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Molisa:
spp_1987 写道 没有从页面 把表单的值 获取转换为js ...
jQuery+json -
Molisa:
jsonmimang2007110 写道JQuery里面怎么使 ...
jQuery+json -
mimang2007110:
JQuery里面怎么使用json,lz能不能贴一点
jQuery+json -
spp_1987:
没有从页面 把表单的值 获取转换为json对象 再传到acti ...
jQuery+json
文章列表
Impala不能查询到Hive中新增加的表
- 博客分类:
- Hadoop
使用Cloudera Manager部署安装的CDH和Impala,Hive中新增加的表,impala中查询不到,其原因是/etc/impala/conf下面没有hadoop和hive相关的配置文件:
将hadooop-core.xml,hdfs-site.xml,hive-site.xml拷贝到conf下,重启服务即可。
使用Pentaho Report Designer要使数据同步,可手动选择Data菜单选择Clear Cache Data,然后刷新报表
不使用缓存且使发布到Bi Server中的报表也能与数据库中的数据同步
在右侧的Structure下,选择master report
将Atrributes中的data-cache(query)属性设置为false
1. vim /etc/selinux to disable the selinux
2. chkconfig iptables off
3. vim /etc/sysconfig/network
NETWORK=yes
HOSTNAME=n0.example.com
GATEWAY=192.168.123.2
4.vim ifcfg-eth0
DEVICE=eth0
BOOTPROTO=static
IPADDR=192.18.XXXX
NETMASK=255.255.255.0
5. vim /etc/resolve.cnf
nameserver ...
Cloudera Hue Issues
- 博客分类:
- Hadoop
在使用Cloudera Hue时遇到一问题:
1. 使用Sqoop导入功能时,由于配置错误,使得“保存运行”后Job并不能正常提交,且界面上没有相关提示:
使用Hue的Sqoop shell -》 start job --jid * 提交会出现一些错误提示
然后再去/var/log/sqoop/里面 ...
java类的生命周期
- 博客分类:
- Java
http://www.cnblogs.com/rongxh7/archive/2010/04/11/1709334.html
1. Build the product concept. Make it better and better
2. Cheer up everyone to create a great product as similar as possible as the perfect product concept has build in everyone's mind
A joke about C++
- 博客分类:
- Java
Of course, while it is true that the ++ operator gives the C++ language its name, it also led to the first joke about the language. C++ haters point out that even the name of the language contains a bug: “After all, it should really be called ++C, because we only want to use a language after it has b ...
Mapreduce:http://langyu.iteye.com/blog/909170
HDFS:http://langyu.iteye.com/blog/909170
Zookeeper: http://blog.csdn.net/xhh198781/article/category/841157
HBase: http://blog.csdn.net/column/details/hbase.html
Collection
- 博客分类:
- Java
http://blog.sina.com.cn/s/blog_4e90b73e01008qfn.html
Hascode, equals and ==
- 博客分类:
- Java
http://blog.sina.com.cn/s/blog_4e90b73e01008pzz.html
有许多人相信最好的想法因它本身的优秀而胜出,这种精英式看法没有看到其它可能:交易、领导力和公司政治
我们可能都遇到过这样的人,他(她)相信客观、可衡量的事实,认为最好的东西会因它本身的优秀而胜出,通 ...
http://blog.csdn.net/wanweiaiaqiang/article/details/7092293
http://weixiaolu.iteye.com/blog/1397519
http://www.linuxidc.com/Linux/2012-03/56929.htm
http://www.hadoopor.com/thread-1709-1-1.html
JVM Memory Structure
- 博客分类:
- JVM
http://www.yourkit.com/docs/kb/sizes.jsp
Google and IBM Announce University Initiative to Address Internet-Scale Computing Challenges http://www.google.com/intl/en/press/pressrel/20071008_ibm_univ.html
Google Code Universityhttp://code.google.com/intl/zh-CN/edu/parallel/