Re: Recommend Commercial graphing library

2010-04-06 Thread Lie Ryan
On 04/07/10 02:22, Grant Edwards wrote: > On 2010-04-06, Grant Edwards wrote: >> On 2010-04-06, Jean-Michel Pichavant wrote: >>> Pablo Recio Quijano wrote: Why must be commercial, when there is open and free alternatives? Like GNU Plot. >>> >>> Gnuplot is ugly. I'm using it because I d

Re: PIL question

2010-04-06 Thread Lie Ryan
On 04/06/10 19:47, Peter Otten wrote: > Tim Eichholz wrote: > >> I think maybe I am using the wrong function. I want to paste the >> entire 192x192 contents of cols[f] into newimage. I would think it >> works like newimage.paste(cols[f], (x, 0, 192+x, 192)) if that's not >> it I think I'm missing

Q about assignment and references

2010-04-06 Thread jdbosmaus
Pretty new to Python, but I thought I understood what is meant by "an assignment is a reference." Until I tried to understand this. Here is a (fragment of an) event handler for a group of three wxPython toggle buttons. The idea is to change the appearance of the label of the button that was press

lambda with floats

2010-04-06 Thread monkeys paw
I have the following acre meter which works for integers, how do i convert this to float? I tried return float ((208.0 * 208.0) * n) >>> def s(n): ... return lambda x: (208 * 208) * n ... >>> f = s(1) >>> f(1) 43264 >>> 208 * 208 43264 >>> f(.25) 43264 -- http://mail.python.org/mailman/listi

Re: Q about assignment and references

2010-04-06 Thread Chris Rebert
On Tue, Apr 6, 2010 at 7:51 PM, jdbosmaus wrote: > Pretty new to Python, but I thought I understood what is meant by "an > assignment is a reference." I recommend the effbot's treatment of the calling semantics: http://effbot.org/zone/call-by-object.htm ...But I don't think that's the issue here

Re: Performance of list vs. set equality operations

2010-04-06 Thread Jack Diederich
On Tue, Apr 6, 2010 at 2:11 PM, Gustavo Narea wrote: > Hello! > > Could you please confirm whether my understanding of equality > operations in sets and lists is correct? This is how I think things > work, partially based on experimentation and the online documentation > for Python: > > When you c

Re: Q about assignment and references

2010-04-06 Thread Stephen Hansen
On 2010-04-06 19:51:07 -0700, jdbosmaus said: Pretty new to Python, but I thought I understood what is meant by "an assignment is a reference." An assignment isn't really a reference, it binds a name to an object. Not quite the same thing. But, what's really the problem here is -- wxPython i

Re: Q about assignment and references

2010-04-06 Thread Alf P. Steinbach
* jdbosmaus: Pretty new to Python, but I thought I understood what is meant by "an assignment is a reference." Until I tried to understand this. Here is a (fragment of an) event handler for a group of three wxPython toggle buttons. The idea is to change the appearance of the label of the button

Re: lambda with floats

2010-04-06 Thread Patrick Maupin
On Apr 6, 10:16 pm, monkeys paw wrote: > I have the following acre meter which works for integers, > how do i convert this to float? I tried > > return float ((208.0 * 208.0) * n) > >  >>> def s(n): > ...     return lambda x: (208 * 208) * n > ... >  >>> f = s(1) >  >>> f(1) > 43264 >  >>> 208 * 2

Re: Recommend Commercial graphing library

2010-04-06 Thread Grant Edwards
On 2010-04-07, Lie Ryan wrote: > On 04/07/10 02:22, Grant Edwards wrote: >> On 2010-04-06, Grant Edwards wrote: >>> On 2010-04-06, Jean-Michel Pichavant wrote: Pablo Recio Quijano wrote: > Why must be commercial, when there is open and free alternatives? Like > GNU Plot.

Re: lambda with floats

2010-04-06 Thread Patrick Maupin
On Apr 6, 11:04 pm, Patrick Maupin wrote: > On Apr 6, 10:16 pm, monkeys paw wrote: > > > I have the following acre meter which works for integers, > > how do i convert this to float? I tried > > > return float ((208.0 * 208.0) * n) > > >  >>> def s(n): > > ...     return lambda x: (208 * 208) * n

Re: lambda with floats

2010-04-06 Thread Patrick Maupin
On Apr 6, 11:10 pm, Patrick Maupin wrote: > On Apr 6, 11:04 pm, Patrick Maupin wrote: > > > > > On Apr 6, 10:16 pm, monkeys paw wrote: > > > > I have the following acre meter which works for integers, > > > how do i convert this to float? I tried > > > > return float ((208.0 * 208.0) * n) > > >

Re: Is there a standard name for this tree structure?

2010-04-06 Thread Steven D'Aprano
On Tue, 06 Apr 2010 19:16:05 +0200, egbert wrote: > On Sun, Apr 04, 2010 at 12:10:02PM +, Steven D'Aprano wrote: > >> I can implement this tree using a flat dict: >> >> root = object() >> data = {root: ['Mammal', 'Reptile'], > > What is the advantage, or thougth behind, using an instance o

Re: (a==b) ? 'Yes' : 'No'

2010-04-06 Thread Steven D'Aprano
On Tue, 06 Apr 2010 16:54:18 +, Duncan Booth wrote: > Albert van der Horst wrote: > >> Old hands would have ... >> stamp =( weight>=1000 and 120 or >> weight>=500 and 100 or >> weight>=250 and 80 or >> weight>=100 and 60 or >>

Re: Performance of list vs. set equality operations

2010-04-06 Thread Lie Ryan
On 04/07/10 04:11, Gustavo Narea wrote: > Hello! > > Could you please confirm whether my understanding of equality > operations in sets and lists is correct? This is how I think things > work, partially based on experimentation and the online documentation > for Python: > > When you compare two l

Fashion

2010-04-06 Thread dhangout
What's Hot, Fashion Tips, Model's Portfolio, Fashion News, Designers, India Fashion Week, Fashion Accessories, Fashion Polling, Fashion Magazines, Funny facts About Fashion, more...http://www.dhangout.com/ fashion/ -- http://mail.python.org/mailman/listinfo/python-list

Love Guru

2010-04-06 Thread dhangout
Love Forum, Poems, Love Letters, love Sms, Love Tips, love messages, love, love flowers, full of love, Is it love ?, Love Articles, more... http://www.dhangout.com/loveguru/ -- http://mail.python.org/mailman/listinfo/python-list

Free Astrology

2010-04-06 Thread dhangout
Indian Festivals, Astro Tips, Feng Shui, Vastu, Rudraksh, Numerology, Lal Kitab, Chogadia ( Timeing ), Magic of Gems, Sani Dev, Astro Food, Astro Cloths, Astro Health, Astro Travel, more.. http://www.dhangout.com/astrology/ -- http://mail.python.org/mailman/listinfo/python-list

personality development

2010-04-06 Thread dhangout
Personality Tips, Office Ethics, Personality Disorder, Women Personality, Men Personality, Personality Grooming, Time Management, Yoga Tips, Social Phobia, Articles, more... http://www.dhangout.com/personality/ -- http://mail.python.org/mailman/listinfo/python-list

Daily News Updates

2010-04-06 Thread dhangout
News, national news , international news, sports news, economic news, business news, cricket news, daily news, latest news, local news, top news, latest news headlines, hot gossips, top stories, news updates, special news, world news, desi news, news and gossips, news hot, hot hews, sexy news, loca

Re: Is there a standard name for this tree structure?

2010-04-06 Thread Lie Ryan
On 04/07/10 14:18, Steven D'Aprano wrote: > I could have used None, or "root", or "this is a magic value that > probably won't clash with an entry in the tree", or -1 as a sentinel > instead, but they all risk accidental clashes with tree entries. Especially when you want to consider the possibi

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