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SqlServer禁用启用触发器、外键约束
--启用or禁用指定表所有外键约束 alter table tbname NOCHECK constraint all alter table tbname CHECK constraint all--查看约束select name , is_disabled from sys.foreign...
分类:数据库   时间:2015-04-22 13:20:07    阅读次数:145
完整性约束——Oracle 11g R2 64 Bit
问题:对编码进行约束 分类:用户定义完整性 举例:员工号是四位数字串,其中第一位和最后一位是取1-9之间的数字,其他是0-9。 代码: ALTER TABLE 员工表 ADD CONSTRAINT ygno_yscheck(regexp_like(员工号,'^[1-9][0-9][0-9][1-9]...
分类:数据库   时间:2015-04-22 00:30:53    阅读次数:136
SDOI2015 约数个数和
DescriptionInput输入文件包含多组测试数据。第一行,一个整数T,表示测试数据的组数。接下来的T行,每行两个整数N、M。OutputT行,每行一个整数,表示你所求的答案。Sample Input27456Sample Output110121Data Constraint解法:莫比乌斯反...
分类:其他好文   时间:2015-04-22 00:05:20    阅读次数:154
在代码里更新autolayout布局
1 //遍历view约束(高,宽) 2 NSArray* constrains = self.View.constraints; 3 for (NSLayoutConstraint* constraint in constra...
分类:其他好文   时间:2015-04-21 17:54:20    阅读次数:130
Leetcode14: House Robber
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each of them is that adjacent house...
分类:其他好文   时间:2015-04-21 16:17:04    阅读次数:122
LeetCode198——House Robber
这题告诉我们,要成为一个优秀的小偷,得懂编程才行。哈哈 You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each...
分类:其他好文   时间:2015-04-21 00:28:04    阅读次数:154
Leetcode: House Robber
题目: You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each of them is that adjacent h...
分类:其他好文   时间:2015-04-20 18:28:00    阅读次数:127
设定范围和步长的递增数验证器Validator
1、接口注释@Target({METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER})@Retention(RUNTIME)@Documented@Constraint(validatedBy = {IncrementalValidator.c...
分类:其他好文   时间:2015-04-20 16:41:17    阅读次数:97
大陆居民身份证验证方法(java)
1、设置接口@Constraint(validatedBy = ChineseIdNumberValidator.class)@Target({ElementType.METHOD, ElementType.FIELD, ElementType.PARAMETER})...
分类:编程语言   时间:2015-04-20 16:19:46    阅读次数:215
LeetCode House Robber
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each of them is that adjacent house...
分类:其他好文   时间:2015-04-20 13:13:33    阅读次数:122
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