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Finding Number of Cores in Java

...r of available processors should therefore occasionally poll this property and adjust their resource usage appropriately." source – JW. Jun 16 '12 at 9:38 ...
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)

... Thanks...this one helped! and +1 – Jayprakash Dubey Jan 27 '14 at 9:07 ...
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API Keys vs HTTP Authentication vs OAuth in a RESTful API

...ooking to build various things into it that require more controlled access and security. While researching how to go about securing the API, I found a few different opinions on what form to use. I've seen some resources say HTTP-Auth is the way to go, while others prefer API keys, and even others (i...
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What are the differences between .gitignore and .gitkeep?

What are the differences between .gitignore and .gitkeep ? Are they the same thing with a different name, or do they both serve a different function? ...
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JavaScript ternary operator example with functions

...else syntax because I don't like to sacrifice readability - I'm old-school and I prefer my braces. The full if/then/else format is used for pretty much everything. It's especially popular if you get into larger blocks of code in each branch, you have a muti-branched if/else tree, or multiple else/...
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How to expire session due to inactivity in Django?

...very request like so. request.session['last_activity'] = datetime.now() and add a middleware to detect if the session is expired. something like this should handle the whole process... from datetime import datetime from django.http import HttpResponseRedirect class SessionExpiredMiddleware: ...
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“git rm --cached x” vs “git reset head --​ x”?

... There are three places where a file, say, can be - the tree, the index and the working copy. When you just add a file to a folder, you are adding it to the working copy. When you do something like git add file you add it to the index. And when you commit it, you add it to the tree as well. It ...
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How do you work with an array of jQuery Deferreds?

...then the schemas, then finally initialize the application with the schemas and urls for the various data objects. As the user navigates the application, data objects are loaded, validated against the schema, and displayed. As the user CRUDs the data, the schemas provide first-pass validation. ...
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Adding an arbitrary line to a matplotlib plot in ipython notebook

I'm rather new to both python/matplotlib and using it through the ipython notebook. I'm trying to add some annotation lines to an existing graph and I can't figure out how to render the lines on a graph. So, for example, if I plot the following: ...
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Renaming table in rails

...n't going to work. Instead you'll have to create an instance of the class, and call the method on the instance, like this: Class.new.method. [EDIT] In this instance, ActiveRecord::ConnectionAdapters::SchemaStatements isn't even a class (as pointed out by cam), which means that you can't even create...