On Wednesday 27 April 2016 16:36, Bob Martin wrote:
> Recruiters post everywhere but seem not to read anywhere.
> They have flooded the android developer lists to the point where
> they are no longer worth reading.
Wanted: Android developer. Must have five years experience with
"Marshmellow" or
Am 27.04.2016 um 04:42 schrieb jf...@ms4.hinet.net:
Just curious:-) why everyone here open the csv file without using newline='' as
suggested in Python 3.4.4 document section 14.1?
And if the csv module is used anyway, why not simply read into a DictReader?
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Fill in the blanks to declare a variable, add 5 to it and print its value:
>>> x = 4
>>> x_ = 5
>>> print_
Any suggestion ?
Thanks
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Sibylle Koczian wrote:
> Am 27.04.2016 um 04:42 schrieb jf...@ms4.hinet.net:
>> Just curious:-) why everyone here open the csv file without using
>> newline='' as suggested in Python 3.4.4 document section 14.1?
Carelessness, lack of knowledge (I plead guilty), not on Windows and no
embedded new
>>> x = 4
>>> x + 5
9
-Original Message-
From: Python-list
[mailto:python-list-bounces+joaquin.alzola=lebara@python.org] On Behalf Of
Smith
Sent: 27 April 2016 10:29
To: python-list@python.org
Subject: Basic Concepts
Fill in the blanks to declare a variable, add 5 to it and print it
Hello,
I post a message in comp.lang python, but with caching new articles in the
newsreader pan I don't see my article.
How can I contact the administrater or this group.
Thanks
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On Wed, 27 Apr 2016 11:29:12 +0200, Smith wrote:
> Fill in the blanks to declare a variable, add 5 to it and print its
> value:
>
> >>> x = 4 x_ = 5 print_
>
>
> Any suggestion ?
>
> Thanks
2 suggestions:-
1) Stay awake during your class so that you can complete basic homework
assignments.
Hello,
I installed Python(x,y) 64 bit version and ran it using a library that requires
Python 64 bit.
I got an error which indicated that I am using Python 32 bit.
So, is the python used by Python(x,y) 64 bit, using Python 64 or 32 bit?
Thanks
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On Wed, 27 Apr 2016 07:29 pm, Smith wrote:
> Fill in the blanks to declare a variable, add 5 to it and print its value:
>
> >>> x = 4
> >>> x_ = 5
> >>> print_
>
>
> Any suggestion ?
Okay, you have a variable x with the value of 4:
x = 4
How do you think you would print the value of x?
On Wednesday, 27 April 2016 07:37:42 UTC+1, Chris Angelico wrote:
> On Wed, Apr 27, 2016 at 4:26 PM, Adam Davis wrote:
> > I understand what you're saying! But where you say: " the_set = set()",
> > what would go within the set brackets?
>
> Nothing. The empty parentheses mean "call this with n
On Apr 27, 2016 7:25 PM, "Adam Davis" wrote:
>
> On Wednesday, 27 April 2016 07:37:42 UTC+1, Chris Angelico wrote:
> > On Wed, Apr 27, 2016 at 4:26 PM, Adam Davis
wrote:
> > > I understand what you're saying! But where you say: " the_set =
set()", what would go within the set brackets?
> >
> > N
On Tue, Apr 26, 2016 at 11:31 PM, Ethan Furman wrote:
> On 04/26/2016 08:43 PM, Christopher Reimer wrote:
>
>> If I'm using a dictionary to store variables for an object, and
>> accessing the variable values from dictionary via property decorators,
>> would it be better to derive the class from ob
On Tue, Apr 26, 2016 at 9:43 PM, Christopher Reimer
wrote:
> class Test2(dict):
> def __init__(self):
> self.__dict__ = {'key', 'value'}
This class definition looks muddled. Because Test2 inherits from dict,
the object referred to by "self" will be a dict, and self.__d
Hi Pierre,
On Wed, Apr 27, 2016 at 6:23 AM, Pierre wrote:
> Hello,
>
> I installed Python(x,y) 64 bit version and ran it using a library that
> requires Python 64 bit.
> I got an error which indicated that I am using Python 32 bit.
>
> So, is the python used by Python(x,y) 64 bit, using Python 6
This is Naveen from SAGE IT INC.
Hope you are doing great. Please send me your updated resume if you're
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Am 27.04.2016 um 11:31 schrieb Peter Otten:
Sibylle Koczian wrote:
And if the csv module is used anyway, why not simply read into a
DictReader?
How would that help with looking up 3.5 by "apple" given the OP's sample
data
banana,4.0
apple,3.5
orange,3.0
Quite right, it wouldn't. Misread t
potential_passengers = ['bob','john','sue','wendy','chris','bob','jen','wendy']
accepted_passengers = set()
for name in potential_passengers:
print('checking on {}...'.format(name))
if name not in accepted_passengers:
accepted_passengers.add(name)
print('welcome aboard, {}
I tried installing Python 2.7.11 on HP-UX which already has all the build and
run time dependencies installed on it such as openssl, libffi, etc. But after
installing python , I tried installing some open source packages using pip. But
pip thows the error:
Importerror: cannot import name httpsha
On Wed, 27 Apr 2016 10:13:45 -0700, bharadwajsrivatsa wrote:
> I tried installing Python 2.7.11 on HP-UX which already has all
> the build and run time dependencies installed on it such as
> openssl, libffi, etc. But after installing python , I tried
> installing some open source packages using pi
On Wednesday, April 27, 2016 at 11:17:32 AM UTC-4, Zachary Ware wrote:
> Hi Pierre,
>
> On Wed, Apr 27, 2016 at 6:23 AM, Pierre wrote:
> > Hello,
> >
> > I installed Python(x,y) 64 bit version and ran it using a library that
> > requires Python 64 bit.
> > I got an error which indicated that I a
On Wed, Apr 27, 2016, at 04:25 PM, Pierre wrote:
> I did check and it looks like the Python(x,y) 64 distribution I
> downloaded uses a 32 bit Python.
> The question is if there is ANY Python(x,y) 64 distribution that uses the
> 64 bit python version.
> I looked it up online and could not find anyth
On Tue, Apr 26, 2016, at 07:56 PM, Seymore4Head wrote:
> On Tue, 26 Apr 2016 11:53:57 +1000, Steven D'Aprano
> wrote:
>
> >On Tue, 26 Apr 2016 08:04 am, Seymore4Head wrote:
> >
> >> BTW I was trying to use a line like yours that used an output file
> >> that didn't exist and was getting an error.
Become proficient in both Scala and python to implement programming skills on
Apache spark and have independent understanding of all three platforms
Objectives:
Understand the difference between Apache Spark and Hadoop
Learn Scala and its programming implementation
Implement Spark on a cluster
W
On 4/26/2016 8:56 PM, Random832 wrote:
what exactly do you mean by property decorators? If you're just
accessing them in a dictionary what's the benefit over having the
values be simple attributes rather than properties?
After considering the feedback I got for sanity checking my code, I've
d
On 4/27/2016 7:24 AM, Ian Kelly wrote:
Some other great questions to ask yourself are "do I really want
len(my_object) to return the number of items in this dict" and "do I
really want list(my_object) to return all the keys in this dict"? If
the answer to all those is yes, then it's probably fa
On 4/27/2016 7:33 AM, Ian Kelly wrote:
This class definition looks muddled. Because Test2 inherits from dict,
the object referred to by "self" will be a dict, and self.__dict__ is
actually a *different* dict, containing the attributes of self. The
line:
self.__dict__ = {'key', 'value'}
is
On 04/27/2016 07:12 PM, Christopher Reimer wrote:
> class Piece(object):
> def __init__(self, color, position, state=None):
> if state is None:
> self._state = {
> 'class': self.__class__.__name__,
> 'color': color,
> 'fi
Christopher Reimer writes:
> On 4/27/2016 7:33 AM, Ian Kelly wrote:
>
> > self.__dict__ = {'key', 'value'}
> >
> > self.key = value
>
> Which expression is Pythonic?
(Note that assignment is not an expression in Python; assigment is a
statement.)
> I've seen both used in various examp
On 4/26/2016 8:56 PM, Random832 wrote:
what exactly do you mean by property decorators? If you're just
accessing them in a dictionary what's the benefit over having the
values be simple attributes rather than properties?
After considering the feedback I got for sanity checking my code, I've
d
On 4/27/2016 7:00 PM, Michael Torrie wrote:
I am guessing that the reason you are storing state as it's own
dictionary is so that you can pass the state itself to the constructor?
Someone said it was bad to store the object itself to file (my original
plan) and that I should use a dictionary
On 04/27/2016 06:12 PM, Christopher Reimer wrote:
After considering the feedback I got for sanity checking my code, I've
decided to simplify the base class for the chess pieces (see code
below). All the variables are stored inside a dictionary with most
values accessible through properties. A cu
On 4/27/2016 7:07 PM, Ben Finney wrote:
I would say the latter is more Pythonic, because it:
* Better conveys the intention (“set the value of the ‘self.key’
attribute”).
* Uses the built-in mechanisms of Python (don't invoke magic attributes,
instead use the system that makes use of them
Christopher Reimer writes:
> In short, my original code before I turned it into a separate
> dictionary. *sigh*
No, I think that misses the points that were being made. The discussion
you're talking about was *not* to say “attribute access is better than
dictionary access”, or vice versa. Each
On 04/27/2016 08:07 PM, Christopher Reimer wrote:
On 4/27/2016 7:07 PM, Ben Finney wrote:
>> Ian Kelly wrote:
self.__dict__ = {'key', 'value'}
is essentially equivalent to:
self.key = value
>>
I would say the latter is more Pythonic, because it:
>>
>> [snip]
>>
* Uses the built
On 04/27/2016 08:49 PM, Christopher Reimer wrote:
> On 4/27/2016 7:00 PM, Michael Torrie wrote:
>> I am guessing that the reason you are storing state as it's own
>> dictionary is so that you can pass the state itself to the constructor?
>
> Someone said it was bad to store the object itself to
On 4/27/2016 8:05 PM, Ethan Furman wrote:
I ripped out the fetch_state because that will take more work -- you
can't pass a Pawn's saved state in to Piece and get the results you
want. pickle is worth looking at for saving/restoring.
The original idea was to pass a Pawn dictionary to the cons
On Thu, Apr 28, 2016 at 1:52 PM, Ethan Furman wrote:
>
> The point Ben was trying to make is this: you should never* call __dunder__
> methods in normal code; there is no need to do so:
>
> - use len(), not __len__()
> - use next(), not __next__()
> - use some_instance.an_attribute, not some_inst
On 4/27/2016 8:23 PM, Ben Finney wrote:
If you want items in a mapping, explicitly use a Python ‘dict’ instance.
If you want attributes that describe an object, explicitly use
attributes of that object. Deliberately choose which one makes more
sense.
Okay, that makes sense.
Thank you,
Chris R
On 4/27/2016 8:52 PM, Ethan Furman wrote:
The point Ben was trying to make is this: you should never* call
__dunder__ methods in normal code; there is no need to do so:
- use len(), not __len__()
- use next(), not __next__()
- use some_instance.an_attribute, not
some_instance.__dict__['an_a
On 4/27/2016 8:52 PM, Michael Torrie wrote:
In fact if it were me I would save game state to some kind of ini file,
which would mean manually going through each object and writing out the
relevant data to the ini file using the right syntax. And then reverse
the process when restoring from a fi
On 04/27/2016 10:06 PM, Christopher Reimer wrote:
> On 4/27/2016 8:52 PM, Michael Torrie wrote:
>> In fact if it were me I would save game state to some kind of ini file,
>> which would mean manually going through each object and writing out the
>> relevant data to the ini file using the right sy
Python Madlibs.py code and error message --- Anyone can help? I keep getting
stuck here ...
# This program does the following ... writes a Mad Libs story
# Author: Cai Gengyang
print "Mad Libs is starting!"
name = raw_input("Enter a name: ")
adjective1 = raw_input("Enter an adjective: ")
Cai Gengyang wrote:
adjective1 = raw_input("Enter an adjective: ")
NameError: name 'Adjective1' is not defined
Python is case-sensitive. You've spelled it "adjective1" in one
place and "Adjective1" in another. You need to be consistent.
--
Greg
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On Wed, Apr 27, 2016, at 09:37 PM, Cai Gengyang wrote:
> print STORY % (Adjective1, name, Verb1, Adjective2, Noun1, Noun2, animal,
> food, Verb2, Noun3, fruit, Adjective3, name, Verb3, number, name ,
> superhero_name, superhero_name, name, country, name, dessert, name, year,
> Noun4)
Python is cas
I changed it to all lowercase, this time I get a different error message though
(a TypeError message)
# This program does the following ... writes a Mad Libs story
# Author: Cai Gengyang
print "Mad Libs is starting!"
name = raw_input("Enter a name: ")
adjective1 = raw_input("Enter an ad
On Wed, Apr 27, 2016, at 10:01 PM, Cai Gengyang wrote:
> I changed it to all lowercase, this time I get a different error message
> though (a TypeError message)
The error message means there's a mismatch between the number of
formatting instructions (ie, %s) and arguments passed to formatting. I
On Thursday, April 28, 2016 at 9:26:21 AM UTC+5:30, Chris Angelico wrote:
> My rule of thumb is: Dunders are for defining, not for calling. It's
> not a hard-and-fast rule, but it'll get you through 99%+ of
> situations.
Neat and clever.
Should get in the docs somewhere
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Stephen Hansen writes:
> The error message means there's a mismatch between the number of
> formatting instructions (ie, %s) and arguments passed to formatting. I
> leave it to you to count and find what's missing or extra, because I'm
> seriously not going to do that :)
Better: when you have ma
On Thursday 28 April 2016 13:23, Ben Finney wrote:
> Christopher Reimer writes:
>
>> In short, my original code before I turned it into a separate
>> dictionary. *sigh*
>
> No, I think that misses the points that were being made. The discussion
> you're talking about was *not* to say “attribut
On 04/27/2016 09:06 PM, Christopher Reimer wrote:
On 4/27/2016 8:52 PM, Michael Torrie wrote:
In fact if it were me I would save game state to some kind of ini file,
which would mean manually going through each object and writing out the
relevant data to the ini file using the right syntax.
On Wed, Apr 27, 2016, at 10:32 PM, Ben Finney wrote:
> Stephen Hansen writes:
>
> > The error message means there's a mismatch between the number of
> > formatting instructions (ie, %s) and arguments passed to formatting. I
> > leave it to you to count and find what's missing or extra, because I'
Stephen Hansen writes:
> On Wed, Apr 27, 2016, at 10:32 PM, Ben Finney wrote:
> > Better: when you have many semantically-different values, use named
> > (not positional) parameters in the format string. […]
> >
> > https://docs.python.org/3/library/string.html#formatstrings>
>
> Except the
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