' '.join([`x x` for x in range(1, 6)])
anyone can tell me what im doing wrong?
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i am confused.
x=5
y=5
x==y -> True
x is y -> True
shouldnt x is y return False since they shouldnt(dont?) point to the
same place in memory, they just store an equal value?
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if i want o test:
if a == 5 and b ==5 and c==5 ... z==5
is there some synctactic suagr for this?
rather than maiking one of my own i mean, something built-in like:
if a,b,c... z == 5:
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i have a big file with sentences, the first file of each sentence
contains a colon(:) somewher eon that line
i want to jump past that sentence.
if all(x != ':' for x in line):
this way i can check but i dont want to check for every line in the
whole file, quite unnecessary when i only need to
ch
class TaskGroup:
def __init__(self):
self.group = []
def addTask(self, task):
self.group.append(task)
is this wrong? i have a program thats too big to post but should i
just do group.append in addTask?
reason is when later doing TaskGroup.group i get None
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anyone using psyche?
how do you run it on Vista? what file do you click? there is no
obvious file like psyche.py...
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import Tkinter
from Tkinter import *
i have a program where if i comment out either of those import-
statements i get an error.
i thought they meant the same thing and from was supposed to be just
to imort just a specific function and the * imports everything in the
module.
but aparently the abov
i want to search a document for a particular regexp and then store
that regexp to a file.
but search and match only returns matchobjects(what are those anyway?
i dont get what to do with them, do they contain true/false,
stringposition etc?)
how do i do:
for rows in file:
print regexp.find #
this program doesnt produce any output, however i know from testing
that the url-regexp matches urls...
import urllib
import re
site = urllib.urlopen("http://www.python.org";)
email = re.compile(r'[EMAIL PROTECTED],4}')
url = re.compile("^((ht|f)tp(s?)\:\/\/|~/|/)?([\w]+:\w+@)?([a-zA-Z]{1}
([\w\
On 23 Maj, 02:02, [EMAIL PROTECTED] wrote:
> this program doesnt produce any output, however i know from testing
> that the url-regexp matches urls...
>
> import urllib
> import re
>
> site = urllib.urlopen("http://www.python.org";)
>
> email = re.compile(r'[EMAIL PROTECTED],4}')
> url = re.compile
url = re.compile(r"^((ht|f)tp(s?)\:\/\/|~/|/)?([\w]+:\w+@)?([a-zA-Z]
{1}
([\w\-]+\.)+
([\w]{2,5}))(:[\d]{1,5})?((/?\w+/)+|/?)(\w+\.[\w]{3,4})?((\?\w+=\w+)?
(&
\w+=\w+)*)?")
why isnt this url catching something like:
http://www.showmedo.com/latestVideoFeed/rss2.0?
tag=python" />
site = urllib.url
url = re.compile(r"((http|ftp|https)\:\/\/)(www)?([a-zA-Z]{1}([\w\-]+
\.)+([\w]{2,5}))(:[\d]{1,5})?((/?\w+/)+|/?)(\w+
\.[\w]{3,4})?((\?\w+=\w+)?(&\w+=\w+)*)?")
damn i hate these things.
i want it to only match http://www.name.any/etc
not http://wiki.x etc
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when running a very computationalheavy program in the shell it
sometimes freezes but the commandprompt runs it without problems and
muh faster, why?
also, the command prompt starts at C:\Users\user>
i want to start at C:\python25\progs
how do i change that?
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On 24 Maj, 05:48, Ben Finney <[EMAIL PROTECTED]>
wrote:
> [EMAIL PROTECTED] writes:
> > when running a very computationalheavy program in the shell it
> > sometimes freezes but the commandprompt runs it without problems
>
> Can you tell us exactly which programs you mean when you say "the
> shell"
On 24 Maj, 07:01, Ben Finney <[EMAIL PROTECTED]>
wrote:
> [EMAIL PROTECTED] writes:
> > On 24 Maj, 05:48, Ben Finney <[EMAIL PROTECTED]>
> > wrote:
> > > Can you tell us exactly which programs you mean when you say "the
> > > shell" and "the commandprompt"?
>
> > commandprompt = windows dos-windows
i am writing a simple webspider .
how do i avoid getting stuck at something like this:
Enter username for W3CACL at www.w3.org:
?
i can obv add an if-clause for the specific site but since i guess
there will be more of the same thats ov not a viable approach in the
long run.
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i have some confusion over this.
sure a class is basically a classification, like for example an animal
or flower. and an object/instance of that class is then for example a
cat.
an object is an instance of a class. that i know, i also know how to
program with classes etc.
i am just confused abo
im writing a webcrawler.
after visiting a new site i want to store it in alphabetical order.
so obv i want fast insert. i want to delete duplicates too.
which datastructure is best for this?
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On 25 Maj, 08:56, Rares Vernica <[EMAIL PROTECTED]> wrote:
> use a set to store them:
>
> >>> s=set()
> >>> s.add('a')
> >>> s.add('b')
> >>> s
> set(['a', 'b'])
> >>> s.add('a')
> >>> s
> set(['a', 'b'])
> >>> s.add('c')
> >>> s
>
> set(['a', 'c', 'b'])
>
>
>
> it does remove duplicates, but is it
when using recursion should one use a return statement or not?
there is a difference obv since with a return statement it will
ultimately return a value if not recursing forever.
but is there a guideline for this or it just taste or is it
considering good style or pythonic to always have a return
>>> x = 5
>>> x /= 2
>>> x
2
>>> x *=11.4
>>> x
22.801
ok where does the 1 in the come from?
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On May 25, 9:32 am, Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote:
> On Sun, 25 May 2008 00:10:45 -0700, notnorwegian wrote:
> > sets dont seem to be so good because there is no way to iterate them.
>
> Err:
>
> In [82]: for x in set(['a', '
On 26 Maj, 01:30, I V <[EMAIL PROTECTED]> wrote:
> On Sun, 25 May 2008 15:49:16 -0700, notnorwegian wrote:
> > i meant like set[pos], not iterate but access a specific position in the
> > set.
>
> If you need to access arbitrary elements, use a list instead of a s
On 26 Maj, 03:04, [EMAIL PROTECTED] wrote:
> On 26 Maj, 01:30, I V <[EMAIL PROTECTED]> wrote:
>
>
>
> > On Sun, 25 May 2008 15:49:16 -0700, notnorwegian wrote:
> > > i meant like set[pos], not iterate but access a specific position in the
> > > set.
>
Traceback (most recent call last):
File "C:/Python25/Progs/WebCrawler/spider2.py", line 47, in
x = scrapeSites("http://www.yahoo.com";)
File "C:/Python25/Progs/WebCrawler/spider2.py", line 31, in
scrapeSites
site = iterator.next()
RuntimeError: Set changed size during iteration
def j
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