On Friday, 30 October 2009 17:28:47 MRAB wrote:
> Wouldn't it be clearer if they were called dromedaryCase and
> BactrianCase? :-)
Ogden Nash:
The Camel has a single hump-
The Dromedary, two;
Or the other way around-
I'm never sure. - Are You?
- Hendrik
--
http://mail.python.org/mailman/list
On Monday, 19 October 2009 09:43:15 Steven D'Aprano wrote:
> On Mon, 19 Oct 2009 08:51:44 +0200, Hendrik van Rooyen wrote:
> > The point I was trying to make
> > subliminally, was that there is a relative cost of double lookup for all
> > cases versus exceptions for some
On Sunday, 18 October 2009 11:31:19 Paul Rubin wrote:
> Hendrik van Rooyen writes:
> > Standard Python idiom:
> >
> > if key in d:
> > d[key] += value
> > else:
> > d[key] = value
>
> The issue is that uses two lookups. If that's ok, the mor
On Saturday, 17 October 2009 16:30:55 Aahz wrote:
> In article ,
>
> Tim Rowe wrote:
> >The point is that an exception causes a change in program flow, so of
> >course they're used for flow control. It's what they do. The question
> >is in what cases it's appropriate to use them.
>
> Standard Pyt
On Tuesday, 13 October 2009 17:22:55 Janto Dreijer wrote:
> I'm looking for code that will calculate the running median of a
> sequence, efficiently. (I'm trying to subtract the running median from
> a signal to correct for gradual drift).
>
> My naive attempt (taking the median of a sliding window
On Tuesday, 13 October 2009 11:42:03 jacopo wrote:
>
> Background:
> I have a main machine dispatching heavy calculations to different
> machines, collecting the results, performing some calculation on the
> merged results and starting all over again with fresher data. I
> implemented a first solut
On Sunday, 11 October 2009 02:24:34 Stephen Hansen wrote:
> It's really better all around for "modules" to be considered like
> libraries, that live over There, and aren't normally executed. Then you
> have scripts over Here which may just be tiny and import a module and call
> that module's "main
On Saturday, 10 October 2009 22:15:21 kj wrote:
> I'm coaching a group of biologists on basic Python scripting. One
> of my charges mentioned that he had come across the advice never
> to use loops beginning with "while True". Of course, that's one
> way to start an infinite loop, but this seems
On Thursday, 8 October 2009 18:41:31 Dr. Phillip M. Feldman wrote:
> I currently have a function that uses a list internally but then returns
> the list items as separate return
> values as follows:
>
> if len(result)==1: return result[0]
> if len(result)==2: return result[0], result[1]
>
> (and so
On Thursday, 8 October 2009 13:24:14 Christian Heimes wrote:
> Laszlo Nagy wrote:
> > But really thread.start_new_thread is better:
> >
> > import thread.start_new_thread as thr
> >
> > thr(my_function,arg1,arg2)
>
> Please don't use the thread module directly, especially the
> start_new_thread fun
On Thursday, 8 October 2009 00:40:42 J Wolfe wrote:
> What's the best way to make a realtime loop in Tkinter? I know in
> perl you can use "repeat" and it will call a function every x seconds,
> in python it seems like "after" may be the equivalent though it
> doesn't seem to behave like the perl
On Monday, 5 October 2009 00:05:21 Manowar wrote:
> I am new to pyton and have asked this question several times the
> answer is always not sure.
> Here is my question sekeltal animation ( bone animation) is it
> possible with python? What i want to develop is an aquarium in
> realtime, skeletal an
On Sunday, 4 October 2009 08:14:08 horos11 wrote:
> Saying that 'whoa, this coding error should be handled by naming
> convention' may be the only practical way of getting around this
> limitation, but it is a limitation nonetheless, and a pretty big one.
You misunderstand the dynamic nature of p
On Thursday, 1 October 2009 00:27:02 Rhodri James wrote:
> I was going to say, you want 256 bytes of RAM, you profligate
> so-and-so? Here, have 32 bytes of data space and stop your
> whining :-)
My multi tasking is coming on nicely, but I am struggling a bit with the
garbage collection. The T
On Wednesday, 30 September 2009 09:46:38 Paul Rubin wrote:
> Getting away from python in the opposite direction, if you click
>
>http://cufp.galois.com/2008/schedule.html
>
> the second presentation "Controlling Hybrid Vehicles with Haskell"
> might interest you. Basically it's about a high l
On Wednesday, 30 September 2009 04:16:45 Grant Edwards wrote:
> Assembler macros are indeed a lost art. Back in the day, I
> remember seeing some pretty impressive macro libraries layered
> 2-3 deep. I've done assember macros as recently as about 2-3
> years go because it was the easiest way to
On Tuesday, 29 September 2009 20:24:53 Mars creature wrote:
> >From the link Gregor posted, it seems no way to share variable between
>
> modules.
>
> I can understand the point that global variables tends to mess up
> programs.
>
> Assume that I have 10 parameters need to pass to the function. If
On Monday, 28 September 2009 16:44:48 Grant Edwards wrote:
> $10 is pretty expensive for a lot of applications. I bet that
> processor also uses a lot of power and takes up a lot of board
> space. If you've only got $2-$3 in the money budget, 200uA at
> 1.8V in the power budget, and 6mm X 6mm of
On Tuesday, 29 September 2009 11:03:17 Tim Chase wrote:
> I think Steven may be remembering the conversation here on c.l.p
> a month or two back where folks were asking to turn os.listdir()
> into an iterator (or create an os.xlistdir() or os.iterdir()
> function) because directories with lots of
On Monday, 28 September 2009 18:54:09 Scott wrote:
> I am new to Python but I have studied hard and written a fairly big
> (to me) script/program. I have solved all of my problems by Googling
> but this one has got me stumped.
>
> I want to check a string for a substring and if it exists I want to
On Saturday, 26 September 2009 16:55:30 Grant Edwards wrote:
> On 2009-09-26, Dave Angel wrote:
> > Actually even 64k looked pretty good, compared to the 1.5k of
> > RAM and 2k of PROM for one of my projects, a navigation system
> > for shipboard use.
>
> I've worked on projects as recently as the
On Friday, 25 September 2009 19:11:06 Torsten Mohr wrote:
> I'd like to use a nested structure in memory that consists
> of dict()s and list()s, list entries can be dict()s, other list()s,
> dict entries can be list()s or other dict()s.
>
> The lists and dicts can also contain int, float, string,
On Thursday, 24 September 2009 15:42:36 Antoine Pitrou wrote:
> Grant Edwards invalid.invalid> writes:
> > Back when I worked on one of the first hand-held cellular
> > mobile phones, it used co-routines where the number of
> > coroutines was fixed at 2 (one for each register set in a Z80
> > CPU)
On Monday, 21 September 2009 22:50:31 daggerdvm wrote:
> carl banks.you are a dork
No mister_do_my_homework, he is not.
He is actually a respected member
of this little community.
You, however, are beginning to look like one.
Why do you not come clean - tell us what you are doing,
sho
On Sunday 20 September 2009 03:59:21 Peng Yu wrote:
> I know that strings or numbers are immutable when they passed as
> arguments to functions. But there are cases that I may want to change
> them in a function and propagate the effects outside the function. I
> could wrap them in a class, which
On Saturday 19 September 2009 09:12:34 greg wrote:
> From my own experience, I know that it's possible for me to
> think about things that I don't have a word for. An example
> occured once when I was developing a 3D game engine, and
> I was trying to think of a name for the thing that exists
> w
On Friday 18 September 2009 06:39:57 Dennis Lee Bieber wrote:
> A one-eyed, one-horned, flying purple people eater?
>
> {Which brings up the confusing question... Is the eater purple, or does
> it eat purple people (which is why it is so rare... it only eats people
> caught in the last stage
On Thursday 17 September 2009 15:29:38 Tim Rowe wrote:
> There are good reasons for it falling out of favour, though. At the
> time of the Sapir-Whorf hypothesis, anthropologists were arguing that
> members of a certain remote tribe did not experience grief on the
> death of a child because their
On Thursday 17 September 2009 12:57:18 Carl Banks wrote:
> On Sep 17, 2:18 am, Hendrik van Rooyen
>
> wrote:
>
> When running min or max on a list of ints, there is probably no
> occasion for the function to release the GIL. If a thread doesn't
> release the GIL no ot
On Thursday 17 September 2009 06:33:05 Steven D'Aprano wrote:
> I have two threads, one running min() and the other running max() over
> the same list. I'm getting some mysterious results which I'm having
> trouble debugging. Are min() and max() thread-safe, or am I doing
> something fundamentally
>From a private email, forwarded to the list:
-- Forwarded Message --
Subject: Re: How to improve this code?
Date: Tuesday 15 September 2009
From: Oltmans
To: hend...@microcorp.co.za
On Sep 15, 1:13 pm, Hendrik van Rooyen
wrote:
>
> (i) a True if All the elements
On Tuesday 15 September 2009 19:04:10 r wrote:
> On Sep 15, 4:12 am, Hendrik van Rooyen
> wrote:
> (snip)
>
> > When a language lacks a word for a concept like "window", then (I
> > believe :-) ), it kind of puts a crimp in the style of thinking that a
> &
On Tuesday 15 September 2009 18:22:30 Christopher Culver wrote:
> Hendrik van Rooyen writes:
> > 2) Is about as useful as stating that any Turing complete language and
> > processor pair is capable of solving any computable problem, given enough
> > time. So why are we n
On Tuesday 15 September 2009 14:50:11 Xavier Ho wrote:
> On Tue, Sep 15, 2009 at 10:31 PM, Ulrich Eckhardt
>
> wrote:
> > "'abc'.split('')" gives me a "ValueError: empty separator".
> > However, "''.join(['a', 'b', 'c'])" gives me "'abc'".
> >
> > Why this asymmetry? I was under the impression that
On Monday 14 September 2009 14:06:36 Christopher Culver wrote:
> This is the old Sapir-Whorf hypothesis, which fell out of favour among
> linguists half a century ago already. 1) Language does not constrain
> human thought, and 2) any two human languages are both capable of
> expressing the same t
On Tuesday 15 September 2009 04:43:46 bouncy...@gmail.com wrote:
> I was wondering if anyone had actually designed their programming text
> around incremental parts of a project and then taken the results of the
> project at each chapter and created something of value. specifically in
> referwnce t
On Tuesday 15 September 2009 03:08:59 Oltmans wrote:
> match=[1,2,3,4,5]
>
> def elementsPresent(aList):
> result=False
> if not aList:
> return False
> for e in aList:
> if e in match:
> result=True
> else:
>
On Monday 14 September 2009 03:43:19 Peng Yu wrote:
> Hi,
>
> I try the following code. I don't quite understand why __main__ is not
> defined. Could somebody let me know what I am wrong about it?
>
> Regards,
> Peng
>
> $ cat test.py
> #!/usr/bin/env python
>
> if __main__ == '__main__' :
> prin
On Sunday 13 September 2009 05:37:01 Peng Yu wrote:
> Hi,
>
> I want to define a function without anything in it body. In C++, I can
> do something like the following because I can use "{}" to denote an
> empty function body. Since python use indentation, I am not sure how
> to do it. Can somebody
On Saturday 12 September 2009 22:39:10 Peng Yu wrote:
> Hi,
>
> I have see some discussion on the implementation of finite state
> machine in python. Can somebody point to me the best way in implenting
> an FSM in python?
>
> http://code.activestate.com/recipes/146262/
You can go a long way with a
On Saturday 12 September 2009 06:57:26 Tim Roberts wrote:
> chen tao wrote:
> > I have several buttons, I want to realize: when I click first
> >button, the button will call a function, and the function should
> >return some parameter value, because I need this value for the other
> >buttons.
On Friday 11 September 2009 09:53:56 eb303 wrote:
> On Sep 11, 9:14 am, Hendrik van Rooyen
> wrote:
> > look for widget.focus_force()
> > and look for widget.grab_set_global()
>
> Doesn't work. BTW, forcing the focus or setting the grab globally are
> usually cons
On Thursday 10 September 2009 18:19:09 Joshua Bronson wrote:
> True, but it'll still be a lot less painful for me to test my app if I
> can get it to steal focus
> when launched from the command line. If anyone knows how to do this in
> Tkinter, help would be much appreciated.
>
look for widget.f
On Tuesday 08 September 2009 17:22:30 Maggie wrote:
> My code is supposed to enumerate each line of file (1, 2, 3...) and
> write the new version into the output file --
>
> #!/usr/bin/python
>
> import os.path
> import csv
> import sys
>
> #name of output file
> filename = "OUTPUT.txt"
>
>
> #open
On Monday 07 September 2009 20:26:02 John Nagle wrote:
> Right. Tracking mutablity and ownership all the way down without
> making the language either restrictive or slow is tough.
>
> In multi-thread programs, though, somebody has to be clear on who owns
> what. I'm trying to figure out
On Saturday 05 September 2009 12:07:59 Paolo Crosetto wrote:
8<---
>
> The problem I now face is to organise turns. Players, as in Scrabble, will
> play in turns. So far I have developed the server and ONE client, and
> cannot get my head round to - nor
On Thursday 03 September 2009 21:07:21 Nigel Rantor wrote:
> That is not the challenge, that's the easy part. The challenge is
> getting useful information out of a system that has only been fed
> immutable objects.
Is it really that difficult? (completely speculative):
class MyAnswer(object):
On Thursday 03 September 2009 07:10:37 Helvin wrote:
> Hi,
>
> I have come across this very strange behaviour. Check this code:
>
> if file_str.find('Geometry'):
> #if file_str.endswith('Data_Input_Geometry.txt'):
> print 'I found geometry'
> elif file_str.find('
On Wednesday 02 September 2009 09:38:20 elsa wrote:
>
> in my own defense - firstly, I was able to implement what I wanted to
> do with loops, and I used this to solve the problem I needed to.
My rant was not intended as a personal attack - far from it - if all the
people on this list were to po
On Wednesday 02 September 2009 08:52:55 Gabriel Genellina wrote:
> En Tue, 01 Sep 2009 19:49:57 -0300, r escribió:
> > On Sep 1, 1:52 pm, Hyuga wrote:
> > (snip)
> >
> >> I'd say don't feel the troll, but too late for that I guess.
> >
> > The only trolls in this thread are you and the others w
On Wednesday 02 September 2009 05:57:02 Shan wrote:
> I have XML RPC Server listening on a port. This XML RPC Server works
> fine when i run it as foreground process. All the clients are able to
> connect with the XML RPC Server. But when i run it as daemon(not using
> &. I am doing it in python wa
On Tuesday 01 September 2009 11:32:29 Steven D'Aprano wrote:
> Possibly there is a way to have a thread halt itself after a certain
> amount of time? I'm not an expert on threads, I've hardly ever used them.
Not automagically, as far as I can see.
You are on your own if you want to somehow kill a
On Monday 31 August 2009 11:31:34 Piet van Oostrum wrote:
> But ultimately it is also very much a matter of taste, preference and
> habit.
This is true, but there is another reason that I posted - I have noticed that
there seems to be a tendency amongst newcomers to the group to go to great
len
On Monday 31 August 2009 06:55:52 elsa wrote:
8< - map question
>
> (Ultimately, I want to call myFunc(myList[0], 'booHoo'), myFunc(myList
> [1], 'booHoo'), myFunc(myList[2], 'booHoo') etc. However, I might want
> to call myFunc(myList[0], 'woo'), myFunc(myLis
On Sunday 30 August 2009 22:46:49 Dennis Lee Bieber wrote:
> Rather elitist viewpoint... Why don't we just drop nukes on some 60%
> of populated landmasses that don't have a "western" culture and avoid
> the whole problem?
Now yer talking, boyo! It will surely help with the basic problem w
On Monday 24 August 2009 16:14:25 Derek Martin wrote:
> In fact, now that I think of it...
>
> I just looked at some old school papers I had tucked away in a family
> album. I'm quite sure that in grammar school, I was tought to use a
> date format of 8/9/79, without leading zeros. I can't prove
On Sunday 30 August 2009 15:37:19 r wrote:
> What makes you think that diversity is lost with a single language?
I am quite sure of this - it goes deeper than mere regional differences - your
first language forms the way you think - and if we all get taught the same
language, then on a very f
On Sunday 30 August 2009 02:20:47 John Machin wrote:
> On Aug 30, 8:46 am, r wrote:
> > Take for instance the Chinese language with it's thousands of
> > characters and BS, it's more of an art than a language. Why do we
> > need such complicated languages in this day and time. Many languages
> >
On Saturday 29 August 2009 09:54:15 Sortie wrote:
> I want to write a program that will use ode for the physics
> simulation, whose python bindings are outdated. So I'm writing
> the physics engine in C and want to write the drawing code in
> Python. What will be the best way of making those two pr
On Saturday 29 August 2009 02:14:39 Tim Chase wrote:
> I've also been sorely disappointed by Python's ability to make a
> good chocolate cream silk pie.
This is not pythons fault - it is yours, for failing to collaborate with a
good hardware designer for the robotics.
- Hendrik
--
http://mail
On Friday 28 August 2009 21:00:31 Dr. Phillip M. Feldman wrote:
> In [21]: x
> Out[21]: [1, 2, 3, 5]
>
> In [22]: x>6
> Out[22]: True
>
> Is this a bug?
No, it is a feature, so that you can use sorted on this:
[[1,2,3,4,5],6]
- Hendrik
--
http://mail.python.org/mailman/listinfo/python-list
On Friday 28 August 2009 00:42:16 Esben von Buchwald wrote:
> OK, now things starts to make sense.
>
> You tell me to do something like this?
>
>
> def doCallback(self):
> if self.process_busy==False:
> self.process_busy=True
> self.at.after(0.01,self.data_c
On Thursday 27 August 2009 22:57:44 Terry Reedy wrote:
> > Nope. I got a duplicate sent to my mailbox, which I hate.
>
> In particular, because there is no indication that it is an exact
> duplicate of what I will also find on the list itself. Please use reply
> instead of reply-all.
If I do tha
On Thursday 27 August 2009 16:50:16 Carl Banks wrote:
> On Aug 27, 7:25 am, Hendrik van Rooyen
> wrote:
> > Its not too bad - if you crook a bit - the trick is that you iterate over
> > the list backwards when you are removing stuff based on index, so that
> > the remain
On Thursday 27 August 2009 15:26:04 Carl Banks wrote:
> Deleting items from a list while iterating over it is a bad idea,
> exceptions or not.
>
> Hmm, this sounds like something someone might do for a game. You have
> a list of objects, and in a given time step you have to iterate
> through the
On Thursday 27 August 2009 11:31:41 Steven D'Aprano wrote:
>
> What you are calculating might actually be quite complicated to enter as
> a literal. You might have something like:
8< -- Complicated Table Example ---
Me? - never! I am just an assembler program
On Thursday 27 August 2009 11:14:41 Steven D'Aprano wrote:
> On Thu, 27 Aug 2009 08:38:29 +0200, Hendrik van Rooyen wrote:
> > On Wednesday 26 August 2009 17:14:27 kj wrote:
> >> As I described at length in another reply, the function in question is
> >> not inte
On Wednesday 26 August 2009 22:47:23 David C Ullrich wrote:
> That's great. But do you know of anything I can use as a
> visual form design tool in wxPython?
Boa Constructor
- Hendrik
--
http://mail.python.org/mailman/listinfo/python-list
On Wednesday 26 August 2009 22:06:01 Esben von Buchwald wrote:
>
> I don't really get it...
>
> I can see that I should put a t.after(...) around the function that does
> the work, when calling it. That delays each call for the given period. I
> just tried it out, the console keeps saying
> --
On Wednesday 26 August 2009 17:45:54 kj wrote:
> In <02a54597$0$20629$c3e8...@news.astraweb.com> Steven D'Aprano
writes:
> >Why are you defining a method without a self parameter?
>
> Because, as I've explained elsewhere, it is not a method: it's a
> "helper" function, meant to be called only on
On Wednesday 26 August 2009 17:14:27 kj wrote:
> As I described at length in another reply, the function in question
> is not intended to be "callable outside the class". And yes,
I think this might go to nub of your problem - It might help you to think as
follows:
A Python class, even after
On Tuesday 25 August 2009 21:32:09 Aahz wrote:
> In article ,
>
> Hendrik van Rooyen wrote:
> >On Friday 21 August 2009 08:07:18 josef wrote:
> >> My main focus of this post is: "How do I find and use object reference
> >> memory locations?"
> >&
On Tuesday 25 August 2009 15:21:16 Esben von Buchwald wrote:
> Dennis Lee Bieber wrote:
> > On Mon, 24 Aug 2009 17:32:23 +0200, Esben von Buchwald
> > declaimed the following in
> >
> > gmane.comp.python.general:
> >> I'm new to python, what is an after function and an after call? Couldn't
> >> fi
On Monday 24 August 2009 17:32:23 Esben von Buchwald wrote:
> Hendrik van Rooyen wrote:
8< -- some stuff about an "after" call --
>
> I'm new to python, what is an after function and an after call? Couldn't
> find excact answ
On Monday 24 August 2009 02:14:24 Esben von Buchwald wrote:
> Hello
>
> I'm using Python for S60 1.9.7 on my Nokia phone.
>
> I've made a program that gets input from an accelerometer sensor, and
> then calculates some stuff and displays the result.
>
> The sensor framework API does a callback to a
On Monday 24 August 2009 01:04:37 bartc wrote:
> That's a neat idea. But an even simpler scheme might be:
>
> .octal.100
> .decimal.100
> .hex.100
> .binary.100
> .trinary.100
>
> until it gets to this anyway:
>
> .thiryseximal.100
Yeah right. So now I first have to type a string, which probably
On Saturday 22 August 2009 16:49:22 Aahz wrote:
> In article ,
>
> Esmail wrote:
> >What is your favorite tool to help you debug your code? I've been
> >getting along with 'print' statements but that is getting old and
> >somewhat cumbersome.
>
> Despite the fact that I've been using Python for m
On Thursday 20 August 2009 07:31:14 Steven Woody wrote:
> Hi,
> Any python program, even that does absolutely nothing in the code, will
> cause a blank line printed out when the program exit. What's the reason?
not for me:
h...@linuxbox:~/Sasol/lib> cat blank.py
h...@linuxbox:~/Sasol/lib> pytho
On Friday 21 August 2009 08:07:18 josef wrote:
> My main focus of this post is: "How do I find and use object reference
> memory locations?"
>>> a = [1,2,3,4]
>>> id(a)
8347088
>>>
- Hendrik
--
http://mail.python.org/mailman/listinfo/python-list
On Wednesday 19 August 2009 10:13:41 Paul Rubin wrote:
> Hendrik van Rooyen writes:
> > Just use thread then and thread.start_new_thread.
> > It just works.
>
> The GIL doesn't apply to threads made like that?!
The GIL does apply - I was talking nonsense again. M
On Tuesday 18 August 2009 22:45:38 Robert Dailey wrote:
> Really, all I'm trying to do is the most trivial type of
> parallelization. Take two functions, execute them in parallel. This
> type of parallelization is called "embarrassingly parallel", and is
> the simplest form. There are no dependenc
On Tuesday 18 August 2009 21:44:55 Pavel Panchekha wrote:
> I want a dictionary that will transparently "inherit" from a parent
> dictionary. So, for example:
>
> """
> a = InheritDict({1: "one", 2: "two", 4: "four"})
> b = InheritDict({3: "three", 4: "foobar"}, inherit_from=a)
>
> a[1] # "one"
> a
On Tuesday 18 August 2009 12:38:36 Ben Finney wrote:
> Hendrik van Rooyen writes:
> > On Tuesday 18 August 2009 06:45:39 Aahz wrote:
> > > Mainly an opportunity to flog the new diversity list.
> >
> > Here my English fails me - flog as in "whip", or flog a
On Tuesday 18 August 2009 06:45:39 Aahz wrote:
> In article ,
>
> Steven D'Aprano wrote:
> >The comments were made a week ago -- why the sudden flurry of attention?
>
> Mainly an opportunity to flog the new diversity list.
Here my English fails me - flog as in "whip", or flog as in "sell"?
- He
On Monday 17 August 2009 23:06:04 Carl Banks wrote:
> On Aug 17, 10:03 am, Jean-Michel Pichavant
>
> wrote:
> > I'm no English native, but I already heard women/men referring to a
> > group as "guys", no matter that group gender configuration. It's even
> > used for group composed exclusively of w
On Monday 17 August 2009 07:59:02 l...@d@n wrote:
> Which is the best GUI interface builder with drag and drop
> capabilities.
> I am using Ubuntu GNU/Linux.
> Please help me.
> Thank you.
Have a look at Boa Constructor.
- Hendrik
--
http://mail.python.org/mailman/listinfo/python-list
On Sunday 16 August 2009 15:55:31 Grant Edwards wrote:
> On 2009-08-15, Hendrik van Rooyen wrote:
> > I am still confused about pyserial and serial - I found serial
> > in my distribution library, (on the SuSe machine, not on the
> > 2.5 in Slackware) but I had to download
On Sunday 16 August 2009 12:18:11 Steven D'Aprano wrote:
> In any case, after half a century of left-from-right assignment, I think
> it's worth the experiment in a teaching language or three to try it the
> other way. The closest to this I know of is the family of languages
> derived from Apple's
On Sunday 16 August 2009 08:20:34 John Nagle wrote:
> Hendrik van Rooyen wrote:
> > On Saturday 15 August 2009 14:40:35 Michael Ströder wrote:
> >> Hendrik van Rooyen wrote:
> >>> In the past, on this group, I have made statements that said that on
> >>&g
>"Steven D'Aprano" wrote:
>Now that I understand what the semantics of cout << "Hello world" are, I
>don't have any problem with it either. It is a bit weird, "Hello world"
>>> cout would probably be better, but it's hardly the strangest design in
>any programming language, and it's probably
On Saturday 15 August 2009 16:25:03 Grant Edwards wrote:
>
> Are you using python file operations open/read/write or OS
> file-descriptor operations os.open/os.read/os.write?
The former - that seems to be the source of my trouble.
I have now written a little test that uses serial.Serial and it w
On Saturday 15 August 2009 14:40:35 Michael Ströder wrote:
> Hendrik van Rooyen wrote:
> > In the past, on this group, I have made statements that said that on
> > Linux, the serial port handling somehow does not allow transmitting and
> > receiving at the same time, and n
On Saturday 15 August 2009 04:03:42 Terry Reedy wrote:
> greg wrote:
> > You can't read and write with the same stdio file object
> > at the same time. Odd things tend to happen if you try.
>
> I believe the C standard specifies that the behavior of mixed reads and
> writes is undefined without int
On Saturday 15 August 2009 03:25:45 Dr. Phillip M. Feldman wrote:
> It seems as though Python is actually expanding range(2,n) into a list of
> numbers, even though this is incredibly wasteful of memory. There should be
> a looping mechanism that generates the index variable values incrementally
>
On Friday 14 August 2009 18:25:50 kk wrote:
> As far as robustness, I agree with your assestment. I guess my main
> confusion with my result is that the console window just disappears. I
> wonder if I can make the window stay even if it crashesor if there are
> connection issues? I will createa s
On Friday 14 August 2009 18:11:52 Steven D'Aprano wrote:
> On Fri, 14 Aug 2009 07:07:31 -0700, Aahz wrote:
> > "I saw `cout' being shifted "Hello world" times to the left and stopped
> > right there." --Steve Gonedes
>
> Assuming that's something real, and not invented for humour, I presume
> that
On Friday 14 August 2009 16:28:26 Grant Edwards wrote:
> On 2009-08-14, greg wrote:
> > Hendrik van Rooyen wrote:
8<---
> Doh! It didn't even occur to me that somebody would use python
> "file"
On Friday 14 August 2009 16:19:36 Grant Edwards wrote:
> On 2009-08-14, exar...@twistedmatrix.com wrote:
> > One strategy you might employ to get rid of the busy looping
> > is to use Twisted and its serial port support. This also
> > addresses the full- duplex issue you've raised.
>
> There are
On Friday 14 August 2009 16:03:22 Diez B. Roggisch wrote:
> You should *really* just use pyserial. No hassle, instant satisfaction.
:-) I have downloaded and had a quick look, and I see it is based on the
standard library's serial.Serial class - another battery that I have not used
before. An
On Friday 14 August 2009 16:19:04 Grant Edwards wrote:
> On 2009-08-14, Hendrik van Rooyen wrote:
> > In the meantime I have had another idea which I have also not tried yet,
> > namely to do independent opens for reading and writing, to give me two
> > file instances inste
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