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Warning: Attempt to present on whose view is not in the window hierarchy!
当我想从一个VC跳转到另一个VC的时候,一般会用 - (void)presentViewController:(UIViewController *)viewControllerToPresent animated: (BOOL)flag completion:(void (^)(void))com
分类:Windows程序   时间:2016-01-30 22:45:40    阅读次数:234
Nginx启动报错:
Nginx启动报错:10013: An attempt was made to access a socket in a way forbidden2014-08-07 14:39:10来源:评论:0点击:Nginx在win7,win2008下启动报错:bind() to 0.0.0.0:80 fa...
分类:其他好文   时间:2016-01-24 00:28:15    阅读次数:135
unity3d fatal error attempt to write a readonly database解决方法
删除工程目录中除Assets和ProjectSettings两个文件夹外的所有文件
分类:数据库   时间:2016-01-22 18:25:15    阅读次数:1107
Attempt to refer to a unregistered pool by its alias 'dbpool'
1、错误描述org.hibernate.exception.GenericJDBCException: Could not open connection at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54) at org....
分类:数据库   时间:2016-01-14 01:05:09    阅读次数:281
C#中用到的知识点-小笔记
1.string 格式化输出参考http://www.cnblogs.com/albert-struggle/archive/2012/05/22/2512744.html2.文件读写struct FileFormat{ public string prefix; public stri...
分类:Windows程序   时间:2016-01-05 00:03:44    阅读次数:321
iOS 精益编程
开场今天, 我们将从一个小功能开始, 先去不假思索的实现它有一个产品库, 我们要对它做过滤操作.第一个需求并不复杂.需求1:在仓库中查找所有颜色为红色的产品First Attempt: Hard Code我们先用最简单的方式去实现它, 硬编码- (NSArray *)findAllRedProduc...
分类:移动开发   时间:2015-10-27 14:53:08    阅读次数:226
我的Android进阶之旅------>android中service的onStartCommand()方法中intent为null的问题
今天在维护公司的一个APP的时候,突然爆了空指针异常,Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.content.Intent.getBooleanExtra(java.lang.String, boolean)' on a null object refe...
分类:移动开发   时间:2015-10-26 22:42:27    阅读次数:533
Warning: Attempt to present * on * which is already presenting *
Warning: Attempt to present (要被presented的控制器) on (哪个控制器来presenting) which is already presenting (已经被presenting的控制器)self: 是被presented出来的控制器,self.presen...
分类:其他好文   时间:2015-10-15 15:45:10    阅读次数:245
ubuntu 14.04 安装gvim 后报出warning
(gvim:3572): GLib-GObject-WARNING **: Attempt to add property GnomeProgram::sm-connect after class was initialised(gvim:3572): GLib-GObject-WARNING **...
分类:系统相关   时间:2015-10-14 21:41:07    阅读次数:445
ocp-355
QUESTION NO: 355If a job references a schedule that has been disabled, what will be the result? A. The job will be automatically disabled. B. The job will never execute. C. The job will attempt to...
分类:其他好文   时间:2015-10-13 10:44:13    阅读次数:181
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