Update:
On 10/27/2014 09:50 PM, Adam Jensen wrote:
> What's weird is that I have two different python3.4 installations on
> this CentOS-6.5 machine and both have the same behavior (script hangs
> until Ctrl+C).
>
> I built this one (/opt/bin/python3.4) from source:
...
> But this one (~/anaconda3
On 28/10/14 15:31, Adam Jensen wrote:
-
bufsize will be supplied as the corresponding argument to the open()
function when creating the stdin/stdout/stderr pipe file objects:
And I get these results (on CentOS-6.5-x86):
On 10/28/2014 02:32 PM, Alan Gauld wrote:
> I tried -1 and 1 on my Lubuntu and it still works fine.
> Definitely weird, it begins to look like a CentOS build issue
> but what is CentOS doing different to Lubuntu/Suse/OpenBSD etc?
>
> From memory CentOS is basically a free version of Red Hat
> Ent
On 28/10/14 19:23, Adam Jensen wrote:
platform. This is what I've discovered so far:
| | CentOS-6.5 | OpenBSD-5.5 | DragonFly-3.8.2 |
| bufsize | Python-3.4.1 | Python-3.3.2 | Python-3.3.3|
|-+--+--+-
Centos has SELinux enabled by default. I dont know if SELinux is causing
your problem, but it is always worth looking at.
SELinux can keep a process from accessing files or executing another
process.
Try temporarily disabling SELinux by running setenforce=0 as root. Then
see if python does wha
On 10/28/2014 04:27 PM, Todd wrote:
> Centos has SELinux enabled by default. I dont know if SELinux is
> causing your problem, but it is always worth looking at.
>
> SELinux can keep a process from accessing files or executing another
> process.
>
> Try temporarily disabling SELinux by runnin
Explain this double speak(>:
[pair for pair in values if key == pair[0]]
I understand the 'for pair in values'. I assume the first 'pair' creates the
namespace (although I am not sure how Python knows it's a tuple yet). I
think the outer [] make the line a comprehension ( If so, I don't seem t
On Tue, Oct 28, 2014 at 4:13 PM, Clayton Kirkwood wrote:
> Explain this double speak(>:
>
> [pair for pair in values if key == pair[0]]
Hi Clayton,
Here is a rewording of that expression to an approximately equivalent statement:
###
some_list = []
for pair in values:
if
On 28/10/14 23:13, Clayton Kirkwood wrote:
Explain this double speak(>:
[pair for pair in values if key == pair[0]]
A list comprehension is a specific form of a more general
construction called a generator expression. Its specific
in that it creates a list, hence the [] around it.
The general
On 28/10/14 23:13, Clayton Kirkwood wrote:
line either a tuple or list. The comprehension seems to act as a
subroutine or macro
In a sense yes, that's true.
You can find another explanation of list comprehensions and other
related functions in my tutorial (see .sig) in the Functional
Progra
Ah, Alan sent an answer also, but this one answers the last tidbit. Alan had
the some_list and pair the same name, presumably creating a temporary tuple and
when the loop is done, the temporary replaces the original.
Thanks
Clayton
!-Original Message-
!From: Danny Yoo [mailto:d...@has
On 29/10/14 01:02, Clayton Kirkwood wrote:
Ah, Alan sent an answer also, but this one answers the last tidbit.
Alan had the some_list and pair the same name, presumably creating
> a temporary tuple and when the loop is done, the temporary
replaces the original.
Nope. If you re-read my post yo
>
Explain this double speak(>:
> [pair for pair in values if key == pair[0]]
> I understand the ‘for pair in values’. I assume the first
> ‘pair’ creates the namespace
The namespace question depends on the version of Python. Python
2.x does not do any scoping.
But in version 3.x, the var
On 28Oct2014 18:02, Clayton Kirkwood wrote:
!> Explain this double speak(>:
!>
Ah, Alan sent an answer also, but this one answers the last tidbit. Alan had
the some_list and pair the same name, presumably creating a temporary tuple and
when the loop is done, the temporary replaces the original
!-Original Message-
!From: Cameron Simpson [mailto:c...@zip.com.au]
!Sent: Tuesday, October 28, 2014 6:31 PM
!To: Clayton Kirkwood
!Cc: 'Danny Yoo'; 'Python Tutor Mailing List'
!Subject: Re: [Tutor] Would somebody kindly...
!
!On 28Oct2014 18:02, Clayton Kirkwood wrote:
!>!> Explain this
!-Original Message-
!From: Tutor [mailto:tutor-bounces+crk=godblessthe...@python.org] On
!Behalf Of Dave Angel
!Sent: Tuesday, October 28, 2014 6:34 PM
!To: tutor@python.org
!Subject: Re: [Tutor] Would somebody kindly...
!
!
!>
! Explain this double speak(>:
!> [pair for pair in values i
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