Java的泛型是什么呢, 就是类型的参数化,也就是原本该是确定类型的地方换成了变量,把类型的确定时间向后延迟了。
在之前,学过“重载”的概念,重载是什么呢,举例来说
public class Test{
// 处理整型数据
void receive(int i) {
System.out.println("Received one int data");
System.ou...
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编程语言 时间:
2014-07-22 23:04:34
阅读次数:
324
ACM 二分搜索 Can you solve this equation? hdu2199 精度判定...
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其他好文 时间:
2014-05-01 17:58:48
阅读次数:
337
Merge k Sorted Lists
Total Accepted: 9746 Total
Submissions: 41674My Submissions
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity....
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其他好文 时间:
2014-05-01 17:11:32
阅读次数:
234
Background:
It's fairly common for businesses to want to provide some high availability for their SQL Server databases, and one option is to have two SQL Server databases on separate machines with a SQL Server database mirrored....
分类:
数据库 时间:
2014-04-30 22:11:38
阅读次数:
520
1D people lived in a 1D country. Everything in the country was one-dimensional, and everything was simple and clear: just one axis and two directions — forward and backward. Even a 1D world has proble...
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其他好文 时间:
2014-04-29 13:44:22
阅读次数:
284
Problem:
You are trying to setup a mirroring on a Database called xxxDB(SQL server 2012).
You are getting this error while trying to setup mirroring.
“Neither the partner nor the witness server ins...
分类:
数据库 时间:
2014-04-29 13:33:20
阅读次数:
444
1、
??
String to Integer (atoi)
Implement atoi to convert a string to an integer.
Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yours...
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其他好文 时间:
2014-04-29 13:22:22
阅读次数:
341
The blonde Angela has a new whim: internet chats. Of course, as any blonde, she writes her messages using the upper case. You are the moderator of Angela's favorite chat and you're fed up with her upp...
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其他好文 时间:
2014-04-29 13:17:21
阅读次数:
293
1、
??
Reorder List
Given a singly linked list L: L0→L1→…→Ln-1→Ln,
reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→…
You must do this in-place without altering the nodes' values.
For example,
Given {1,2...
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其他好文 时间:
2014-04-29 13:16:21
阅读次数:
250
参考了别人的demo之后发现建立一个管理类看起来舒服些,显得比较有条理……
但在建立与服务器连接当中,发现
Connect Error: {
NSLocalizedDescription = "You must set myJID before calling connect.";
}
这样的一个问题,知道是jid没有设置好,但是jid怎么设置呢?今天仍然没有弄清,如果有清楚...
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其他好文 时间:
2014-04-29 13:13:20
阅读次数:
352