On Tue, Oct 8, 2013 at 5:48 PM, wrote:
> And if we were actually trying then that filename should just be "/w". Would
> get rid of another 19 chars.
I'm working this on the assumption that the dictionary file already
exists (that's where it is on my Debian Linux systems, for instance)
and shoul
On Monday, October 7, 2013 8:45:39 PM UTC-10, spruce...@gmail.com wrote:
> On Monday, October 7, 2013 8:17:21 PM UTC-10, Chris Angelico wrote:
>
> > Who's up for some fun? Implement an XKCD-936-compliant password
>
> >
>
> > generator in Python 3, in less code than this:
>
> >
>
> >
>
> >
On Monday, October 7, 2013 8:17:21 PM UTC-10, Chris Angelico wrote:
> Who's up for some fun? Implement an XKCD-936-compliant password
>
> generator in Python 3, in less code than this:
>
>
>
> print(*__import__("random").sample(open("/usr/share/dict/words").read().split("\n"),4))
>
>
>
> Sec
On 08/10/2013 06:44, rusi wrote:
On Tuesday, October 8, 2013 10:46:50 AM UTC+5:30, Ravi Sahni wrote:
With due respect Sir, you saying that Turing machine not a machine?
Very confusion Sir!!!
Thanks Ravi for the 'due respect' though it is a bit out of place on a list
like this :-)
With due
Who's up for some fun? Implement an XKCD-936-compliant password
generator in Python 3, in less code than this:
print(*__import__("random").sample(open("/usr/share/dict/words").read().split("\n"),4))
Second challenge: Use it for generating all your passwords :)
[1] https://en.wikipedia.org/wiki/C
On Tuesday, October 8, 2013 10:49:11 AM UTC+5:30, zipher wrote:
> I don't have an infinite stack to implement
> lambda calculus, but...
And then
> But this is not a useful formalism. Any particular Program implements
> a DFA, even as it runs on a TM. The issue of whether than TM is
> finite or
On Tuesday, October 8, 2013 10:46:50 AM UTC+5:30, Ravi Sahni wrote:
> With due respect Sir, you saying that Turing machine not a machine?
> Very confusion Sir!!!
Thanks Ravi for the 'due respect' though it is a bit out of place on a list
like this :-)
Thanks even more for the 'very confusion'.
> On Tuesday, October 8, 2013 5:54:10 AM UTC+5:30, zipher wrote:
>> Now, one can easily argue that I've gone too far to say "no one has
>> understood it" (obviously), so it's very little tongue-in-cheek, but
>> really, when one tries to pretend that one model of computation can be
>> substituted fo
On Tue, Oct 8, 2013 at 8:47 AM, rusi wrote:
> I can only say how ironic it sounds to someone who is familiar with the
> history of our field:
> Turing was not a computer scientist (the term did not exist then) but a
> mathematician. And his major contribution was to create a form of argument
>
>> Yeah, and this is where two models of computation have been conflated,
>> creating magical effects, confusing everybody. I challenge you to get
>> down to the machine code in scheme and formally describe how it's
>> doing both.
>
> Which two models of computation are you talking about? And what
>>> But even putting that aside, even if somebody wrote such a description,
>>> it would be reductionism gone mad. What possible light on the problem
>>> would be shined by a long, long list of machine code operations, even
>>> if written using assembly mnemonics?
>>
>> Only that you've got a consi
On Tuesday, October 8, 2013 5:54:10 AM UTC+5:30, zipher wrote:
> Now, one can easily argue that I've gone too far to say "no one has
> understood it" (obviously), so it's very little tongue-in-cheek, but
> really, when one tries to pretend that one model of computation can be
> substituted for anot
Steven D'Aprano writes:
> Far more useful would be a high-level description of Scheme's programming
> model. If names can be rebound on the fly, how does Scheme even tell
> whether something is a recursive call or not?
Maybe it doesn't have to tell. If you do tail call optimization there is no
Mark Janssen writes:
> Yeah, and this is where two models of computation have been conflated,
> creating magical effects, confusing everybody. I challenge you to get
> down to the machine code in scheme and formally describe how it's
> doing both.
Which two models of computation are you talking
On Mon, 07 Oct 2013 17:16:35 -0700, Mark Janssen wrote:
> It's like this: there *should* be one-to-one mappings between the
> various high-level constructs to the machine code, varying only between
> different chips (that is the purpose of the compiler after all), yet for
> some operations, in lan
On Mon, Oct 7, 2013 at 4:50 PM, Steven D'Aprano
wrote:
> On Mon, 07 Oct 2013 15:47:26 -0700, Mark Janssen wrote:
>> I challenge you to get
>> down to the machine code in scheme and formally describe how it's doing
>> both.
>
> For which machine?
Right, I should stop assuming a modern implementati
> Only that you've got a consistent, stable (and therefore,
> formalizable) translation from your language to the machine. That's
> all. Everything else is magic. Do you know that the Warren
> Abstraction Engine used to power the predicate logic in Prolog into
> machien code for a VonNeumann mac
On Mon, 07 Oct 2013 15:47:26 -0700, Mark Janssen wrote:
> I challenge you to get
> down to the machine code in scheme and formally describe how it's doing
> both.
For which machine?
Or are you assuming that there's only one machine code that runs on all
computing devices?
Frankly, asking some
>> That's fine. My point was: you can't at the same time have full
>> dynamicity *and* procedural optimizations (like tail call opt).
>> Everybody should be clear about the trade-off.
>
> Your wrong. Full dynamics is not in contradiction with tail call
> optimisation. Scheme has already done it for
Alain Ketterlin writes:
> BTW, does the original callable object have a ref counter? Is it garbage
> collected in that case? If not, would it be considered a bug?
In CPython ALL objects have ref counters.
--
Piet van Oostrum
WWW: http://pietvanoostrum.com/
PGP key: [8DAE142BE17999C4]
--
https
Wow, Steven, that was a great, detailed reply. I hope you will forgive me for
shortcutting to the end, because I've been hacking away for a few hours and
came to this very conclusion:
On Monday, October 7, 2013 2:13:10 PM UTC-7, Steven D'Aprano wrote:
> In general, you should aim to use either
On 07/10/2013 18:57, Antoon Pardon wrote:
Op 07-10-13 19:15, Alain Ketterlin schreef:
I want to consider here what it would mean to concretely
implement the abstract notion 'disallow rebinding of function
names' and show what would be behind calling the idea 'not
feasible'.
Again, I'm more con
On Tue, Oct 8, 2013 at 7:00 AM, BobAalsma wrote:
> Well Joel, umm, I'm not sure if I understand you correctly.
>
> $ python babel
> /Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python:
> can't open file 'babel': [Errno 2] No such file or directory
If the
On Sat, Oct 5, 2013, at 3:39, Antoon Pardon wrote:
> What does this mean?
>
> Does it mean that a naive implementation would arbitrarily mess up
> stack traces and he wasn't interested in investigating more
> sophisticated implementations?
>
> Does it mean he just didn't like the idea a stack tra
On Mon, Oct 7, 2013, at 13:15, Alain Ketterlin wrote:
> That's fine. My point was: you can't at the same time have full
> dynamicity *and* procedural optimizations (like tail call opt).
> Everybody should be clear about the trade-off.
Let's be clear about what optimizations we are talking about. T
On Mon, 07 Oct 2013 09:26:51 -0700, John Ladasky wrote:
> Thanks, everyone, for your replies. Perhaps I have complicated things
> unnecessarily? I was just trying to do some error-checking on the
> arguments supplied to the class constructor. Perhaps Python already
> implements automatically wh
On Saturday, October 5, 2013 9:04:25 PM UTC-7, John Ladasky wrote:
> Hi folks,
>
>
>
> I'm trying to make some of Python class definitions behave like the ones I
> find in professional packages, such as Matplotlib. A Matplotlib class can
> often have a very large number of arguments -- some o
On 10/7/2013 1:15 PM, Alain Ketterlin wrote:
Terry Reedy writes:
3. Python does not mandate how namespaces are implemented. CPython
uses both dicts and, for function local namespaces, internal C arrays.
So 'names' in code can become either string keys for dicts or integer
indexes for arrays.
On Mon, Oct 7, 2013 at 4:00 PM, BobAalsma wrote:
> Well Joel, umm, I'm not sure if I understand you correctly.
>
> $ python babel
> /Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python:
> can't open file 'babel': [Errno 2] No such file or directory
>
> And
Op 07-10-13 19:15, Alain Ketterlin schreef:
I want to consider here what it would mean to concretely implement the
abstract notion 'disallow rebinding of function names' and show what
would be behind calling the idea 'not feasible'.
Again, I'm more concerned about the function than about the na
Well Joel, umm, I'm not sure if I understand you correctly.
$ python babel
/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python:
can't open file 'babel': [Errno 2] No such file or directory
And
$ python
Python 2.7.5 (v2.7.5:ab05e7dd2788, May 13 2013, 13
On Oct 7, 2013 9:36 PM, "Duncan Booth" wrote:
>
> Skip Montanaro wrote:
>
> > On Mon, Oct 7, 2013 at 1:08 PM, Tobiah wrote:
> >> I just noticed this:
> >>
> >>
> >> http://dev.mysql.com/doc/connector-python/en/index.html
> >
> > * Does it adhere to the Python database API?
> > http://www.python.
Skip Montanaro wrote:
> On Mon, Oct 7, 2013 at 1:08 PM, Tobiah wrote:
>> I just noticed this:
>>
>>
>> http://dev.mysql.com/doc/connector-python/en/index.html
>
> * Does it adhere to the Python database API?
> http://www.python.org/dev/peps/pep-0249/
>
> * Is source available?
>
> * Does it h
On Mon, Oct 7, 2013 at 3:12 PM, BobAalsma wrote:
> Hi,
>
> I'm following webapp2 documentation (release 2.1).
>
> I made a mistake in following the text.
> I typed "pip install babel" and this led to errors in the installation.
> As that user is not in sudo list, I changed users, typed "sudo pip i
Hi,
I'm following webapp2 documentation (release 2.1).
I made a mistake in following the text.
I typed "pip install babel" and this led to errors in the installation.
As that user is not in sudo list, I changed users, typed "sudo pip install
babel" and everything seemed right.
Further on, the
On Mon, Oct 7, 2013 at 1:08 PM, Tobiah wrote:
> I just noticed this:
>
>
> http://dev.mysql.com/doc/connector-python/en/index.html
* Does it adhere to the Python database API?
http://www.python.org/dev/peps/pep-0249/
* Is source available?
* Does it have a reasonable open source license?
These
I just noticed this:
http://dev.mysql.com/doc/connector-python/en/index.html
What are the thoughts on this vs. the MySQLdb with which
I'm familiar?
I also noticed MySQLdb2. I was wondering whether to use
this version on a new project that is likely to take some
months to develop.
Thanks,
T
Terry Reedy writes:
> On 10/4/2013 5:49 AM, Alain Ketterlin wrote:
>
>> I think allowing rebinding of function names is extremely strange,
>
> Steven already countered the 'is extremely strange' part by showing
> that such rebinding is common, generally useful, and only occasionally
> dodgy and a
On Monday, October 7, 2013 9:26:51 AM UTC-7, I wrote:
> Here is one more detail which may be relevant. The base class for the family
> of classes I am developing is a numpy.ndarray. The numpy.ndarray is a C
> extension type (and if I understand correctly, that means it is immutable by
> ordina
Thanks, everyone, for your replies. Perhaps I have complicated things
unnecessarily? I was just trying to do some error-checking on the arguments
supplied to the class constructor. Perhaps Python already implements
automatically what I am trying to accomplish manually? I'll tinker around wit
markot...@gmail.com writes:
> This is the code i came up with:
> from teisendaja import *
> from operator import *
> import binascii
>
> teisendus = teisendus()
> kood = input("Kood: ")
> key = input("Võti: ")
>
> chunksize = 2
> vastus = [teisendus.teisendus3(16,2,kood[i: (i + chunksize)]) for i
On 07/10/2013 14:54, markot...@gmail.com wrote:
I forgot to tell. The teisendaja module that i have imported, is a number
converter that allow to convert numbers from one base to another. i mostly use
it for HEX to BIN and vice versa, but it supports other bases too.
That's nice to know, but
I forgot to tell. The teisendaja module that i have imported, is a number
converter that allow to convert numbers from one base to another. i mostly use
it for HEX to BIN and vice versa, but it supports other bases too.
--
https://mail.python.org/mailman/listinfo/python-list
esmaspäev, 7. oktoober 2013 4:27.44 UTC+3 kirjutas Piet van Oostrum:
> markot...@gmail.com writes:
>
>
>
> > problem is : Traceback (most recent call last):
>
> > File "C:\Users\Marko\Desktop\hacker.org\XOR cypher.py", line 35, in
> >
>
> > print("Key-" + str(võti) + ": " + str("".j
> What makes Matplotlib so professional?
>
> Assuming that "professional" packages necessarily do the right thing is
> an unsafe assumption. Many packages have *lousy* interfaces.
Not that it's a complete explanation for matplotlib's interfaces, but
it did start out as a Python-based replacement f
On Mon, Oct 7, 2013 at 5:56 PM, Walter Hurry wrote:
> On Thu, 03 Oct 2013 11:35:00 +, Steven D'Aprano wrote:
>
>> On Thu, 03 Oct 2013 09:21:08 +0530, Ravi Sahni wrote:
>>
>>> On Thu, Oct 3, 2013 at 2:43 AM, Walter Hurry
>>> wrote:
Ding ding! Nikos is simply trolling. It's easy enough to
On 2013-10-07 12:26, Walter Hurry wrote:
> The 'Goodbye' post was made in rather a fit of pique, for which I
> apologise. If I am allowed a second chance, there is actually
> something puzzling me at the moment. It's a UnicodeDecodeError, but
> I shall start a separate thread about it.
Indeed, th
On Mon, Oct 7, 2013 at 11:26 PM, Walter Hurry wrote:
> The 'Goodbye' post was made in rather a fit of pique, for which I
> apologise. If I am allowed a second chance, there is actually something
> puzzling me at the moment. It's a UnicodeDecodeError, but I shall start
> a separate thread about it.
On Thu, 03 Oct 2013 11:35:00 +, Steven D'Aprano wrote:
> On Thu, 03 Oct 2013 09:21:08 +0530, Ravi Sahni wrote:
>
>> On Thu, Oct 3, 2013 at 2:43 AM, Walter Hurry
>> wrote:
>>> Ding ding! Nikos is simply trolling. It's easy enough to killfile him
>>> but inconvenient to skip all the answers to
On 07.10.2013 03:54, galeom...@gmail.com wrote:
https://docs.google.com/file/d/0B2D69u2pweEvelh1T25ra19oZEU/edit?usp=sharing
For the readers who don't bother clicking on the link above: It's a
short video where the OP demonstrates how her/his usage of tail doesn't
work.
no matter call tai
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