> I like to step through my code line by line,
> it's impossible to do it with
> object-oriented programming language.
I suggest pudb, it's a curses based debugger, which is nicer than pdb, but
doesn't require tedious IDE setup.
> Also, there's no good REPL IDE.
Not quite sure what you meant
It wouldn't be too difficult to write a file object wrapper that emulates tee,
for instance (untested):
class tee(object):
def __init__(self, file_objs, autoflush=True):
self._files = file_objs
self._autoflush = autoflush
def write(self, buf):
for f in
On 13/11/14 10:05, Ian Kelly wrote:
On Wed, Nov 12, 2014 at 3:47 PM, Marko Rauhamaa ma...@pacujo.net wrote:
Ian Kelly ian.g.ke...@gmail.com:
Apart from idiomatic style, there is no difference between
# never reached
assert False
raise RuntimeError('Unreachable code reached')
On 13/11/14 03:57, Larry Martell wrote:
We were all making this much harder than it is. I ended up doing this:
wp = urllib.request.urlopen('http://php_page/?' + request.POST.urlencode())
pw = wp.read()
I was about that suggest that actually, just be careful to escape things
properly.
On 05/11/14 06:15, Roberto Martínez wrote:
The thing with this is tricky. I need the change in the instance,
not in the class, because I have multiple instances and all of
them must have different implementations of __call__.
Why not just use functions with closure if that's what you need?
On 04/07/14 07:55, Gregory Ewing wrote:
Steven D'Aprano wrote:
That's exactly the problem with tabs - whatever you think your code
looks like with tabs, other people will see quite different picture.
Why do you consider this a problem?
It's a problem if you try to use tabs for lining
On 25/06/14 16:20, candide wrote:
As explained by the docs, an assignment statement_evaluates_ the expression on the right
hand side. So we can deduce that at the very beginning of the 2nd prompt, the
result of the last evaluation is 43. Nevertheless, calling _ raises a NameError
exception!
On 22/06/14 10:46, smur...@gmail.com wrote:
I've been doing this with a classic session-based SQLAlchemy ORM, approach,
but that ends up way too slow and memory intense, as each thread gets its own copy of
every object it needs. I don't want that.
If you don't want each thread to have their
On 23/06/14 19:05, smur...@gmail.com wrote:
On Monday, June 23, 2014 5:54:38 PM UTC+2, Lie Ryan wrote:
If you don't want each thread to have their own copy of the object,
Don't use thread-scoped session. Use explicit scope instead.
How would that work when multiple threads traverse
On 22/01/13 04:02, kwakukwat...@gmail.com wrote:
f = open(r'c:\text\somefile.txt')
for i in range(3):
print str(i) + ': ' + f.readline(),
please with the print str(i) + ‘: ‘ + f.readline(), why not print str(i)
+ f.readline(),
Try running both code. What do you see? What's the
On 19/01/13 21:13, Santosh Kumar wrote:
I have a working script which takes argv[1] as an input, deassembles
each line, and then each word. Then after it capitalizes all its word
(upcases the first letter) and then prints it out on the stdout.
That script does the capitalization work fine, but,
On 19/01/13 00:43, Andrew Robinson wrote:
On 01/18/2013 08:47 AM, Stefan Behnel wrote:
Andrew Robinson, 18.01.2013 00:59:
I have a problem which may fit in a mysql database
Everything fits in a MySQL database - not a reason to use it, though.
Py2.5
and later ship with sqlite3 and if you go
On 20/01/13 08:22, Dennis Lee Bieber wrote:
On Sat, 19 Jan 2013 22:58:17 +1100, Lie Ryan lie.1...@gmail.com
Which is the same restriction as when using XML/JSON. What it means by
locking the entire database is that an sqlite database can only be
read/written by a single program at any moment
On 18/01/13 10:59, Andrew Robinson wrote:
Hi,
I have a problem which may fit in a mysql database, but which I only
have python as an alternate tool to solve... so I'd like to hear some
opinions...
Since you have a large dataset, you might want to use sqlite3
On 19/01/13 15:15, Chris Rebert wrote:
On Friday, January 18, 2013, Steven D'Aprano wrote:
I wish to add a key to a dict only if it doesn't already exist, but
do it
in a thread-safe manner.
The naive code is:
if key not in dict:
dict[key] = value
but of
On 18/01/13 02:02, Utpal Sarkar wrote:
Hi,
I was assuming that sys.stdout would be referencing the same physical stream as
iostreams::cout running in the same process, but this doesn't seem to be the
case.
The following code, which makes a call to a C++ function with a python wrapper called
On 17/01/13 11:34, iMath wrote:
To make a method or attribute private (inaccessible from the outside),
simply start its name with two underscores
《Beginning Python From Novice to Professional》
but there is another saying goes:
Beginning a variable name with a single underscore indicates
On 03/30/2012 06:25 AM, Steve Howell wrote:
On Mar 29, 11:53 am, Devin Jeanpierrejeanpierr...@gmail.com wrote:
Well, what sort of language differences make for English vs Mandarin?
Relational algebraic-style programming is useful, but definitely a
large language barrier to people that don't
On 03/18/2012 12:36 PM, Steven D'Aprano wrote:
On Sat, 17 Mar 2012 20:59:34 +0100, Kiuhnm wrote:
In the second example, most English speakers would intuit that print(i)
prints i, whatever i is.
There are two points where the code may be misunderstood, a beginner may
think that print i prints
On 03/21/2012 03:55 AM, Nathan Rice wrote:
In mathematics, when you perform global optimization you must be
willing to make moves in the solution space that may result in a
temporary reduction of your optimality condition. If you just perform
naive gradient decent, only looking to the change
On 03/21/2012 01:44 PM, Steve Howell wrote:
Also, don't they call those thingies object for a reason? ;)
A subject is (almost?) always a noun, and so a subject is also an object.
--
http://mail.python.org/mailman/listinfo/python-list
On 03/29/2012 03:04 AM, Javier wrote:
Yes, in general I follow clear guidelines for writing code. I just use
modules with functions in the same directory and clear use of name
spaces. I almost never use classes. I wonder if you use some tool for
refactoring. I am mainly intersted in scripting
On 02/18/2012 12:51 PM, Michael Torrie wrote:
On 02/16/2012 10:25 PM, 8 Dihedral wrote:
Android is a customized linux OS used in mobile phones. I don't think
any linux systm has to be locked by JAVA or any JVM to run
applications.
Getting waaa off topic here, but...
I guess you
On 01/26/2012 04:17 AM, K Richard Pixley wrote:
On 1/21/12 03:38 , Lie Ryan wrote:
It is only strictly necessary for programs that opens thousands of files
in a short while, since the operating system may limit of the number of
active file handlers you can have.
The number you're looking
On 01/21/2012 02:44 AM, Andrea Crotti wrote:
I normally didn't bother too much when reading from files, and for example
I always did a
content = open(filename).readlines()
But now I have the doubt that it's not a good idea, does the file
handler stays
open until the interpreter quits?
It is
On 01/15/2012 06:23 AM, Rick Johnson wrote:
So how do we solve this dilemma you ask??? Well, we need to mark
method OR variable names (OR both!) with syntactic markers so there
will be NO confusion.
Observe:
def $method(self):pass
self.@instanceveriable
self.@@classvariable
There is
On 01/10/2012 12:05 PM, Roy Smith wrote:
Somewhat more seriously, let's say you wanted to do test queries against
a database with 100 million records in it. You could rebuild the
database from scratch for each test, but doing so might take hours per
test. Sometimes, real life is just*so*
On 01/10/2012 12:16 AM, Ulrich Eckhardt wrote:
Am 09.01.2012 13:10, schrieb Lie Ryan:
I was just suggesting that what the OP thinks he wants is quite
likely not what he actually wants.
Rest assured that the OP has a rather good idea of what he wants and
why, the latter being something you
On 01/10/2012 03:59 AM, Ulrich Eckhardt wrote:
There is another dependency and that I'd call a logical dependency. This
occurs when e.g. test X tests for an API presence and test Y tests the
API behaviour. In other words, Y has no chance to succeed if X already
failed. Unfortunately, there is
On 01/09/2012 04:35 PM, John Nagle wrote:
A type-inferring compiler has to analyze the whole program at
once, because the type of a function's arguments is determined
by its callers. This is slow. The alternative is to guess
what the type of something is likely to be, compile code at
run time,
On 01/11/2012 01:05 AM, Roy Smith wrote:
In articlemailman.4588.1326198152.27778.python-l...@python.org,
Lie Ryanlie.1...@gmail.com wrote:
On 01/10/2012 12:05 PM, Roy Smith wrote:
Somewhat more seriously, let's say you wanted to do test queries against
a database with 100 million records
On 01/09/2012 09:03 AM, Eelco wrote:
i havnt read every post in great detail, but it doesnt seem like your
actual question has been answered, so ill give it a try.
AFAIK, changing __dict__ to be an ordereddict is fundamentally
impossible in python 2. __dict__ is a builtin language construct
On 01/04/2012 05:24 AM, gene heskett wrote:
On Tuesday, January 03, 2012 01:13:08 PM John Ladasky did opine:
On Jan 3, 7:40 am, BVbv5bv5...@yahoo.com wrote:
MOST COMMON QUESTIONS ASKED BY NON-MUSLIMS
Q0. Why do thousand-line religious posts appear in comp.lang.python?
Already discussed,
On 01/06/2012 08:48 PM, Ulrich Eckhardt wrote:
Hi!
The topic explains pretty much what I'm trying to do under Python
2.7[1]. The reason for this is that I want dir(SomeType) to show the
attributes in the order of their declaration. This in turn should
hopefully make unittest execute my tests in
On 01/07/2012 12:36 AM, Ulrich Eckhardt wrote:
Am 06.01.2012 12:43, schrieb Lie Ryan:
On 01/06/2012 08:48 PM, Ulrich Eckhardt wrote:
Hi!
The topic explains pretty much what I'm trying to do under Python
2.7[1]. The reason for this is that I want dir(SomeType) to show the
attributes
On 01/07/2012 04:20 AM, Ian Kelly wrote:
On Fri, Jan 6, 2012 at 10:01 AM, Lie Ryanlie.1...@gmail.com wrote:
That unittest executes its tests in alphabetical order is implementation
detail for a very good reason, and good unittest practice dictates that
execution order should never be defined
On 01/07/2012 06:50 AM, Ian Kelly wrote:
On Fri, Jan 6, 2012 at 12:29 PM, dmitreydmitre...@gmail.com wrote:
Python build-in function sum() has no attribute func_code, what should
I do in the case?
Built-in functions and C extension functions have no code objects, and
for that reason they
On 01/07/2012 11:49 AM, Steven D'Aprano wrote:
You may not be able to run tests*simultaneously*, due to clashes
involving external resources, but you should be able to run them in
random order.
tests that involves external resources should be mocked, although there
are always a few external
On 01/05/2012 11:29 AM, Andres Soto wrote:
my mistake is because I have no problem to do that using Prolog which
use an interpreter as Python. I thought that the variables in the main
global memory space (associated with the command line environment) were
kept, although the code that use it
On 01/05/2012 03:41 PM, Evan Driscoll wrote:
On 1/4/2012 9:56 AM, Sean Wolfe wrote:
I am still living in the 2.x world because all the things I want to do
right now in python are in 2 (django, pygame). But I want to be
excited about the future of the language. I understand the concept of
On 01/06/2012 03:04 AM, Andres Soto wrote:
Please, see my comments between your lines. Thank you very much for
your explanation!
*
*
*From:* Lie Ryan lie.1...@gmail.com
*To:* python-list@python.org
*Sent:* Thursday, January 5, 2012 2:30 AM
*Subject:* Re: a little
On 01/02/2012 11:20 PM, Peter Otten wrote:
Felinx Lee wrote:
I have removed those packages (girlfriend and others) from PyPI forever, I
apologize for that.
The thought police has won :(
I think the community has a right to defend themselves against trolls.
If it's just bad naming, we can
On 01/02/2012 09:33 AM, Robert Kern wrote:
On 1/1/12 10:18 PM, Matt Chaput wrote:
Someone seems to be spamming PyPI by uploading multiple stupid
packages. Not sure if it's some form of advertising spam or just idiocy.
Don't know if we should care though... maybe policing uploads is worse
than
On 12/31/2011 08:48 AM, Ian Kelly wrote:
But they are two distinct function objects, and there is no way
programmatically to determine that they are the same function except
by comparing the bytecode (which won't work generally because of the
halting problem).
Actually, it is often possible
On 01/01/2012 05:44 AM, davidfx wrote:
Thanks for your response. I know the following code is not going to be correct
but I want to show you what I was thinking.
formatter = %r %r %r %r
print formatter % (1, 2, 3, 4)
What is the .format version of this concept?
I don't think the
On 12/29/2011 12:44 PM, Dan Sommers wrote:
On Wed, 28 Dec 2011 22:54:16 +, Steven D'Aprano wrote:
On Wed, 28 Dec 2011 11:36:17 -0800, Rick Johnson wrote:
The point is people, we should be using string delimiters that are
ANYTHING besides and '. Stop being a sheep and use your brain!
On 12/30/2011 12:23 AM, Steven D'Aprano wrote:
On Thu, 29 Dec 2011 03:55:14 -0800, Eelco wrote:
I would argue that the use of single special characters to signal a
relatively complex and uncommon construct is exactly what I am trying to
avoid with this proposal.
This would be the proposal to
On 12/28/2011 11:57 AM, Rick Johnson wrote:
On Dec 27, 3:38 pm, Terry Reedytjre...@udel.edu wrote:
On 12/27/2011 1:04 PM, Rick Johnson wrote:
But this brings up a very important topic. Why do we even need triple
quote string literals to span multiple lines? Good question, and one i
have
On 12/29/2011 05:02 AM, Nirmal Kumar wrote:
I am trying to pass the id to thanks view through reverse. But it's not
working. I'm getting this error
Reverse for 'reg.views.thanks' with arguments '(20,)' and keyword arguments
'{}' not found.
I posted the question with the code in
On 12/29/2011 06:36 AM, Rick Johnson wrote:
mlstr = |||
this is a
multi line sting that is
delimited by triple pipes. Or we
could just 'single pipes' if we like, however, i think
the triple pipe' is easier to see. Since the pipe char
is so rare in Python source, it becomes the obvious
choice.
On 12/28/2011 04:34 PM, Rick Johnson wrote:
On Dec 27, 9:49 pm, Rick Johnsonrantingrickjohn...@gmail.com wrote:
The fact is...even with the multi-line issue solved, we still have two
forms of literal delimiters that encompass two characters resulting in
*four* possible legal combinations of
On 12/28/2011 11:08 PM, Eelco wrote:
I personally feel any performance benefits are but a plus; they are
not the motivating factor for this idea. I simply like the added
verbosity and explicitness, thats the bottom line.
Any performance benefits are a plus, I agree, as long as it doesn't make
On 12/28/2011 03:03 AM, W. eWatson wrote:
Here's the traceback.
The traceback seems to imply that matplotlib is not being installed
properly. Have you tried uninstalling then reinstalling matplotlib?
--
http://mail.python.org/mailman/listinfo/python-list
On 12/27/2011 06:14 AM, Yigit Turgut wrote:
On Dec 26, 8:58 pm, Lie Ryanlie.1...@gmail.com wrote:
On 12/27/2011 04:08 AM, Yigit Turgut wrote:
not your fault, I made a mistake when copy-pasteing the code, here's the
fixed code:
from itertools import izip_longest
def to_square(data):
On 12/27/2011 05:26 PM, Littlefield, Tyler wrote:
Hello all:
I have a basic server I am working on, and wanted some input with an
error I'm getting.
I am initializing the logger like so:
if __name__ == __main__:
observer = log.PythonLoggingObserver()
observer.start()
On 12/27/2011 12:43 PM, Fredrik Tolf wrote:
Dear list,
Lately, I've had a personal itch to scratch, in that I run a couple of
Python programs as daemons, and sometimes want to inspect or alter them
in ad-hoc ways, or other times need to do things to them that are less
ad-hoc in nature, but
On 12/28/2011 03:37 AM, Rick Johnson wrote:
My logic is this:
Including an IDE in the stdlib may have been a bad idea (although
i understand and support Guido's original vision for IDLE). But since
we do have it, we need to either MAINTAIN the package or REMOVE it. We
cannot just stick our
On 12/27/2011 10:41 PM, Eelco wrote:
*Your suggestion of VIM is especially objectionable. Though I am sure
it is a great tool to you, the subject here is beginner education.
Just because it is a good tool for you, does not make it a good tool
for a beginner.
Before using VIM, I used to use
On 12/28/2011 05:11 AM, Rick Johnson wrote:
On Dec 27, 11:50 am, Lie Ryanlie.1...@gmail.com wrote:
In case you haven't realised it, it is pretty
much impossible for a large open source project to die; even if Guido
decided to remove IDLE from the standard library
I don't remember stating
On 12/28/2011 05:04 AM, Rick Johnson wrote:
--
Note: superfluous indention removed for clarity!
--
On Dec 27, 8:53 am, Dennis Lee Bieberwlfr...@ix.netcom.com wrote:
You can get by without the backslash in this situation too, by using
triple quoting:
I would not do that because:
1. Because
On 12/26/2011 05:27 AM, Yigit Turgut wrote:
On Dec 25, 7:06 pm, Rick Johnsonrantingrickjohn...@gmail.com wrote:
On Dec 25, 9:33 am, Yigit Turguty.tur...@gmail.com wrote:
Hi all,
I have a text file as following;
0.2000470.00
0.2000530.16
0.2000590.00
On 12/26/2011 12:04 PM, Felipe O wrote:
Hi all,
Whenever I take any input (raw_input, of course!) or I read from a
file, etc., any backslashes get escaped automatically.
Python never escapes backslashes when reading from raw_input or files.
Python only ever escapes backslashes when displaying
On 12/27/2011 04:08 AM, Yigit Turgut wrote:
On Dec 26, 11:28 am, Lie Ryanlie.1...@gmail.com wrote:
On 12/26/2011 05:27 AM, Yigit Turgut wrote:
On Dec 25, 7:06 pm, Rick Johnsonrantingrickjohn...@gmail.comwrote:
On Dec 25, 9:33 am, Yigit Turguty.tur...@gmail.comwrote:
Hi all,
On 12/27/2011 04:48 PM, Fredrik Tolf wrote:
On Mon, 26 Dec 2011, K. Richard Pixley wrote:
I don't understand. Can anyone explain?
I'm also a bit confused about __new__. I'd very much appreciate it if
someone could explain the following aspects of it:
* The manual
On 12/25/2011 08:38 PM, Nobody wrote:
nothing should compare equal to None except for None itself, so x is None
and x == None shouldn't produce different results unless there's a
bug in the comparison method.
not necessarily, for example:
import random
class OddClass:
def __eq__(self,
On 12/26/2011 01:13 AM, Roy Smith wrote:
In articlemailman.4066.1324820148.27778.python-l...@python.org,
Chris Angelicoros...@gmail.com wrote:
On Mon, Dec 26, 2011 at 12:17 AM, Roy Smithr...@panix.com wrote:
Just for fun, I tried playing around with subclassing NoneType and
writing an
On 12/22/2011 10:20 AM, Dennis Lee Bieber wrote:
which is to define the names a, b, and c, and connects the three
names to the single object (integer 7 or new empty list).
note that this connects and disconnecting business is more commonly
referred to in python parlance as binding a name to
On 12/24/2011 07:25 PM, Steven D'Aprano wrote:
I'd use a function attribute.
def func(x, y=None):
if y is None:
y = func.default_y
...
func.default_y = []
That's awkward only if you believe function attributes are awkward.
I do. All you've done is move the default from *before*
On 12/19/2011 12:16 AM, nukeymusic wrote:
On 18 dec, 13:39, Lie Ryanlie.1...@gmail.com wrote:
On 12/18/2011 10:00 PM, nukeymusic wrote:
How can I load a python-script after starting python in the
interactive mode?
I tried with
load 'myscript.py'
myscript.py
myscript
but none of
On 12/18/2011 10:00 PM, nukeymusic wrote:
How can I load a python-script after starting python in the
interactive mode?
I tried with
load 'myscript.py'
myscript.py
myscript
but none of these works, so the only way I could work further until
now was copy/paste line per line of my python-script
On 12/18/2011 10:43 PM, Peter Otten wrote:
nukeymusic wrote:
On 17 dec, 12:20, Günther Dietrichgd.use...@spamfence.net wrote:
nukeymusicnukeymu...@gmail.com wrote:
I'm trying to calculate the difference in seconds between two
[...]
import datetime
date1 =
On 12/17/2011 01:30 AM, Brad Tilley wrote:
Or perhaps run should look like this instead:
def run(t):
lock.acquire()
shared_container.append(t.name http://t.name)
lock.release()
That seems a bit barbaric to me, not sure.
change that to:
def run(t):
with
On 12/17/2011 01:40 PM, YAN HUA wrote:
Hi,all. Could anybody tell how this code works?
root = [None, None]
First, you're creating a list of two None, let's say it's list-1. Then
you bind the name 'root' to list-1.
root[:] = [root, root]
Next, you assign list-1's first member with
On 12/15/2011 03:56 AM, Eric Snow wrote:
On Tue, Dec 13, 2011 at 11:05 PM, Eric Snowericsnowcurren...@gmail.com wrote:
If you want to be more dynamic about it you can do it, but it involves
black magic. Chances are really good that being explicit through your
class definition is the right
On 12/09/2011 03:57 PM, alex23 wrote:
On Dec 9, 11:46 am, Lie Ryanlie.1...@gmail.com wrote:
perhaps the one that talks about `a, a.foo = 1, 2` blowing up?
Are you sure you're not confusing this with the recent thread on 'x =
x.thing = 1'?
Ah, yes I do
--
On 12/09/2011 10:27 PM, Steven D'Aprano wrote:
On Thu, 08 Dec 2011 10:30:01 +0100, Hrvoje Niksic wrote:
In a language like Python, the difference between O(1) and O(log n) is
not the primary reason why programmers use dict; they use it because
it's built-in, efficient compared to alternatives,
On 12/11/2011 11:17 AM, Chris Angelico wrote:
On Sun, Dec 11, 2011 at 10:58 AM, Lie Ryanlie.1...@gmail.com wrote:
On 12/09/2011 10:27 PM, Steven D'Aprano wrote:
Except for people who needed dicts with tens of millions of items.
who should be using a proper DBMS in any case.
Not
On 12/01/2011 08:03 AM, Andrew Berg wrote:
I've done some research, but I'm not sure what's most appropriate for my
situation. What I want to do is have a long running process that spawns
processes (that aren't necessarily written in Python) and communicates
with them. The children can be
On 12/09/2011 07:13 AM, Ethan Furman wrote:
Jean-Michel Pichavant wrote:
You have to opportunity to not use unpacking anymore :o) There is a
recent thread were the dark side of unpacking was exposed. Unpacking
is a cool feautre for very small applications but should be avoided
whenever possible
On 12/09/2011 09:41 AM, Frank van den Boom wrote:
What can I do, to prevent pressing the return key?
I didn't have Windows 7 right now, but that shouldn't happen with the
code you've given; when trimming code for posting, you should check that
the trimmed code still have the exact same
On 11/30/2011 06:09 AM, DPalao wrote:
Hello,
I'm trying to use multiprocessing to parallelize a code. There is a number of
tasks (usually 12) that can be run independently. Each task produces a numpy
array, and at the end, those arrays must be combined.
I implemented this using Queues
On 12/05/2011 10:18 PM, Suresh Sharma wrote:
Pls help its really frustrating
-- Forwarded message --
From: Suresh Sharma
Date: Monday, December 5, 2011
Subject: class print method...
To: d...@davea.name mailto:d...@davea.name d...@davea.name
mailto:d...@davea.name
Dave,
Thanx
On 12/05/2011 07:01 PM, Wolfgang Strobl wrote:
Pedro Henrique G. Soutopedro.h.so...@gmail.com:
On 02/12/2011 16:34, snorble wrote:
Is it possible to automate the Python installation on Windows using
the MSI file so it does not add a Start Menu folder? I would like to
push out Python to all of
On 12/02/2011 03:29 PM, 8 Dihedral wrote:
I clear my point a hash is a collection of (key, value) pairs that have
well defined methods and behavior to be used in programming.
The basic operations of a hash normally includes the following:
1. insertion of a (key, value) pair into the hash
On 12/02/2011 04:48 PM, 8 Dihedral wrote:
On Friday, December 2, 2011 1:00:10 PM UTC+8, Chris Angelico wrote:
On Fri, Dec 2, 2011 at 3:29 PM, 8 Dihedral
dihedr...@googlemail.com wrote:
I clear my point a hash is a collection of (key, value) pairs that have
well defined methods and
On 12/05/2011 11:52 AM, 8 Dihedral wrote:
On Monday, December 5, 2011 7:24:49 AM UTC+8, Ian wrote:
On Sun, Dec 4, 2011 at 4:17 PM, 8 Dihedral
dihedr...@googlemail.com wrote:
Please explain what you think a hash function is, then. Per
Wikipedia, A hash function is any algorithm or
On 10/31/2011 11:01 PM, dhyams wrote:
Thanks for all of the responses; everyone was exactly correct, and
obeying the binding rules for special methods did work in the example
above. Unfortunately, I only have read-only access to the class
itself (it was a VTK class wrapped with SWIG), so I had
On 11/08/2011 01:21 PM, Travis Parks wrote:
On Nov 7, 12:44 pm, John Gordongor...@panix.com wrote:
Inj98tnf$qh...@reader1.panix.com John Gordongor...@panix.com writes:
In415d875d-bc6d-4e69-bcf8-39754b450...@n18g2000vbv.googlegroups.com Travis
Parksjehugalea...@gmail.com writes:
Which
On 11/07/2011 05:04 PM, John Nagle wrote:
Realize that SQLite is not a high-performance multi-user database.
You use SQLite to store your browser preferences, not your customer
database.
I agree with SQLite is not multi-user; I disagree that SQLite is not a
high-performance database. In
On 10/25/2011 03:30 AM, Alec Taylor wrote:
Good morning,
I'm often generating DDLs from EER-Logical diagrams using tools such
as PowerDesigner and Oracle Data Modeller.
I've recently come across an ORM library (SQLalchemy), and it seems
like a quite useful abstraction.
Is there a way to
On 10/29/2011 05:20 AM, Ethan Furman wrote:
Python only looks up __xxx__ methods in new-style classes on the class
itself, not on the instances.
So this works:
8
class Cow(object):
pass
def attrgetter(self, a):
print CAUGHT:
On 10/28/2011 08:48 AM, DevPlayer wrote:
On Oct 27, 3:59 pm, Andy Dingleyding...@codesmiths.com wrote:
I have some XML, with a variable and somewhat unknown structure. I'd
like to encapsulate this in a Python class and expose the text of the
elements within as properties.
How can I
On 06/29/2011 02:52 AM, Jigar Tanna wrote:
coming across to certain views from people, it is not a good practice
to use
decorators with arguments (i.e. @memoize() ) and instead it is good to
just
use @memoize. Can any of you guys explain me advantages and
disadvantages of
using each of
On 06/18/11 00:45, Franck Ditter wrote:
Hi, I'm just wondering about the complexity of some Python operations
to mimic Lisp car and cdr in Python...
def length(L) :
if not L : return 0
return 1 + length(L[1:])
Should I think of the slice L[1:] as (cdr L) ? I mean, is the slice
a
On 06/20/11 00:32, TheSaint wrote:
Hello
Trying to pop some key from a dict while is iterating over it will cause an
exception.
How I can remove items when the search result is true.
Example:
while len(dict):
for key in dict.keys():
if dict[key] is not my_result:
On 06/20/11 02:52, Laurent Claessens wrote:
Popping task off the end of the list is more efficient:
while task_list:
task_list.pop().start()
That's cool. In my case it's better to do
task_list.pop(0).start
in order to pop the first element.
then you really wanted a queue instead
On 06/18/11 03:53, Xah Lee wrote:
On Jun 15, 5:43 am, rusi rustompm...@gmail.com wrote:
On Jun 15, 5:32 pm, Dotan Cohen dotanco...@gmail.com wrote:
Thanks. From testing small movements with my fingers I see that the
fourth finger is in fact a bit weaker than the last finger, but more
On 06/19/11 15:14, rusi wrote:
On Jun 19, 9:21 am, Lie Ryan lie.1...@gmail.com wrote:
On 06/18/11 03:53, Xah Lee wrote:
On Jun 15, 5:43 am, rusi rustompm...@gmail.com wrote:
On Jun 15, 5:32 pm, Dotan Cohen dotanco...@gmail.com wrote:
Thanks. From testing small movements with my fingers I
On 04/06/11 01:07, Steven D'Aprano wrote:
On Tue, 05 Apr 2011 15:38:28 +0200, Daniel Fetchinson wrote:
Personally, I find that the discipline of keeping to 80 characters is
good for me. It reduces the temptation of writing obfuscated Python one-
liners when two lines would be better. The
On 04/09/11 01:08, Aahz wrote:
Actually, my take is that removing __cmp__ was a mistake. (I already
argued about it back in python-dev before it happened, and I see little
point rehashing it. My reason is strictly efficiency grounds: when
comparisons are expensive -- such as Decimal object
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