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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
coroutine in lua
今天试着在项目的lua5.1里用coroutine, 想“优雅的”解决对话框弹出的问题, 让它有返回值。 但遇到lua: attempt to yield across metamethod/C-call boundary。 在网上查了查,没弄好,就不弄了。(对工作没热情的后果就是这样,我要是爱它....
分类:其他好文   时间:2015-10-07 14:37:23    阅读次数:194
ORA-12638: 无法检索身份证明 解决的方法
the NTS option makes the Oracle client attempt to use your current Windows domain credentials to authenticate you with the Oracle server. This could f...
分类:其他好文   时间:2015-10-01 11:33:29    阅读次数:235
OCP-V13-003
QUESTION 3 Your database is in ARCHIVELOG mode. You have two online redo log groups, each of which contains one redo member. When you attempt to start the database, you receive the following errors:...
分类:其他好文   时间:2015-09-27 21:36:19    阅读次数:213
Caused by: org.hibernate.InvalidMappingException: Unable to read XML
1、错误描述2015-09-20 23:37:41 [main] WARN org.springframework.context.support.GenericApplicationContext - Exception encountered during context initialization - cancelling refresh attempt org.springframew...
分类:移动开发   时间:2015-09-21 07:03:44    阅读次数:326
Caused by: org.hibernate.DuplicateMappingException: Duplicate class/entity mapping com.you.flex.mode
1、错误描述2015-09-21 00:02:09 [main] WARN org.springframework.context.support.GenericApplicationContext - Exception encountered during context initialization - cancelling refresh attempt org.springframew...
分类:移动开发   时间:2015-09-21 01:40:43    阅读次数:441
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