foobarome...@gmail.com writes:
> Can someone help answer this?
> http://stackoverflow.com/questions/14698020/java-nio-server-and-python-asyncore-client
>
> Blocking python client works, asyncore doesn't work.
I fear you must tell us which Python version you are using.
Your call to "dispatcher.cre
On Feb 6, 6:55 am, Steven D'Aprano wrote:
> I would not hesitate to use Python, or some other high-level language like
> Ruby, over bash for anything non-trivial that I cared about. It might not
> be as terse and compact as a well-written bash script, but that's a *good*
> thing, and a poorly-wri
> Pythons 2.7 and later have dictionary comprehensions. So you can do
> this:
>
> >>> {item: s.count(item) for item in set(s)}
>
> {'a': 1, 'b': 1, '1': 2, '3': 1, '2': 2, '4': 1}
>
> Which gives counts for all letters. To filter out the digit-counts
> only:
>
> >>> digits="0123456789"
> >>> {item:
On Feb 5, 11:38 pm, maiden129 wrote:
> Hi,
>
> I'm trying to create this program that counts the occurrences of each digit
> in a string which the user have to enter.
>
> Here is my code:
>
> s=input("Enter a string, eg(4856w23874): ")
> s=list(s)
>
> checkS=['0','1','2','3','4','5','6','7','8','
On Wed, Feb 6, 2013 at 12:55 PM, Steven D'Aprano
wrote:
> Chris Angelico wrote:
>
>> Python is not an "excellent option". It's a bad fit for shell
>> scripting, it just happens to be way better than a weak shell. Having
>> grown up on command.com, I found OS/2's cmd.exe to be a massive
>> improvem
On 02/05/2013 08:32 PM, Nobody wrote:
> A shell script is only the better option if (almost) the *only* thing the
> script needs to do is to execute commands.
>
> The moment you start trying to "process" data, it's time to put up with
> the verbosity of subprocess.Popen() so that you can use a wel
On 2/5/2013 11:40 PM, CM wrote:
I have recently moved all my SQLite3 database-related functions into a
class, DatabaseAccess, that lives in a "utilities" module. When the
application loads, the namespace of the instance of the class is
populated with two different cursors for two different datab
I have recently moved all my SQLite3 database-related functions into a
class, DatabaseAccess, that lives in a "utilities" module. When the
application loads, the namespace of the instance of the class is
populated with two different cursors for two different databases the
whole application needs t
On Tue, 05 Feb 2013 21:01:56 +, Walter Hurry wrote:
> Hooray for common sense! Python is great, but it's silly to use Python
> (unless there is good reason) when a simple shell script will do the job.
A shell script is only the better option if (almost) the *only* thing the
script needs to d
On Feb 5, 2013 6:00 PM, "Steven D'Aprano" <
steve+comp.lang.pyt...@pearwood.info> wrote:
>
> Chris Angelico wrote:
>
> > Python is not an "excellent option". It's a bad fit for shell
> > scripting, it just happens to be way better than a weak shell. Having
> > grown up on command.com, I found OS/2'
Chris Angelico wrote:
> Python is not an "excellent option". It's a bad fit for shell
> scripting, it just happens to be way better than a weak shell. Having
> grown up on command.com, I found OS/2's cmd.exe to be a massive
> improvement, and Windows's cmd.exe to be rather less impressive... but
>
Dear all,
I am trying to calculate correlation coefficients between one time series data
and other time series. However,there are some missing values. So, I
interploated each time series with 1d interpolation in scipy and got
correlation coefficients between them. This code works well for some
On 2/5/2013 1:38 PM, maiden129 wrote:
Hi,
I'm trying to create this program that counts the occurrences
> of each digit in a string which the user have to enter.
Here is my code:
s=input("Enter a string, eg(4856w23874): ")
s=list(s)
Unnecessary conversion.
checkS=['0','1','2','3','4','5'
On Tue, Feb 5, 2013 at 3:59 PM, Grant Edwards wrote:
> On 2013-02-05, Neil Cerutti wrote:
>> On 2013-02-05, Walter Hurry wrote:
Sorry, I'm a Linux guy. I have no clue what that means.
>>>
>>> Hooray for common sense! Python is great, but it's silly to use
>>> Python (unless there is good r
Hi,
I have a problem with learning Python. My code is really bad and I can't solve
many problems. I really want to improve it. Do you know any website which helps
me to learn python effectively (for beginners)? This is my first programming
language and I am studying about manipulating the images
On 2/5/2013 3:22 PM, TIm Chase wrote:
On Tue, 05 Feb 2013 14:41:21 -0500, Terry Reedy wrote:
[comment about a double post]
> He must have hit the send button too early by mistake.
I used to do that occasionally. The reason is that the default
position of [send] was on the left, under [File] a
On Wed, Feb 6, 2013 at 10:00 AM, Grant Edwards wrote:
> On 2013-02-05, Ethan Furman wrote:
>> On 02/05/2013 01:39 PM, Neil Cerutti wrote:
>>> Python is an excellent option for writing shell scripts,
>>> particularly if your shell is cmd.exe.
>>
>> I believe having your shell be cmd.exe qualifies
On 2013-02-05, Ethan Furman wrote:
> On 02/05/2013 01:39 PM, Neil Cerutti wrote:
>> On 2013-02-05, Walter Hurry wrote:
Sorry, I'm a Linux guy. I have no clue what that means.
>>>
>>> Hooray for common sense! Python is great, but it's silly to use
>>> Python (unless there is good reason) whe
On 2013-02-05, Neil Cerutti wrote:
> On 2013-02-05, Walter Hurry wrote:
>>> Sorry, I'm a Linux guy. I have no clue what that means.
>>
>> Hooray for common sense! Python is great, but it's silly to use
>> Python (unless there is good reason) when a simple shell script
>> will do the job.
>
> Pyt
>
> > im trying to delete all text files from an ftp directory. is there a way to
> > delete multiple files of the same extension?
>
> >
>
> > I came up with the following code below which works but I have to append
> > the string because ftp.nlst returns:
>
> >
>
> > "-rwx-- 1 user gro
On Feb 5, 4:05 pm, marduk wrote:
>
> Although that implementation also scans the string 10 times (s.count()),
> which may not be as efficient (although it is happening in C, so perhaps
> not).
>
> A better solution involves only scanning the string once.
agreed. i was specifically showing how to
On 02/05/2013 01:39 PM, Neil Cerutti wrote:
On 2013-02-05, Walter Hurry wrote:
Sorry, I'm a Linux guy. I have no clue what that means.
Hooray for common sense! Python is great, but it's silly to use
Python (unless there is good reason) when a simple shell script
will do the job.
Python is
On Tue, Feb 5, 2013, at 04:37 PM, darnold wrote:
> On Feb 5, 2:19 pm, maiden129 wrote:
> > How to reverse the two loops?
> >
>
> s=input("Enter a string, eg(4856w23874): ")
>
> checkS=['0','1','2','3','4','5','6','7','8','9']
>
> for digit in checkS:
> t = s.count(digit)
> if t == 0:
On 02/05/2013 02:58 PM, Adam Funk wrote:
On 2013-02-05, woo...@gmail.com wrote:
Globals are
confusing IMHO. Code becomes cleaner and easier to write and read
when you become familiar with classes.
If I have to write a class just to create
one instance of it & call the main()
On Feb 5, 2:19 pm, maiden129 wrote:
> How to reverse the two loops?
>
s=input("Enter a string, eg(4856w23874): ")
checkS=['0','1','2','3','4','5','6','7','8','9']
for digit in checkS:
t = s.count(digit)
if t == 0:
pass
elif t == 1:
print(digit,"occurs 1 time.")
e
On 2013-02-05, Walter Hurry wrote:
>> Sorry, I'm a Linux guy. I have no clue what that means.
>
> Hooray for common sense! Python is great, but it's silly to use
> Python (unless there is good reason) when a simple shell script
> will do the job.
Python is an excellent option for writing shell s
On Tue, Feb 5, 2013 at 12:41 PM, Terry Reedy wrote:
> [comment about a double post]
>> He must have hit the send button too early by mistake.
>
> I used to do that occasionally. The reason is that the default position of
> [send] was on the left, under [File] and [Edit], and sometimes I did not
>
On Tue, 05 Feb 2013 13:22:02 +, Grant Edwards wrote:
> On 2013-02-05, Anthony Correia wrote:
>
>> I need to pick up a language that would cover the Linux platform.
>
> Well, you haven't really described what it is you're trying to do, but
> it looks to me like bash and the usual set of shel
On Tue, 05 Feb 2013 14:41:21 -0500, Terry Reedy wrote:
> [comment about a double post]
> > He must have hit the send button too early by mistake.
>
> I used to do that occasionally. The reason is that the default
> position of [send] was on the left, under [File] and [Edit], and
> sometimes I did
How to reverse the two loops?
On Tuesday, February 5, 2013 2:43:47 PM UTC-5, Dave Angel wrote:
> On 02/05/2013 02:20 PM, maiden129 wrote:
>
> > On Tuesday, February 5, 2013 1:56:55 PM UTC-5, marduk wrote:
>
> >> On Tue, Feb 5, 2013, at 01:38 PM, maiden129 wrote:
>
> >>
>
>
>
> >
>
> > when
On 2013-02-05, Adam Funk wrote:
> I'm trying to get a program to do some plotting with turtle graphics,
> then wait for the user to click on the graphics window, then do some
> more plotting, &c. So far I have the following, which doesn't work:
>
> #v+
> waiting = False
>
> def clicked(x, y):
>
On 2013-02-05, woo...@gmail.com wrote:
> Note that the code you posted does not call onclick().
It does, actually, but I accidentally snipped it when C&Ping code into
my original post. Sorry!
> Globals are
> confusing IMHO. Code becomes cleaner and easier to write and read
> when you becom
On Tue, Feb 5, 2013 at 3:10 PM, Roy Smith wrote:
> In article ,
> inshu chauhan wrote:
>
> > Hello all,
> >
> > I am trying to run a small code of mine but I am getting a run time
> error.
> > What is actually meant by run time error ? it is saying to contact
> > programme administrator somethi
On 02/05/2013 02:20 PM, maiden129 wrote:
On Tuesday, February 5, 2013 1:56:55 PM UTC-5, marduk wrote:
On Tue, Feb 5, 2013, at 01:38 PM, maiden129 wrote:
when I removed "s.remove(i), it starts to repeat the number of occurrences too
many times like this:
2 occurs 3 times.
2 occurs 3 times.
[comment about a double post]
> He must have hit the send button too early by mistake.
I used to do that occasionally. The reason is that the default position
of [send] was on the left, under [File] and [Edit], and sometimes I did
not move the mouse up enough before clicking. With Thunderbird,
On 2/5/2013 10:23 AM, Duncan Booth wrote:
Bas wrote:
A) Implement the main program in C. In a loop, get a chunk of data
using direct call of C functions, convert data to python variables and
call an embedded python interpreter that runs one iteration of the
user's algorithm. When the script fi
Code examples are Python 3
On 2/5/2013 10:18 AM, Ulrich Eckhardt wrote:
Below you will find example code distilled from a set of unit tests,
usable with Python 2 or 3. I'm using a loop over a list of parameters to
generate tests with different permutations of parameters. Instead of
calling util
On Tuesday, February 5, 2013 1:56:55 PM UTC-5, marduk wrote:
> On Tue, Feb 5, 2013, at 01:38 PM, maiden129 wrote:
>
> > Hi,
>
> >
>
> > I'm trying to create this program that counts the occurrences of each
>
> > digit in a string which the user have to enter.
>
> >
>
> > Here is my code:
>
On 2013-02-05 18:38, maiden129 wrote:
Hi,
I'm trying to create this program that counts the occurrences of each digit in
a string which the user have to enter.
Here is my code:
s=input("Enter a string, eg(4856w23874): ")
s=list(s)
checkS=['0','1','2','3','4','5','6','7','8','9']
for i in s:
On Tue, Feb 5, 2013, at 01:38 PM, maiden129 wrote:
> Hi,
>
> I'm trying to create this program that counts the occurrences of each
> digit in a string which the user have to enter.
>
> Here is my code:
>
> s=input("Enter a string, eg(4856w23874): ")
> s=list(s)
>
> checkS=['0','1','2','3','4'
Also I’m using Python 3.2.3.
On Tuesday, February 5, 2013 1:38:55 PM UTC-5, maiden129 wrote:
> Hi,
>
>
>
> I'm trying to create this program that counts the occurrences of each digit
> in a string which the user have to enter.
>
>
>
> Here is my code:
>
>
>
> s=input("Enter a string, eg
On 2013-02-05 17:29, chris.an...@gmail.com wrote:
im trying to delete all text files from an ftp directory. is there a way to
delete multiple files of the same extension?
I came up with the following code below which works but I have to append the
string because ftp.nlst returns:
"-rwx--
Hi,
I'm trying to create this program that counts the occurrences of each digit in
a string which the user have to enter.
Here is my code:
s=input("Enter a string, eg(4856w23874): ")
s=list(s)
checkS=['0','1','2','3','4','5','6','7','8','9']
for i in s:
if i in checkS:
t=s.count(i
On 02/05/2013 12:29 PM, chris.an...@gmail.com wrote:
im trying to delete all text files from an ftp directory. is there a way to
delete multiple files of the same extension?
I came up with the following code below which works but I have to append the
string because ftp.nlst returns:
"-rwx
Bas, 05.02.2013 16:10:
> at work, we are thinking to replace some legacy application, which is a
> home-grown scripting language for monitoring and controlling a large
> experiment. It is able to read live data from sensors, do some simple
> logic and calculations, send commands to other subsystems
On 02/05/2013 11:53 AM, Joel Goldstick wrote:
On Tue, Feb 5, 2013 at 11:40 AM, Anthony Correia wrote:
On Tuesday, February 5, 2013 10:17:54 AM UTC-5, pytho...@tim.thechases.comwrote:
On Tue, 5 Feb 2013 15:32:32 +0100 (CET), Jean-Michel Pichavant wrote:
By the way, did someone ever notice tha
> waiting = False
>
>
>
> def clicked(x, y):
>
> global waiting
>
> print('clicked at %f %f' % (x,y))
>
> waiting = False
>
> return
>
>
>
> def wait_for_click(s):
>
> global waiting
>
> waiting = True
>
> s.listen()
>
> while waiting:
>
> time
On 02/05/2013 10:18 AM, Ulrich Eckhardt wrote:
Hello Pythonistas!
Below you will find example code distilled from a set of unit tests,
usable with Python 2 or 3. I'm using a loop over a list of parameters to
generate tests with different permutations of parameters. Instead of
calling util() with
im trying to delete all text files from an ftp directory. is there a way to
delete multiple files of the same extension?
I came up with the following code below which works but I have to append the
string because ftp.nlst returns:
"-rwx-- 1 user group 0 Feb 04 15:57 New Text Document.txt"
On Tue, Feb 5, 2013 at 11:40 AM, Anthony Correia wrote:
> On Tuesday, February 5, 2013 10:17:54 AM UTC-5,
> pytho...@tim.thechases.comwrote:
> > On Tue, 5 Feb 2013 15:32:32 +0100 (CET), Jean-Michel Pichavant wrote:
> >
> > > By the way, did someone ever notice that r'\' fails ? I'm sure
> >
> > >
On Tuesday, February 5, 2013 10:17:54 AM UTC-5, pytho...@tim.thechases.com
wrote:
> On Tue, 5 Feb 2013 15:32:32 +0100 (CET), Jean-Michel Pichavant wrote:
>
> > By the way, did someone ever notice that r'\' fails ? I'm sure
>
> > there's a reason for that... (python 2.5) Anyone knows ?
>
> >
>
On Tue, 5 Feb 2013 15:32:32 +0100 (CET), Jean-Michel Pichavant wrote:
> By the way, did someone ever notice that r'\' fails ? I'm sure
> there's a reason for that... (python 2.5) Anyone knows ?
>
> r'\'
> SyntaxError: EOL while scanning single-quoted string
I hit this all the time with Vim's path
Hello Pythonistas!
Below you will find example code distilled from a set of unit tests,
usable with Python 2 or 3. I'm using a loop over a list of parameters to
generate tests with different permutations of parameters. Instead of
calling util() with values 0-4 as I would expect, each call uses
On Feb 5, 8:10 pm, Bas wrote:
> Since all the functions I have to interface with (read and write of live
> data, sending
> commands, ...) are implemented in C, the solution will require writing both C
> and python.
Standard embedding/extending is ok when the interface is 'thin' ie the
number of
Bas wrote:
> A) Implement the main program in C. In a loop, get a chunk of data
> using direct call of C functions, convert data to python variables and
> call an embedded python interpreter that runs one iteration of the
> user's algorithm. When the script finishes, you read some variables
> fro
Hi Group,
at work, we are thinking to replace some legacy application, which is a
home-grown scripting language for monitoring and controlling a large
experiment. It is able to read live data from sensors, do some simple logic and
calculations, send commands to other subsystems and finally gene
On Wednesday, January 11, 2012 12:28:52 PM UTC+1, Laurent Claessens wrote:
> Le 11/01/2012 12:19, mike a �crit :
>
> > Hi,
>
> >
>
> > We are running are running Python program on Redhat 5.5.
>
> >
>
> > When executing our program we get the following error ( see below).
>
> >
>
> > Any id
[...]
> By the way, did someone ever notice that r'\' fails ? I'm sure there's a
> reason for that... (python 2.5) Anyone knows ?
>
> r'\'
> SyntaxError: EOL while scanning single-quoted string
>
>
"Even in a raw string, string quotes can be escaped with a backslash,
but the backslash remains in
- Original Message -
> On 02/04/2013 11:23 PM, Anthony Correia wrote:
> > Just started learning Python. I just wrote a simple copy files
> > script. I use Powershell now as my main scripting language but I
> > wanted to extend into the linux platform as well. Is this the
> > best way to
In article ,
inshu chauhan wrote:
> Hello all,
>
> I am trying to run a small code of mine but I am getting a run time error.
> What is actually meant by run time error ? it is saying to contact
> programme administrator something. Why one would get this error ? and how
> to remove it ?
Start
On Wed, Feb 6, 2013 at 1:05 AM, inshu chauhan wrote:
> Hello all,
>
> I am trying to run a small code of mine but I am getting a run time error.
> What is actually meant by run time error ? it is saying to contact programme
> administrator something. Why one would get this error ? and how to remov
Hello all,
I am trying to run a small code of mine but I am getting a run time error.
What is actually meant by run time error ? it is saying to contact
programme administrator something. Why one would get this error ? and how
to remove it ?
--
http://mail.python.org/mailman/listinfo/python-list
I'm trying to get a program to do some plotting with turtle graphics,
then wait for the user to click on the graphics window, then do some
more plotting, &c. So far I have the following, which doesn't work:
#v+
waiting = False
def clicked(x, y):
global waiting
print('clicked at %f %f' %
On Wed, Feb 6, 2013 at 12:31 AM, Bèrto ëd Sèra wrote:
> Hi Chris,
>
>> Why do that as a trigger, then? Why not simply call a procedure that
>> generates the value and inserts it?
>
> Because this must be unknown to whoever makes the call and I'm not
> supposed to expose any detail of what's going
On 2013-02-05, Anthony Correia wrote:
> I need to pick up a language that would cover the Linux platform.
Well, you haven't really described what it is you're trying to do, but
it looks to me like bash and the usual set of shell utilities (e.g.
find) is what you need rather than Python.
> I u
On 2013-02-05, Terry Reedy wrote:
> On 2/4/2013 11:14 PM, Anthony Correia wrote:
>> I need to pick up a language that would cover the Linux platform. I use
>> Powershell for a scripting language on the Windows side of things. Very
>> simple copy files script. Is this the best way to do it?
>>
Am 05.02.2013 11:35, schrieb Peter Otten:
Ulrich Eckhardt wrote:
[...] use os.path.walk(), because that doesn't first build a list and
then iterate over the list but iterates over the single elements directly.
[...]
Not true. os.walk() uses os.listdir() internally.
Oh. 8|
Thanks for proofr
Steven D'Aprano wrote:
> Does anyone have an explanation why Decimal 0**0 behaves so differently from
> float 0**0?
>
> Tested in both Python 2.7 and 3.3, float 0**0 returns 1, as I would expect:
The behavior follows the specification:
http://speleotrove.com/decimal/daops.html#refpower
Why ex
Does anyone have an explanation why Decimal 0**0 behaves so differently from
float 0**0?
Tested in both Python 2.7 and 3.3, float 0**0 returns 1, as I would expect:
py> 0.0**0.0 # floats return 1
1.0
With Decimals, if InvalidOperation is trapped it raised:
py> from decimal import getcontext,
On Tue, Feb 5, 2013 at 11:04 PM, Steven D'Aprano
wrote:
> py> isinstance(NAN, Number)
> True
Does that line of code count as nerd humour?
ChrisA
--
http://mail.python.org/mailman/listinfo/python-list
Pete Forman wrote:
> Steven D'Aprano writes:
>>> I want to check that a value is a number. [...]
>> I'm leaning towards an isinstance check
[...]
> BTW what if the value is Not-a-Number? ;-)
Nothing different, and hopefully exactly what the caller expects. As far as
Python is concerned, NANs are
Ulrich Eckhardt writes:
> Am 05.02.2013 01:09, schrieb Jabba Laci:
>> setting the sys.stdout back to the original value doesn't work.
> [...]
>> The problem is in __exit__ when sys.stdout is pointed to the old
>> value. sys.stdout.write doesn't work from then on. Output:
>>
>> .close failed
On 02/04/2013 11:23 PM, Anthony Correia wrote:
Just started learning Python. I just wrote a simple copy files script. I use
Powershell now as my main scripting language but I wanted to extend into the
linux platform as well. Is this the best way to do it?
import os
objdir = ("C:\\temp2
> - Original Message -
> > I need to pick up a language that would cover the Linux platform. I
> > use Powershell for a scripting language on the Windows side of
> > things. Very simple copy files script. Is this the best way to do
> > it?
Have you seen/checked http://pash.sourceforge
Ulrich Eckhardt wrote:
> separate variable but iterated over it directly. For large dirs, it
> could also be better to use os.path.walk(), because that doesn't first
> build a list and then iterate over the list but iterates over the single
> elements directly. This avoids the memory allocation ov
- Original Message -
> I need to pick up a language that would cover the Linux platform. I
> use Powershell for a scripting language on the Windows side of
> things. Very simple copy files script. Is this the best way to do
> it?
>
> import os
>
> objdir = ("C:\\temp2")
> colDi
Steven D'Aprano writes:
>> I want to check that a value is a number. [...]
> I'm leaning towards an isinstance check
Well that is the answer to your question, whether the value *is* a
number. EAFP can answer the question whether the value *behaves* like a
number, where the criterion depends on wh
Am 05.02.2013 01:09, schrieb Jabba Laci:
I like the context manager idea
There is a helper library for constructing context managers, see
http://docs.python.org/2/library/contextlib.html. That would have made
your code even shorter.
setting the sys.stdout back to the original value doesn
Am 05.02.2013 05:14, schrieb Anthony Correia:
I need to pick up a language that would cover the Linux platform. I use
Powershell for a scripting language on the Windows side of things. Very simple
copy files script. Is this the best way to do it?
import os
objdir = ("C:\\temp2")
Dro
Can someone help answer this?
http://stackoverflow.com/questions/14698020/java-nio-server-and-python-asyncore-client
Blocking python client works, asyncore doesn't work.
Server.java:
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.nio.channels.SelectionKey;
import ja
On 2/4/2013 11:14 PM, Anthony Correia wrote:
I need to pick up a language that would cover the Linux platform. I use
Powershell for a scripting language on the Windows side of things. Very simple
copy files script. Is this the best way to do it?
import os
objdir = ("C:\\temp2")
c
81 matches
Mail list logo
