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Print Current Mercurial Revision Hash?
Is there a better way extract the current revision hash in Mercurial than
8 Answers
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Combine two ActiveRecord::Relation objects
Suppose I have the following two objects:
8 Answers
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Android Fragment no view found for ID?
I have a fragment I am trying to add into a view.
34 Answers
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org.hibernate.MappingException: Could not determine type for: java.util.List, at table: College, for
I'm using Hibernate for all CRUD operations in my project. It doesn't work for One-To-Many and Many-To-One relationships. It gives me the below error.
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When to use .First and when to use .FirstOrDefault with LINQ?
...'d want to use .First and when you'd want to use .FirstOrDefault with LINQ.
14 Answers
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how to override action bar back button in android?
I want to customize the activity back button in action bar, not in hard key back button. I have overriden the onBackPressed() method. It works with my emulator back button, but not with action bar back button.
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Can vim monitor realtime changes to a file
My question is similar to this how to monitor a text file in realtime
but I want to do it in vim. I know I can read an opened file use tail -f sample.xml file, and when new content is written to the file, it'll also write the new content to my screen. Can I have vim automatically fill the new da...
What is the difference between Session.Abandon() and Session.Clear()
What is the difference between destroying a session and removing its values? Can you please provide an example demonstrating this?
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2 column div layout: right column with fixed width, left fluid
...2 columns where the right one has a fixed size . Unfortunately I couldn't find a working solution, neither on stackoverflow nor in Google. Each solution described there fails if I implement in my own context. The current solution is:
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How to return an empty ActiveRecord relation?
If I have a scope with a lambda and it takes an argument, depending on the value of the argument, I might know that there will not be any matches, but I still want to return a relation, not an empty array:
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