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Codeforces#86D Powerful array(分块暴力)
Description An array of positive integers a1,?a2,?...,?an is given. Let us consider its arbitrary subarray al,?al?+?1...,?ar, where 1?≤?l?≤?r?≤?n. For every positive integer s denote by Ks the...
分类:其他好文   时间:2015-07-03 06:57:26    阅读次数:135
Linked List Cycle II
题目来自:https://leetcode.com/problems/linked-list-cycle-ii/Given a linked list, return the node where the cycle begins. If there is no cycle, return null.Follow up: Can you solve it without using extra s...
分类:其他好文   时间:2015-07-03 00:15:03    阅读次数:220
从ACM中删除一个已经创建的Library
从ACM中删除一个已经创建的Library,无法通过界面操作,需要手工从DB中删除。需要删除的表记录有: RECENTUPDATE 找到字段Name等于该libraryName的那条记录删除掉 delete from RECENTUPDATE where NAME=’techair’;CONTAINERTEAM 对应一条记录 delete from CONTAINERTEAM wher...
分类:其他好文   时间:2015-07-02 21:10:34    阅读次数:123
NodeJS利用mongoose模糊查询MongoDB
在Node.js中,直接硬编码可以Posts.where('title',/答案/);但是通过字符串构造不行var qs = '/'+req.query.search+'/';Posts.where('title',qs);通过使用RegExp,来构建正则表达式对象,可以var qs=new Reg...
分类:数据库   时间:2015-07-02 20:54:23    阅读次数:3709
LeetCode79:Word Search
Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, where “adjacent” cells are those horizontally or vertically neig...
分类:其他好文   时间:2015-07-02 17:40:27    阅读次数:95
SQL Script for select data from ebs and make a csv file to FTP
DECLARE CURSOR cur_lcy_test IS SELECT rcta.customer_trx_id, rcta.trx_number, rcta.trx_date FROM ra_customer_trx_all rcta WHERE rcta.customer_trx_id = 11993; -- rec_lcy_test cur_lc...
分类:数据库   时间:2015-07-02 17:37:13    阅读次数:189
添加数据库补丁
--1.添加字典类别 IF NOT EXISTS(SELECT * FROM PUB_DICTIONARYCATEGORY WHERE CATEGORYID='135')INSERT INTO PUB_DICTIONARYCATEGORY(CATEGORYID,CATEGORYCODE,CATEGO...
分类:数据库   时间:2015-07-02 17:17:33    阅读次数:135
七、oracle 表查询二
1、使用逻辑操作符号 问题:查询工资高于500或者是岗位为manager的雇员,同时还要满足他们的姓名首字母为大写的J? select * from emp where (sal > 500 or job = ‘MANAGER‘) and ename like ‘J%‘; ???????...
分类:数据库   时间:2015-07-02 15:57:18    阅读次数:225
在同一个表中将varchar2类型的数据转存到blob类型的字段中
用一条修改语句即可:update t_content set f_body=rawtohex(f_check) where f_type in (0,4)此处须用rawtohex()函数将f_check转成16进制,不然会报ORA-01465: invalid hex number(ORA-0146...
分类:其他好文   时间:2015-07-02 15:37:24    阅读次数:134
Laravel5.1学习笔记16 数据库2 查询构造器
Introduction Retrieving Results Aggregates Selects Joins Unions Where Clauses Advanced Where Clauses Ordering, Grouping, Limit, & Offset ...
分类:数据库   时间:2015-07-02 15:18:13    阅读次数:169
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