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centOS下进入mysql报错-You must SET PASSWORD before executing this statement
解决办法: mysql>  SET PASSWORD = PASSWORD('123456'); Query OK, 0 rows affected (0.03 sec) mysql> create database roger; Query OK, 1 row affected (0.00 sec) 也就是用mysql>  SET PASSWORD = PASSWORD('123456...
分类:数据库   时间:2014-06-05 00:19:53    阅读次数:294
Subsets
Given a set of distinct integers,S, return all possible subsets.Note: Elements in a subset must be in non-descending order. The solution set m...
分类:其他好文   时间:2014-06-04 20:01:32    阅读次数:340
Subsets II
Given a collection of integers that might contain duplicates,S, return all possible subsets.Note: Elements in a subset must be in non-descending o...
分类:其他好文   时间:2014-06-04 18:37:55    阅读次数:322
windbg 经典死锁调试
代码// Deadlock_Debug.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include "windows.h"#include // All the thread must get all of critial_section// Classic ...
分类:数据库   时间:2014-06-03 12:08:01    阅读次数:354
Lucene TFIDF打分公式
还没读TFIDFSimilarity的代码,读了一下lucene的文档,没有特复杂,感觉还是非常严谨的。对于查询q和文档d,如果查询为纯token查询,套用向量空间模型(VSM),相似度度量使用余弦,另外再加一个coord(q,d)即d中满足q中must和should查询条件个数的度量(预计通常是m...
分类:其他好文   时间:2014-05-31 12:26:13    阅读次数:447
删除数据库 - with DROP DATABASE Statement
Oracle 10g 增加了drop database 命令,这样我们删除数据库会方便很多。 不过DROP DATABASE还是有一定的限制条件的:一些错误1.ORA-01586: database must be mounted EXCLUSIVE and not open for this op...
分类:数据库   时间:2014-05-30 19:49:07    阅读次数:421
Linux安装Oracle报Checking operating system version must be redhat-3, SuSE-9, redhat-4
解决办法:vi /xx/database/install/oraparam.ini找到【Certified Versions】Linux=redhat-3,SuSe-9,redhat-4,后面加上redhat-5保存并退出即可。如图:
分类:数据库   时间:2014-05-30 14:16:05    阅读次数:320
miui patchrom makefile
## Makefile for h30_u10## The original zip file, MUST be specified by each productlocal-zip-file := stockrom.zip# The output zip file of MIUI rom,...
分类:其他好文   时间:2014-05-30 08:40:13    阅读次数:333
Tomcat SSL配置 Connector attribute SSLCertificateFile must be defined when using SSL with APR解决
原文地址:http://blog.csdn.net/kissliux/article/details/17392003Tomcat 6版本配置SSL过程有两步:1、用JDK自带的keytool.exe来生成私有密钥和自签发的证书,如下:keytool -genkey -keyalg RSA -ali...
分类:其他好文   时间:2014-05-29 09:19:56    阅读次数:391
[Android] An internal error occurred during: "Launching New_configuration". Path for project must have only one segment.
出错:An internal error occurred during: "Launching New_configuration".Path for project must have only one segment.【解决过程】1.很明显,此处没有设置对应的AVD,即用于运行程序的andro...
分类:移动开发   时间:2014-05-28 23:45:20    阅读次数:707
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