详细代码请参见 https://github.com/lujinhong/dao 一.前期准备 1.创建数据库 create database filter_conf; 2.创建表并插入数据 create table T_CATEGORY(cid Int, title varchar(256), sequnce int, deleted int); insert into T_CATEGORY values(1,lujinhong,1,1); 3.准备pom.xml 我习惯使用maven作包管理…

一.向Solr提交索引的方式 1.使用post.jar进行索引 (1)创建文档xml文件 <add> <doc> <field name="id">test4</field> <field name="title">testagain</field> <field name="url">http://www.163.com</field> </d…

Find The Multiple Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 21851 Accepted: 8984 Special Judge Description Given a positive integer n, write a program to find out a nonzero multiple m of n whose decimal representation contains only t…

DZY Loves Chessboard time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves chessboard, and he enjoys playing with it. He has a chessboard of n rows and m columns. Some cells of the ches…

Play on Words Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 10620 Accepted: 3602 Description Some of the secret doors contain a very interesting word puzzle. The team of archaeologists has to solve it to open that doors. Because there is…

Ultra-QuickSort Time Limit: 7000MS   Memory Limit: 65536K Total Submissions: 48111   Accepted: 17549 Description In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swappin…

Drainage Ditches Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 62016 Accepted: 23808 Description Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by wate…

#include <iostream> #include <algorithm> #include <cstdio> #include <cstring> #include <cmath> #include <map> #include <vector> using namespace std; long long num[1000005]; long long fz[1000005]; long long xds[100…

#include <cstdio> #include <iostream> #include <cstring> #include<queue> #include<cmath> using namespace std; const int INF = 0x3fffffff; int g[1005][1005]; int pre[1005]; int m; int bfs(int s,int t) { queue<int>q; q.pu…

说明: (1)日期以年月形式显示:convert(varchar(7),字段名,120) , (2)加一列 (3)自编号: row_number() over(order by 字段名 desc) as RowID row_number() over(partition by 字段1 order by 字段2) as RowID (4)自编号的限制(不可直接在WHERE条件中加) 举例说明: 想要达到的效果:按月统计各工种的前5名(以件数为依据) 初始SQL语句: select sum(Sum_…