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Unique Key constraints for multiple columns in Entity Framework

...; The problem of this approach is the following: It needs DbMigration so what do you do if you don't have it? Third approach: I think this is the best one but it requires some time to do it. I will just show you the idea behind it: In this link http://code.msdn.microsoft.com/CSASPNETUnique...
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rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)

... You might want to try what this article says: devcenter.heroku.com/articles/rails31_heroku_cedar (I haven't tried it myself yet) – Chris Muench Sep 4 '11 at 16:59 ...
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How to make a DIV visible and invisible with JavaScript

...the space occupied by the element remains reserved. That may or may not be what the OP wants – Pekka Feb 26 '12 at 19:23 1 ...
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What ports does RabbitMQ use?

What ports does RabbitMQ Server use or need to have open on the firewall for a cluster of nodes? 4 Answers ...
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A simple scenario using wait() and notify() in java

...ck and strive to not invoke alien methods (methods you don't know for sure what they are doing). If you have to, make sure to take measures to avoid deadlocks. 4) Be careful with notify(). Stick with notifyAll() until you know what you are doing. 5)Last, but not least, read Java Concurrency in P...
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Element-wise addition of 2 lists?

... What Python version did you use for those timings? – arshajii Sep 16 '13 at 0:20 9 ...
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Java generics - why is “extends T” allowed but not “implements T”?

... extends Renderable, Draggable, Droppable.... unless I'm not understanding what you want the erasure generics to do for you that this doesn't provide. – Tetsujin no Oni May 5 '16 at 17:54 ...
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Play a Sound with Python [duplicate]

What's the easiest way to play a sound file (.wav) in Python? By easiest I mean both most platform independent and requiring the least dependencies. pygame is certainly an option, but it seems overkill for just sound. ...
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Java 32-bit vs 64-bit compatibility

... one platform, but not for the one giving you issues. (If you have no idea what I'm referring to, see things like this: stackoverflow.com/a/14051512/155631 ). – Matt S. Sep 16 '16 at 21:59 ...
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How to use Git and Dropbox together effectively?

... I wonder what'll happen if you push to the dropbox bare repo from two machines at the same time. If it'll cause a modification in one of git's internal files, dropbox will show you there's a conflict -- but what do you do then? Just p...