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Is it possible to do start iterating from an element other than the first using foreach?

I'm thinking about implementing IEnumerable for my custom collection (a tree) so I can use foreach to traverse my tree. However as far as I know foreach always starts from the first element of the collection. I would like to choose from which element foreach starts. Is it possible to somehow chang...
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Postgresql: Conditionally unique constraint

I'd like to add a constraint which enforces uniqueness on a column only in a portion of a table. 2 Answers ...
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Scala actors: receive vs react

Let me first say that I have quite a lot of Java experience, but have only recently become interested in functional languages. Recently I've started looking at Scala, which seems like a very nice language. ...
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Efficiency of Java “Double Brace Initialization”?

In Hidden Features of Java the top answer mentions Double Brace Initialization , with a very enticing syntax: 15 Answe...
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ASP.NET MVC - Should business logic exist in controllers?

Derik Whitaker posted an article a couple of days ago that hit a point that I've been curious about for some time: should business logic exist in controllers? ...
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How to check if element exists using a lambda expression?

Specifically, I have TabPane, and I would like to know if there is element with specific ID in it. 3 Answers ...
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Inherit from a generic base class, apply a constraint, and implement an interface in C#

This is a syntax question. I have a generic class which is inheriting from a generic base class and is applying a constraint to one of the type parameters. I also want the derived class to implement an interface. For the life of me, I cannot seem to figure out the correct syntax. ...
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Automatically add all files in a folder to a target using CMake?

I am considering switching a cross platform project from separate build management systems in Visual C++, XCode and makefiles to CMake. ...
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Resuming git-svn clone

I started cloning an SVN repository using the git-svn's clone operation. After about 6 hours of importing (it's a big repo), my computer went and slept on me. Is there a way to resume the operation without redoing all of the initial work? ...
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git undo all uncommitted or unsaved changes

I'm trying to undo all changes since my last commit. I tried git reset --hard and git reset --hard HEAD after viewing this post . I responds with head is now at 18c3773... but when I look at my local source all the files are still there. What am I missing? ...