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IBatis入门
FAQ:1、com.ibatis.sqlmap.client.SqlMapException: There is already a statement named xxx in this SqlMap.Exception in thread "main" java.lang.ExceptionIn...
分类:其他好文   时间:2014-07-30 20:31:14    阅读次数:370
windows下Eclipse启动tomcat提示端口已被占用 already in use
>netstat -ano | findstr 8009  TCP    127.0.0.1:8005         0.0.0.0:0              LISTENING       2188 E:\eclipse_workspace\normandy>taskkill /PID 2188 错误: 无法终止 PID 为 2188 的进程。 原因: 只能强行终止这个...
分类:Windows程序   时间:2014-07-30 14:48:43    阅读次数:278
rails rake 版本问题
rails rake 版本问题 通常情况下,如果我们电脑上同时装了不同版本的rake时,运行rake命令时会出错,如: rake db:migrate rake aborted! You have already activated rake 0.9.2, but your G...
分类:其他好文   时间:2014-07-29 21:04:42    阅读次数:200
retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS)
[root@qa bin]# hadoop fs -ls / Warning: $HADOOP_HOME is deprecated. 14/07/29 13:25:35 INFO ipc.Client: Retrying connect to server: centhost.centdomain/10.110.30.30:9000. Already tried 0 time(s); retr...
分类:其他好文   时间:2014-07-29 18:12:42    阅读次数:555
java.lang.IllegalStateException: attempt to re-open an already-closed object
attempt to re-open an already-closed object 字面理解,试图再次打开已经关闭的对象,这是我在操作sqlited的时候出现的错误, 我在一个activity里面对数据库进行操作,在这个acitvity生命周期结束(跳转或者其他操作)但是程序不结束时,对数据库进行close操作, 开始运行,首次打开此avtivity没有错误,然后跳转此时此avtiv...
分类:编程语言   时间:2014-07-29 17:44:52    阅读次数:1121
8 个必看的 Bootstrap 的 WordPress 框架【转】
#1: BoilerStrapBoilerstrap is a wordpress twenty twelve template that already include Boostrap within the code base. This reduces the integration time...
分类:其他好文   时间:2014-07-29 12:21:56    阅读次数:260
用java程序把本地的一个文件拷贝到hdfs上并显示进度
把程序打成jar包放到Linux上 转到目录下执行命令 hadoop jar mapreducer.jar /home/clq/export/java/count.jar  hdfs://ubuntu:9000/out06/count/ 上面一个是本地文件,一个是上传hdfs位置 成功后出现:打印出来,你所要打印的字符。 package com.clq.hdfs; import java...
分类:编程语言   时间:2014-07-26 02:27:17    阅读次数:270
The Ten Minute Guide to diff and patch
Situation one: you are trying to compile a package from source and you discover that somebody has already done the work for you of modifying it slight...
分类:其他好文   时间:2014-07-24 12:15:45    阅读次数:323
Some projects cannot be imported because they already exist in the workspace
遇到问题:第一次从外部文件导入HelloWorld工程到workspace目录中,成功。删除后,再次从外部导入workspace目录提示 Some projects cannot be imported because they already exist in the workspaceeclip...
分类:其他好文   时间:2014-07-24 10:20:23    阅读次数:415
eclipse 中添加工程 Some projects cannot be imported because they already exist in the workspace
第一次从外部文件导入HelloWorld工程到workspace目录中,成功。删除后,再次从外部导入workspace目录提示Some projects cannot be imported because they already exist in the workspaceeclipse中删除H...
分类:系统相关   时间:2014-07-23 20:40:15    阅读次数:252
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