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Which Raymond Mill Maunfacturers are A lot more Qualified?
Nowdays, there are lots of varieties of raymond mill companies in market place. So to customers, it is a significant headache to pickraymond mill,raym...
分类:其他好文   时间:2014-08-18 12:13:44    阅读次数:229
HDU 4883 TIANKENG’s restaurant (区间更新)
Problem Description TIANKENG manages a restaurant after graduating from ZCMU, and tens of thousands of customers come to have meal because of its delicious dishes. Today n groups of customers come to...
分类:其他好文   时间:2014-08-11 00:24:41    阅读次数:248
Mysql,SqlServer,Oracle主键自动增长的设置
1、把主键定义为自动增长标识符类型 MySql 在mysql中,如果把表的主键设为auto_increment类型,数据库就会自动为主键赋值。例如: ??customers(id??auto_increment????,?name?(??customers(name)??...
分类:数据库   时间:2014-07-29 18:28:14    阅读次数:236
MySQL 插入数据
插入数据使用 INSERT 插入完整的行插入行的一部分插入多行插入某些查询的结果 插入完整的行 先看一下原有的customer列表: 插入一行: INSERT INTO customers VALUES(NULL,  'Pep E. LaPew', '100 Main Street', 'Los Angeles', 'CA', '90046', 'U...
分类:数据库   时间:2014-07-29 14:24:24    阅读次数:241
HDU 4883 TIANKENG’s restaurant
Problem Description TIANKENG manages a restaurant after graduating from ZCMU, and tens of thousands of customers come to have meal because of its delicious dishes. Today n groups of customers come to...
分类:其他好文   时间:2014-07-28 16:03:23    阅读次数:250
(WPF) MVVM: DataGrid Binding
Binding到DataGrid的时候,需要用到ObservableCollection. public ObservableCollection Customers { get { return ...
分类:其他好文   时间:2014-07-27 23:01:19    阅读次数:222
高效SQL语句(SQL Server)
以下的SQL语句以Northwind为例1、不要再where子句中"="的左侧使用函数和表达式,因为系统无法应用函数或表达式中的索引SELECT * FROM Customers WHERE Cast(CustomerID AS VARCHAR(20))='1' --Clustered Index ...
分类:数据库   时间:2014-07-18 23:37:10    阅读次数:376
mysql把主键定义为自动增长标识符类型
分享下mysql中如何把主键定义为自动增长标识符类型。1、把主键定义为自动增长标识符类型在mysql中,如果把表的主键设为auto_increment类型,数据库就会自动为主键赋值。例如:create table customers(id int auto_increment primary key...
分类:数据库   时间:2014-07-18 21:20:02    阅读次数:244
UVA 10026 Shoemaker's Problem
Shoemaker's Problem Shoemaker has N jobs (orders from customers) which he must make. Shoemaker can work on only one job in each day. For each ith job, it is known the integer Ti (1i<=1000...
分类:其他好文   时间:2014-07-16 17:12:33    阅读次数:274
FZU - 2039 Pets (二分图匹配 2011年全国大学生程序设计邀请赛(福州))
Description Are you interested in pets? There is a very famous pets shop in the center of the ACM city. There are totally m pets in the shop, numbered from 1 to m. One day, there are n customers in...
分类:其他好文   时间:2014-07-16 09:17:29    阅读次数:325
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