Thomas Bartkus [EMAIL PROTECTED] writes:
[...]
What makes such companies to choose Java over dynamic, productive
languages like Python? Are there any viable, technical reasons
for that?
Are there viable, technical reasons? That would be doubtful.
But
There is a reason very
Paul Rubin http://[EMAIL PROTECTED] writes:
[...]
I'm involved in a development project for something that's security
critical and has to be reliable. The implementation language hasn't
been chosen yet. Python and Java are both possibilities. I'm fine
with the idea of using Python for
Paul Rubin http://[EMAIL PROTECTED] writes:
[...]
I don't understand that. If I see str x = str(3), then I know
that x is a string.
def foo(x):
return str(x)
str = foo(x)
And now, let's say that foo()'s definition is in another module.
It is hard for a programmer to quickly determine
Donn Cave [EMAIL PROTECTED] writes:
[...]
For me, the effect is striking. I pound out a little program,
couple hundred lines maybe, and think hm, guess that's it and save
it to disk. Run the compiler, it says no, that's not it - look
at line 49, where this expression has type string but
Paul Rubin http://[EMAIL PROTECTED] writes:
Peter Dembinski [EMAIL PROTECTED] writes:
If it has to be both reliable and secure, I suggest you used more
redundant language such as Ada 95.
That's something to think about and it's come up in discussions,
but probably complicates stuff since
Bulba! [EMAIL PROTECTED] writes:
[...]
The point is obviously cover your ass attitude of managers:
Managers get paid for taking risk :)
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Peter Hansen [EMAIL PROTECTED] writes:
Roy Smith wrote:
Terry Reedy [EMAIL PROTECTED] wrote:
None has been reserved because there is no known good use for
overriding it.
Should I infer from the above that there's a known bad use?
Yes: making None equal to the integer 3. That's one of
Bulba! [EMAIL PROTECTED] writes:
[...]
That's remarkable, first time I see smth like this -
out of curiosity, could you say a word where was that?
Are you the same Bulba I know from alt.pl.comp.os.hacking?
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Steven Bethard [EMAIL PROTECTED] writes:
Mac wrote:
Is there a nice Python idiom for constructors which would expedite
the following?
class Foo:
def __init__(self, a,b,c,d,...):
self.a = a
self.b = b
self.c = c
self.d = d
...
py class Foo(object):
... def
Peter Dembinski [EMAIL PROTECTED] writes:
[snap]
Eh, sorry, it should look like this:
#v+
class A:
def __init__(self, a, b, c, d):
initial = {'a' : 1, 'b' : 2, 'c' : 3, 'd' : 4}
initial = {'a' : a, 'b' : b, 'c' : c, 'd' : d}
for param
Steven Bethard [EMAIL PROTECTED] writes:
Peter Dembinski wrote:
class A:
def __init__(self, a, b, c, d):
initial = {'a' : a, 'b' : b, 'c' : c, 'd' : d}
for param in initial.keys():
exec self.%s = initial['%s'] % (param, param)
This is not a good use case
Elliot Temple [EMAIL PROTECTED] writes:
I want to write a function, foo, so the following works:
def main():
n = 4
foo(n)
print n
#it prints 7
if foo needs to take different arguments, that'd be alright.
Is this possible?
It is possible, but the more natural way would
Steven Bethard [EMAIL PROTECTED] writes:
Peter Dembinski wrote:
AFAIK inc is builtin function. And builtin functions doesn't have
to be real functions, they can be just aliases to Python's VM
bytecodes or sets of bytecodes.
Wrong on both counts. ;)
Yup. My mistake.
[snap]
And while
Terry Reedy [EMAIL PROTECTED] writes:
M1st0 [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
where I can find the grammar of python bytecode ? ( better if is in
BCF
I believe the top-level production is something like
BYTECODE := (OPCODE ARGS)*
ROTFL :)
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Kalle Anke [EMAIL PROTECTED] writes:
[snap]
sys.maxint = -12345
I don't really understand what you're meaning.
He meant None = 1 :
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vincent wehren [EMAIL PROTECTED] writes:
Peter Dembinski [EMAIL PROTECTED] schrieb im Newsbeitrag
news:[EMAIL PROTECTED]
| Kalle Anke [EMAIL PROTECTED] writes:
|
| [snap]
|
| sys.maxint = -12345
|
| I don't really understand what you're meaning.
|
| He meant None = 1 :
I'm sure
Bruno Desthuilliers [EMAIL PROTECTED] writes:
[snap]
Being an untyped language, Python does not require you to enforce
types.
Nope. Python *is* typed. But it doesnt confuse implementation
with semantic.
Python is typed. And its type system may look strange for anyone who
did only Java or
Steven D'Aprano [EMAIL PROTECTED] writes:
[snap]
new_text =
for word in text:
new_text = new_text + process(word)
new_text = .join(map(process, text))
(I couldn't resist)
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Terry Reedy [EMAIL PROTECTED] writes:
Peter Dembinski [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
Terry Reedy [EMAIL PROTECTED] writes:
I believe the top-level production is something like
BYTECODE := (OPCODE ARGS)*
ROTFL :)
Glad to make your day ;-)
You are welcome
Benji York [EMAIL PROTECTED] writes:
[snap]
code = x + '= 0'
exec(code)
You should generally stay away from exec for lots of reasons.
Code 'refactorizability' is one of them.
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Tom Anderson [EMAIL PROTECTED] writes:
[snap]
The MAtrix had evarything in it: guns, a juimping off teh walls,
flying guns, a bullet tiem, evil computar machenes, numbers that
flew, flying gun bullets in slowar motian, juimping into a gun, dead
police men, computar hackeing, Kevin Mitnick,
Grigoris Tsolakidis [EMAIL PROTECTED] writes:
There is tool to generate UML from Python Code...
The best is human brain.
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I am trying to write Master Thesis on refactoring Python code.
Where should I look for information?
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Skip Montanaro [EMAIL PROTECTED] writes:
Peter I am trying to write Master Thesis on refactoring Python
Peter code. Where should I look for information?
I'm not sure, but one piece of code to check out would probably
be Bicycle Repair Man, a early-stage prototype refactoring tool
[EMAIL PROTECTED] writes:
Investigate the CVS histories of the few 1000s python projects
available at www.sourceforge.net
I don't work with these guys :
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[EMAIL PROTECTED] (John J. Lee) writes:
[snap]
Until they install the next program that does this.
If we talk about _real_ users from the _real_ world, the most of them
would just kill the app (or what is the name for stopping running
program in w32) when the download begins[1] :)
[1] 'hey,
On Sun, 08 May 2005 10:02:42 +0200, Andr Roberge
[EMAIL PROTECTED] wrote:
[...]
google for python and functional; first link:
http://www-106.ibm.com/developerworks/linux/library/l-prog.html
[...]
Imperative programming languages are the most commonly used languages.
Examples of this
On Fri, 13 May 2005 11:52:34 +0200, Xah Lee [EMAIL PROTECTED] wrote:
i wanted to define a function where the number of argument matters.
Example:
def Range(n):
return range(n+1)
def Range(n,m):
return range(n,m+1)
def Range(n,m,step):
return range(n,m+1,step)
this obvious
Steffen Glckselig [EMAIL PROTECTED] writes:
Hello,
I've just wanted to check Python's abilities as a calculator and this
is what came out:
1.0 + 3.0 + 4.6
8.5996
Ehm, how could I get the intuitively 'correct' result of - say - 8.6?
;-)
This is as correct as your computer's
Skip Montanaro [EMAIL PROTECTED] writes:
kyo Can someone explain why the id() return the same value, and
kyo why these values are changing?
Instance methods are created on-the-fly.
So, the interpreter creates new 'point in address space' every time
there is object-dot-method
[EMAIL PROTECTED] (Bengt Richter) writes:
[snap]
So, the interpreter creates new 'point in address space' every time
there is object-dot-method invocation in program?
[optimization]
BTW, a typical performance optimization (not done automatically by python)
is to hoist unchanging-value
Giovanni Bajo [EMAIL PROTECTED] writes:
Peter Dembinski wrote:
BTW, a typical performance optimization (not done automatically by
python) is to hoist unchanging-value expressions out of loops, and
obj.method is often such an expression, so you will this strategy
when people try
to squeeze
Luis P. Mendes [EMAIL PROTECTED] writes:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Hi,
I have a 1000 line python script that takes many hours to finish.
It is running with six inside 'for' loops.
I've searched the net for ways to speed up the proccess.
Psyco improves performance
could ildg [EMAIL PROTECTED] writes:
I have learned python for over a month.
I heard that it was very easy to learn, but when I tried to know OO
of python,
I found it really weird, some expressions seem very hard to understand,
and I can't find enough doc to know any more about it.
These
keirr [EMAIL PROTECTED] writes:
[snap]
I wouldn't, especially[1] if your thousands of business objects get
allocated/deallocated as the system runs. Currently python's memory
usage can grow rapidly (from the perspective of the o/s) when large
numbers of objects are repeatedly created and
Sateesh [EMAIL PROTECTED] writes:
Hi,
Is it possible to access Lotus notes using Python? Can anyone
provide me some pointers?
jython + LN Java bindings may be usable
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Xah Lee [EMAIL PROTECTED] writes:
[snap]
put it on your blog
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