">被我写错了,因为是copy过来的,忘记了改变参数为parameterType="map"resultMap="BaseRes...
分类：
移动开发 时间：
2014-12-15 08:53:06
阅读次数：
183
命名的系统异常产生原因ACCESS_INTO_NULL未定义对象CASE_NOT_FOUNDCASE中若未包含相应的WHEN，并且没有设置ELSE时COLLECTION_IS_NULL集合元素未初始化CURSER_ALREADY_OPEN游标已经打开DUP_VAL_ON_INDEX唯一索引对应的列上...
分类：
数据库 时间：
2014-12-14 17:11:45
阅读次数：
235
For "Object already exists" or "Access denied" errors when installing try opening Control Panel > Programs and Features > View installed updates then ...
