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PL/SQL Developer ORA-12154: TNS: 无法解析指定的连接标识符
背景:         在本机(Win7 64位  旗舰版)安装Oracle 11g的客户端(安装的32位的ORACLE客户端),并设置相应的本地服务后,用PL/SQL Developer提示下面的错误: “Could not load "……\bin\oci.dll"”这个错误,64位win7上装PL/SQL,经常会遇见“Could not load "……\bin\oci.dll"”这个错...
分类:数据库   时间:2014-06-28 08:46:15    阅读次数:278
mongoDB2.6,java使用详解
一、准备工作 1、 首先,下载mongoDB对Java支持的驱动包 驱动包下载地址:https://github.com/mongodb/mongo-java-driver/downloads mongoDB对Java的相关支持、技术:http://www.mongodb.org/display/DOCS/Java+Language+Center 驱动源码下载:https://d...
分类:数据库   时间:2014-06-28 08:19:20    阅读次数:331
Leetcode-Two Sum
题目: Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two numbers such that they add up to the ta...
分类:其他好文   时间:2014-06-28 08:17:11    阅读次数:305
ProjectRuler 算法练习之 位数组成字符串相同的整数
Problem :It can be seen that the number, 125874, and its double, 251748, contain exactly the same digits, but in a different order.Find the smallest positive integer, x, such that 2x, 3x, 4x, 5x, and ...
分类:其他好文   时间:2014-06-28 08:13:17    阅读次数:249
LeetCode——Path Sum II
Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum. For example: Given the below binary tree and sum = 22, 5 / ...
分类:其他好文   时间:2014-06-28 07:31:28    阅读次数:214
MySQL server PID file could not be found!   ,今天所遇到的问题
今天在编译安装MySQL的时候出现报错,报错信息如下[root@localhostmysql]#servicemysqlstartStartingMySQL..ERROR!TheserverquitwithoutupdatingPIDfile(/var/lib/mysql/localhost.localdomain.pid)查看报错日志信息如下:14062711:31:43[ERROR]Fatalerror:Can‘topenandlockpri..
分类:数据库   时间:2014-06-28 06:34:58    阅读次数:345
FATAL ERROR: Could not find ./bin/my_print_defaults
我勒个去,上午刚搞好MySQL的编译安装,玛德一重启计算机然后重启服务又报错:[root@localhostmysql-5.5.13]#/usr/local/mysql/scripts/mysql_install_db--user=mysqlFATALERROR:Couldnotfind./bin/my_print_defaultsIfyoucompiledfromsource,youneedtorun‘makeinstall‘tocopyt..
分类:其他好文   时间:2014-06-28 06:21:53    阅读次数:313
遍历目录中所有文件并统计信息
遍历目录中所有文件,并且统计文件类型。#!/bin/bash #filename:filestat.sh #set-x if[$#-ne1]; then echo$0basepath; echo fi path=$1 declare-Astatarray; whilereadline; do ftype=`file-b"$line"` letstatarray["$ftype"]++; done<<(find$path-typef-print) ech..
分类:其他好文   时间:2014-06-28 00:16:08    阅读次数:224
POJ1026 Cipher 【polya】
This question is not so difficult. First,my thoughts were we should use a lot of code to find out the loop block,but there is no need to do that . you just need to get every new position of char in ...
分类:其他好文   时间:2014-06-27 23:39:44    阅读次数:293
Leetcode: First Missing Positive
Given an unsorted integer array, find the first missing positive integer.For example,Given [1,2,0] return 3,and [3,4,-1,1] return 2.Your algorithm sho...
分类:其他好文   时间:2014-06-27 22:24:34    阅读次数:346
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