Hi All,
I'm new bie to thread programming and I need some assistance in
understanding few concepts ...
I have a very simple program which runs a thread and prints a string.
import threading
class MyThread(threading.Thread):
def __init__(self, parent = None):
threading.Thread.__init_
On Wed, May 11, 2011 at 4:57 PM, vijay swaminathan wrote:
> for i in range(10):
> MyThread_Object.start()
> count = threading.activeCount()
>
> When I run this, I could see 10 thread being called. But when I print the
> active thread count it is only 2.
>
> Need some understanding
En Wed, 11 May 2011 03:57:13 -0300, vijay swaminathan
escribió:
Hi All,
I'm new bie to thread programming and I need some assistance in
understanding few concepts ...
I have a very simple program which runs a thread and prints a string.
import threading
class MyThread(threading.Thread):
On Wed, May 11, 2011 at 4:57 PM, vijay swaminathan wrote:
[...]
> 1. How the total active thread is 2?
Your threads are terminating as normal.
Without some kind of loop in your run() method
they will execute the instructions and terminate.
> 2. how do I stop a thread? does it get automatically
Hello,
some time ago, I wrote a program to eliminate undesided emails from the
server(s) and leave those which comply to certain filter criteria.
I started it when I got to know whit Python 2.3. Now a days I'd like to
spend some time to improve it, just for my interest, however it didn't
gather
I'm responding to this on-list on the assumption that this wasn't
meant to be private; apologies if you didn't intend for this to be the
case!
On Wed, May 11, 2011 at 6:38 PM, vijay swaminathan wrote:
> so If i understand correctly, once the run method of the thread is executed,
> the thread is n
Sorry. My intention was not to send out a private message. when I chose
reply to all, I was confused if this would start as a new thread. so just
did a reply..
coming back,
I have developed a GUI based on pyQT4 which has a run button. when I click
on run, it invokes a command prompt and runs a .b
On 07 May 2011 02:51:50 GMT, Steven D'Aprano
wrote:
: On Fri, 06 May 2011 14:57:21 -0700, scattered wrote:
:
: > is there any problem with
: >
: > (3) if li == []:
: >
: > ?
: >
: > Seems to work when I test it and seems to clearly test what you are
: > trying to test. The only problem migh
On 07 May 2011 02:49:53 GMT, Steven D'Aprano
wrote:
: On Fri, 06 May 2011 16:05:09 -0400, Adam Tauno Williams wrote:
:
: > I'd never accept code like "if not x" as an empty test.
:
: So much the worse for you then.
:
: The point of the "if x" idiom is that it is a polymorphic test which is
In this case, the interpretation of an arbitrary object as a boolean
is peculiar for python. An empty list is a real, existing object, and
the supposition that [] be false is counter-intuitive. It can be
learnt, and the shorthand may be powerful when it is, but it will
confuse many readers.
On
On Sat, 07 May 2011 21:57:13 -0700, Ethan Furman
wrote:
: If you're going to use a language, and use it well, you have to learn
: how that language works.
And if the world evolves around the compiler and you, that advice
suffices.
However, programming is often as much about developing ideas
On Wed, May 11, 2011 at 7:08 PM, vijay swaminathan wrote:
> Sorry. My intention was not to send out a private message. when I chose
> reply to all, I was confused if this would start as a new thread. so just
> did a reply..
No probs. If you just send your response to the list
python-list@python.o
On Wed, 11 May 2011 11:48:16 +0200, Laurent Claessens wrote:
> Once I wrote something like:
>
> def f(x=None):
> if x:
>print x
> else:
>print "I have no value"
>
>
> The caller of that function was something like f(cos(2*theta)) where
> theta come from some computations
Buen día comunidad
Hola.
El archivo adjunto es un script de blender hecho en python que sirve para
importar archivos .tmb (http://www.mediafire.com/?clmdgkymsfooddd), descargas
blender y usa el
script e importa el segundo archivo que te envio para que lo veas
(http://www.mediafire
Buen día comunidad
Hola.
El archivo adjunto es un script de blender hecho en python que sirve para
importar archivos .tmb (http://www.mediafire.com/?clmdgkymsfooddd), descargas
blender y usa el
script e importa el segundo archivo que te envio para que lo veas
(http://www.mediafire.com/?lb
I believe you are grossly oversimplifying whatever code you had. Using
the definition of f from above:
theta = math.pi/4
f(math.cos(2*theta))
6.12303176911e-17
Yes: its oversimplifued. The angle come from a normal vector of a curve
and so on In particular, I was using Sage; the compu
I believe you are grossly oversimplifying whatever code you had. Using
the definition of f from above:
theta = math.pi/4
f(math.cos(2*theta))
6.12303176911e-17
Yes: its oversimplifued. The angle come from a normal vector of a curve
and so on In particular, I was using Sage; the compu
On Wed, 11 May 2011 10:02:42 +0100, Hans Georg Schaathun wrote:
> The problem with 'if x' is that it requires a much more detailed
> understanding of python.
"Much" more detailed? Hardly.
Understanding that Python accepts any and all objects in truth-testing
concepts, and the rules thereof, is
If this is the "non-programming side of python" then maybe some of us have a
lacking definition of what "programming" is. My mechanic stilll has to
check the tire pressure and I need to update the version number in PyPI.
On May 10, 2011 12:46 PM, "rusi" wrote:
Sorry for a silly subject change:
Greg,
> Is there a straightforward way to tell distutils to merge
.py files from more than one source directory into a single
package when installing?
The Selenium Python bindings does something like that, have a look at
http://selenium.googlecode.com/svn/trunk/setup.py
The other option is to wri
On 5/10/2011 4:00 PM Dan Stromberg said...
What are your favorite backup programs written, in whole or in part, in
Python?
bup
What do you like about them?
resilient and written in python
Dislike about them?
lack of a user accessible front-end to monitor and restore
Are there any fea
On Wed, 11 May 2011 10:14:38 +0100, Hans Georg Schaathun wrote:
> In this case, the interpretation of an arbitrary object as a boolean is
> peculiar for python.
Incorrect. It is widespread among many languages. Programmers have been
writing conditional tests using arbitrary values since 1958 w
On Wed, 11 May 2011 16:04:13 +0800, TheSaint wrote:
> Now python 3.2 (and some version before) started to use byte, rather
> than text strings, almost for all data handling in compliance to
> unicode. My problem arise that my program handle text strings, so I'd
> like to rewrite the code
Before y
On Wed, 11 May 2011 11:47:42 +0100, Hans Georg Schaathun wrote:
> On Sat, 07 May 2011 21:57:13 -0700, Ethan Furman
>wrote:
> : If you're going to use a language, and use it well, you have to learn
> : how that language works.
>
> And if the world evolves around the compiler and you, that ad
On 11 May 2011 13:36:02 GMT, Steven D'Aprano
wrote:
: > In this case, the interpretation of an arbitrary object as a boolean is
: > peculiar for python.
:
: Incorrect. It is widespread among many languages. Programmers have been
: writing conditional tests using arbitrary values since 1958
On 11 May 2011 12:14:46 GMT, Steven D'Aprano
wrote:
: Not knowing that you can write "if x" instead of "if x == []" is like not
: knowing that you can write
:
: elif condition
:
: instead of
:
: else:
: if condition
My concern was with the reader and not the writer.
On Wed, 11 May 2011 11:47:42 +0100
Hans Georg Schaathun wrote:
> However, programming is often as much about developing ideas in a large
> and complex community, where perfect universal mastery of one language
> is not an option, because half the community do not normally use that
> language or ar
On Wed, 11 May 2011 15:05:45 +0100
Hans Georg Schaathun wrote:
> What could elif mean other than else: if?
If run by an elf? Who knows. You do, of course, if you have learned
the basics of the language you are using.
> if x could, for instance, mean "if x is defined".
It could also mean "if
On 11 May 2011 13:45:52 GMT, Steven D'Aprano
wrote:
: Do you think that we should avoid chained comparisons, class methods,
: closures, co-routines, decorators, default values to functions,
: delegation, doc tests, exceptions, factory functions, generator
: expressions, inheritance, itera
On Thu, May 12, 2011 at 12:00 AM, Hans Georg Schaathun
wrote:
> The fact that you need to list language by language which objects
> evaluate as false or equivalent to false illustrates that this has
> to be learnt language by language. Allowing arbitrary objects is
> one thing, the particular in
Is there any special reason you don't want to use QThread?
http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qthread.html#details
regards
2011/5/11 Chris Angelico :
> On Wed, May 11, 2011 at 7:08 PM, vijay swaminathan wrote:
>> Sorry. My intention was not to send out a private message.
On Thu, May 12, 2011 at 1:16 AM, Wojtek Mamrak wrote:
> Is there any special reason you don't want to use QThread?
> http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qthread.html#details
Other than that QThread is part of QT and threading isn't, what are
the advantages of QThread? Is it
On Wed, 11 May 2011 10:33:51 -0400, D'Arcy J.M. Cain wrote:
> Non-programmers should be able to program?
Wasn't that sort of the premise behind Visual Basic? I don't know if that
was the intention, but it sure was the result in a lot of cases.
--
http://mail.python.org/mailman/listinfo/python-l
Hans Georg Schaathun wrote:
On 11 May 2011 13:36:02 GMT, Steven D'Aprano
wrote:
: > In this case, the interpretation of an arbitrary object as a boolean is
: > peculiar for python.
:
: Incorrect. It is widespread among many languages. Programmers have been
: writing conditional tests usi
On Wed, 11 May 2011 15:05:45 +0100, Hans Georg Schaathun wrote:
> My concern was with the reader and not the writer.
>
> What could elif mean other than else: if?
It could mean "Oh, the author has made a stupid typo, I better fix it."
It could mean "What does the elif command do?"
The first ti
2011/5/11 Chris Angelico :
> On Thu, May 12, 2011 at 1:16 AM, Wojtek Mamrak wrote:
>> Is there any special reason you don't want to use QThread?
>> http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/html/qthread.html#details
>
> Other than that QThread is part of QT and threading isn't, what ar
On Thu, May 12, 2011 at 1:50 AM, Steven D'Aprano
wrote:
> On Wed, 11 May 2011 15:05:45 +0100, Hans Georg Schaathun wrote:
>
>> My concern was with the reader and not the writer.
>>
>> What could elif mean other than else: if?
>
> The first time I read Python code, I had literally no idea what to m
On Wed, 11 May 2011 15:34:28 +0100, Hans Georg Schaathun wrote:
> On 11 May 2011 13:45:52 GMT, Steven D'Aprano
>wrote:
> : Do you think that we should avoid chained comparisons, class methods,
> : closures, co-routines, decorators, default values to functions, :
> delegation, doc tests, exc
Steven D'Aprano wrote:
> Before you re-write it, you should run 2to3 over it and see how much it
> can do automatically:
Widely done, only the results from some query has radically changed on
favour of unicode. Errors raising about results which are not strings
anymore.
> I'm afraid I don't u
Hey all,
Apologies if this is a dumb question (self = Python noob), but under
py3k is it necessary to flush() a file between read/write calls in order
to see consistent results?
I ask because I have a case under Python 3.2 (r32:88445) where it does
appear to be, on both Gentoo Linux and Wind
On Wed, May 11, 2011 at 8:34 AM, Hans Georg Schaathun
wrote:
> E.g. Anyone who has used list/set comprehension in Z, haskell, set theory,
> or whereever will understand python list comprehension immediately.
They would understand the underlying concept. But would somebody who
is not a Python pr
All of this just boils down to Python providing an implicit bool cast in
syntactic situations that expect conditional expressions, including if [1].
So "if x:" is equivalent to "if bool(x)". Perhaps that is the part that is
not immediately obvious, being implicit to Python conditional syntax.
Py
I'm a bit new to programming outside of shell scripts (and I'm no expert
there), so I was wondering what is considered the best way to handle
errors when writing a module. Do I just let exceptions go and raise
custom exceptions for errors that don't trigger a standard one? Have the
function/method
> I don't mean to insult anyone, but I've heard and read all the arguments
> against Python's truth-testing, and they
>don't impress me in the slightest. Most of them strike me as silly. The only
>argument that carries any weight to me is
>one which I haven't seen anyone raise:
>"if x:" turns so
>The audience I am concerned about is the ones who are over-educated
>into using and having used a score of different meanings of the same
>symbols. They will be used to their intuition being wrong when they
>move into a new context. Being explicit will help them.
I find this argument to be fla
On 5/11/2011 12:27 PM, TheSaint wrote:
Steven D'Aprano wrote:
Before you re-write it, you should run 2to3 over it and see how much it
can do automatically:
Widely done, only the results from some query has radically changed on
favour of unicode. Errors raising about results which are not stri
- Original Message -
From: "Andrew Berg"
To:
Sent: Wednesday, May 11, 2011 10:29 AM
Subject: Proper way to handle errors in a module
I'm a bit new to programming outside of shell scripts (and I'm no expert
there), so I was wondering what is considered the best way to handle
errors
On 11/05/2011 18:29, Andrew Berg wrote:
I'm a bit new to programming outside of shell scripts (and I'm no expert
there), so I was wondering what is considered the best way to handle
errors when writing a module. Do I just let exceptions go and raise
custom exceptions for errors that don't trigger
In article ,
Andrew Berg wrote:
> I'm a bit new to programming outside of shell scripts (and I'm no expert
> there), so I was wondering what is considered the best way to handle
> errors when writing a module. Do I just let exceptions go and raise
> custom exceptions for errors that don't trigge
On Wed, 11 May 2011 10:33:51 -0400, D'Arcy J.M. Cain
wrote:
: Non-programmers should be able to program?
That was not really what I suggested; I was primarily talking
about reading programs and commenting on formulæ and algorithms.
: Should non-doctors be able to doctor?
If I were God, I mi
On 11 May 2011 16:26:40 GMT, Steven D'Aprano
wrote:
: > 1. My concern was not about clueless newbies. They need to
: > learn. My concern is about experienced scientists and engineers who
: > are simply new to python.
:
: Which makes them clueless newbies *about Python*. I don't care how
On Thu, 12 May 2011 02:05:21 +1000, Chris Angelico
wrote:
: In a Bourne shell script, if ends with fi... case ends with esac... so
: file would end with... hmm. Yeah, I think it's best to know the
: language you're trying to comprehend, and/or actually look at context
: instead of shoving a
On Wed, 11 May 2011 10:27:49 -0400, D'Arcy J.M. Cain
wrote:
: When did we come to the idea that people should be able to program in a
: language without actually learning it? The fact that Python comes so
: close to that possibility is nothing short of revolutionary.
Revolutionary indeed, s
On Wed, 11 May 2011 10:31:59 -0600, Ian Kelly
wrote:
: (x + 3 for x in xs if x % 2 == 1)
Interesting. Thanks. That might come in handy some time.
--
:-- Hans Georg
--
http://mail.python.org/mailman/listinfo/python-list
On 2011.05.11 12:57 PM, Patty wrote:
> Hi Andrew -
>
> Sometimes you want an exception come up and then use that information to
> take your
> program in some direction.
Right, but I'm wondering how I should handle errors in a module, where
different people will want their programs to do different
On Wed, 11 May 2011 13:50:54 -0400, Prasad, Ramit
wrote:
: I find this argument to be flawed. Should I stop using built-in
: generators instead of range/xrange for looping through lists?
: Certainly for loops with loop counting are understood more widely
: than generators. Should I stop using
On 5/11/2011 12:27 PM, Genstein wrote:
In py3k is it necessary to flush() a file between read/write calls in order
to see consistent results?
I ask because I have a case under Python 3.2 (r32:88445) where it does
appear to be, on both Gentoo Linux and Windows Vista.
I've naturally read http://
Hi.
I'm looking for a quick way to create new Python projects from a template.
I understand that 'Paste' (http://pythonpaste.org/) is one way to do
this, but I find Paste very intimidating because of all the
functionality it includes. I'm not even sure whether 'creating new
projects from temp
>Common to what? I'd try the lowest common denominator of
>legibility and effictiveness.
>It is just KISS.
Fair enough. I am a sheep, so I do what other (more knowledgeable) people do.
It is a fair assumption (for my specific code writing environments) that
everyone who is going to read my code
Hans Georg Schaathun wrote:
On Wed, 11 May 2011 13:50:54 -0400, Prasad, Ramit
wrote:
: I find this argument to be flawed. Should I stop using built-in
: generators instead of range/xrange for looping through lists?
: Certainly for loops with loop counting are understood more widely
: than g
In article <4dcab8bf$0$29980$c3e8da3$54964...@news.astraweb.com>
Steven D'Aprano wrote:
>When you call len(x) you don't care about the details of how to calculate
>the length of x. The object itself knows so that you don't have to. The
>same applies to truth testing.
>
>I have a data type that
On 11/05/2011 19:24, Terry Reedy wrote:
writing and reading. If you want others to look at this more, you should
1) produce a minimal* example that demonstrates the questionable
behavior, and 2) show the comparative outputs that raise your question.
Thanks for a quick response. Perhaps I was be
> Someone who knows how to program is never clueless starting a new
>language. Newbie, may be, but he knows most of the constructions
>and semantic principles to look for; most of it is learning the syntax.
I claim to be able to program (Java/Python), but would be absolutely lost
programming in
The simple but code heavy system is to create two functions. One that raises an
error and one that returns None or something that is mutually agreed to be
invalid. You can even get away with one of them doing the actual work and the
other one just as a wrapper. I feel too lazy to fix the mistak
On Wed, 11 May 2011 14:59:34 -0400, Prasad, Ramit
wrote:
: Fair enough. I am a sheep, so I do what other (more knowledgeable)
: people do. It is a fair assumption (for my specific code writing
: environments) that everyone who is going to read my code understands
: "if x:" notation or is expe
On Wed, 11 May 2011 12:17:33 -0700, Ethan Furman
wrote:
: 'if li' *is* KISS.
It /might/ be in some contexts, but a priori it is not, as it
superimposes a truth value on a data type which is otherwise
a pretty accurate model of real objects (outside python).
One principle of object oriented pr
On Wed, 11 May 2011 14:44:37 -0400, Prasad, Ramit
wrote:
: > Someone who knows how to program is never clueless starting a new
: >language. Newbie, may be, but he knows most of the constructions
: >and semantic principles to look for; most of it is learning the syntax.
:
: I claim to be able
I'm having a hard time dealing with the following scenario
My class takes a hash like the following:
rdargs =
{'env:'prod','feed':'opra','hostname':'host13dkp1','process':'delta','side':'a','zone','ny'}
All the keys in this hash can be optional.
I'm having a hard time dealing with all 36 possibl
On 11/05/2011 20:13, Hans Georg Schaathun wrote:
On Wed, 11 May 2011 12:17:33 -0700, Ethan Furman
wrote:
: 'if li' *is* KISS.
It /might/ be in some contexts, but a priori it is not, as it
superimposes a truth value on a data type which is otherwise
a pretty accurate model of real objects (
Rodrick Brown wrote:
I'm having a hard time dealing with the following scenario
My class takes a hash like the following:
rdargs =
{'env:'prod','feed':'opra','hostname':'host13dkp1','process':'delta','side':'a','zone','ny'}
All the keys in this hash can be optional.
I'm having a hard time
Hans Georg Schaathun wrote:
Code is quite often published to document algorithms, methods and
formulæ for the purpose of scientific research. Since there is no
universal language which suits everything and everyone, this
is exactly what happens. One has to have the rudimentary knowledge
to read
D'Arcy J.M. Cain wrote:
Non-programmers should be able to program?
Should non-doctors be able to doctor? Should cars be built so that
anyone can intuitively fix them without a mechanic?
Non-programmers should not be expected to program in 'C' nor in lisp...
... but non-programmers were
On 5/11/2011 3:08 PM, Genstein wrote:
On 11/05/2011 19:24, Terry Reedy wrote:
writing and reading. If you want others to look at this more, you should
1) produce a minimal* example that demonstrates the questionable
behavior, and 2) show the comparative outputs that raise your question.
Thanks
hi folks,
I am puzzled by unicode generally, and within the context of python
specifically. For one thing, what do we mean that unicode is used in
python 3.x by default. (I know what default means, I mean, what changed?)
I think part of my problem is that I'm spoiled (American, ascii
he
On Wed, 11 May 2011 19:05:03 +, Chris Torek wrote:
> In article <4dcab8bf$0$29980$c3e8da3$54964...@news.astraweb.com> Steven
> D'Aprano wrote:
>>When you call len(x) you don't care about the details of how to
>>calculate the length of x. The object itself knows so that you don't
>>have to. T
On Wed, 11 May 2011 20:13:35 +0100, Hans Georg Schaathun wrote:
> One principle of object oriented programming is to bestow the objects
> with properties reflecting known properties from the domain being
> modelled. Lists do not have truth values in the application domain
Yes they do. Empty list
On 05/11/2011 02:47 PM, Steven D'Aprano wrote:
On Wed, 11 May 2011 20:13:35 +0100, Hans Georg Schaathun wrote:
One principle of object oriented programming is to bestow the objects
with properties reflecting known properties from the domain being
modelled. Lists do not have truth values in the
On Wed, May 11, 2011 at 3:37 PM, harrismh777 wrote:
> hi folks,
> I am puzzled by unicode generally, and within the context of python
> specifically. For one thing, what do we mean that unicode is used in python
> 3.x by default. (I know what default means, I mean, what changed?)
The `unicode'
On 03/05/2011 09:52, rusi wrote:
[If you believe it is, then try writing a log(n) fib iteratively :D ]
It took me a while, but this one seems to work:
from collections import namedtuple
Triple = namedtuple('Triple', 'hi mid lo')
Triple.__mul__ = lambda self, other: Triple(
self.hi * othe
On 11/05/2011 19:08, Genstein wrote:
On 11/05/2011 19:24, Terry Reedy wrote:
writing and reading. If you want others to look at this more, you should
1) produce a minimal* example that demonstrates the questionable
behavior, and 2) show the comparative outputs that raise your question.
Thanks
On Wed, May 11, 2011 at 2:37 PM, harrismh777 wrote:
> hi folks,
> I am puzzled by unicode generally, and within the context of python
> specifically. For one thing, what do we mean that unicode is used in python
> 3.x by default. (I know what default means, I mean, what changed?)
>
> I think p
Steven D'Aprano wrote:
modelled. Lists do not have truth values in the application domain
Yes they do. Empty lists are nothing, ergo false, and non-empty lists are
something, ergo true.
No they don't. Empty lists are empty lists... which just happen to
become False when type cast bool(lis
Miki Tebeka wrote:
.py files from more than one source directory into a single
package when installing?
The Selenium Python bindings does something like that, have a look at
http://selenium.googlecode.com/svn/trunk/setup.py
Unless I'm missing something, nothing out of the ordinary is
happenin
Ian Kelly wrote:
Ian, Benjamin, thanks much.
The `unicode' class was renamed to `str', and a stripped-down version
of the 2.X `str' class was renamed to `bytes'.
... thank you, this is very helpful.
> If I do not specify any code points above ascii 0xFF does any of this
> matter
Hans Georg Schaathun wrote:
0 is a number as real and existent as any other,
one would think that the empty list is also as real and existent as
any other list.
0 does have some special properties, though, such as
being the additive identity and not having a multiplicative
inverse. Adding fals
harrismh777 wrote:
Lists by themselves, empty or not, cannot have a 'truth' in an of
themselves.
... forgot.,
Based on Ian's comment a couple of days ago...
if alist:
... is actually :
if bool(alist):
I think this is more than just semantics or silly argumentation.
On Thu, May 12, 2011 8:51 am, harrismh777 wrote:
> Is it true that if I am
> working without using bytes sequences that I will not need to care about
> the encoding anyway, unless of course I need to specify a unicode code
> point?
Quite the contrary.
(1) You cannot work without using bytes seque
Hi there,
I made a small script implementing a part of Youtube's API that allows
you to upload videos. It's pretty straightforward and uses urllib2.
The script was written for Python 2.6, but the server I'm going to use
it on only has 2.5 (and I can't update it right now, unfortunately).
It seems t
On Thu, May 12, 2011 10:20 am, Michiel Sikma wrote:
> Hi there,
> I made a small script implementing a part of Youtube's API that allows
> you to upload videos. It's pretty straightforward and uses urllib2.
> The script was written for Python 2.6, but the server I'm going to use
> it on only has 2.
A couple of years back Oscar Lindberg wrote a program called pymultimouse,
which has a homepage at http://code.google.com/p/pymultimouse/. I've been using
the file rawinputreader.py, which is avaliable in the zipped folder in the
downloads section of the above link.
I'm trying to get raw mou
On Wed, 11 May 2011 17:38:58 -0500, harrismh777 wrote:
> Steven D'Aprano wrote:
>>> modelled. Lists do not have truth values in the application domain
>> Yes they do. Empty lists are nothing, ergo false, and non-empty lists
>> are something, ergo true.
>>
>>
> No they don't. Empty lists are empt
John Machin wrote:
(1) You cannot work without using bytes sequences. Files are byte
sequences. Web communication is in bytes. You need to (know / assume / be
able to extract / guess) the input encoding. You need to encode your
output using an encoding that is expected by the consumer (or use an
On 12/05/2011 02:22, harrismh777 wrote:
John Machin wrote:
(1) You cannot work without using bytes sequences. Files are byte
sequences. Web communication is in bytes. You need to (know / assume / be
able to extract / guess) the input encoding. You need to encode your
output using an encoding tha
On Thu, 12 May 2011 03:31:18 +0100, MRAB wrote:
>> Another question... in mail I'm receiving many small blocks that look
>> like sprites with four small hex codes, scattered about the mail...
>> mostly punctuation, maybe? ... guessing, are these unicode code points,
>> and if so what is the best w
Hans Georg Schaathun wrote:
> Revolutionary indeed, so why don't we exploit the revolution
> and write the programs to be as accessible as possible?
Where do you draw the line, though?
No decorators, as they're not intuitively obvious? No custom
descriptors, as that requires a deeper knowledge o
On May 12, 7:24 am, harrismh777 wrote:
> We need to move away from 'canned apps' to a new day where
> the masses can sit down to their computer and solve new problems with it
> through intuitive language skills. Why not?
Because the vast majority of them don't seem to want to be bothered?
--
h
* 2011-05-11T20:26:48+01:00 * Hans Georg Schaathun wrote:
> On Wed, 11 May 2011 14:44:37 -0400, Prasad, Ramit
>wrote:
>> I claim to be able to program (Java/Python), but would be absolutely
>> lost programming in Lisp. It is more than just "learning the syntax",
>> it includes a thought paradi
Steven D'Aprano wrote:
You need to understand the difference between characters and bytes.
http://www.joelonsoftware.com/articles/Unicode.html
is also a good resource.
Thanks for being patient guys, here's what I've done:
astr="pound sign"
asym=" \u00A3"
afile=open("myfile", mode='w')
afil
In article <4dc6a39a$0$29991$c3e8da3$54964...@news.astraweb.com>
Steven D'Aprano wrote:
>In English, [the word "not"] negates a word or statement:
>
>"the cat is not on the mat" --> "the cat is on the mat" is false.
As a mostly off topic aside, English is considerably more complicated
than that.
On Thu, May 12, 2011 at 7:02 AM, Ian wrote:
> In the "real world" lists of zero items do not exist.
> You don't go shopping with a shopping list of zero items.
Actually, yes you do. You maintain your shopping list between trips;
whenever you need something, you put it on the list immediately. Th
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