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Xamarin adventures – Differences between iOS simulator and device
I had been happily coding an iOS app (targeting iPad) using Xamarin/VS.Netwith everything working fine when debugging in the iOS simulator, however as...
分类:移动开发   时间:2015-08-06 11:04:19    阅读次数:129
设计模式
观察者模式的Java实现The Observer Pattern defines a one-to-manydependency between objects so that when oneobject changes state, all of its dependents arenotifi...
分类:其他好文   时间:2015-08-06 10:41:18    阅读次数:136
The differences between Class Extension and Header File 类扩展与头文件的区别
.As the name suggests, they extend the class. A class continuation is another name. The class extension is commonly used to declare private methods an...
分类:其他好文   时间:2015-08-05 18:06:08    阅读次数:97
There is a version mismatch between the spring client and the server
$ RAILS_ENV=production bundle exec rails cThere is a version mismatch between the spring client and the server.You should restart the server and make ...
分类:编程语言   时间:2015-08-05 17:46:07    阅读次数:136
Adapter
Adapter官方文档是这样介绍adapter的: An Adapter object acts as a bridge between an AdapterView and the underlying data for that view. The Adapter provides access to the data items. The Adapter is also responsib...
分类:其他好文   时间:2015-08-04 02:07:10    阅读次数:275
HDU 2874 Connections between cities(LCA离线)
?? 题意:一个森林,询问两个节点距离,若无法到达,输出Not connected。 思路:还是求LCA的思想,只需再对每个询问的两个节点判断是否在一棵树内即可。 有一个问题是这道题的query很大,达到了1000000,所以离线算法空间上比较虚, 然而只会离线的.....于是把int改成short int险过.... #include #include #include ...
分类:其他好文   时间:2015-08-03 19:21:18    阅读次数:163
(转)prism的MEF UNITY容器区别
http://akashkava.com/blog/391/mef-vs-unity-in-composite-application-prism/This article describes differences between MEF and Unity which may help you ...
分类:编程语言   时间:2015-08-03 16:14:55    阅读次数:387
Program A - 暴力求解
DescriptionWrite a program that finds and displays all pairs of 5-digit numbers that between them use the digits 0 through 9 once each, such that the ...
分类:其他好文   时间:2015-08-02 21:20:10    阅读次数:235
按工资降序排列,若工资相同,则按照雇佣日期尚需排列,获取6~10 条记录
select a.* from (select t.*, rownum rn from (select * from emp order by sal desc, hiredate asc) t) a where a.rn between 6 and 10;...
分类:其他好文   时间:2015-08-02 20:08:32    阅读次数:207
rownum浅析
ROWNUM是一个序列,是oracle数据库从数据文件或缓冲区中读取数据的顺序。它取得第一条记录则rownum值为1,第二条为2,依次类推。如果你用>、>=、=、between...and这些条件,因为从缓冲区或数据文件中得到的第一条记录的rownum为1,则被删除,接着取下条,可是它的rownum还是1,又被删除,依次类推,便没有了数据。...
分类:其他好文   时间:2015-08-02 20:06:42    阅读次数:137
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