Re: is list comprehension necessary?

2010-11-21 Thread Brian J Mingus
On Tue, Oct 26, 2010 at 3:31 AM, Xah Lee wrote: > ... No, list comprehensions are not "nececessary", just like the plethora of expletives in the majority of your OPs on this list are not necessary. The question is are they useful, and the answer is the case of list comprehensions is obviously y

Re: is list comprehension necessary?

2010-11-21 Thread Michael Torrie
On 10/27/2010 05:37 AM, Roy Smith wrote: > I agree. I resisted LCs when they first came out, passing them off as > unnecessary, confusing, etc. Eventually, I came to be comfortable with > them and use them often. I do use LCs fairly often, but only then a for loop would be ugly or inefficient.

Re: How to open html page in python resource file? ActiveX and Javascript addEventListener? Options

2010-11-21 Thread Michel Claveau - MVP
Hello! You will find (positive) answers in PyWin32 and his examples. @-salutations -- Michel Claveau -- http://mail.python.org/mailman/listinfo/python-list

Re: Scheme as a virtual machine?

2010-11-21 Thread Steven D'Aprano
On Sun, 21 Nov 2010 23:57:21 -0500, Steve Holden wrote: > Perhaps we could take this thread to alt.small.minded.bickering now? Alas, my ISP doesn't carry that newsgroup. Where else can I get my mindless off-topic bitching if not for cross-posts from comp.lang.scheme and comp.lang.functional? *

Re: Scheme as a virtual machine?

2010-11-21 Thread Steve Holden
On 11/21/2010 11:38 PM, Ertugrul Söylemez wrote: > "Jon Harrop" wrote: > >> "Ertugrul Söylemez" wrote in message >> news:20101014052650.510e8...@tritium.streitmacht.eu... >> >>> That's nonsense. >> >> Actually namekuseijin is right. You really need to persevere and >> familiarize yourself with s

Re: Scheme as a virtual machine?

2010-11-21 Thread Ertugrul Söylemez
"Jon Harrop" wrote: > "Ertugrul Söylemez" wrote in message > news:20101014052650.510e8...@tritium.streitmacht.eu... > > > That's nonsense. > > Actually namekuseijin is right. You really need to persevere and > familiarize yourself with some of the other languages out > there. Haskell is many thi

Re: CGI FieldStorage instances?

2010-11-21 Thread Tim Roberts
Gnarlodious wrote: > >I'm having a hard time understanding this, can someone explain? > >Running a CGI with query string: > >?action=Find&page=Data > >Script includes these lines: > >form=cgi.FieldStorage(keep_blank_values=1) >print("Content-type:text/html\n\n") >print(cgi.print_form(form)) > >Out

Re: strings getting unnecessarily cut in lstrip

2010-11-21 Thread Steve Holden
On 11/21/2010 10:12 PM, Maxim Mercury wrote: > I was using the lstrip to trim the left occurance of a string, and it > didnt seem to work for some cases. but when i investigated there does > seem to be an issue with some combination of strings > here is one case > p1 = "abcd" > p2 = 'def'

strings getting unnecessarily cut in lstrip

2010-11-21 Thread Maxim Mercury
I was using the lstrip to trim the left occurance of a string, and it didnt seem to work for some cases. but when i investigated there does seem to be an issue with some combination of strings here is one case p1 = "abcd" p2 = 'def'# $abc sym = '_' str1 = p1 + sym + p2 str1

How to open html page in python resource file? ActiveX and Java script addEventListener? Options

2010-11-21 Thread nava...@gmail.com
Hi friends, I have an interesting question. Is it possible to open HTML page from python resources (Sorry, I don't know how to use the resources) like we can open using Win32 from .rc files. Can that page contain references to scrips in the resource file? Another question is reagrding ActiveX on

Re: building a web interface

2010-11-21 Thread Martin Gregorie
On Sun, 21 Nov 2010 15:40:10 -0800, Shel wrote: > I am confused about multiple simultaneous users, which I would like to > be able to accommodate. On the db side, I have a structure to store > data for each user, and know a bit about selectively locking data, > although I have not implemented tha

[ANN] Pyro 3.11 released

2010-11-21 Thread Irmen de Jong
Hi, Pyro 3.11 has been released! Pyro is a an advanced and powerful Distributed Object Technology system written entirely in Python, that is designed to be very easy to use. Have a look at http://www.xs4all.nl/~irmen/pyro3/ for more information. Highlights of this release are: - improved comp

Re: building a web interface

2010-11-21 Thread Shel
No worries at all about repeating things. I wasn't clear, and I appreciate your going to the trouble of teaching me just about anything. Even things I think I know, I might not really know :-) Let's see... am okay with the relational design stuff. Thanks for the "EXPLAIN" verb. I am confused a

Re: constructin trees in python

2010-11-21 Thread Aaron Sterling
> Thanks a lot peter, that worked as i needed. Where can i find some > good documentation which explains such behavior. The reason for this behavior is the way python stores attributes. Both a class and an instance of a class have a __dict__ attribute which is a dictionary which stores attributes

Re: building a web interface

2010-11-21 Thread Shel
Definitely not looking to reinvent the wheel. Will check these out, thanks! Shel On Nov 20, 9:50 pm, Ian Kelly wrote: > On 11/20/2010 3:40 PM, Shel wrote: > > > So right now I have a mySQL db structure and some Python code. My end > > goal is to create a browser-based interactive fiction/game th

Re: Does Pygoogle allows for advanced search options?

2010-11-21 Thread Petar Milin
So, what can one do about this? There seems to be at least two aspects: (a) difference between browser-based and script-based (pygoogle in this case) query, and (b) difference in time and place, but possibly within the same query type. If so, how can we be sure? It would be interesting (at least

Re: Does Pygoogle allows for advanced search options?

2010-11-21 Thread Stefan Sonnenberg-Carstens
Am 21.11.2010 20:35, schrieb Petar Milin: Hello ALL! I am playing with the modified version of the Pygoogle (by Stefan). Interesting thing is that get_result_count() gives numbers/results different from those in Google. Has anyone checked this? Does anyone know why? Best, Petar AFAIK there

Strange affinity side effect with multiprocessing.

2010-11-21 Thread Greg MacDonald
Hi Everyone, I'm having a strange problem with the multiprocessing package and Panda3D. Importing panda modules causes multiprocessing to only use one of my cores. I've created an example test case. It uses an infinite loop to ping the cores so you'll have to manually kill the python processes.

multiple times subprocess fails on windows

2010-11-21 Thread kvbik
Hello, in a test suite in my project (called rvirtualenv [1]) I discovered a strange behaviour when calling from python a batch file which calles another python and this calles a shell command. [1] http://github.com/kvbik/rvirtualenv I know it sounds pretty strange, but I do this only because I

Re: Pickling a database cursor?

2010-11-21 Thread John Nagle
On 11/20/2010 10:30 PM, Chris Rebert wrote: On Sat, Nov 20, 2010 at 10:08 PM, Navkirat Singh wrote: Hi Guys, Is there any way to pickle a database cursor? I would like a persistent cursor over multiple HTTP requests. Any help would be awesome ! You can't. It's like a file handle in that respe

Re: Does Pygoogle allows for advanced search options?

2010-11-21 Thread Petar Milin
Hello ALL! I am playing with the modified version of the Pygoogle (by Stefan). Interesting thing is that get_result_count() gives numbers/results different from those in Google. Has anyone checked this? Does anyone know why? Best, Petar -- http://mail.python.org/mailman/listinfo/python-list

Re: is list comprehension necessary?

2010-11-21 Thread Aahz
In article <4cc701e7$0$1606$742ec...@news.sonic.net>, John Nagle wrote: > >Python isn't a functional language. It has some minimal functional >capabilities, and there's a lobby that would like more. So far, that's >mostly been resisted. Attempts to allow multiline lambdas have been >averted.

Re: Inserting class namespace into method scope

2010-11-21 Thread Emile van Sebille
On 11/20/2010 4:59 PM Steven D'Aprano said... On Sun, 21 Nov 2010 08:59:30 +1100, Ben Finney wrote: C'mon, Steven, you know the drill. If you want us to help you solve a problem, don't start with “I want to use this behaviour that seems loony, and I won't say why”. Instead, help us by telling u

Re: Scheme as a virtual machine?

2010-11-21 Thread Jon Harrop
"Ertugrul Söylemez" wrote in message news:20101014052650.510e8...@tritium.streitmacht.eu... That's nonsense. Actually namekuseijin is right. You really need to persevere and familiarize yourself with some of the other languages out there. Haskell is many things but simple is not one of them.

Questions about optmodel constraints

2010-11-21 Thread ayaa
I have three questions: 1. If I have a variable that is stored in a data set and I want to formulate only one constraint (under optmodel) that is a function of all the data set's observations of this variable and a decision variable. Suppose the variable is a and x is the decision variable. My c

Re: Printing from Web Page

2010-11-21 Thread Victor Subervi
On Sun, Nov 21, 2010 at 5:35 AM, FELD Boris wrote: > I think the best way to do this is using css with specific media type. > Take a look at : http://martybugs.net/articles/print.cgi > Oh, man, this is perfect! Thanks! beno -- http://mail.python.org/mailman/listinfo/python-list

Re: building a web interface

2010-11-21 Thread Martin Gregorie
On Sat, 20 Nov 2010 17:20:53 -0800, Shel wrote: > Sorry I wasn't clear about the db part. Most of the data has already > been written and/or generated and tested with the code. I do plan to > finish all the database stuff before going to the front end, but am just > thinking ahead about how to d

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Re: Does Pygoogle allows for advanced search options?

2010-11-21 Thread Stefan Sonnenberg-Carstens
Am 21.11.2010 11:01, schrieb Petar Milin: On 20/11/10 22:34, Chris Rebert wrote: On Thu, Nov 18, 2010 at 3:26 AM, neocortex wrote: The library doesn't seem to have built-in support for filtering by language (and Google lacks a search query-string-based operator for that), but it looks like yo

Re: Does Pygoogle allows for advanced search options?

2010-11-21 Thread Petar Milin
On 20/11/10 22:34, Chris Rebert wrote: On Thu, Nov 18, 2010 at 3:26 AM, neocortex wrote: The library doesn't seem to have built-in support for filtering by language (and Google lacks a search query-string-based operator for that), but it looks like you could implement that feature by addin

Re: Is it possible to use Google's advanced search options?

2010-11-21 Thread Petar Milin
Hello! Thanks so much for the patched Pygoogle! Also, please, can you give me some more information about how to use google search api? I am a newbie in Python, and I still try to cope with it. Thanks to some experience in other programing languages, I think I progress well, but I am not a prof

Re: Printing from Web Page

2010-11-21 Thread FELD Boris
I think the best way to do this is using css with specific media type.Take a look at : http://martybugs.net/articles/print.cgi -- FELD BorisSent with Sparrow On dimanche 21 novembre 2010 at 03:35, Hidura wrote: