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What does inverse_of do? What SQL does it generate?

... belongs_to :dungeon, :inverse_of => :evil_wizard end In this case, calling dungeon.traps.first.dungeon should return the original dungeon object instead of loading a new one as would be the case by default. share ...
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Array include any value from another array?

...0000 ( 1.172507) any?, include? 0.660000 0.000000 0.660000 ( 0.666015) share | improve this answer | follow | ...
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How does the socket API accept() function work?

...r IP : Server Port So while the Server IP and Server Port are constant in all accepted connections, the client side information is what allows it to keep track of where everything is going. Example to clarify things: Say we have a server at 192.168.1.1:80 and two clients, 10.0.0.1 and 10.0.0.2. ...
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How to decode HTML entities using jQuery?

...the approach from either that answer or Mark Amery's answer instead. Actually, try var decoded = $("<div/>").html(encodedStr).text(); share | improve this answer | ...
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Renaming a branch in GitHub

...at_is_local Dissecting the commands a bit, the git push command is essentially: git push <remote> <local_branch>:<remote_branch> So doing a push with no local_branch specified essentially means "take nothing from my local repository, and make it the remote branch". I've always t...
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What are the differences between NP, NP-Complete and NP-Hard?

... the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions. Decision problem: A problem with a yes or no answer. Now, let us define those complexity classes. P P is a complexity class that repres...
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Delete an element from a dictionary

... CrystalCrystal 3,60011 gold badge1717 silver badges2323 bronze badges ...
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CSS container div not getting height

...verflow: hidden; } This will force the container to respect the height of all elements within it, regardless of floating elements. http://jsfiddle.net/gtdfY/3/ UPDATE Recently, I was working on a project that required this trick, but needed to allow overflow to show, so instead, you can use a pseud...
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GridView VS GridLayout in Android Apps

... visible on screen. Whereas if you use a GridLayout you would have to load all the images that will be displayed at anytime causing an outofmemory error in most of devices. – BigBen3216 Jun 6 '13 at 23:43 ...
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Push Notifications in Android Platform

... You can generally get activated very quickly, and it is being used for things like GMail so is know to work in production. Unfortunately their sample code for communicating with the server side aspect of C2DM is lacking. I've written up a...