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Hibernate-主键生成方式
Hibernate配置文件hbm主键的generator可选项[日期:2014-02-18]来源:Linux社区作者:homechao[字体:大中小]1、自动增长identity适用于MySQL、DB2、MSSQLServer,采用数据库生成的主键,用于为long、short、int类型生成唯一标识使用SQLServer和MySQL的自增字段,这个方法不能..
分类:系统相关   时间:2014-07-23 00:19:08    阅读次数:460
Sqlite3没有truncate如何完全清空表,让序列号归0
删除记录,重置序列号计数器delete from 表名;select * from sqlite_sequence; 找到上面的 表名update sqlite_sequence set seq=0 where name='表名';
分类:数据库   时间:2014-07-22 23:23:38    阅读次数:297
Oracle 序列的应用
Oracle创建序列,删除序列,得到序列序列的创建create sequence seq_newsId increment by 1 start with 1 maxvalue 999999999;得到序列的SQL语句select seq_newsid.nextval from sys.dual;删...
分类:数据库   时间:2014-07-22 22:44:32    阅读次数:272
【leetcode刷题笔记】Count and Say
The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ...1is read off as"one 1"or11.11is read off as"tw...
分类:其他好文   时间:2014-07-22 22:43:14    阅读次数:198
pysam 模块
pysam is a python module that makes it easy to read and manipulate mapped short read sequence data stored in SAM/BAM files.要读bam文件, 首先实例化一个Samfile对象im...
分类:其他好文   时间:2014-07-22 22:43:12    阅读次数:1418
poj 1094
Sorting It All Out Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 26911   Accepted: 9285 Description An ascending sorted sequence of distinct values is one ...
分类:其他好文   时间:2014-07-22 22:38:36    阅读次数:166
LeetCode Best Time to Buy and Sell Stock III
class Solution {public: int maxProfit(vector &prices) { int len = prices.size(); if (len i2r(len, 0); vector i2l(len, 0); ...
分类:其他好文   时间:2014-07-22 22:34:54    阅读次数:154
HDU 1711 Number Sequence(字符串匹配)
Number Sequence Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 10571    Accepted Submission(s): 4814 Problem Description Given two ...
分类:其他好文   时间:2014-07-22 22:34:32    阅读次数:194
poj 2081 Recaman's Sequence
开始还以为暴力做不出来,需要找规律,找了半天找不出来,原来直接暴力。。 代码如下: #include int a[1000050]; int b[100000000]={0}; int main() { int i,k; a[0]=0; for(i=1;i0...
分类:其他好文   时间:2014-07-22 17:46:51    阅读次数:160
UVa 10534 Wavio Sequence (最长递增子序列 DP 二分)
Wavio Sequence  Wavio is a sequence of integers. It has some interesting properties. ·  Wavio is of odd length i.e. L = 2*n + 1. ·  The first (n+1) integers of Wavio sequence makes a strictly i...
分类:其他好文   时间:2014-07-22 14:36:14    阅读次数:248
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