although I see the configure() and
option() get called and also see that nose runs my tests. What boggles my mind
is that none of my plugins functions get called. Do I need to configure
something?
Roald
the code is on pastbin: http://pastebin.com/rcXh2VAy
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her
)
Moreover, the 'text = ...'-like statement, that are only used in the
one statement after it, often interrupt a (more) logical sequence of
variable assignments, and make your program a bit less readable.
Cheers, Roald
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On Aug 16, 2010, at 5:04 PM, Ian Kelly wrote:
On Mon, Aug 16, 2010 at 4:23 AM, Roald de Vries
wrote:
I suspect that there exists a largest unpurchasable quantity iff at
least two of the pack quantities are relatively prime, but I have
made
no attempt to prove this.
That for sure is not
chasable quantity.
I'm pretty sure that if there's no common divisor for all three (or
more) packages (except one), there is a largest unpurchasable
quantity. That is: ∀ i>1: ¬(i|a) ∨ ¬(i|b) ∨ ¬(i|c), where ¬(x|
y) means "x is no divider of y"
Cheers, Roald
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On Aug 15, 2010, at 2:16 PM, geremy condra wrote:
On Sun, Aug 15, 2010 at 4:55 AM, Roald de Vries
wrote:
On Aug 15, 2010, at 1:00 PM, Lawrence D'Oliveiro wrote:
It would be if pointers and arrays were the same thing in C. Only
they’re
not, quite. Which somewhat defeats the point of t
On Aug 7, 2010, at 9:14 PM, John Nagle wrote:
FORTRAN, MATLAB, and Octave all use 1-based subscripts.
The languages which have real multidimensional arrays, rather
than arrays of arrays, tend to use 1-based subscripts. That
reflects standard practice in mathematics.
True, but that somethi
n C/C++) below is valid, so arrays are just
pointers. The only difference is that the notation x[4] reserves space
for 4 (consecutive) ints, and the notation *y doesn't.
int x[4];
int *y = x;
Moreover, the following is valid (though unsafe) C/C++:
int *x;
int y = x[4];
Cheers, Roal
On Aug 13, 2010, at 12:25 PM, Roald de Vries wrote:
My previous algorithm was more efficient, but for those who like one-
liners:
[x for x in range(120) if any(20*a+9*b+6*c == x for a in range(x/20)
for b in range(x/9) for c in range(x/6))][-1]
OK, I did some real testing now, and there&#
cient, but for those who like one-
liners:
[x for x in range(120) if any(20*a+9*b+6*c == x for a in range(x/20)
for b in range(x/9) for c in range(x/6))][-1]
Cheers, Roald
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ed.
Second, can_buy(0) should return True, but the solution 0*6 + 0*9 +
0*20 is
never tried; fix your ranges accordingly.
Moreover: a, b and c can range over n_nuggets/6, n_nuggets/9 and
n_nuggets/20 respectively. This will work, but does too much work.
Cheers, Roald
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s in range(20):
can_be_bought[twenties*20+nines*9+sixes*6] = True
for i in reverse(range(120)):
if not can_be_bought[i]: return i
Cheers, Roald
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Hi Bhanu,
On Aug 12, 2010, at 4:15 AM, Bhanu Kumar wrote:
Hi All,
Is there any good free python IDE available in Ubuntu?
See a similar discussion at django-users mailing list:
http://groups.google.com/group/django-users/browse_thread/thread/562189578285211
Cheers, Roald
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http
he 'a' variable in c2 it has the same
value as the 'a' variable in c1. Am I missing something?
I can't reproduce this. Which version are you using?
On Sun, Aug 8, 2010 at 4:59 PM, Roald de Vries
wrote:
Your problem probably is that a and b are class variables;
ology: they point to different
instances).
See http://docs.python.org/tutorial/classes.html#class-objects for
more info.
Cheers, Roald
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On Aug 7, 2010, at 5:24 PM, Nobody wrote:
On Sat, 07 Aug 2010 13:48:32 +0200, News123 wrote:
"Common sense" is wrong. There are many compelling advantages to
numbering from zero instead of one:
http://lambda-the-ultimate.org/node/1950
It makes sense in assembly language and even in many by
On Aug 7, 2010, at 3:53 PM, D'Arcy J.M. Cain wrote:
On Sat, 7 Aug 2010 15:37:23 +0200
Roald de Vries wrote:
Would said beginner also be surprised that a newborn baby is zero
years
old or would it be more natural to call them a one year old? Zero
based counting is perfectly natural.
edges += edge.head.leaving_edges
except StopIteration:
pass
Thanks in advance, cheers, Roald
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On Aug 7, 2010, at 2:54 PM, D'Arcy J.M. Cain wrote:
On Sat, 07 Aug 2010 13:48:32 +0200
News123 wrote:
It makes sense in assembly language and even in many byte code
languages.
It makes sense if you look at the internal representation of unsigned
numbers (which might become an index)
For a co
x27;m in favor of 1-based indices)
One of the reasons I like python so much, is that you (almost) never
have to use indices. Normally you just iterate over the elements. If I
ever need indices, it's a strong indication that I actually want a
dictionary.
Cheers, Roald
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On Aug 6, 2010, at 9:25 AM, Bruno Desthuilliers wrote:
Roald de Vries a écrit :
'not None' first casts None to a bool, and then applies 'not', so
'x is not None' means 'x is True'.
Obviously plain wrong :
Python 2.6.2 (release26-maint, Apr 19 2009, 01
On Aug 5, 2010, at 6:11 PM, Chris Rebert wrote:
On Thu, Aug 5, 2010 at 8:56 AM, Roald de Vries
wrote:
On Aug 5, 2010, at 5:42 PM, wheres pythonmonks wrote:
How does "x is not None" make any sense? "not x is None" does
make sense.
I can only surmise that in this c
IS_NOTEQ(X, None)
Beside "not in" which seems to work similarly, is there other
syntactical sugar like this that I should be aware of?
'not None' first casts None to a bool, and then applies 'not', so 'x
is not None' means 'x is True
ttr(cls, name, None)
87 if getattr(value, "__isabstractmethod__",
False):
TypeError: Error when calling the metaclass bases
'getset_descriptor' object is not iterable
Anybody knows why? Every type is just an object, isn't it?
Thanks in adva
ased indices.
class list1(list):
def __new__(cls, *args, **kwargs):
return list.__new__(cls, *args, **kwargs)
def __getitem__(self, key):
return list.__getitem__(self, key-1)
... etcetera
Cheers, Roald
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n me?
http://docs.python.org/library/abc.html
http://www.doughellmann.com/PyMOTW/abc/
Cheers, Roald
PS: most people in this list prefer not top posting
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you want a thinner class hierarchy?
So I would go for inheritance.
Cheers, Roald
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On Jul 14, 2010, at 3:53 AM, Steven D'Aprano wrote:
On Tue, 13 Jul 2010 19:26:34 +0200, Roald de Vries wrote:
Hi all,
I have two objects that should both be able to alter a shared
float. So
i need something like a mutable float object, or a float reference
object. Does anybody kn
On Jul 14, 2010, at 3:53 AM, Steven D'Aprano wrote:
On Tue, 13 Jul 2010 19:26:34 +0200, Roald de Vries wrote:
Hi all,
I have two objects that should both be able to alter a shared
float. So
i need something like a mutable float object, or a float reference
object. Does anybody kn
On Jul 14, 2010, at 1:26 AM, Gary Herron wrote:
On 07/13/2010 03:02 PM, Roald de Vries wrote:
Hi Gary,
On Jul 13, 2010, at 8:54 PM, Gary Herron wrote:
On 07/13/2010 10:26 AM, Roald de Vries wrote:
Hi all,
I have two objects that should both be able to alter a shared
float.
So i need
ndard solution to it.
Roald
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On Jun 6, 2010, at 5:16 PM, rantingrick wrote:
Everyone knows i'm a Python fanboy so nobody can call me a troll for
this...
Python map is just completely useless. For one it so damn slow why
even bother putting it in the language? And secondly, the total "girl-
man" weakness of lambda renders it
On Apr 26, 2010, at 8:04 PM, gopi krishna wrote:
When I give a dictionary with key and value in order how can get
back iy in same order
I use YAML a lot, which supports ordered dicts, and these are
interpreted as lists of pairs by Python, so that might be a good choice.
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Dear all,
PEP 245 and 246 about interfaces for python are both rejected for
'something much better' (GvR in 246's rejection notice). Does anybody
know what this is? I am *very* curious!
Kind regards, Roald
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n. I would be curious to hear about your results.
Kind regards, Roald
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On Feb 22, 2010, at 10:56 PM, AON LAZIO wrote:
That will be superb
I guess static typing will have to be added, so that tools like
eclipse can inspect (and autocomplete) your programs [better].
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This pipeline idea has actually been implemented further, see .
from stream import map, filter, cut
range(10) >> map(lambda x: [x**2, x**3]) >> filter(lambda t: t[0]!
=25 and t[1]!=64) >> cut[1] >> list
[0, 1, 8, 27, 216, 343, 512, 729]
Wow, cool!
Just to show that you can easily add the itera
On Feb 18, 2010, at 5:28 PM, Stephen Hansen wrote:
On Thu, Feb 18, 2010 at 8:19 AM, Andrey Fedorov
wrote:
It seems intuitive to me that the magic methods for overriding the
+, -, <, ==, >, etc. operators should have no sideffects on their
operands. Also, that == should be commutative and tra
On Feb 5, 2010, at 12:03 AM, Julian wrote:
Hello,
I've asked this question at stackoverflow a few weeks ago, and to make
it clear: this should NOT be a copy of the stackoverflow-thread
"hidden features of Python".
I want to design a poster for an open source conference, the local
usergroup wil
On Jan 29, 2010, at 2:30 AM, Steven D'Aprano wrote:
On Thu, 28 Jan 2010 17:01:38 +0100, Roald de Vries wrote:
Question out of general interest in the language: If I would want to
generate such functions in a for-loop, what would I have to do? This
doesn't work:
class Move(object):
On Jan 22, 2010, at 11:56 AM, Roald de Vries wrote:
Hi Martin,
On Jan 21, 2010, at 8:43 AM, Martin Drautzburg wrote:
Hello all,
When passing parameters to a function, you sometimes need a paramter
which can only assume certain values, e.g.
def move (direction):
...
If
On Jan 27, 2010, at 2:01 PM, Jean Guillaume Pyraksos wrote:
What are the arguments for choosing Python against Ruby
for introductory programming ? Python has no provisions
for tail recursion, Ruby is going to... So what ?
Thanks,
I think the main difference is in culture, especially for
*in
On Jan 23, 2010, at 3:58 PM, Mark Dickinson wrote:
On Jan 23, 2:44 pm, Roald de Vries wrote:
I assume a function like 'naturals' already exists, or a similar
construction for the same purpose. But what is it called?
itertools.count()
On Jan 23, 2010, at 4:04 PM, Jan Kalisze
On Jan 23, 2010, at 3:49 PM, Diez B. Roggisch wrote:
Am 23.01.10 15:44, schrieb Roald de Vries:
Dear all,
I sometimes want to use an infinite while loop with access to the
loop
index, like this:
def naturals():
i = 0
while True:
yield i
y += 1
for i in naturals():
print(i)
I assume a
On Jan 23, 2010, at 3:50 PM, Grant Edwards wrote:
On 2010-01-23, Roald de Vries wrote:
Dear all,
I sometimes want to use an infinite while loop with access to the
loop
index, like this:
def naturals():
i = 0
while True:
yield i
y += 1
for i in naturals():
print(i
r the same purpose. But what is it called?
Kind regards, Roald
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On Jan 22, 2010, at 1:06 PM, Martin Drautzburg wrote:
On 22 Jan., 11:56, Roald de Vries wrote:
Hi Martin,
On Jan 21, 2010, at 8:43 AM, Martin Drautzburg wrote:
Hello all,
When passing parameters to a function, you sometimes need a paramter
which can only assume certain values, e.g
Hi Martin,
On Jan 21, 2010, at 8:43 AM, Martin Drautzburg wrote:
Hello all,
When passing parameters to a function, you sometimes need a paramter
which can only assume certain values, e.g.
def move (direction):
...
If direction can only be "up", "down", "left" or "right",
On Dec 30, 2009, at 4:10 AM, Steve Holden wrote:
Roald de Vries wrote:
On Dec 30, 2009, at 2:28 AM, Dave Angel wrote:
Roald de Vries wrote:
On Dec 29, 2009, at 8:34 PM, Dave Angel wrote:
Antoine Pitrou wrote:
Le Tue, 29 Dec 2009 16:09:58 +0100, Roald de Vries a écrit :
Dear all,
Is it
On Dec 30, 2009, at 2:28 AM, Dave Angel wrote:
Roald de Vries wrote:
On Dec 29, 2009, at 8:34 PM, Dave Angel wrote:
Antoine Pitrou wrote:
Le Tue, 29 Dec 2009 16:09:58 +0100, Roald de Vries a écrit :
Dear all,
Is it possible for a Python script to detect whether it is running
On Dec 30, 2009, at 1:52 AM, Steven D'Aprano wrote:
On Tue, 29 Dec 2009 16:09:58 +0100, Roald de Vries wrote:
Dear all,
Is it possible for a Python script to detect whether it is running
interactively? It can be useful for e.g. defining functions that are
only useful in interactive mode.
On Dec 29, 2009, at 8:34 PM, Dave Angel wrote:
Antoine Pitrou wrote:
Le Tue, 29 Dec 2009 16:09:58 +0100, Roald de Vries a écrit :
Dear all,
Is it possible for a Python script to detect whether it is running
interactively? It can be useful for e.g. defining functions that are
only useful in
Dear all,
Is it possible for a Python script to detect whether it is running
interactively? It can be useful for e.g. defining functions that are
only useful in interactive mode.
Kind regards, Roald
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