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Poj 2826 An Easy Problem!
Description Have you heard the fact "The base of every normal number system is 10" ? Of course, I am not talking about number systems like Stern Brockot Number System. This problem has nothing to do...
分类:其他好文   时间:2015-08-15 15:00:32    阅读次数:281
POJ 2826 An Easy Problem!(简单数论)
Description Have you heard the fact “The base of every normal number system is 10” ? Of course, I am not talking about number systems like Stern Brockot Number System. This problem has nothing to do w...
分类:其他好文   时间:2015-08-15 11:57:34    阅读次数:143
【UVa 400】Unix ls
Unix lsThe computer company you work for is introducing a brand new computer line and is developing a new Unix-like operating system to be introduced ...
分类:其他好文   时间:2015-08-14 23:58:22    阅读次数:145
poj3666(Making the Grade)
Description A straight dirt road connects two fields on FJ's farm, but it changes elevation more than FJ would like. His cows do not mind climbing up or down a single slope, but they are not fond...
分类:其他好文   时间:2015-08-14 22:52:48    阅读次数:336
dynamically creating a set of SQLAlchemy table
if you want to create multiple table objects, you could create a function to generate and return a new class. Maybe something like this: Base = declarative_base() def TableCreator(tablename): ...
分类:数据库   时间:2015-08-14 19:46:44    阅读次数:218
PostgreSQL正则表达式查询
参考http://www.php100.com/manual/PostgreSQL8/functions-matching.htmlLIKEstring LIKE pattern [ ESCAPE escape-character ]string NOT LIKE pattern [ ESCAPE ...
分类:数据库   时间:2015-08-14 18:35:19    阅读次数:1077
Python——文件与文件系统
一、 file对象与open()函数 三个参数的介绍 二进制与文本文件 缓冲 文件的有序和无序访问二、file对象的属性、方法 file对象是可以迭代的 file-like对象三、文件系统操作四、fd操作一、file对象与open()函数 file对象是Python内置的数据类型,通过...
分类:编程语言   时间:2015-08-14 17:03:29    阅读次数:284
browse user anget
ubuntu x64 ?chrome: "Mozilla/5.0?(X11;?Linux?x86_64)?AppleWebKit/537.36?(KHTML,?like?Gecko)?Chrome/43.0.2357.125?Safari/537.36" "C:\Program Files (x86)\Google\Chrome\Application\chrome.e...
分类:其他好文   时间:2015-08-14 15:54:47    阅读次数:117
configure: error: C compiler cannot create executables
最近搞坏了ubuntu,大半夜装好公司的电脑-limint系统,第二天早晨编译 ./configure出错configure: error: C compiler cannot create executables很是无语呀,找了很多解决办法:1,Having a compiler (like gc...
分类:其他好文   时间:2015-08-14 15:08:30    阅读次数:112
sql Server20008总结
1、like------->常用于“数据库的模糊查询” 1)即:查询某个字段中含有哪些的内容的数据库的信息列表(详情) 比如:查询学生表中名字姓是‘韩’的所有学生的信息 select * from student where name like '韩*'或者select * from s...
分类:数据库   时间:2015-08-14 13:12:07    阅读次数:156
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