Re: [Tutor] R: Tutor Digest, Vol 125, Issue 49

2014-07-17 Thread Dan Janzen
DISCLAIMER* I have deliberately not read any of the other replies to this problem so my answer may be totally redundant! (but here it is anyway...) One of the first issues that had to be addressed is the fact that your "CSV" file is probably not in the format you assume it is. Every l

[Tutor] Using module Facebook

2014-07-17 Thread Chris
Dear All, I'm trying to use the facebook-sdk for python [1]. I'm asking here and not on the SDK groups, because I think this is a basic beginner's question, not directly related to the framework. I installed facebook-sdk: virtualenv . source bin/activate pip install facebo

Re: [Tutor] Surprising behaviour of optional argument

2014-07-17 Thread Alan Gauld
On 17/07/14 23:00, Jose Amoreira wrote: Aha, the object that stores the default value for the optional argument is created at the time of the execution of the function definition and mutable objects do mutate, so that's that. It makes a lot of sense. Yes, think of it as a feature, not a bug :-

Re: [Tutor] Surprising behaviour of optional argument

2014-07-17 Thread Jose Amoreira
Hi On 07/17/2014 06:34 PM, Danny Yoo wrote: Yeah; the default value is not reevaluated between calls. It's a common gotcha. Here are a few links to read more: http://effbot.org/zone/default-values.htm http://docs.python-guide.org/en/latest/writing/gotchas/#mutable-default-arguments Good

Re: [Tutor] Question about style

2014-07-17 Thread Mark Lawrence
On 17/07/2014 17:23, Jose Amoreira wrote: Hello, On 07/17/2014 12:05 AM, Alan Gauld wrote: Just throwing this idea in without really thinking about it... Would itertools.groupby work? It takes a sorted collection and groups the items found based on a key function. If the key function deemed t

Re: [Tutor] Modules to work with curl.

2014-07-17 Thread Martin A. Brown
Hi, : I am currently working on a project , which has lots of curl : commands. I am using subprocess.Popen to run these curl commands. : But somehow i see its bit slow. Is there a way/module by which i : can improve the performance of the program. Wow. Is curl a requirement or do you sim

Re: [Tutor] Modules to work with curl.

2014-07-17 Thread Danny Yoo
On Thu, Jul 17, 2014 at 11:35 AM, Santosh Kumar wrote: > I am currently working on a project , which has lots of curl commands. I am > using subprocess.Popen to run these curl commands. But somehow i see its bit > slow. > Is there a way/module by which i can improve the performance of the program

[Tutor] Modules to work with curl.

2014-07-17 Thread Santosh Kumar
Hi, I am currently working on a project , which has lots of curl commands. I am using subprocess.Popen to run these curl commands. But somehow i see its bit slow. Is there a way/module by which i can improve the performance of the program. Thanks, -- D. Santosh Kumar RHCE | SCSA +91-9703206361

Re: [Tutor] Surprising behaviour of optional argument

2014-07-17 Thread Danny Yoo
On Jul 17, 2014 10:22 AM, "Jose Amoreira" wrote: > > Hello > I stumbled on something I found surprising. I'm using standard python (cpython, I guess) 2.7 on openSuse 13.1. > > Consider the function > > In [2]: def f(x,y=[]): >...: print y >...: y.append(x) >...: return x >

[Tutor] Surprising behaviour of optional argument

2014-07-17 Thread Jose Amoreira
Hello I stumbled on something I found surprising. I'm using standard python (cpython, I guess) 2.7 on openSuse 13.1. Consider the function In [2]: def f(x,y=[]): ...: print y ...: y.append(x) ...: return x This is the output of repeated calls to this function: In [3]: f(

Re: [Tutor] Question about style

2014-07-17 Thread Jose Amoreira
Hello, On 07/17/2014 12:05 AM, Alan Gauld wrote: Just throwing this idea in without really thinking about it... Would itertools.groupby work? It takes a sorted collection and groups the items found based on a key function. If the key function deemed two items identical if they were within dist

Re: [Tutor] Python open source for beginners

2014-07-17 Thread Mitesh H. Budhabhatti
Thanks Wesley for the reply. I wanted to utilize what I've learnt so far. So I thought learning using open source could be a good idea. Thanks. Warm Regards, Mitesh H. Budhabhatti On Thu, Jul 17, 2014 at 10:25 AM, wesley chun wrote: > > > I am learning Python 3 for fun and as hobby. I am exp