On 2018-04-15 13:31, Kirill Balunov wrote:
>
>
> 2018-04-15 10:58 GMT+03:00 Yubin Ruan :
>
> [this is a bit late...]
>
> Did you really have any benchmark for it? I know what you are doing but it
> seems to be a pre-mature optimization. If this really is the
On Mon, Jun 05, 2017 at 05:16:55PM +0200, Maria Alonso-Martirena wrote:
> Good morning,
>
>
>
> You asked me to subscribe before writing to you and i've already done so. I
> need your help: I’ve just downloaded Python for Windows (versión 3.6.1.).
> However, when I try to open it, it just says “
ython write to file using unicode(type 'str')? Does python
encode 'str'(Unicode) automatically before writing things to file? If it's
true, then why can't it do that automatic encoding when I trying to write a
'str' to socket ?
Regards,
Ruan
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g to make
it a **online** string. You don't have to show code in that respect.
Thanks in advance!
Ruan.
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On Wednesday, June 15, 2016 at 12:18:31 PM UTC+8, Lawrence D’Oliveiro wrote:
> On Wednesday, June 15, 2016 at 3:28:37 PM UTC+12, Yubin Ruan wrote:
>
> > I want to match the all the text surrounded by those " ",
>
> You are trying to use regex (type 3 grammar) t
;ccc","ddd","eee"]
How can I write a regex to match that?
I have try to use the **positive lookbehind assertion** in python regex,
but it does not allowed variable length of lookbehind.
Thanks in advance,
Ruan
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I found out what is wrong.
You must give it a negative step, like range(10,1,-1)
But my code is not good enought for heapify.
I will try again.
"Ruan" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Can't range go from larger to smaller?
>
>
Can't range go from larger to smaller?
"Diez B. Roggisch" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Dongsheng Ruan wrote:
>
>> I want to turn an Array into a heap, but my code just doesn't work: no
>> change after ex
I want to turn an Array into a heap, but my code just doesn't work: no
change after execution.
A=[3,5,4,9,6,7]
m=len(A)-1
for i in range(m,1):
t=(i-1)/2
if A[i]>A[t]:
A[i],A[t]=A[t],A[i]
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I got feed back saying" list object is not callable". But I can't figure out
what is wrong with my code.
A=[3,5,4,9,6,7]
l=len(A)-1
for i in range(l):
print A(i)
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This seems to be clever to use reference for list.
Is it unique to Python?
How about the traditional programming languages like C, Pascal or C++?
"Roel Schroeven" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Dongsheng Ruan schreef:
>> "Roe
TED]> wrote in message
news:[EMAIL PROTECTED]
> Ruan schreef:
>> "Roel Schroeven" <[EMAIL PROTECTED]> wrote:
>>> Ruan schreef:
>>>> My confusion comes from the following piece of code:
>>>>
>>>> memo = {1:1, 2:1}
>
n message
news:[EMAIL PROTECTED]
> Ruan schreef:
> > My confusion comes from the following piece of code:
> >
> > memo = {1:1, 2:1}
> > def fib_memo(n):
> > global memo
> > if not n in memo:
> > memo[n] = fib_memo(n-1) + fib_memo(n-2)
> > return memo[n]
&g
My confusion comes from the following piece of code:
memo = {1:1, 2:1}
def fib_memo(n):
global memo
if not n in memo:
memo[n] = fib_memo(n-1) + fib_memo(n-2)
return memo[n]
I used to think that the time complexity for this code is O(n) due to its
use of memoization.
However, I was told recently
Not quite related with Python. But my Data Structure course is experiemented
on python and there is no data structure group, So I have to post here:
Write a procedure (in pseudocode!) to increase the number of buckets in a
(closed) hash table. Analyze its time and space complexity.
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Yes, that's just what I want.
Thanks!
- Original Message -
From: Analog Kid
To: Dongsheng Ruan
Cc: python-list@python.org
Sent: Wednesday, January 31, 2007 12:04 PM
Subject: Re: What is the dummy statement that do nothing in Python?
hey dongsheng:
not too sure
I remember that in python there is some kind of dummy statement that just
holds space and does nothing.
I want it to hold the place after a something like if a>b: do nothing
I can't just leave the space blank after if statement because there will be
error message.
Does anybody know what to ins
Hi
Does anybody know how to pass multiple arguments to the function
tested in timeit.timer() in
python?
I googled and found how to pass one argument:
x=1
mytime = timeit.Timer( setup="from Createlst import createlst", stmt=
"createlst(%s)"%(x) )
But how can I extend it to two or more
list in Python.
"Gary Herron" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Dongsheng Ruan wrote:
>> with a cell class like this:
>>
>> #!/usr/bin/python
>>
>> import sys
>>
>> class Cell:
>>
>> def
with a cell class like this:
#!/usr/bin/python
import sys
class Cell:
def __init__( self, data, next=None ):
self.data = data
self.next = next
def __str__( self ):
return str( self.data )
def echo( self ):
print self.__str__()
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