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Why can a function modify some arguments as perceived by the caller, but not others?
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Using 'return' in a Ruby block
I'm trying to use Ruby 1.9.1 for an embedded scripting language, so that "end-user" code gets written in a Ruby block. One issue with this is that I'd like the users to be able to use the 'return' keyword in the blocks, so they don't need to worry about implicit return values. With this in mind, t...
How do I get the current absolute URL in Ruby on Rails?
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Calculate the median of a billion numbers
... Probably too late if this had been an interview, but never mind:
Machine 1 shall be called the "control machine", and for the sake of argument either it starts with all the data, and sends it in equal parcels to the other 99 machines, or else the data starts evenly distributed between the machines...
How to use MySQLdb with Python and Django in OSX 10.6?
This is a much discussed issue for OSX 10.6 users, but I haven't been able to find a solution that works. Here's my setup:
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Redirect to named url pattern directly from urls.py in django?
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If you are on Django 1.4 or 1.5, you can do this:
from django.core.urlresolvers import revers...
Difference between len() and .__len__()?
Is there any difference between calling len([1,2,3]) or [1,2,3].__len__() ?
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Java Replacing multiple different substring in a string at once (or in the most efficient way)
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EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
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I got annoyed by this recently too. I fixed it by putting a wrapper function in the Configurat...