Situation one: you are trying to compile a package from source and you discover that somebody has already done the work for you of modifying it slight...
分类：
其他好文 时间：
2014-07-24 12:15:45
阅读次数：
323
Problem Description
Paper quality and quantity have long been used to measure a research's scientific productivity and scientific impact. Citation, which is the total times a paper has been cited, is...
分类：
其他好文 时间：
2014-07-24 11:36:52
阅读次数：
260
JDBC:（Java Data Base Connectivity）java数据库连接
java.sql包提供JDBC API,可通过它编写访问数据库的程序代码.其中常用的接口和类包括下面内容:
DriverManager:驱动程序管理器,负责创建数据库连接Connection:代表数据库连接Statement:负责执行SQL语句PreparedStatement:负责执行SQL语句,...
分类：
系统相关 时间：
2014-07-24 11:30:05
阅读次数：
359
Problem Description
A little girl loves programming competition very much. Recently, she has found a new kind of programming competition named "TopTopTopCoder". Every user who has registered in "To...
分类：
其他好文 时间：
2014-07-24 10:27:14
阅读次数：
301
本文翻译自JavaScript’s two zerosJavaScript has two zeros: ?0 and +0. This post explains why that is and where it matters in practice.JavaScript 中有两个“0”： -0...
分类：
编程语言 时间：
2014-07-24 10:18:03
阅读次数：
454
1.ARC 当你自己调用了release或retain语句的时候，ARC有效时编译文件会遇到错误，你可以通过-fno-objc-arc和-fobjc-arc两个编译器标志在混搭中支持ARC和非ARC的代码 如下面编译支持ARC，而文件代码不支持ARC # if !__has_feature(objc...
分类：
移动开发 时间：
2014-07-24 10:17:03
阅读次数：
170
一 Words1 gobble up 吞并 e.g. Banc One of Ochio has built an empire in the midwest by gobbling up smaller banks.俄亥俄州第一银行通过兼并一些小银行成为中西部地区的巨头2 gobble up耗费 ...
分类：
其他好文 时间：
2014-07-24 10:02:04
阅读次数：
191
最近发现系统中出现了很多 IOException: Connection reset by peer 与 ClosedChannelException: null深入看了看代码, 做了些测试, 发现 Connection reset 会在客户端不知道 channel 被关闭的情况下, 触发了 eve...
分类：
编程语言 时间：
2014-07-24 00:51:37
阅读次数：
390
E. Jzzhu and Apples
time limit per test
1 second
memory limit per test
256 megabytes
input
standard input
output
standard output
Jzzhu has picked n apples from his big a...
分类：
移动开发 时间：
2014-07-23 22:37:47
阅读次数：
387
Administration of the labyrinth has decided to start a new season with new wallpapers. For this purpose they need a program to calculate the surface area of the walls inside the labyrinth. This job
...
分类：
其他好文 时间：
2014-07-23 22:32:07
阅读次数：
292
