我有一个带有一些键值的yml文件.
age: 24
Name: XYZ
我想要代码将"名称"键的值从XYZ更新为ABC？我该怎么做？
我正在开发一个rails应用程序.我在mysql中创建了一个表"学生"的表.无论如何在rails应用程序中创建其迁移文件？我在config/database.yml中指定了数据库名称,并使用了其他表.但我想创建表迁移文件.我该怎么做？
我想检查Ruby on Rails上的页面加载是否启用了javascript和cookie。因此，如果有人尝试打开它，网站应该显示一条消息，表明他无法继续进行操作。
我在相同的路径中安装了liferay-portal-tomcat-6.1.2-ce-ga3-20130816114619181.zip和liferay-plugins-sdk-6.1.1-20130816114619181.zip"/ home/sim/Desktop/LR".并尝试从http://www.liferay.com/documentation/liferay-portal/6.1/development/-/ai/installing-the-sdk安装SDK插件
当我试图创建portlet时
/Desktop/LR/liferay-plugins-sdk-6.1.1/portlets$ ./create.sh newportlet "My New Portlet"
Buildfile: /home/sim/Desktop/LR/liferay-plugins-sdk-6.1.1/portlets/build.xml
[get] Getting: http://repo2.maven.org/maven2/org/apache/ivy/ivy/2.3.0/ivy-2.3.0.jar
[get] To: /home/sim/Desktop/LR/liferay-plugins-sdk-6.1.1/.ivy/ivy-2.3.0.jar
然后我手动下载文件ivy-2.3.0.jar
wget http://repo2.maven.org/maven2/org/apache/ivy/ivy/2.3.0/ivy-2.3.0.jar--2013-09-25 15:15:00-- http://repo2.maven.org/maven2/org/apache/ivy/ivy/2.3.0/ivy-2.3.0.jar
Resolving www-proxy.ericsson.se (www-proxy.ericsson.se)... 153.88.253.150
Connecting to www-proxy.ericsson.se (www-proxy.ericsson.se)|153.88.253.150|:8080... connected.
Proxy request sent, awaiting response... 200 OK
Length: 1222059 (1.2M) [application/java-archive]
Saving to: `ivy-2.3.0.jar'
100%[=====================================================================================================>] 1,222,059 204K/s in 5.9s
2013-09-25 15:15:06 (203 KB/s) - `ivy-2.3.0.jar' saved [1222059/1222059]
然后我又跑了
/Desktop/LR/liferay-plugins-sdk-6.1.1/portlets$ ./create.sh newportlet "My New Portlet"
没有错误......它被困在这里..
Buildfile: /home/sim/Desktop/LR/liferay-plugins-sdk-6.1.1/portlets/build.xml
[ivy:resolve] :: Apache Ivy 2.3.0 - 20130110142753 :: http://ant.apache.org/ivy/ :: …