Re: [Edu-sig] odd drawing problem with turtle.py

2010-02-01 Thread Brian Blais
On Jan 31, 2010, at 23:05 , John Posner wrote: Try commenting out this statement: self.turtle.tracer(False) That helps on Python 2.6.4. interesting. It seems as if the tracer property is a global one: In [1]:t1=Turtle() In [2]:t1.tracer() Out[2]:1 In [3]:t1.tracer(False) In [4]:t1.t

Re: [Edu-sig] Math + Python: reviewing some themes (long)

2010-02-01 Thread David MacQuigg
kirby urner wrote: More to the point is wanting to render pre-existing well-established mathematics in a more accessible, hands-on, and intelligible format, without losing any backward compatibility. List comprehensions *illuminate* ideas about functions, do not detract from them. Creating a l

Re: [Edu-sig] odd drawing problem with turtle.py

2010-02-01 Thread Vern Ceder
Brian Blais wrote: On Jan 31, 2010, at 23:05 , John Posner wrote: Try commenting out this statement: self.turtle.tracer(False) That helps on Python 2.6.4. interesting. It seems as if the tracer property is a global one: Actually, the tracer method that does the work is part of the T

Re: [Edu-sig] odd drawing problem with turtle.py

2010-02-01 Thread kirby urner
On Mon, Feb 1, 2010 at 3:27 AM, Brian Blais wro > > I don't see where you've defined a Turtle class to instantiate sir. > > > Turtle is given in turtle.py. I should have subclassed it, but I was being > lazy. :) > > thanks for the fast replies! > > > > bb > > > No obvious need to subclass.

[Edu-sig] Sage, SciPy or continue with MatLab ???

2010-02-01 Thread David MacQuigg
kirby urner wrote: On Sun, Jan 31, 2010 at 10:05 AM, michel paul wrote: << SNIP >> Again, one of the things I truly love about Sage is that at its core, it is pure Python. I was delighted with something one of my FST students said. I had been using Sage as my blackboard in class, and th

Re: [Edu-sig] Sage, SciPy or continue with MatLab ???

2010-02-01 Thread David Joyner
On Mon, Feb 1, 2010 at 12:45 PM, David MacQuigg wrote: > kirby urner wrote: >> ... > > I'm putting together a proposal for a freshman-level course in CS. >  Currently we have three courses - one for CS majors (Java), one for > computer engineers (C), and one for physics and astronomy (C).   Matla

Re: [Edu-sig] Sage, SciPy or continue with MatLab ???

2010-02-01 Thread Bill Punch
Regarding conformity. When we moved the introductory course (used by both CS majors and non-majors) to Python, one of the criteria was to ensure as little changes to the subsequent curricula as possible. This obviously made the change much more palatable to the faculty. Thus the following course, C

[Edu-sig] No Virtual posters for PyCon

2010-02-01 Thread Vern Ceder
Hi everyone, I just wanted to let everyone know that the cool idea of having virtual posters on video at PyCon to encourage and recognize participation by students and teachers has proven to be a non-starter. We do have 17 very interesting live posters for PyCon (see http://us.pycon.org/2010