On Oct 1, 2012 12:26 AM, "Alan Gauld" wrote:
>
> On 30/09/12 11:50, Oscar Benjamin wrote:
>> While I can write a script like the OP's in less than 5 minutes, in
>> practise it takes longer to convince myself that the code is correct (if
>> it is important for it to be so). I spend most of the time
On Sep 30, 2012 11:10 PM, "Cecilia Chavana-Bryant"
wrote:
>
> Hola again Python Tutor!
Hi Cecilia
>
> With a friend's help I have the following code to extract reflectance data
> from an ASCII data file, do a bit of data manipulation to calibrate the data
> and then write the calibrated file i
On 01/10/12 09:52, Oscar Benjamin wrote:
I guess we won't get to find out but I assumed that the OP understood
what he was doing mathematically but was struggling with the Python
In retrospect I think that's true. When I posted my original reply I
assumed he was new to Python and learning abo
- Original Message -
> From: eryksun
> To: Albert-Jan Roskam
> Cc: Python Mailing List
> Sent: Sunday, September 30, 2012 1:46 AM
> Subject: Re: [Tutor] generic repr method?
>
> On Sat, Sep 29, 2012 at 4:15 PM, Albert-Jan Roskam
> wrote:
>>
>> def __repr__(self):
>>
- Original Message -
> From: Alan Gauld
> To: tutor@python.org
> Cc:
> Sent: Sunday, September 30, 2012 10:22 AM
> Subject: Re: [Tutor] Lotka-Volterra Model Simulation Questions
>
> On 30/09/12 00:09, Brett Ritter wrote:
>
>> agreement. Can you point to any of the research you ment
On 9/30/2012 6:16 PM, Dwight Hutto wrote:
But he started it.
Now be the man and end it.
Emile
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On Mon, Oct 1, 2012 at 8:16 AM, Albert-Jan Roskam wrote:
>
>I had not considered __slots__ at all. I have read about it; IIRC they
>can be uised to "slim down" a class so it uses less memory. Is it true
>that this is not used very often?
In a class defined with __slots__, it's up to you whether t
On 1 October 2012 13:16, Albert-Jan Roskam wrote:
>
>> On Sat, Sep 29, 2012 at 4:15 PM, Albert-Jan Roskam
>> wrote:
>>>
>>> def __repr__(self):
>>> code = self.__class__.__name__ + "("
>>> for arg in inspect.getargspec(self.__init__).args [1:] :
>>> if isinsta
On Mon, Oct 1, 2012 at 12:33 AM, Alan Gauld wrote:
> On 30/09/12 23:07, Cecilia Chavana-Bryant wrote:
>
>> Hola again Python Tutor!
>>
>> With a friend's help I have the following code to extract reflectance
>> data from an ASCII data file, do a bit of data manipulation to calibrate
>> the data an
On Mon, Oct 1, 2012 at 1:16 AM, Dave Angel wrote:
> On 09/30/2012 06:07 PM, Cecilia Chavana-Bryant wrote:
> > Hola again Python Tutor!
> >
> > With a friend's help I have the following code to extract reflectance
> data
> > from an ASCII data file, do a bit of data manipulation to calibrate the
>
On 10/1/2012 11:45 AM, Matthew Dalrymple wrote:
Im trying to write an html syntax checker...pretty much read an
imported file, if it has all the opening and closing "<" and ">" it
will return True and if it doesn't it will return False.
this is what i have so far
http://pastie.org/4891833
how
I don't need to hear how bad my programs are...either you are gonna help or
your not...if you have questions about what i have wrote or why i wrote
something someway ask...dont just jump to conclusions I forgot to include that
i had to write a "stack" function in a "pythonbasic" file to
import
Dear Matthew,
> I don't need to hear how bad my programs are...either you are gonna help or
> your not...if you have questions about what i have wrote or why i wrote
> something someway ask...dont just jump to conclusions
>
> I forgot to include that i had to write a "stack" function in a "pyt
You will not find much help in getting a program to 'just work' regardless
of your own experience. My advice would be to try and run small parts at a
time to pinpoint where the problem is. Are you opening and reading the file
properly? Are you iterating over the read file properly? Does your html
c
On 1 Oct 2012 15:28, "Matthew Dalrymple"
wrote:
>
> I don't need to hear how bad my programs are...either you are gonna help
or your not...if
Matthew,
Bob didn't cuddle you and he may have been a bit more brusque than you'd
have liked. However, his response to you was intended as help, it provid
> Subject: Re: [Tutor] html checker
> From: walksl...@gmail.com
> Date: Mon, 1 Oct 2012 12:38:07 -0700
> CC: tutor@python.org
> To: computer_dud...@hotmail.com
>
> Dear Matthew,
>
> > I don't need to hear how bad my programs are...either you are gonna help or
> > your not...if you have questi
On 30 September 2012 04:37, Alan Gauld wrote:
>
> One of the things that makes math hard for people to grasp is its insistence
> on abstracting functions/values to single letter names etc. (especially when
> those names are in a foreign language/symbology,
> like Greek!) Of course, the abstracti
yourlisthere.pop() will return the last element in the list and change the
list so it no longer contains the element. yourlisthere.push(x) will add x
to the end of the list. Works on more than just lists
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To unsubscr
> i don't really understand the pop and push or even stacks for that
> matter...the professor i have isn't really the best at teaching...so if
> anyone could give me a hand with any of this that would be appreciated
The way I was taught about pop and push:
Think of a stack of dishes. Each time y
On Mon, Oct 1, 2012 at 11:45 AM, Matthew Dalrymple
wrote:
>
> Im trying to write an html syntax checker...pretty much read an imported
> file, if it has all the opening and closing "<" and ">" it will return True
> and if it doesn't it will return False.
It's just this htmlChecker function that y
On Mon, Oct 1, 2012 at 4:23 PM, eryksun wrote:
>
> Finally:
>
>
> print(s1)
>
>
> If s1 is an iterable sequence, you can print the string using either
> "print(''.join(s1))" or "print(*s1, sep='')". Also, at this point
> should s1 be emptied?
Sorry, that last statement was wrong. I was th
Friends,
I have an 1d array like a=[1, 1, 2, 2, 2, 3, 3, 1, 1, 1], i have to
convert it to 2d array for plotting as follows. The 2d array is filled
by a[colum index] to obtain the new array shown below.
[ [ 1., 1., 0., 0., 0., 0., 0., 1., 1., 1.],
[ 0., 0., 2., 2., 2., 0., 0., 0.
On 1 October 2012 22:04, Bala subramanian wrote:
> Friends,
> I have an 1d array like a=[1, 1, 2, 2, 2, 3, 3, 1, 1, 1], i have to
> convert it to 2d array for plotting as follows. The 2d array is filled
> by a[colum index] to obtain the new array shown below.
>
> [ [ 1., 1., 0., 0., 0., 0.,
On 01/10/12 21:05, Brian van den Broek wrote:
On 30 September 2012 04:37, Alan Gauld wrote:
like Greek!) Of course, the abstraction is powerful in its own right because
it can then be applied in multiple domains, but that abstraction is often
the barrier to people understanding the principle.
On 1 October 2012 19:30, Alan Gauld wrote:
> translation for them, not just complain of their 'ignorance'. But that's now
> taking things way, way off topic!! :-)
I think you meant ``way^2 off topic'' ;-)
Brian vdB
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On 01/10/12 20:59, Matthew Dalrymple wrote:
i don't really understand the pop and push or even stacks for that
matter...the professor i have isn't really the best at teaching...so if
anyone could give me a hand with any of this that would be appreciated
The Raw materials topic in my tutor has
hello, I am a college student in my first year of computer programming,
I was wondering if you could look at my code to see whats wrong with it.
# Mark Rourke
# Sept 29, 2012
# Write a program to calculate the sales tax at the rate of 4% and 2%
respectively
# Thereafter compute the total sales
Is the only problem that your code is giving unexpected results, or that it
doesnt run or what?
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It is hard to see things like images and attachments. I think purely html
is preferred, but i would have to look over 'the list rules' again.
You should look into dictionaries as the structure to hold your info.
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To
On Mon, Oct 1, 2012 at 7:46 PM, Alan Gauld wrote:
>
> As c smith points out, Python lists have a pop/push mechanism as standard
> which makes implementing a stack in Python fairly trivial.
>
> To expand on how reversing works consider pushing the string foo onto the
> stack then popping it off aga
On 10/01/2012 08:16 PM, c smith wrote:
> It is hard to see things like images and attachments. I think purely html
> is preferred, but i would have to look over 'the list rules' again.
Since this is a text mailing-list, it's text messages that are
preferred. html messages frequently trash indenta
I have been following the discussions here since middle-May of this
year. I have gathered that the volunteers strongly value precision of
speech and proper formatting of posts and especially making a strong
effort to solve one's problem(s) before bringing it(them) up here for
help. I think I unders
On 09/30/2012 02:02 AM, patrick Howard wrote:
> I have to write a program that takes an input file, with students names and
> various grades.
> My vindictive teacher also added grades that are not supposed to count, so I
> need to pick the grades that are 'HM1-4"; not HW, or TEST or anything else
On 9/30/2012 3:31 PM, Mark Rourke wrote:
hello, I am a college student in my first year of computer
programming, I was wondering if you could look at my code to see whats
wrong with it.
Welcome to the tutor list. I assume this is your first visit. Why?
because we always request that you tell us
On 10/01/2012 09:44 PM, Dave Angel wrote:
> On 09/30/2012 02:02 AM, patrick Howard wrote:
>> I have to write a program that takes an input file, with students names and
>> various grades.
>> My vindictive teacher also added grades that are not supposed to count, so I
>> need to pick the grades th
On 1 Oct 2012 19:58, "Mark Rourke" wrote:
>
> hello, I am a college student in my first year of computer programming, I was
> wondering if you could look at my code to see whats wrong with it.
>
> # Mark Rourke
> # Sept 29, 2012
> # Write a program to calculate the sales tax at the rate of 4% and
On Mon, Oct 01, 2012 at 08:34:03PM -0500, boB Stepp wrote:
> I have been following the discussions here since middle-May of this
> year. I have gathered that the volunteers strongly value precision of
> speech and proper formatting of posts
Some more than others, but yes.
> and especially makin
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