The string "PAYPALISHIRING" is written in a zigzag pattern on a given
number of rows like this: (you may want to display this pattern in a fixed font for better legibility)
P A H N
A P L S I...
分类:
其他好文 时间:
2014-07-08 17:42:31
阅读次数:
192
Cake
Time Limit: 1 Second
Memory Limit: 32768 KB
You want to hold a party. Here's a polygon-shaped cake on the table. You'd like to cut the cake into several triangle-shaped parts for th...
分类:
其他好文 时间:
2014-07-08 15:36:15
阅读次数:
298
UITextView in iOS7 has been really weird. As you type and are entering the last line of your UITextView, the scroll view doesn't scroll to the bottom like it should and it causes the text to be "clipp...
分类:
移动开发 时间:
2014-07-08 11:14:15
阅读次数:
225
Handle onClick for our custom LinearLayout for Gallery-like HorizontalScrollViewThe post "Implement Gallery-like HorizontalScrollView" and "Implement ...
分类:
其他好文 时间:
2014-07-07 12:30:02
阅读次数:
282
// By using the ColorTranslator you can easily convert color values// definied in the hexadecimal format (like it is used in HTML)Color Color1 = Syste...
分类:
Web程序 时间:
2014-07-07 09:03:31
阅读次数:
217
Looks like your app is ONLY available in Thailand storefront - so the lookup should include country code in the base lookup URL:http://itunes.apple.co...
分类:
移动开发 时间:
2014-07-06 15:28:03
阅读次数:
547
MySQL 通配符SQL的模式匹配同意你使用“_”匹配不论什么单个字符,而“%”匹配随意数目字符(包含零个字符)。在 MySQL中,SQL的模式缺省是忽略大写和小写的。以下显示一些样例。注意在你使用SQL模式时,你不能使用=或!=;而使用LIKE或NOT LIKE比較操作符。为了找出以“b”开头的名...
分类:
数据库 时间:
2014-07-05 21:49:29
阅读次数:
264
开启profile优化SQL语句:set profiling=1;执行SQL语句show profiles;show profile for query 2;//根据query_id 查看某个查询的详细时间耗费SHOW STATUS LIKE 'last_query_cost';//查询上一条语句执...
分类:
数据库 时间:
2014-07-05 21:14:47
阅读次数:
321
??
posix thread是操作系统级(OS level)的API规范,主要用来定义线程及线程间同步的相关操作,采用C语言定义。posix规范主要在unix like类系统上实现;Windows类系统采用了自己的线程API。目前很多语言都在其标准库中提供了语言级的线程支持:如Java中的Thread,concurrenty包;python中的threading
model;C++11标准...
分类:
其他好文 时间:
2014-07-04 08:18:03
阅读次数:
271
MySql的like语句中的通配符:百分号、下划线和escape
%代表任意多个字符
Sql代码 http://blog.csdn.net/yc7369/
select * from user where username like '%huxiao';
select * from user where username like 'huxiao%';
select * ...
分类:
数据库 时间:
2014-07-03 16:12:41
阅读次数:
231