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Index on multiple columns in Ruby on Rails

I'm implementing functionality to track which articles a user has read. 2 Answers 2 ...
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Git: show more context when using git add -i or git add -e?

I'm selectively committing parts of a large file and I'd like to see more context around each hunk. Is this possible? 2 Ans...
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Get value from hidden field using jQuery

I have a <input type="hidden" value="" id='h_v' class='h_v'> Using jQuery I want to alert the user to this value . ...
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runOnUiThread vs Looper.getMainLooper().post in Android

Can anyone tell me if there's any difference between using runOnUiThread() versus Looper.getMainLooper().post() to execute a task on the UI thread in Android?? ...
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How to port data-only volumes from one host to another?

As described in the Docker documentation on Working with Volumes there is the concept of so-called data-only containers, which provide a volume that can be mounted into multiple other containers, no matter whether the data-only container is actually running or not. ...
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How do I get current URL in Selenium Webdriver 2 Python?

I'm trying to get the current url after a series of navigations in Selenium. I know there's a command called getLocation for ruby, but I can't find the syntax for Python. ...
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How do you rebase the current branch's changes on top of changes being merged in?

Okay. If I'm on a branch (say working ), and I want to merge in the changes from another branch (say master ), then I run the command git-merge master while on the working branch, and the changes get merged in without rebasing the history at all. If I run git-rebase master , then the changes ...
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Undo VS 'Exclude from project'?

Is there a way to undo the 'exclude from project' operation in Visual Studio (2008) ? 5 Answers ...
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Javadoc: package.html or package-info.java

When trying to create package level Javadoc comments, whats the preferred method? What do you do? 1 Answer ...
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Simulate airplane mode in iPhone Simulator

Is there any way to simulate airplane mode in the iPhone Simulator? 4 Answers 4 ...