Alex Coplan

Can't plot a circle

1

x^2 + y^2 = 1 produces a CAS error: can't call method simplify on undefined

It doesn't like my trees

9

This script is full of awesome, but for some reason it doesn't like trees: ``` $ tree . ├── decrypt.py └── something.txt 0 directories, 2 files Super:Stuff alex$ tree |...

What is the reasoning behind blocking these constants?

Easy way to test, go [here](http://rtfz.codeschool.com/levels/1/challenges/1), enter "return", and click submit. The exception it throws is caused by RubyCop.

Supposing some code fails to pass the policy, is there a way to get to the failing line number, and the reason it failed (e.g. "line 1: disallowed call to...

Hello, Trying the following: ``` f = new Fraction(0); console.log( f.add(new Fraction(1,2)).toString() ); ``` Gives NaN (I'm guessing there's a divide by zero error somewhere?) Would be great if this...