On 17 February 2012 07:53, Zheng Li wrote:
> def method1(a = None):
> print a
>
> i can call it by
> method1(*(), **{'a' : 1})
>
> I am just curious why it works and how it works?
> and what do *() and **{'a' : 1} mean?
>
> when I type *() in python shell, error below happens
>
> File "",
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On 16 fév, 01:18, Daniel Fetchinson wrote:
> Hi folks, often times in science one expresses a value (say
> 1.03789291) and its error (say 0.00089) in a short way by parentheses
> like so: 1.0379(9)
>
Before swallowing any Python solution, you should
realize, the values (value, error) you are usin
On Fri, 17 Feb 2012 16:53:00 +0900, Zheng Li wrote:
> def method1(a = None):
> print a
>
> i can call it by
> method1(*(), **{'a' : 1})
>
> I am just curious why it works and how it works?
> and what do *() and **{'a' : 1} mean?
In a function call, an argument consisting of * followed by
>> Thanks, it's simpler indeed, but gives me an error for value=1.267,
>> error=0.08:
>>
>> Traceback (most recent call last):
>> File "/home/fetchinson/bin/format_error", line 26, in
>>print format_error( sys.argv[1], sys.argv[2] )
>> File "/home/fetchinson/bin/format_error", line 9, in for
>> Hi folks, often times in science one expresses a value (say
>> 1.03789291) and its error (say 0.00089) in a short way by parentheses
>> like so: 1.0379(9)
>
> Before swallowing any Python solution, you should
> realize, the values (value, error) you are using are
> a non sense :
>
> 1.03789291 +
On Thu, 16 Feb 2012 17:15:59 -0800, Stodge wrote:
> Does anyone know of a library to generate class definitions in memory,
> at runtime, from XSD or JSON? I know about PyXB, generateDS and some
> others, but they all rely on generating python source files at the
> command line, and then using thos
On 2/17/12 6:09 AM, Tim Roberts wrote:
Ken wrote:
Brand new Python user and a bit overwhelmed with the variety of
packages available. Any recommendation for performing numerical
linear algebra (specifically least squares and generalized least
squares using QR or SVD) in arbitrary precision?
On Wed, Feb 8, 2012 at 10:15 PM, Ali Zandi wrote:
> Hi,
>
> I was trying to find a way to configure PyDev e.g. in Eclipse to be
> pep8 friendly.
>
> There are a few configurations like right trim lines, use space after
> commas, use space before and after operators, add new line at the end
> of fi
Am 16.02.2012 01:18, schrieb Daniel Fetchinson:
Hi folks, often times in science one expresses a value (say
1.03789291) and its error (say 0.00089) in a short way by parentheses
like so: 1.0379(9)
Just so that I understand you, the value of the last "digit" is
somewhere between 9-9 and 9+9, ri
On 17 fév, 11:03, Daniel Fetchinson wrote:
> >> Hi folks, often times in science one expresses a value (say
> >> 1.03789291) and its error (say 0.00089) in a short way by parentheses
> >> like so: 1.0379(9)
>
> > Before swallowing any Python solution, you should
> > realize, the values (value, err
Stodge, 17.02.2012 02:15:
> Does anyone know of a library to generate class definitions in memory,
> at runtime, from XSD or JSON?
The question is: why do you want to do that? There may be other ways to do
what you *actually* want to do, but we don't know what that is.
Stefan
--
http://mail.pyt
On 2012-02-16, MRAB wrote:
> On 16/02/2012 23:10, Emeka wrote:
>> Hello All,
>>
>> I know about seek and tell while using readline. What about if I am
>> using read, and I want to undo the last character I just read(to return
>> it back to the stream). How do I achieve this?
>>
> Try:
>
> f.s
在 2012年2月17日星期五UTC+8下午5时55分11秒，Nobody写道：
> On Fri, 17 Feb 2012 16:53:00 +0900, Zheng Li wrote:
>
> > def method1(a = None):
> > print a
> >
> > i can call it by
> > method1(*(), **{'a' : 1})
> >
> > I am just curious why it works and how it works?
> > and what do *() and **{'a' : 1} mean?
>
Vinay Sajip wrote:
Sarge, a cross-platform library which wraps the subprocess module in
the standard library, has been released.
What does it do?
Sarge tries to make interfacing with external programs from your
Python applications easier than just using subprocess alone.
Sarge
I finally figured out how to set up the Windows explorer's right-click
"new" so that it will create Python files. Here's how:
http://superuser.com/questions/34704/windows-7-add-an-item-to-new-context-menu
There's an option when you do this to insert default file contents, so
I began searching the
In <66ea0353-02ee-4152-947a-97b44ff3e...@p7g2000yqk.googlegroups.com> Bruce
Eckel writes:
> There's an option when you do this to insert default file contents, so
> I began searching the web for some kind of prototype Python file that
> would be appropriate to start with. I'm certain I've seen t
On Fri, Feb 17, 2012 at 9:20 AM, John Gordon wrote:
> Here's what PyScripter inserts in a new python file:
>
> #-
> # Name: module1
> # Purpose:
> #
> # Author: $USERNAME
> #
> # Created: $DATE
> # Copyrigh
On 2012-02-17, John Gordon wrote:
> In <66ea0353-02ee-4152-947a-97b44ff3e...@p7g2000yqk.googlegroups.com> Bruce
> Eckel writes:
>
>> There's an option when you do this to insert default file contents, so
>> I began searching the web for some kind of prototype Python file that
>> would be appropr
On Feb 17, 1:49 pm, Jean-Michel Pichavant
wrote:
> I can't use it though, I'm still using a vintage 2.5 version :-/
That's a shame. I chose 2.6 as a baseline for this package, because I
need it to work on Python 2.x and 3.x with the same code base and
minimal work, and that meant supporting Unic
Check PY2EXE, PYREX and PSYChO. I must use these packages
to relase commercial products with my own dll in c.
--
http://mail.python.org/mailman/listinfo/python-list
In C or C++, I can do this for integer conversion:
unsigned int j = -327681234; // Notice this is signed.
j will equal 3967286062. I thought with Python that I could use struct
to pack the signed int as an unsigned int, but that fails:
>>> x = struct.pack("", line 1, in
struct.error: integer ou
On Fri, Feb 17, 2012 at 10:51 AM, Brad Tilley wrote:
> In C or C++, I can do this for integer conversion:
>
> unsigned int j = -327681234; // Notice this is signed.
>
> j will equal 3967286062. I thought with Python that I could use struct
> to pack the signed int as an unsigned int, but that fail
> Of course, since the OP was talking Windows... the #! line is
> ignored no matter where it was
Yes, but I use Windows, Mac and Linux so I'm searching for something
universal.
--
http://mail.python.org/mailman/listinfo/python-list
Brad Tilley wrote:
> In C or C++, I can do this for integer conversion:
>
> unsigned int j = -327681234; // Notice this is signed.
>
> j will equal 3967286062. I thought with Python that I could use struct
> to pack the signed int as an unsigned int, but that fails:
>
x = struct.pack(" Tra
> Pack it as the actual type, then unpack it as the desired type:
>
> Python 2.7.1 (r271:86832, Jul 31 2011, 19:30:53)
> Type "help", "copyright", "credits" or "license" for more information.>>>
> from struct import pack, unpack
> >>> unpack('=I', pack('=i',-327681234))
>
> (3967286062,)
>
> I wou
> >>> 0x & -327681234
>
> 3967286062
Very nice! Thanks for that example. Unsigned long longs:
0x & -9151314442815602945
9295429630893948671L
--
http://mail.python.org/mailman/listinfo/python-list
On 02/17/2012 02:22 PM, Brad Tilley wrote:
0x& -327681234
3967286062
Very nice! Thanks for that example. Unsigned long longs:
0x& -9151314442815602945
9295429630893948671L
Or more generally, use modulo
-13452324 % 2^64
--
DaveA
--
http://mail.python.org/mailman/l
>> They also don't need to put up with people who aren't seriously ill - I
>> don't know how long your private appointments are, but here in the UK a
>> standard doctor's appointment is 5-10 minutes. If they decide you're
>> actually ill they may extend that.
>Five to ten minutes? Is the doctor an
Matej Cepl wrote:
>No, the strangness is not that bad (well, it is bad ... almost anything
>feels bad comparing to Python, to be honest, but not the reason I would
>give up; after all I spent couple of years with Javascript).
The XSLT language is one of the worst misuses of XML, which puts it
Ross Ridge, 17.02.2012 21:37:
> Matej Cepl wrote:
>> No, the strangness is not that bad (well, it is bad ... almost anything
>> feels bad comparing to Python, to be honest, but not the reason I would
>> give up; after all I spent couple of years with Javascript).
>
> The XSLT language is one of
Ross Ridge writes:
> The XSLT language is one of the worst misuses of XML, which puts it way
> beyond bad.
Stefan Behnel wrote:
>Clearly a matter of opinion.
No. There's no excuse for using XML as the syntax of a language like
XLST.
Ross Ridge
--
l/
On Feb 16, 8:39 pm, y...@zioup.com wrote:
> With a tkinter.Toplevel, how can I "disable" the parent windown and all its
> widget, in the same fashion as tkinter.messagebox?
The answer lies within the tkSimpleDialog source code; which is pure
python. Look in the __init__ method of Dialog class. My
On Mon, Feb 13, 2012 at 7:23 PM, Ian Kelly
wrote:
> On Mon, Feb 13, 2012 at 2:01 PM, Rick Johnson
> I make a middle-class income and do not feel that I am anywhere near
> being "enslaved" by my income taxes, which amount to less than 10% of
> my gross income after deductions and credits.
Ten per
On Feb 13, 7:37 pm, Chris Angelico wrote:
> On Tue, Feb 14, 2012 at 11:39 AM, Rick Johnson
>
> wrote:
> > # Py>=3.0
> > py> sum(earner.get_income(2012) for earner in earners2012) /
> > len(earners2012)
> > average_income
>
> > Once you exceed that amount you are robbing your fellow man. How can
>
On 02/16/2012 10:25 PM, 8 Dihedral wrote:
> Android is a customized linux OS used in mobile phones. I don't think
> any linux systm has to be locked by JAVA or any JVM to run
> applications.
Getting waaa off topic here, but...
I guess you aren't familiar with what Android is (which is iro
On Sat, Feb 18, 2012 at 12:13 PM, Rick Johnson
wrote:
> Here is a list of taxes most everyone else will encounter:
You forgot the Microsoft Tax and the Stupid Tax.
ChrisA
--
http://mail.python.org/mailman/listinfo/python-list
On 18/02/2012 02:13, Chris Angelico wrote:
On Sat, Feb 18, 2012 at 12:13 PM, Rick Johnson
wrote:
Here is a list of taxes most everyone else will encounter:
You forgot the Microsoft Tax and the Stupid Tax.
ChrisA
This is what I call a tax, some two miles from my home.
http://www.bbc.co.uk
Neil,
Thanks. Could you throw a simple example?
Regards, \Emeka
On Fri, Feb 17, 2012 at 3:12 PM, Neil Cerutti wrote:
> On 2012-02-16, MRAB wrote:
> > On 16/02/2012 23:10, Emeka wrote:
> >> Hello All,
> >>
> >> I know about seek and tell while using readline. What about if I am
> >> using read
Hello All,
Say I have something like this:
mfile = open("cc.txt", "rb")
mcount = 0
mset = False
while True:
c = mfile.read(1)
if c == "e" and mset is True and mcount == 0:
print c
mfile.seek(-1,1)
mcount = 1
continue
elif c == "e" and mset is False and mcount == 0:
print c
On 02/17/2012 10:38 PM, Emeka wrote:
Hello All,
Say I have something like this:
mfile = open("cc.txt", "rb")
mcount = 0
mset = False
while True:
c = mfile.read(1)
if c == "e" and mset is True and mcount == 0:
print c
mfile.seek(-1,1)
mcount = 1
continue
elif c == "e" and mse
--
http://mail.python.org/mailman/listinfo/python-list
在 2012年2月18日星期六UTC+8上午9时51分13秒，Michael Torrie写道：
> On 02/16/2012 10:25 PM, 8 Dihedral wrote:
> > Android is a customized linux OS used in mobile phones. I don't think
> > any linux systm has to be locked by JAVA or any JVM to run
> > applications.
>
> Getting waaa off topic here, but...
>
On 2/17/2012 10:51 PM, 8 Dihedral wrote:
> 在 2012年2月18日星期六UTC+8上午9时51分13秒，Michael Torrie写道：
>> On 02/16/2012 10:25 PM, 8 Dihedral wrote:
>> > Android is a customized linux OS used in mobile phones. I don't think
>> > any linux systm has to be locked by JAVA or any JVM to run
>> > applicatio
On Fri, Feb 17, 2012 at 6:13 PM, Rick Johnson
wrote:
>
> On Mon, Feb 13, 2012 at 7:23 PM, Ian Kelly
> wrote:
>> On Mon, Feb 13, 2012 at 2:01 PM, Rick Johnson
>> I make a middle-class income and do not feel that I am anywhere near
>> being "enslaved" by my income taxes, which amount to less than 1
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