Alexander Blinne n...@blinne.net writes:
def gen_s():
s = [1]
m = skipdups(heapq.merge(*[(lambda j: (k*j for k in s))(n) for n in
[2,3,5]]))
yield s[0]
while True:
k = m.next()
s.append(k)
yield k
Nice. I wouldn't have been sure that for k in s worked properly
On 15.06.2012 09:00, Paul Rubin wrote:
Alexander Blinne n...@blinne.net writes:
def gen_s():
s = [1]
m = skipdups(heapq.merge(*[(lambda j: (k*j for k in s))(n) for n in
[2,3,5]]))
yield s[0]
while True:
k = m.next()
s.append(k)
yield k
Nice. I wouldn't have
On Fri, 15 Jun 2012, Alexander Blinne wrote:
How do Haskell or Scheme determine when elements are not longer needed?
Just like Python, they use garbage collection - in one sentence, if it can
be proved the object (not a OO-object, just a piece of data) will no
longer be needed, it can be
Alexander Blinne n...@blinne.net writes:
An Element of s could be discarded, after every one of the three (k*j
for k in s)-generators went over it. I don't think that this is possible
with one deque (at least with the built-in merger of heapq, a
self-written one could be adapted). Storing
On 6/15/2012 1:03 PM, Tomasz Rola wrote:
Last time I checked, Python didn't have linked lists - arrayed lists are
nice, but their elements can't be automatically GC-ed (or, this requires
very nontrivial GC algorithm), the easiest way I can think would be
replacing them with None manually. I'm
Terry Reedy tjre...@udel.edu writes:
Python iterators can do lazy evaluation. All the builtin classes come
with a corresponding iterator. ...
I wouldn't say iterators do lazy evaluation in the Scheme or Haskell
sense. Lazy evaluation imho means evaluation is deferred until you
actually try to
On 6/15/2012 3:04 PM, Paul Rubin wrote:
Terry Reedytjre...@udel.edu writes:
Python iterators can do lazy evaluation. All the builtin classes come
with a corresponding iterator. ...
I wouldn't say iterators do lazy evaluation in the Scheme or Haskell
sense. Lazy evaluation imho means
On Fri, 15 Jun 2012, Terry Reedy wrote:
On 6/15/2012 1:03 PM, Tomasz Rola wrote:
Last time I checked, Python didn't have linked lists - arrayed lists are
nice, but their elements can't be automatically GC-ed (or, this requires
very nontrivial GC algorithm), the easiest way I can think
On Sun, Jun 10, 2012 at 8:44 AM, Yesterday Paid
howmuchisto...@gmail.com wrote:
I'm planning to learn one more language with my python.
Someone recommended to do Lisp or Clojure, but I don't think it's a
good idea(do you?)
So, I consider C# with ironpython or Java with Jython.
It's a hard
In article 7xwr3fjff8@ruckus.brouhaha.com,
Paul Rubin no.email@nospam.invalid wrote:
Matej Cepl mc...@redhat.com writes:
The point is that you are never interested in learning *a language*,
everybody who has at least some touch with programming can learn most
languages in one session in
http://blog.tmorris.net/understanding-practical-api-design-static-typing-and-functional-programming/
When I'm satisfied with a program, it has this ethereal property that
if the problem is slightly altered, the program is only slightly
altered.
One thing I find with Haskell: the type system
On Tue, 12 Jun 2012, Tim Johnson wrote:
I concur, I worked in C and C++ for 12 years. I added C++ later in
my programming life. I don't recommend C++ for single programmers.
- that is to say - 1 coder for 1 codebase. One can do good enough
OOP in ansi C believe it or not, I learned
* Tomasz Rola rto...@ceti.pl [120611 11:18]:
On Sat, 9 Jun 2012, Yesterday Paid wrote:
I'm planning to learn one more language with my python.
Someone recommended to do Lisp or Clojure, but I don't think it's a
good idea(do you?)
So, I consider C# with ironpython or Java with Jython.
On Jun 12, 3:19 am, Matej Cepl mc...@redhat.com wrote:
On 11/06/12 06:20, rusi wrote:
Hi Matěj! If this question is politically incorrect please forgive me.
Do you speak only one (natural) language -- English?
And if this set is plural is your power of expression identical in
each
Yesterday Paid於 2012年6月10日星期日UTC+8上午6時44分44秒寫道：
I'm planning to learn one more language with my python.
Someone recommended to do Lisp or Clojure, but I don't think it's a
good idea(do you?)
So, I consider C# with ironpython or Java with Jython.
It's a hard choice...I like Visual
On 10.06.2012 23:27, Paul Rubin wrote:
Here is an exercise from the book that you might like to try in Python:
http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-24.html#%_idx_3894
It's not easy ;-)
I liked this exercize. At first I wrote my own merger.
def merge(*iterables):
On Sat, 9 Jun 2012, Yesterday Paid wrote:
I'm planning to learn one more language with my python.
Someone recommended to do Lisp or Clojure, but I don't think it's a
good idea(do you?)
So, I consider C# with ironpython or Java with Jython.
It's a hard choice...I like Visual studio(because my
On Mon, 11 Jun 2012, Tomasz Rola wrote:
If you want to delve into Java world, well, I consider Java an unbearably
ugly hog. When I was younger and fearless I programmed a bit in Java, but
nowadays, the only way I myself could swallow this would be to use some
other language on top of it
On 11/06/12 06:20, rusi wrote:
Hi Matěj! If this question is politically incorrect please forgive me.
Do you speak only one (natural) language -- English?
And if this set is plural is your power of expression identical in
each language?
I have written about that later ... no, I am a native
[becky_lewis bex.le...@gmail.com]
Lisp and Clojure are functional languages.
No, they're not.
But you can (and often will) do quite a bit of functional programming in
Lisp, as it lends itself quite naturally to that way of thinking.
But in (Common) Lisp you also have CLOS, which is a rather
My mistake about Lisp being purely functional (I have very little
experience with common Lisp itself), though Clojure is. That doesn't
change my point, to which you appear to agree, Lisp and Clojure teach
folks a different way of approaching problems, which is always
useful :)
On Jun 10, 12:25
On 10/06/12 00:44, Yesterday Paid wrote:
I'm planning to learn one more language with my python.
Just my personal experience, but after passively learning many many
languages, I came to the conclusion that I (and I suppose many others)
am able to learn only one platform well. The point is
On Sun, Jun 10, 2012 at 11:40 PM, Matej Cepl mc...@redhat.com wrote:
Just my personal experience, but after passively learning many many
languages, I came to the conclusion that I (and I suppose many others) am
able to learn only one platform well. The point is that you are never
interested in
Matej Cepl mc...@redhat.com writes:
The point is that you are never interested in learning *a language*,
everybody who has at least some touch with programming can learn most
languages in one session in the afternoon.
Really, that's only if the new language is pretty much the same as the
old
On 10/06/12 18:32, Paul Rubin wrote:
Really, that's only if the new language is pretty much the same as the
old ones, in which case you haven't really learned much of anything.
Languages that use interesting new concepts are challenges in their own
right.
Well, I could at least passively read
Matej Cepl mc...@redhat.com writes:
Well, I could at least passively read many languages (starting with
Pascal, C, and unsuccessful attempt to learn Prolog, so even
statically typed languages are not that mysterious to me),
I wouldn't count Pascal or C as statically typed in any interesting
On 10/06/12 22:40, Paul Rubin wrote:
You might start with Abelson and Sussman's classic book:
http://mitpress.mit.edu/sicp
I know that, and it lies on my badtable for some time already, but I
just never got enough excited about the idea yet. Python is just much
more fun.
Matěj
--
Matej Cepl mc...@redhat.com writes:
I know that, and it lies on my badtable for some time already, but I
just never got enough excited about the idea yet. Python is just much
more fun.
Here is an exercise from the book that you might like to try in Python:
On Jun 10, 6:40 pm, Matej Cepl mc...@redhat.com wrote:
On 10/06/12 00:44, Yesterday Paid wrote:
I'm planning to learn one more language with my python.
Just my personal experience, but after passively learning many many
languages, I came to the conclusion that I (and I suppose many others)
在 2012年6月10日星期日UTC+8上午6时44分44秒，Yesterday Paid写道：
I'm planning to learn one more language with my python.
Someone recommended to do Lisp or Clojure, but I don't think it's a
good idea(do you?)
So, I consider C# with ironpython or Java with Jython.
It's a hard choice...I like Visual
On Sun, 10 Jun 2012 21:46:50 -0700 (PDT)
Broad Liyn broadl...@gmail.com broadl...@gmail.com wrote:
of course java is the best option in my opinion.There is no need to
provide many evidences that java is better than c# because its
advantages are really obvious.
Not as obvious as you'd
I'm planning to learn one more language with my python.
Someone recommended to do Lisp or Clojure, but I don't think it's a
good idea(do you?)
So, I consider C# with ironpython or Java with Jython.
It's a hard choice...I like Visual studio(because my first lang is VB6
so I'm familiar with that)
Lisp and Clojure are functional languages. Learning one of those (or a
similar language) will help by providing you with a fairly different
perspective on how to approach programming problems. Personally I
think learning Lisp or Clojure is good advice.
However, if you're really adamant about
On Sat, Jun 9, 2012 at 7:04 PM, becky_lewis bex.le...@gmail.com wrote:
Lisp and Clojure are functional languages.
Sorry, pet peeve. Lisps are a class of languages that are only united
by their common syntax and their use of syntax transformations
(macros). Most lisps are not really functional at
* Yesterday Paid howmuchisto...@gmail.com [120609 14:52]:
I'm planning to learn one more language with my python.
Someone recommended to do Lisp or Clojure, but I don't think it's a
good idea(do you?)
So, I consider C# with ironpython or Java with Jython.
It's a hard choice...I like Visual
Yesterday Paid howmuchisto...@gmail.com writes:
I'm planning to learn one more language with my python.
Someone recommended to do Lisp or Clojure, but I don't think it's a
good idea(do you?)
Why do you want to do that?
First of all, why not stick with learning one language at a time? Get
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