On Sat, Sep 5, 2009 at 10:21 AM, kevin parks wrote:
>
> Then what you would want to do is map the data to the nearest value no?
I guess it all depends on your desired level of precision!
> For this particular hack, I am mostly getting useful values in the range
> 30-85, so I am filtering out
Dirk Wangsadirdja wrote:
Hi allen (and perhaps this goes also for others),
just a suggestion, maybe when we post a problem, we should also mention
the python version that we use.
Every new subscribers to the tutor mailing list are sent an email that
contains this:
"""
Finally, when you do
> ruby on the other is more 'implicit,' used more in web-apps (via ROR),
> emphasizes code-readability/beauty, and is more flexible (i.e. has more than
> one way of doing something).
You mean people actually like ruby's syntax? I think Python's the prettiest
language I've worked with syntacticall
"Douglas Philips" wrote in message
news:9ee00578-6af7-4c6c-9968-af5f25a00...@mac.com...
On 2009 Sep 5, at 12:22 PM, Mark Tolonen wrote:
As a list comp:
L=range(30,41)
[{38:34,40:39}.get(n,n) for n in L]
[30, 31, 32, 33, 34, 35, 36, 37, 34, 39, 39]
True, that is terse, but IMHO has maint
Yeah the list seems flaky at the moment. Additionally, my query is an
incredibly stupid one. But what you have works and represents an
improvement over the unreadable kludge I was doing. Thanks to all who
responded.
cheers,
k
On Sep 6, 2009, at 12:26 AM, Douglas Philips wrote:
On or ab
I can think of about 80 billion reasons why you would encounter data
outside your grid, esp. if you aren't the original producer of the
data. Imagine you are mapping something to color (RGB values) or you
are doing a signification of volcanic activity or the big bang or the
earth's magnetic
1. go to the book store
2. pull a copy of learning ruby by Michael Fitzgerald (ora.com)
3. pull a copy of learning python by Mark Lutz (ora.com)
4. read chapter 1 of each
5. make a decision
6. get to work
Alternately check comp.lang.python where this question comes up over
and over and over a
1) Please don't hijack a post then change the subject. That screws
things up for email clients that track threads. I have started a new
thread with this reply.
2) Be sure to reply-all so a copy goes to the list.
[SNIP]
I want to be able to look at a number/item and see which lists it is in
s
kevin parks wrote:
I am
doing some simple things with sets and so far have had a lot of
success with python's built-in sets, which is such a great new(ish)
"batteries included" type python data type.
[snip] [snip] -- [snip] [snip]
--
#!/usr/bin/env
On 2009 Sep 5, at 12:22 PM, Mark Tolonen wrote:
As a list comp:
L=range(30,41)
[{38:34,40:39}.get(n,n) for n in L]
[30, 31, 32, 33, 34, 35, 36, 37, 34, 39, 39]
True, that is terse, but IMHO has maintainability issues. The mapping
data structure and the method of transformation (.get()) ar
"Douglas Philips" wrote in message
news:6a3250c7-31b6-4958-8e0a-f538989ed...@mac.com...
On or about 2009 Sep 5, at 10:45 AM, Martin A. Brown indited:
Have you discovered the map() builtin yet?
I would imagine that others on this list will have some even more
elegant and efficient solutions f
On or about 2009 Sep 5, at 10:45 AM, Martin A. Brown indited:
Have you discovered the map() builtin yet?
I would imagine that others on this list will have some even more
elegant and efficient solutions for you, but here's a possibility:
def filt_seq( thing ):
if thing == 38:
thing = t
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
: I am doing some data massage, minor mapping and filtering really
: and i find that i have a lot of this kind of kludgy code:
:
: # -- -
: def filt_seq(inseq):
: out_list = []
: for item in inseq:
:
oooh that will be helpful, kindly point me to how i can begin with getting
a sub-image that has the same width as the
original. That will be my starting point.
Regards
Johnson
On Fri, Sep 4, 2009 at 3:56 PM, Kent Johnson wrote:
> On Thu, Sep 3, 2009 at 6:01 PM, Jojo Mwebaze
> wrote:
> > t
To all good friends,
Wonderful, within just a short time, I have received many new things
about python from this list. Thank you so much for all responses; they
are really useful, shorten my learning time.
---
Best regards,
Upa
___
Tutor maillist -
On Fri, Sep 4, 2009 at 12:31 PM, kevin parks wrote:
> I am doing some data massage, minor mapping and filtering really and i find
> that i have a lot of this kind of kludgy code:
>
> To do some basic jiggering of some out of range off grid data.
>
> There has to be a better, more elegant, more f
Hello Upasara!
On Saturday 05 September 2009, upasara wulung wrote:
> (1) In a certain working folder, I produced simple python file, for
> an example, hello.py, which is free of error.
> (2) I called python from the same working folder using command
> 'python' (3) In the python shell, I executed:
I am doing some simple things with sets and so far have had a lot of
success with python's built-in sets, which is such a great new(ish)
"batteries included" type python data type.
[snip] [snip] -- [snip] [snip]
--
#!/usr/bin/env python
def test(
I am doing some data massage, minor mapping and filtering really and i
find that i have a lot of this kind of kludgy code:
# -- -
def filt_seq(inseq):
out_list = []
for item in inseq:
# 38 needs to be mapped on to 34 as we don't have a 38
> I think you will get at the least a slight bias toward Python. However,
> I think you should do your own research and reach your own conclusions.
> Simply to get you started I put the following into Google: 'Python or
> Ruby: Which to learn' and got more than 1M hits.
> Best of luck.
> Robert
The Tutorial Committee for PyCon 2010 in Atlanta is now accepting proposals
for classes. This year will feature 2 days of classes prior to the
"official" conference. These classes are 3-hour long sessions concentrating
on specific Python packages or techniques and are taught by some of the
smarte
"upasara wulung" wrote
Wish you would not mind a really beginner question.
Thats what we are here for! :-)
I am trying to use 'run' command, but didnot success yet.
Thats because it does not exist in Python.
How I did it:
(1) In a certain working folder, I produced simple python file,
Please always put a meaningful subject line in when you post.
wrote in message
I know, I'm a total noob (started yester day)
But when I enter this code:
x = 1
if x>0:
??? a = raw_input ("Type something in...I will echo it:")
??? print a
??? x=x+1
it does not loop..am I missing something here
"upasara wulung" wrote:
(1) In a certain working folder, I produced simple python file, for an
example, hello.py, which is free of error.
(2) I called python from the same working folder using command 'python'
(3) In the python shell, I executed: >>> run hello.py
But I got only an error message
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