本文代码最终实现界面为两种方法可以实现divider的上下拖动:1.调用NSSplitViewDelegate/* Given a proposed position for one of the dividers of a split view, return a position at whic...
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其他好文 时间:
2015-10-27 09:55:30
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204
What's 1+N problem?When you are querying for one table, it auto calls sql command for each relational database if the fetch type is eager.In such case...
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Web程序 时间:
2015-10-27 08:14:40
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233
1289. One Way TicketTime limit: 1.0 secondMemory limit: 64 MBA crowed of volunteers dressed in the star striped overalls have filled the starport. The...
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其他好文 时间:
2015-10-26 22:18:07
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271
开发WiFi程序,可以使用vc++,也可以使用Android语言开发。 这里以Android开发环境为例; one,WIFI网卡的状态 WIFI网卡的状态信息都以整型变量的形式存放在 android.net.wifi.WifiManager 类中,有以下状态: ...
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其他好文 时间:
2015-10-26 20:56:39
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304
@autoreleasepool 自动释放池类的三大特性:封装:隐藏内部实现,稳定外部接口继承:子类复用父类的成员变量、属性以及方法(方法可做不同实现)多态:子类对象指向父类空间OC类组成分为.h文件和.m文件.h做全局变量、属性、函数的声明@interface表示类的接口部分.m做函数的实现@im...
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其他好文 时间:
2015-10-26 20:28:09
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140
B. RebrandingThe name of one small but proud corporation consists ofnlowercase English letters. The Corporation has decided to try rebranding— an acti...
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其他好文 时间:
2015-10-26 18:46:13
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286
The name that the POSIX library uses for a lock is a mutex, as it is used to provide mutualexclusion between threads, i.e., if one thread is in the cr...
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其他好文 时间:
2015-10-26 13:30:42
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244
js中的delete 跟 c,c++中的delete意思不一样, js中的delete只是删除对象的属性,但是该属性所指向的对象并不会被删除掉var person = {};var body = {"head":"one big head", hand = "two"};person.body = ...
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编程语言 时间:
2015-10-26 13:30:35
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236
From the introduction to concurrency, we saw one of the fundamental problems in concurrentprogramming: we would like to execute a series of instructio...
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其他好文 时间:
2015-10-26 13:27:42
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170