My phone my accounts my home network have all been affected because of someone
using coding from Python and Linux and GitHub and json. I don't even know what
this stuff is but how do I get rid of it all. It's ruined my life.
Sent from my iPhone
--
Hofstadter's
_Goedel, Escher, Bach_, or some essays in _Metamagical Themas_.
Generally speaking, making a computer totally incapable of doing Wrong
Things leaves it incapable of doing anything at all.
Mel.
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On Tue, 12 May 2015 02:35:23 +1000, Steven D'Aprano wrote:
On Mon, 11 May 2015 11:37 pm, Mel Wilson wrote:
On Sun, 10 May 2015 14:12:44 -0500, boB Stepp wrote:
I have to admit being surprised by this, too. I am just now studying
on how to write my own classes in Python, and have come
. It was a fine first-hand look at
what the general purpose in General Purpose Computer really meant.
There was no confusing the machine and the language after that. Scheme/
Python would be even more radical, I think. If you can put them across
effectively, I say go for it.
Mel.
cs
--
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an update method which accepts info from the
joystick and updates the player's movements, and a draw method which
the main loop calls on displaying every frame, to show the player's new
position and attitude.
You might be able to do something along these lines.
Mel.
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On Sat, 09 May 2015 03:49:36 +1000, Chris Angelico wrote:
Yes, but can you *distinguish* them in terms of default argument versus
code object creation? How do you know that the function's code object
was created when compile() happened, rather than being created when the
function was defined?
On Sun, 19 Apr 2015 09:03:23 -0700, Rustom Mody wrote:
Now if Thomson and Ritchie (yeah thems the guys) could do it in 1970,
why cant we revamp this 45-year old archaic program=textfile system
today?
Dunno. Why not? There's half of you right there.
--
.
IIRC Thompson, Ritchie, et al. were working at Bell Labs. Legend has it
that management would not buy them a Multics, so they were forced to
write their own using the hardware they had.
Mel.
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On Wed, 08 Apr 2015 07:56:05 -0700, jonas.thornvall wrote:
There is no need for inventing a new set of characters representing
32-bit numbers. You will not be able to learn them by heart anyway,
unless they build on a interpretation system binaries, decimals.
See Jorge Luis Borges, _Funes the
On Tue, 07 Apr 2015 23:19:49 -0700, jonas.thornvall wrote:
And you have just created 429496729 unique symbols ;), in a pencil
stroke.
No. You did that, when you said base 429496729. Representing the
symbols in a computer is no problem, any Python long int can do that. To
display the
, but that usually takes a fair bit of time and effort.
Mel.
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Mel Flynn rfl...@acsalaska.net added the comment:
Additional patch for 2.7 branch.
--
Added file: http://bugs.python.org/file24918/python27-configure.in.patch
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue14353
New submission from Mel Flynn rfl...@acsalaska.net:
Gettext support in Python is configured by two tests:
- textdomain in libc or libintl
- bind_textdomain_codeset in libc only
The latter causes incomplete gettext support in the locale module. Since the
implementation uses two different
for other languages) people use colons without the first clause
*necessarily* being a complete sentence. They write things like this:
Star Wars Episode IV: A New Hope
Come to think of it, just about every serious book title works this way.
Mel.
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model, but they didn't have the steam to do
everything.
Mel.
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indexing work on space-separated strings.
Mel.
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):
return 0
return -1
def __hash__ (self):
return id (Least)
Mel.
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`sys.exit()` calls in the functions, then you have my sympathy. Library
authors should not do that, and there have been threads on c.l.p explaining
why they shouldn't.
Mel.
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that it's not mentioned anywhere. I guess it's called
selection sort but I'm not sure. The minimum selection sort is an
improvement of this one.
It's what Wikipedia says a selection sort is: put the least element in [0],
the least of the remaining elements in [1], etc.
Mel.
--
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it combines the swap operation with recording
the temporary extreme while it searches the subrange.
Mel.
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it to mean — neither more nor less.' (_Through the
Looking Glass, Lewis Caroll). And you, too, have that ability.
Contrariwise see Knuth, _The Art of Computer Programming_ Section 5.2.2,
Algorithm B.
Mel.
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.
Good hunting, Mel.
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.
Jon Bentley somewhere, sometime, published a portable PRNG for that exact
reason. (I wish I could find that article.) Specifically he wanted
portability across various manufacturer's O/Ss.
Mel.
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it's wise to clear errno yourself to make
sure your code doesn't get fooled.
Mel.
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returned by locals(). Strangely,
I notice that
Python 2.6.5 (r265:79063, Apr 16 2010, 13:09:56)
[GCC 4.4.3] on linux2
Type help, copyright, credits or license for more information.
def f(x):
... exec x
... exec 'print a'
...
f('a=4')
4
works, but I really cannot explain why.
Mel
, with the string
modulo operator. The second operand is supposed to be a tuple, but if the
template string needs only one value, then the rules are relaxed and any
single non-tuple value is used as-is.
Mel.
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, and it turned out then that the
C API went to some lengths to prevent anyone being able to do that. I did
finally do it in some peculiar way, but it wasn't simple. The c.l.python
archives might still have the post where I described it.
Mel.
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with the list catches nothing, of course.
Mel.
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to write big overloaded functions
that check the types of the arguments to decide what they should be doing.
In diagnostics and tests like the OP's there should be no problem.
Mel.
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, and failing that fall back to treating
the argument as a numeric angle.
Neither fish nor fowl would be to accept named arguments for the different
kinds of values.
Mel.
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on it. I know mine does.
In a tool that's meant for other people to use to accomplish work of their
own, breaking workflow is a cardinal sin.
In a research language that's meant always to be up-to-date with the concept
of the week, not so much.
Mel.
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:
def name=method arguments=self, x, y
indent/indentlet target=t
Mel.
We need to adopt a more appropriate form. Eliminate all the /spam
tags and use indentation to mark the ends of elements.
ChrisA
PS. Brilliant, sir, brilliant! I take off my cap to you.
--
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Chris Angelico wrote:
It's no more strange than the way some people omit the u from colour. :)
Bonum Petronio Arbiteri, bonum mihi.
Mel.
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rules
expect that files blarg25 and boo25 (for example) work together, then
you'd be better off generating them together as a pair in a single
generator call. As it is, there's a chance of the blarg and boo
generators getting out of step and supplying mismatched names.
Mel.
--
http
exceptions.
But this looks really awkward. And in the case that two files fail
to
close, I am not sure the best strategy is to ignore the second
failure.
I imagine you could save any caught exception instances in a list and
study them later.
Mel.
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2.6.5 (r265:79063, Apr 16 2010, 13:09:56)
[GCC 4.4.3] on linux2
Type help, copyright, credits or license for more information.
os = 5 # number of 'o's
import os as opsys
os
5
opsys
module 'os' from '/usr/lib/python2.6/os.pyc'
(This is an instance of what arnaud mentioned.)
Mel
a bunch of items.
Strings being iterable introduces a wrinkle, but `list('abcde')` doesn't
create `['abcde']` just as `list(1)` doesn't create `[1]`.
Mel.
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)
return new_trace
Hope this helps,
Mel.
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be able to start the car.
If not the key is in the ignition, you won't be able to start the car.
Who like that second one speaks?
:)
If the key is not in the ignition, you will be able to start the car, not.
Mel.
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that kind of documentation way too often. By
comparison, even this https://www.ubersoft.net/comic/hd/2011/09/losing-
sight-big-picture might seem good. At least they try.
Does things to the stuff. By default, the most recent stuff is done things
to.
Mel.
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and high_limit
exactly (as exactly as they can be represented, anyway.)
Mel.
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):
__metaclass__ = MetaWith
with With:
pass
Mel.
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Mel wrote:
This seems to work:
class MetaWith (type):
@classmethod
def __enter__(cls):
print(__enter__)
@classmethod
def __exit__(cls, exc_type, exc_value, traceback):
print(__exit__)
class With (object):
__metaclass__ = MetaWith
(word.title())
can't be what you want.
Mel.
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be the O.P.'s job.
Mel.
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of some of those
sub-steps is the fix.
Mel.
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| exceptions.StandardError
| exceptions.Exception
| exceptions.BaseException
So catching any of urllib2.HTTPError, urllib2.URLError, IOError,
EnvironmentError, or StandardError will detect the exception -- with
increasing levels of generality.
Mel.
--
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(lambda (x,y):x+y, list (itertools.product (li1, li2)))
['a1', 'a2', 'b1', 'b2']
Mel.
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Mel wrote:
Yingjie Lin wrote:
I have two lists:
li1 = ['a', 'b']
li2 = ['1', '2']
and I wish to obtain a list like this
li3 = ['a1', 'a2', 'b1', 'b2']
[ ... ]
This seems to do it :
mwilson@tecumseth:~$ python
Python 2.6.5 (r265:79063, Apr 16 2010, 13:09:56)
[GCC 4.4.3] on linux2
creation. I' awed.)
Mel.
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-use the Dialog object, it's not a memory leak.
Mel.
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=en_US, mailto:python-for-
android+subscr...@googlegroups.com
. Tends to be pretty detail-oriented.
Mel.
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=en_US, mailto:python-for-
android+subscr...@googlegroups.com
. Tends to be pretty detail-oriented.
Mel.
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of?) the database interface packages already
do just that, returning None when they find NULL fields.
Mel.
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a fresh message handler to a new input message. Docs are via the
Python Global Module Index, source is in some directory like
/usr/lib/python2.6/SocketServer.py , .../BaseHTTPServer.py , etc.
Mel.
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Ian Kelly wrote:
On Wed, Jul 6, 2011 at 12:49 AM, Ulrich Eckhardt
ulrich.eckha...@dominolaser.com wrote:
Mel wrote:
In wx, many of the window classes have Create methods, for filling in
various attributes in two-step construction. I'm not sure why,
because it works so well to just supply
statement is executed.
Later on, when file_to_hash gets called, the value of m is either used as
is, as the default parameter, or is replaced for the duration of the call by
another object supplied by the caller.
Mel.
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in two-step construction. I'm not sure why, because it
works so well to just supply all the details when the class is called and an
instance is constructed. Maybe there's some C++ strategy that's being
supported there.
Mel.
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.
(Just vaguely curious. Also curious as to
whether a zero sig figures value is ever useful.)
Yes. They're order of magnitude estimates. 1 x 10^6 has one
significant figure. 10^6 has zero.
By convention, nobody ever talks about 1 x 9.97^6 .
Mel.
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Erik Max Francis wrote:
Mel wrote:
Erik Max Francis wrote:
Chris Angelico wrote:
On Tue, Jun 28, 2011 at 12:56 PM, Steven D'Aprano
steve+comp.lang.pyt...@pearwood.info wrote:
Zero sig figure: 0
That's not really zero significant figures; without further
qualification, it's one.
Is 0.0
designed.
And for an iterator like
def things():
yield 1
yield 11
yield 4
yield 9
I don't know what it could even mean.
Mel.
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out as soon as possible, they have to be the prime ones.
Good hunting, Mel.
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', 'O_DIRECT',
'O_DIRECTORY', 'O_DSYNC', 'O_EXCL', 'O_LARGEFILE', 'O_NDELAY', 'O_NOATIME',
'O_NOCTTY', 'O_NOFOLLOW', 'O_NONBLOCK
etc.
Mel.
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a population for the property would be the
only way to go. BUT you can also build up the answer knowing the
factorization of all the numbers up to 20.
Mel.
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seen no way to create a new dimension for the game -- Conversation, for
instance, with currently unknown attributes like vocabulary or tone.
Mel.
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... print self.name, self.health
...
Character ('Eunice')
Eunice 50
where the class attribute is used until it's overridden in the instance.
Mel.
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arguments,
## and lastly
data = match.group (3)
This is all from memory. I might have got some details wrong in recognizer.
Mel.
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the desirable padding.
I would be much obliged if someone can give me some tips on how to
achieve a variably pad a number.
:)
('%%0%dd' % (pads,)) % (n,)
Probably be good to wrap it in a function. It looks kind of obscure as it
is.
Mel.
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of lambdas is that you can't
stick trace printouts into them to clarify what's happening. Rewriting the
thing as a plain def function would be instructive.
Mel.
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as `a` in main is identically the same list as
the one known as `c` in fnc2, and what happens happens.
Mel.
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, span) # range doesn't(/didn't) accept this
return result
Tne answer in that case was to take *args as the parameter to wrapped_range
and count arguments to distinguish between the different calls to range.
Mel.
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def super():
self = sys._getframe().f_back.f_locals['self']
return __builtins__.super(type(self),self)
This way the nice Python 3.x syntax can be used in Python 2.x.
Python causes trouble by letting the users get at the internals, but things
like this make it worthwhile.
Mel
.
Any reason this is not a bug?
It's a wart at the very least. The same thing happened in Python2 with
range and xrange; there seemed no way to explicitly pass default
arguments.
Mel.
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/mwilson'
os.chdir('sandbox')
f.name
'xyzzy.txt'
If you open a file and don't get a full path from os.path.abspath right
away, the name in the file instance can get out-of-date.
Mel.
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disarticulation that would show what the
problems were.
Mel.
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) ...
Mel.
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corrupt
*a* 4, but it wouldn't corrupt the *only* 4.
Mel.
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Steven D'Aprano wrote:
Some day, we'll be using quantum computers without memory addresses, [ ...
] it will still be possible to
represent data indirectly via *some* mechanism.
:) Cool! Pass-by-coincidence! And Python 3 already has dibs on the
'nonlocal' keyword!
Mel.
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have it (don't know about Simula, so I am off topic,
actually.) It's not so wrong to think of Python's parameter handling as
ordinary assignments from outer namespaces to an inner namespace.
Mel.
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the possible use of `globals()['foo'].__dict__['var'] . (Hope
there are no typos in this post.)
Mel.
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Westley Martínez wrote:
On Fri, Apr 22, 2011 at 10:08:20AM -0400, Mel wrote:
[ ... ]
But sys.exit() doesn't return a string. My fave is
Python 2.6.5 (r265:79063, Apr 16 2010, 13:09:56)
[GCC 4.4.3] on linux2
Type help, copyright, credits or license for more information.
import sys
.
Appropriate is the problem. This is why Perl needs two completely
different kinds of comparison -- one that works as though its operands are
numbers, and one that works as though they're strings. Surprises to the
programmer who picks the wrong one.
Mel.
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in sys.excepthook:
RuntimeError: maximum recursion depth exceeded
Original exception was:
Traceback (most recent call last):
File stdin, line 1, in module
RuntimeError: maximum recursion depth exceeded while calling a Python object
Mel.
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default arguments are evaluated in the parent context, but the body is
evaluated in its own context?
The operation of calling a function has to evaluate arguments provided in
the caller's namespace and assign them to variables in the called function's
namespace. Yes.
Mel.
--
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to the same dict object. I think
ukeys = dict (self.updates.keys)
would do what you want.
Mel.
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Mel wrote:
Laszlo Nagy wrote:
`ukeys` isn't a different dictionary from `self.updates.keys` I'ts merely
another name referring to the same dict object. I think
ukeys = dict (self.updates.keys)
would do what you want.
Sorry. Belay that. Thought I'd had enough coffee.
Mel
the left and right markers makes the return? feature
impossible to use.
The proposed feature reminds me of the `zod` function (was that the actual
name?) that returned 0 rather than bringing on a ZeroDivideError. It would
cement a strange corner-case into the language.
Mel.
--
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it, especially for abstract things like that.
I can sort of guess that `dir` was perhaps coded in C for speed and doesn't
spend time looking for complicated argument lists.
Python is a pragmatic language, so all the rules come pre-broken.
Mel.
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or license for more information.
bool(y=5)
Traceback (most recent call last):
File stdin, line 1, in module
TypeError: 'y' is an invalid keyword argument for this function
Mel.
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to be kidding, right? Check *any* of the sites I listed
above and read about it... software idea patent litigation is a business
now worth billions of dollars per year.
One of the premier sites:
http://www.groklaw.net/
Mel.
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character sets is going to be foreign,) and
generally internationalized data processing.
Mel.
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that sets the
value of `mail` from the URL (code you don't show us) sets `mail=None`,
your server-side code blows up. Things would be simpler if you included
a traceback in your error logging.
Mel.
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-release codes are the key-press codes (the key numbers)
but with the high-order bit set.
Mel.
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should indicate that __cmp__ should be retained in
classes.
I would have thought that the upper limit of cost of supporting cmp= and
key= would be two different internal front-ends to the internal
internal sort.
Mel.
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ValueError ('error out of bound')
or define a subclass of ValueError just for this purpose. On error, the
program will stop just as dead, but you'll get a trace.
Mel.
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way with (untested)
for k, v in QCam_Info.items():
QCam_Info[v] = k
Then the dictionary lookups work both ways.
Mel.
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, one underscore. That way, nice descriptive
application module names like 'analyzer_tool_utils' and such would always be
safe to use.
Mel.
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a file made
by marshal or shelve?
Depends. An sqlite3 database file is usable by programs not written in
Python.
I'm more worried about the fact that a python program in user
space can bring down the computer!
Never been a problem in the programs I've written.
Mel.
--
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;
-- a bit of light white clouds in the sky;
In short,
the notion of similarity can be speculated about just endlessly.
Exactly. That's the kind of similarity I would call valid. That's what my
algorithms, if I ever finished writing any, would be looking for.
Mel.
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also be good -- that's the first one I never
did.
Cheers, Mel.
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