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Set up the security access with GM TECH2 procedure
Note: detailed procedure with full pictures is at the last paragraph. Where to buy GM TECH2? The knock off GM tech2 can cost $340 to $290, usually, th...
分类:数据库   时间:2015-07-17 20:27:00    阅读次数:122
SQL查询语言练习
USE master GO IF EXISTS (SELECT * FROM sysdatabases WHERE name='MyStudentInfoManage')DROP DATABASE MyStudentInfoManage --删除数据库GO CREATE DATAB...
分类:数据库   时间:2015-07-17 20:13:29    阅读次数:125
(简单) POJ 2352 Stars,Treap。
DescriptionAstronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level...
分类:其他好文   时间:2015-07-17 17:34:22    阅读次数:144
Project Euler:Problem 71 Ordered fractions
Consider the fraction, n/d, where n and d are positive integers. If nd and HCF(n,d)=1, it is called a reduced proper fraction. If we list the set of reduced proper fractions for d ≤ 8 in ascending or...
分类:其他好文   时间:2015-07-17 16:26:05    阅读次数:130
Project Euler:Problem 72 Counting fractions
Consider the fraction, n/d, where n and d are positive integers. If nd and HCF(n,d)=1, it is called a reduced proper fraction. If we list the set of reduced proper fractions for d ≤ 8 in ascending or...
分类:其他好文   时间:2015-07-17 16:24:15    阅读次数:121
Mysql多表关联删除操作
直接看Sql即可:delete tableA a from tableA a left join tableB b on a.netbar_id = b.netbar_id where b.role_id = 0;
分类:数据库   时间:2015-07-17 15:55:45    阅读次数:157
QSqlQuery::value: not positioned on a valid record
在使用QSqlQuery查询数据并用query的结果value出现QSqlQuery::value: not positioned on a valid record错误query.prepare("select id,name from employee where name like :inpu...
分类:数据库   时间:2015-07-17 15:30:09    阅读次数:250
[LeetCode]Product of Array Except Self,解题报告
题目Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the product of all the elements of nums except nums[i].Solve it without division and in O(n).For...
分类:其他好文   时间:2015-07-17 12:12:23    阅读次数:75
Classifying plankton with deep neural networks
Classifying plankton with deep neural networksTheNational Data Science Bowl, a data science competition where the goal was to classify images of plank...
分类:Web程序   时间:2015-07-17 11:49:50    阅读次数:293
利用ROW_NUMBER中的partition by 删除重复Key的数据
With temp As( Select ROW_NUMBER() over(partition by LogisticsPlan order by createon) rowID,ID from LogisticsPlan Where LogisticsPlan IN( 'AGD...
分类:其他好文   时间:2015-07-17 11:46:56    阅读次数:116
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