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Entity Framework select distinct name
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Using lambda expression..
var result = EFContext.TestAddresses.Select(m => m.Name).Distinct();
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SSH免密码登陆教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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2、ssh-keygen -t [rsa|dsa]，将会生成密钥文件和私钥文件 id_rsa,id_rsa.pub或id_dsa,id_dsa.pub
3、将 .pub 文件复制到B机器的 .ssh 目录， 并 cat id_dsa.pub >> ~/.ssh/authorized_keys
4、大功告成，从A机器登录B机器的目标账户，不再需要密码了
ssh-k...
SSH免密码登陆教程 - 环境配置 - 清泛IT社区，为创新赋能！
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2、ssh-keygen -t [rsa|dsa]，将会生成密钥文件和私钥文件 id_rsa,id_rsa.pub或id_dsa,id_dsa.pub
3、将 .pub 文件复制到B机器的 .ssh 目录， 并 cat id_dsa.pub >> ~/.ssh/authorized_keys
4、大功告成，从A机器登录B机器的目标账户，不再需要密码了s...
Server is already running in Rails
When I am starting rails server using rails s command it is showing A server is already running. Check C:/Sites/folder/Pids/Server.pids
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Number of processors/cores in command line
I am running the following command to get the number of processors/cores in Linux:
10 Answers
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Do fragments really need an empty constructor?
...Fragment with a constructor that takes multiple arguments. My app worked fine during development, but in production my users sometimes see this crash:
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Get/pick an image from Android's built-in Gallery app programmatically
I am trying to open an image / picture in the Gallery built-in app from inside my application.
19 Answers
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...enchAdvisor {
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3 private static final String PERSPECTIVE_ID = " cn.blogjava.youxia.rcp_start.perspective " ;
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5 public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(IWorkbenchWindowConfigurer configurer) {
6 return new ApplicationWorkbenchWindo...
Using Selenium Web Driver to retrieve value of a HTML input
In the HTML of a webapp there is the following code
9 Answers
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Set ImageView width and height programmatically?
...geView:
imageView.getLayoutParams().height = 20;
Important. If you're setting the height after the layout has already been 'laid out', make sure you also call:
imageView.requestLayout();
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