On 20/04/15 04:34, boB Stepp wrote:
So, how do I:
1) Check for the existence of an already open window from a previous
running of the script?
2) If such a window exists, how do I close it from the new script
execution? And, then, of course generate a new instance of the
information window.
I w
For randomly generating data which look like addresses, I use:
> http://www.generatedata.com/
>
> While it has 'export to programming language' as a feature, Python isn't
> one of the supported languages. Which is fine. It can export into comma
> separated values, and writing a Python program to
Is my code completing the assignment??? I need some *guidance* on
completing my assignment.
My Assignment:
A sparse life grid is used to store and represent the area in the game of
Life that contains organisms. The grid contains a rectangular grouping of
cells divided into an infinite number of ro
On 20/04/15 04:49, Jim Mooney wrote:
Come to think of it, since I used | as a delimiter, what happens if you
generate a CSV file from data that already has commas in the text?
The CSV format covers that eventuality: You put quotes around the
item with the comma.
And if there are already quot
niy mor writes:
> Is my code completing the assignment???
Does it meet the requirements when you (and other people) run the code?
> I need some *guidance* on completing my assignment.
Can you be specific about what you don't understand?
If you don't understand the requirements, that is best d
On 20/04/15 01:36, niy mor wrote:
Is my code completing the assignment???
No.
I need some *guidance* on
completing my assignment.
Try running your code.
Then fix the errors.
If you can't fix them come back to us and ask for help,
including the error message and a description of what
happene
On 20/04/2015 04:49, Jim Mooney wrote:
For randomly generating data which look like addresses, I use:
http://www.generatedata.com/
While it has 'export to programming language' as a feature, Python isn't
one of the supported languages. Which is fine. It can export into comma
separated values
On Mon, Apr 20, 2015 at 2:10 AM, Alan Gauld wrote:
> On 20/04/15 04:34, boB Stepp wrote:
>
>> So, how do I:
>> 1) Check for the existence of an already open window from a previous
>> running of the script?
>> 2) If such a window exists, how do I close it from the new script
>> execution? And, then
I can't seem to get my head around this 'simple' book example of
binary-to-decimal conversion, which goes from left to right:
B = '11011101'
I = 0
while B:
I = I * 2 + int(B[0])
B = B[1:]
print(I)
>>> 221
My thought was to go from right to left, multiplying digits by successive
powers of
In a message of Mon, 20 Apr 2015 08:10:38 +0100, Alan Gauld writes:
>Trying to manipulate GUIs via the windowing system should always
>be a last resort, it is very hard to get right.
And the hardness increases exponentially if you want to be portable
across different operating systems.
Laura
__
> Which is why you should use the csv module to work with csv files,
> it knows how to deal with these various exceptional cases.
> --
> Alan G
>
I should have known to simply try importing csv.
Must-remember-batteries-included ;')
--
Jim
___
Tutor mai
Newman, W., Sproull, R. (1979), Principles of Interactive Computer Graphics,
Mcgraw-Hill College, ISBN 0-07-046338-7
is a very good read. It is understandably dated, but then it was
history that you were looking for. And the book has 2 parts -- a
history of the computer architectures we had (in
In a message of Sun, 19 Apr 2015 20:49:27 -0700, Jim Mooney writes:
>Come to think of it, since I used | as a delimiter, what happens if you
>generate a CSV file from data that already has commas in the text?
>
>--
>Jim
In Sweden, and lots of other places, we do numbers differently.
This is One
I don't understand how to do this. I attempted with my code and hoped a
tutor could help me with this
On Apr 20, 2015 3:31 AM, "Ben Finney" wrote:
> niy mor writes:
>
> > Is my code completing the assignment???
>
> Does it meet the requirements when you (and other people) run the code?
>
> > I n
Hi
I liked the addon "Picture-flasher" written for anki very much
and I was wondering if the same thing could be done with mp3 and/or
flac files. Means I am looking for an addon that chooses a random mp3
and/or flac file from a directory provided by me (to the addon as we
have to provide in "Pictu
On Apr 20, 2015 6:56 AM, "Jim Mooney" wrote:
>
> I can't seem to get my head around this 'simple' book example of
> binary-to-decimal conversion, which goes from left to right:
>
> B = '11011101'
> I = 0
> while B:
> I = I * 2 + int(B[0])
> B = B[1:]
>
> print(I)
> >>> 221
>
> My thought w
On 20 April 2015 at 08:44, Jim Mooney wrote:
> I can't seem to get my head around this 'simple' book example of
> binary-to-decimal conversion, which goes from left to right:
>
> B = '11011101'
> I = 0
> while B:
> I = I * 2 + int(B[0])
> B = B[1:]
Follow through the loop and see what ha
Does python provide the introspective ability to retrieve the name to
which an object is bound?
For example:
$ python3
Python 3.4.0 (default, Apr 11 2014, 13:05:18)
[GCC 4.8.2] on linux
Type "help", "copyright", "credits" or "license" for more information.
a = 69
print("Identifier <{}> is bound
On Mon, Apr 20, 2015 at 11:24 AM, Alex Kleider wrote:
> Does python provide the introspective ability to retrieve the name to which
> an object is bound?
>
> For example:
> $ python3
> Python 3.4.0 (default, Apr 11 2014, 13:05:18)
> [GCC 4.8.2] on linux
> Type "help", "copyright", "credits" or "li
On 20/04/15 13:59, niyana morgan wrote:
I don't understand how to do this. I attempted with my code and hoped a
tutor could help me with this
Always write code that runs. Then fix the mistakes as they
happen. That way you only have a few lines of code to look
at. Your code is far too big and in
On 20/04/15 08:44, Jim Mooney wrote:
I can't seem to get my head around this 'simple' book example of
binary-to-decimal conversion, which goes from left to right:
B = '11011101'
I = 0
while B:
I = I * 2 + int(B[0])
B = B[1:]
...
Both methods work but I just can't see how the first on
On 20/04/15 09:54, Mahesh Chiramure wrote:
I liked the addon "Picture-flasher" written for anki very much
and I was wondering if the same thing could be done with mp3 and/or
flac files.
Probably, but I (and probably most of the list) have no idea what anki
is or what the addon does. This is a
On 2015-04-20 09:15, Joel Goldstick wrote:
On Mon, Apr 20, 2015 at 11:24 AM, Alex Kleider
wrote:
Does python provide the introspective ability to retrieve the name to
which
an object is bound?
For example:
$ python3
Python 3.4.0 (default, Apr 11 2014, 13:05:18)
[GCC 4.8.2] on linux
Type "help
On 2015-04-20 09:21, Alan Gauld wrote:
On 20/04/15 08:44, Jim Mooney wrote:
I can't seem to get my head around this 'simple' book example of
binary-to-decimal conversion, which goes from left to right:
B = '11011101'
I = 0
while B:
I = I * 2 + int(B[0])
B = B[1:]
...
Both methods wo
On Mon, Apr 20, 2015 at 11:21 AM, Alan Gauld wrote:
>>
>> B = '11011101'
>> I = 0
>> while B:
>> I = I * 2 + int(B[0])
>> B = B[1:]
>
>> Both methods work but I just can't see how the first one does.
>
> The key is that the result gets multiplied by 2 each time
> so for an N bit number t
On 20/04/15 17:58, Alex Kleider wrote:
The key is that the result gets multiplied by 2 each time
so for an N bit number the leftmost digit winds up being
effectively 2**N, which is what you want.
Shouldn't that be 2**(N-1)?
Yes, sorry.
--
Alan G
Author of the Learn to Program web site
http
On Mon, Apr 20, 2015 at 08:24:42AM -0700, Alex Kleider wrote:
> Does python provide the introspective ability to retrieve the name to
> which an object is bound?
Short answer: no.
Slightly longer answer: it *may* be possible if you dig deep into the
debugger API that you might find something wh
On 20/04/15 17:55, Alex Kleider wrote:
locals()
{'a': 3, 'c': 3, 'b': 6, '__builtins__': , '__package__': None, '__name__': '__main__', '__doc__':
None}
Showing my desired use case might make my question more understandable:
def debug(var_name):
if args["--debug"]:
print("Ident
Alex Kleider wrote:
> On 2015-04-20 09:15, Joel Goldstick wrote:
>> On Mon, Apr 20, 2015 at 11:24 AM, Alex Kleider
>> wrote:
>>> Does python provide the introspective ability to retrieve the name to
>>> which
>>> an object is bound?
>>>
>>> For example:
>>> $ python3
>>> Python 3.4.0 (default, A
Hi,
My Raspberry Pi 2 comes with Python 3.2 (and 2.7). I run some code that uses
the datetime module but I get an error:
"AttributeError: 'datetime.datetime' object has no attribute 'timestamp'". On
https://docs.python.org/3/whatsnew/3.3.html I see: "New
datetime.datetime.timestamp() method: R
Jim Mooney writes:
> I should have known to simply try importing csv.
Better: You should now know to refer to the documentation
https://docs.python.org/3/library/>.
--
\ “Speech is conveniently located midway between thought and |
`\action, where it often substitutes for bo
Alex Kleider writes:
> Does python provide the introspective ability to retrieve the name to
> which an object is bound?
Objects aren't bound to names. So, no.
The binding from a reference (a name is a reference) to objects is
one-way.
See this excellent presentation from PyCon US 2015 by Ned
Jim Mooney writes:
> I can't seem to get my head around this 'simple' book example of
> binary-to-decimal conversion, which goes from left to right:
>
> B = '11011101'
> I = 0
> while B:
> I = I * 2 + int(B[0])
> B = B[1:]
>
> print(I)
> >>> 221
That is, IMO, a needlessly confusing way t
The key is that the result gets multiplied by 2 each time
> so for an N bit number the leftmost digit winds up being
> effectively 2**N, which is what you want.
>
> Alan G
Ah, the light dawns once it was restated. It would be even simpler if you
could multiply each element of the binary numbe
On 04/20/2015 04:15 PM, Jim Mooney wrote:
The key is that the result gets multiplied by 2 each time
so for an N bit number the leftmost digit winds up being
effectively 2**N, which is what you want.
Alan G
Ah, the light dawns once it was restated. It would be even simpler if you
could
On Mon, Apr 20, 2015 at 2:10 AM, Alan Gauld wrote:
> On 20/04/15 04:34, boB Stepp wrote:
>
>> So, how do I:
>> 1) Check for the existence of an already open window from a previous
>> running of the script?
>> 2) If such a window exists, how do I close it from the new script
>> execution? And, then
On 2015-04-20 13:24, Ben Finney wrote:
Alex Kleider writes:
Does python provide the introspective ability to retrieve the name to
which an object is bound?
Objects aren't bound to names. So, no.
The binding from a reference (a name is a reference) to objects is
one-way.
See this excellent
What's supposed to happen in this situation?
##
class Person(object):
def __init__(self): pass
j = Person()
john = j
jack = j
##
What single name should we get back from the single Person object
here? "j", "joh
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