MRAB wrote:
Paul Rubin wrote:
bearophileh...@lycos.com writes:
Now Ruby dicts are ordered by default:
http://www.igvita.com/2009/02/04/ruby-19-internals-ordered-hash/
Maybe I didn't read that carefully enough, but it looks like ordered
means the dict records come out in the same order you
Stephen Hansen wrote:
Ooh, as an addendum... I found one case where I want insertion-and-update
order: meaning that its an ordered dictionary that maintains insertion
order, but
an update to a particular item moves that item to the back so an update behaves
like del d[key]; d[key] = value in
Mark Wooding wrote:
Steve Holden writes:
No, you aren't mistaken. Looking at the * symbol in the 2.6
documentation index it lists only two references. The first is the
language manual's explanation of its use in the def statement, the
second is a transitory reference to its use in function
Paul Rubin wrote:
Bryan Olson fakeaddr...@nowhere.org writes:
An object's __dict__ slot is *not* mutable; thus we could gain some
efficiency by protecting the object and its dict with the same lock. I
do not see a major win in Mr. Banks' point that we do not need to lock
the object, just its
kt83...@gmail.com wrote:
Thank you very much Bryan.
It does look like this is out of my league.
As Peter Pearson noted, It is out of *everyone's* league. And Peter
used to work for Cryptography Research, a small company that scored as
high in this league as anyone. Maybe you can advance the
Tobiah wrote:
Where can I read about
this mysterious use of the '*'?
Hmmm... that's a harder question than I thought. Am I missing it, or
does Python's doc need a write-up of the extended call syntax?
It only works in the
context of the zip() function. It's hard to understand
how the
kt83...@gmail.com wrote:
Anyways, if we can make it real hard for them to analyze also, I think
we are in the good - esp since the clients are not extremely rich
enough to go for professional analyzers --
Sounds like you have the digital rights management (DRM) problem. As
Diez pointed out,
Carl Banks wrote:
[...]
BTW, class instances are usually immutable and thus don't require a
mutex in the system I described.
Then you are describing a language radically different from Python.
--
--Bryan
--
http://mail.python.org/mailman/listinfo/python-list
Paul Rubin wrote:
Bryan Olson writes:
BTW, class instances are usually immutable and thus don't require a
mutex in the system I described.
Then you are describing a language radically different from Python.
That one threw me for a minute too, but I think the idea is that the
class instance
Carl Banks wrote:
Paul Rubin wrote:
Bryan Olson writes:
BTW, class instances are usually immutable and thus don't require a
mutex in the system I described.
Then you are describing a language radically different from Python.
That one threw me for a minute too, but I think the idea
Carl Banks wrote:
Bryan Olson wrote:
Paul Rubin wrote:
Bryan Olson writes:
BTW, class instances are usually immutable and thus don't require a
mutex in the system I described.
Then you are describing a language radically different from Python.
That one threw me for a minute too, but I
Thomas Guettler wrote:
Sorry, I described my problem not well. Here is more information:
Actually you did pretty well.
[...]
The main application is the intranet web application used with IE (ms windows
client).
Your idea of a custom mime-type, with a browser extension, should work.
I
Gabriel Genellina wrote:
James Mills escribió:
Bryan Olson wrote:
I thought a firewall would block an attempt to bind to any routeable
address, but not to localhost. So using INADDR_ANY would be rejected.
No.
My understanding is that firewalls block network traffic, not system
calls
TheDavidFactor wrote:
[...] It's a deamon that runs on a linux box
and every 15 seconds it checks a MySQL table for new records, if there
are any it creates a .call file on the Asterisk server using ssh, it
also checks the Asterisk server, again via ssh, for any finished calls
and if there are
Gabriel Genellina wrote:
Bryan Olson escribió:
Gabriel Genellina wrote:
greyw...@gmail.com escribió:
[...]
A simple server:
from socket import *
myHost = ''
Try with myHost = '127.0.0.1' instead - a firewall might be blocking
your server.
Just a nit: I'd say the reason to use
Steven D'Aprano wrote:
Here's a less verbose version which passes your test cases:
def inslice(index, slc, len):
Return True if index would be part of slice slc of a
sequence of length len, otherwise return False.
start, stop, stride = slc.indices(len)
if stride 0:
Laszlo Nagy wrote:
[...]
I have read the socket programming howto (
http://docs.python.org/howto/sockets.html#sockets ) but it does not
explain how a blocking socket + select is different from a non blocking
socket + select. Is there any difference?
There is, but it may not effect you. There
ajaksu wrote:
On Jan 1, 4:12 pm, mma...@gmx.net wrote:
I would like to check if an index is in a slice or not without
iterating over the slice.
Something like:
isinslice(36, slice(None, 34, -1))
True
I think it'd be feasible for slices that can be mapped to ranges[1],
but slices are more
Gabriel Genellina wrote:
greyw...@gmail.com escribió:
[...]
A simple server:
from socket import *
myHost = ''
Try with myHost = '127.0.0.1' instead - a firewall might be blocking
your server.
Just a nit: I'd say the reason to use '127.0.0.1' instead of the empty
string is that a
koranth...@gmail.com wrote:
I am creating an application and it creates ~1-2 threads every second
and kill it within 10 seconds. After reading this I am worried. Is
creating a thread a very costly operation?
Compared to a procedure call it's expensive, but a couple threads per
second is
Sengly wrote:
I can hack it by doing eval('1.0*12/5') but is there any better method?
Where did you get the string? If you generated it, you might as well
make one or both the operands float to begin with. If you got it as
input, calling eval() on it is a world of security hurt.
The right
Kottiyath wrote:
Is it a good idea to use Twisted inside my application, even though
it has no networking part in it?
Basically, my application needs lots of parallel processing - but I
am rather averse to using threads -
With or without threads, the Python interpreter does not do
Kottiyath wrote:
[...] I have not yet understood the implementation of
deferred. I went through a lot of tutorials, but I guess most places
they expect that the user already understands how events are
generated. The tutorials mention that there is no more threads once
twisted is used.
My
James Mills wrote:
subprocess process:
#1. When my subprocess process has successfully
started notify the parent.
#2. When my subprocess process has successfully
created a listening socket, notify the parent.
parent process:
#1. When our subprocess process has
goat...@gmail.com wrote:
In my python code I use subprocess.Popen to run and external program
who will listen to a TCP port. And I also create a socket to connect
to the TCP port that the external program is listening.
I will get 'Connection refused, errno=111' when I try to socket.connect
().
goat...@gmail.com wrote:
Guys thanks to point it out.
Yes, it's a race problem. I tried sleep long enough, then I can
connect to the socket. I should add code to try to connect to the
socket for a given time out.
As Roy noted, that's the cheesy way. Are the kind of programmers who
accept
jams...@googlemail.com wrote:
[...]
The program is multithreaded to speed up the processing...there are
input and output Queues.
It's not the major point here, but are you aware of Python's GIL?
Now, each domain entry is an class object containing various bits of
info. Each domain class
Emanuele D'Arrigo wrote:
Bryan Olson wrote:
Software firewalls will often simply refuse incoming connections. The
basic protection of the garden-variety home router comes from network
address translation (NAT), in which case TCP connections initiated from
the inside will generally work
Brian Allen Vanderburg II wrote:
As for the backlog (5), this
doesn't mean that you can only have a maximum of 5 established
connections. Each established connection gets a new socket object. But
what I think it means is that during the listen for an incoming
connection on the listening
Emanuele D'Arrigo wrote:
Hey Bryan, thank you for your reply!
Bryan Olson wrote:
Is it possible then to establish both a server and a client in the
same application?
Possible, and not all that hard to program, but there's a gotcha.
Firewalls, including home routers and software firewalls
Emanuele D'Arrigo wrote:
All the examples though are based on a client interrogating a server,
with the client initiating the connection, obtaining something and
then closing the connection. Basically the server is a reactive party:
only if the client get in touch the server respond.
Indeed,
Gerhard Häring wrote:
Be sure to save it as BLOB, not TEXT.
Suppose you have serialized your object as Python bytestring.
serialized = ...
... .execute(insert into mytable(mycolumn) values (?),
(sqlite3.Binary(serialized),))
This way you will get a BLOB in the form of a Python buffer
[EMAIL PROTECTED] wrote:
Bryan Olson wrote:
[EMAIL PROTECTED] wrote:
This message is not about the meaningless computer printout called
More importantly, it's not about Python. I'm setting follow-ups to
talk.politics.
I set the follow-ups header appropriately, as per established newsgroup
[EMAIL PROTECTED] wrote:
# Ensure that we're running Python 3 or later.
import sys
assert int(sys.version.split()[0].split('.')[0]) = 3
# If there's a better way to chek, please tell.
[...]
Why split at all? Just use sys.version_info:
import sys
assert
Scott David Daniels wrote:
Bryan Olson wrote:
... I think that's good behavior, except that the error message is likely
to end beginners to look up the obscure buffer interface before they
find they just need mystring.decode('utf8') or bytes(mystring, 'utf8').
Oops, careful here (I made
Zac Burns wrote:
There is a problem with this however, which prompted me to actually
write an unzip function.
One might expect to be able to do something like so (pseudocode)...
def filesAndAttributes():
files = walk()
attributes = [attr(f) for f in files]
return zip(files,
John Machin wrote:
Here's a version that makes it slightly easier to comprehend:
Q: I know how to zip sequences together:
| a = (1, 2, 3)
| b = (4, 5, 6)
| z = zip(a, b)
| z
| [(1, 4), (2, 5), (3, 6)]
but how do I reverse the process?
A: Use zip()!
| a2, b2 = zip(*z)
| a2
| (1, 2, 3)
|
Zac Burns wrote:
Sorry for the long subject.
I'm trying to create a subclass dictionary that runs extra init code
on the first __getitem__ call. However, the performance of __getitem__
is quite important - so I'm trying in the subclassed __getitem__
method to first run some code and then patch
[EMAIL PROTECTED] wrote:
This message is not about the meaningless computer printout called
More importantly, it's not about Python. I'm setting follow-ups to
talk.politics.
Certification of Live Birth that Obama propaganda machine calls his
Birth Certificate. The American people are still
Jeff H wrote:
[...] So once I have character strings transformed
internally to unicode objects, I should encode them in 'utf-8' before
attempting to do things that guess at the proper way to encode them
for further processing.(i.e. hashlib)
It looks like hashlib in Python 3 will not even
Python 3 has the 'bytes' type, which the string type I've long wanted in
various languages. Among other advantages, it is immutable, and
therefore bytes objects can be dict keys. There's a mutable version too,
called bytearray.
In Python 2.6, the name 'bytes' is defined, and bound to str.
Forest wrote:
The socket.makefile() docs say, the socket must be in blocking mode. I
don't see any explanation of why blocking mode is required, and I'm not sure
whether that means timeout mode is forbidden as well. Can someone clarify
this?
Looking at the code for the existing
Grant Edwards wrote:
Laszlo Nagy wrote:
What about non-blocking sockets?
$ man recv
...
If no messages are available at the socket, the receive
calls wait for a message to arrive, unless the socket is
non-blocking (see fcntl(2)), in which case the value -1
is
john s. wrote:
#/usr/bin/enviro python
#Purpose - a dropped in useracct/pass file is on a new server to build
a cluster... Alas there are no home #directories.. Let me rip through
the passfile, grab the correct field (or build it) and use it to make
the directory!
import os, sys,
Benjamin Watine wrote:
OK, so if I understand well what you said, using queue allow to be sure
that the data is passed in totality before coninuing with next
instruction. That make sense.
Right.
Using thread and queue seems to be very more slow than using files
redirection with bash.
Arnaud Delobelle wrote:
Bryan Olson wrote:
We mean that the party supplying the keys deliberately chose
them to make the hash table inefficient. In this thread the goal
is efficiency; a party working toward an opposing goal is an
adversary.
There are situations where this can happen I
D'Arcy J.M. Cain wrote:
John Nagle wrote:
What's the cheapest way to test for an empty dictionary in Python?
Try this:
if dict:
D'Arcy is right; that's the way to go. I'll add that 'dict' is the name
of the built-in class, so an instance is usually best named something else.
--
[EMAIL PROTECTED] wrote:
John Machin wrote:
On Mar 22, 1:11 am, [EMAIL PROTECTED] wrote:
A collision sequence is not so rare.
[ hash( 2**i ) for i in range( 0, 256, 32 ) ]
[1, 1, 1, 1, 1, 1, 1, 1]
Bryan did qualify his remarks: If we exclude the case where an
adversary is choosing the
Benjamin Watine wrote:
[EMAIL PROTECTED] a écrit :
I wrote:
And here's a thread example, based on Benjamin's code:
[...]
Doh! Race condition. Make that:
import subprocess
import thread
import Queue
def readtoq(pipe, q):
q.put(pipe.read())
cat =
Arnaud Delobelle wrote:
Bryan Olson wrote:
[...]
Arnaud Delobelle offered a good Wikipedia link, and for more background
look up amortized analysis.
Hrvoje Niksic provided the link :).
Oops, careless thread-following. Hrvoje Niksic it was.
I still think two unrelated
things are being
wesley chun wrote:
http://it.slashdot.org/it/08/03/18/1633229.shtml
it was surprising and disappointing that Python was not mentioned
*anywhere* in that article but when someone replied, it sparked a long
thread of post-discussion.
What I found disappointing was how many people thought they
gangesmaster wrote:
i'm trying to figure out if a pipe on win32 has data for me to read.
[...]
does anyone know of a better way to tell if data is available on a
pipe?
something that blocks until data is available or the timeout is
elapsed,
In Win32 WaitForMultipleObjects and
Simon Forman wrote:
Is there a more efficient way to do this?
def f(L):
'''Return a set of the items that occur more than once in L.'''
L = list(L)
for item in set(L):
L.remove(item)
return set(L)
That's neat, but quadratic time because list.remove() requires
a
Arnaud Delobelle wrote:
Ninereeds wrote:
Hrvoje Niksic wrote:
This doesn't apply to Python, which implements dict storage as an
open-addressed table and automatically (and exponentially) grows the
table when the number of entries approaches 2/3 of the table size.
Assuming a good hash
sturlamolden wrote:
Guido van Brakel wrote:
def gem(a):
g = sum(a) / len(a)
return g
It now gives a int, but i would like to see floats. How can integrate
that into the function?
You get an int because you are doing integer division. Cast one int to
float.
def gem(a):
[EMAIL PROTECTED] wrote:
Gabriel Genellina wrote:
No need to reinvent the wheel. socket objects already have a makefile
method returning a file-like object, which behaves like a buffered socket.
That wheel is far from round, and needs some reinvention. Python's
file-like objects do not play
[EMAIL PROTECTED] wrote:
[Dennis Lee Bieber had written:]
Or create a protocol where the first 16 bits (in network byte order)
contain a length value for the subsequent data, and use a receive
process that consists of:
leng = ntoh(socket.recv(2))
data = socket.receive(leng)
(the
[EMAIL PROTECTED] wrote:
Well, lets say you have a situation where you're going to be
alternating between sending large and small chunks of data. Is the
solution to create a NetworkBuffer class and only call send when the
buffer is full, always recv(8192)?
Buffering can often improve
David S wrote:
I get
ERROR: C:\Program Files\apache-ant-1.7.0\bin\ant does not exist
If I cut the path statement here and paste it next to a windows XP command
prompt ant is invoked.
The python code here is
if not os.path.isfile(ANT_CMD):
error('%s does not exist' %
David S wrote:
Using C:\Program Files\apache-ant-1.7.0\bin\ant.bat just gives me the same
result.
Did you try the raw string, with the .bat extension? As in:
r'C:\Program Files\apache-ant-1.7.0\bin\ant.bat'
After Microsoft started allowing blanks in paths, it took them years to
fix many
Robert Bossy wrote:
[EMAIL PROTECTED] wrote:
Robert Bossy wrote:
Indeed! Maybe the best choice for chunksize would be the file's buffer
size...
That bit strikes me as silly.
I won't search the doc how to get the file's buffer size because
I'm too cool to use that function and prefer the
[EMAIL PROTECTED] wrote:
how would this work with UPDATE
command? I get this error:
cmd = UPDATE items SET content = ? WHERE id=%d % id
self.cursor.execute(cmd, content)
pysqlite2.dbapi2.ProgrammingError: Incorrect number of bindings
supplied. The c
rrent statement uses 1,
Robert Bossy wrote:
Bryan Olson wrote:
Robert Bossy wrote:
Robert Bossy wrote:
Indeed! Maybe the best choice for chunksize would be the file's buffer
size...
That bit strikes me as silly.
The size of the chunk must be as little as possible in order to minimize
k.i.n.g. wrote:
I think I am not clear with my question, I am sorry. Here goes the
exact requirement.
We use dd command in Linux to create a file with of required size. In
similar way, on windows I would like to use python to take the size of
the file( 50MB, 1GB ) as input from user and
Benjamin Watine wrote:
And if somebody need it : to get the stdout in a var (myNewVar), not in
the shell :
cat = subprocess.Popen('cat', shell = True, stdin = subprocess.PIPE,
stdout=subprocess.PIPE)
cat.stdin.write(myVar)
cat.stdin.close()
cat.wait()
myNewVar = cat.stdout.read()
Is
I wrote:
[...] Pipe loops are tricky business.
Popular solutions are to make either the input or output stream
a disk file, or to create another thread (or process) to be an
active reader or writer.
Or asynchronous I/O. On Unix-like systems, you can select() on
the underlying file
Lie wrote:
[...]
Soft Exception is an exception that if is unhandled, pass silently as
if nothing happened.
[...]
Implementation:
Simple implementation might be done by catching all exceptions at the
highest level, then filtering which exceptions would be stopped (Soft
Exception) and which
Grant Edwards wrote:
It may be obvious that he has a question. It's not the least
bit obvious what that question is.
How can we efficiently implement an abstract data type, call it
'DoubleDict', where the state of a DoubleDict is a binary
relation, that is, a set of pairs (x, y); and the
Mark Dickinson wrote:
Jeff Goldfin wrote:
I can pack and unpack a float into a long
e.g.
struct.unpack('I',struct.pack('f',0.123))[0]
but then I'm not sure how to work with the resulting long.
Any suggestions?
One alternative to using struct is to use math.ldexp and math.frexp:
m, e =
rodmc wrote:
[...]
Python:
f = open(finish.html)
doc = f.read()
f.close()
print doc
You might need to start with:
print Content-Type: text/html
print
Is finish.html in the right place? When you browse to your
script, can you see that you're getting the
[EMAIL PROTECTED] wrote:
Bryan Olson wrote:
How can we efficiently implement an abstract data type, call it
'DoubleDict', where the state of a DoubleDict is a binary
relation, that is, a set of pairs (x, y); and the operations on
a DoubleDict are those on a Python set, plus
rodmc wrote:
[...] I have played around a bit more
so that both the image and HTML file are in the public_html folder.
They are called via python using a relative URL, and have permissions
set to 755. Within the HTML file the image is accessed using just
banner.jpg. The actual page displays
rodmc wrote:
Probably a silly question but I am writing a CGI script which need to
check the referring URL, can anyone provide any pointers? I have
looked at URLLib2 and a couple of other libraries, but am slightly
confused.
When you say, check the referring URL, what are checking about
it?
[david] wrote:
If I have 37 threads, all calling a large function 'f', are the formal
parameters thread safe?
That is, will the formal parameters be trashed? Do you need to use
locks or semaphores before using formal parameters? Are the labels for
formal parameters static?
If I have
Hendrik van Rooyen wrote:
Jeff Pang p...uno.com wrote:
I want to transmit an array via socket from a host to another.
How to do it? thank you.
pickle it and send it and unpickle it on the other side.
See the cPickle module docs for loads and dumps.
In particular note:
Warning: The
[EMAIL PROTECTED] wrote:
Hello everyone,
OK, so I want to split a string c into words using several different
separators from a list (dels).
I can do this the following C-like way:
c=' abcde abc cba fdsa bcd '.split()
dels='ce '
for j in dels:
cp=[]
for i in
Summercool wrote:
I wonder which language allows you to change an argument's value?
like:
foo(a) {
a = 3
}
n = 1
print n
foo(n) # passing in n, not n
print n
and now n will be 3. I think C++ and PHP can let you do that, using
their reference (alias) mechanism. And C,
Lawrence D'Oliveiro wrote:
Bryan Olson wrote:
Lawrence D'Oliveiro wrote:
In Bryan Olson wrote:
coldpizza wrote:
It turned out that the method above ('SELECT * FROM TABLE LIMIT L1,
L2') works ok both with mysql and sqlite3, therefore I have decided to
stick with it until I find something
Mark Summerfield wrote:
The sorteddict API that has emerged so far is (1) apart from the
constructor, everything is identical to dict, (2) the constructor
takes the same args as sorted(), so if you want to seed with a dict or
with keywords you write sorteddict(dict(a=1,b=2), ...), (or you
Hendrik van Rooyen wrote:
Nick Craig-Wood wrote: [about passing sockets between processes]
It is trivial to pass a socket to a new thread or a forked child - you
don't need this mechanism for that. It doesn't work on different
machines though - it has to be on the same machine.
How does a
coldpizza wrote:
It turned out that the method above ('SELECT * FROM TABLE LIMIT L1,
L2') works ok both with mysql and sqlite3, therefore I have decided to
stick with it until I find something better. With Sqlite3 you are
supposed to use LIMIT 10 OFFSET NN, but it also apparently supports
the
Lawrence D'Oliveiro wrote:
In Bryan Olson wrote:
coldpizza wrote:
It turned out that the method above ('SELECT * FROM TABLE LIMIT L1,
L2') works ok both with mysql and sqlite3, therefore I have decided to
stick with it until I find something better. With Sqlite3 you are
supposed to use
Alex Martelli wrote:
Bryan Olson [EMAIL PROTECTED] wrote:
...
YouTube (one of Google's most valuable properties) is essentially
all-Python (except for open-source infrastructure components such as
lighttpd). Also, at Google I'm specifically Uber Tech Lead, Production
Systems: while I
Paul Rubin wrote:
You can also pass the open sockets around between processes instead of
reverse proxying, using the SCM_RIGHTS message on Unix domain sockets
under Linux, or some similar mechanism under other Unixes (no idea
about Windows). Python does not currently support this but one of
Alex Martelli wrote:
Bryan Olson wrote:
[...]
How does Google use Python? As their scripting-language
of choice. A fine choice, but just a tiny little piece.
Maybe Alex will disagree with me. In my short time at
Google, I was uber-nobody.
YouTube (one of Google's most valuable properties
coldpizza wrote:
I want to run a database query and then display the first 10 records
on a web page. Then I want to be able to click the 'Next' link on the
page to show the next 10 records, and so on.
My question is how to implement paging, i.e. the 'Next/Prev' NN
records without
Carl Banks wrote:
Not many people are bit-fiddling these days. One of the main uses of bit
fields is flags, but that's not often done in Python because of keyword
arguments and dicts, which are lot more versatile. Another major use,
talking to hardware, is not something oft done in Python
[EMAIL PROTECTED] wrote:
There are already anonymous functions in Python.
lambda x, y, z: x + y + z
is the same as:
def _(x, y, z): return x + y + z
They are the same only in special cases:
The special identifier _ is used in the interactive
interpreter to store the result of
Cristian wrote:
[...] Specifically, he's having trouble
thinking of functions as first order data (don't worry, I haven't
confused him with such terminology yet).
[...]
And, after we finally
get a hold of first order functions, we appreciate its incorporation
into languages. It would be a
Paul Rubin wrote:
Bryan Olson [EMAIL PROTECTED] writes:
[EMAIL PROTECTED] wrote:
There are already anonymous functions in Python.
lambda x, y, z: x + y + z
is the same as:
def _(x, y, z): return x + y + z
They are the same only in special cases:
The special identifier _ is used
[EMAIL PROTECTED] wrote:
Bryan Olson wrote:
One surprising result was that more of the Python
programmers surveyed use bitwise operators than are aware
of the exponentiation operator, which C does not offer.
On that subject, I'd suggest that the pow() builtin (not the **
operator - just
Gabriel Genellina wrote:
En Thu, 20 Sep 2007 08:46:29 -0300, Steven D'Aprano
Another way is to use this class:
class HashableList(list):
def __hash__(self):
return hash(tuple(self))
...and that will stop working as soon as the list is mutated (which is
exactly what you
TheFlyingDutchman asked of someone:
Would you know what technique the custom web server uses
to invoke a C++ app
No, I expect he would not know that. I can tell you
that GWS is just for Google, and anyone else is almost
certainly better off with Apache.
(ditto for Java and Python) CGI is
Karthik Gurusamy wrote:
While it's easy to explain the behavior, I think the decision to dis-
allow mutable items as keys is a bit arbitrary.
Furthermore, it's not really true.
class Blurf (object):
def __init__(self, intval):
self.seti(intval)
def
Jim Langston wrote:
Assignment operators in C++ should attempt to prevent two pointers poining
to the same memory location. Consier a simple class (untested):
class Foo
{
public:
char* Data;
int DataSize;
Foo( int Size ): DataSize( Size ) { Data = new char[Size]; }
~Foo()
Rustom Mody asked:
[...] why does
(yield(x) for x in si(l) if x % p != 0)
not work? I would have expected generator expression to play better
with generators.
You have a statement, yield(x), where the construct requires
an expression.
--
--Bryan
--
Amer Neely wrote:
I don't have shell access but I can run 'which python' from a Perl
script, and I will try the different shebang line you suggested.
And after trying it, Amer Neely reported:
I tried `which python` and `whereis python` and got 0 back as a result.
So it seems Python is not
J. Cliff Dyer wrote:
Bryan Olson wrote:
Scott David Daniels wrote:
C, which was designed as a high level assembly language, does not
tightly define the results of / and % for negative numbers. Instead
it defines the result for positive over positive, and constrains the
result
Prateek wrote:
[...]
Mainly it revolves around dedicating one core for executing
synchronized code and doing context switches instead of acquiring/
releasing locks.
http://www.brainwavelive.com/blog/index.php?/archives/12-Suggestion-for-removing-the-Python-Global-Interpreter-Lock.html
Amer Neely wrote:
This seems to indicate that maybe my host needs to configure Apache to
run python scripts? But I didn't need to do anything with mine.
Another possibility: If it works on Windows but not Unix, check
the end-of-line characters. Windows ends each line with the two
character
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