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by: Stephen C. Waterbury |
last post by:
This seems like it ought to work, according to the
description of reduce(), but it doesn't. Is this
a bug, or am I missing something?
Python 2.3.2 (#1, Oct 20 2003, 01:04:35)
on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> d1 = {'a':1}
>>> d2 = {'b':2}
>>> d3 = {'c':3}
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by: Steven Bethard |
last post by:
I thought it might be useful to put the recent lambda threads into
perspective a bit. I was wondering what lambda gets used for in "real"
code, so I grepped my Python Lib directory. Here are some of the ones I
looked, classified by how I would rewrite them (if I could):
* Rewritable as def statements (<name> = lambda <args>: <expr> usage)
These are lambdas used when a lambda wasn't needed -- an anonymous
function was created with...
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by: Roy Yao |
last post by:
Does it mean "(sizeof(int))* (p)" or "sizeof( (int)(*p) )" ?
According to my analysis, operator sizeof, (type) and * have the same
precedence, and they combine from right to left. Then this expression should
equal to "sizeof( (int)(*p) )", but the compiler does NOT think so. Why?
Can anyone help me? Thanks.
Best regards.
Roy
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by: John Cho |
last post by:
// CHO, JOHN
#include<iostream>
class fracpri{
int whole;
int numer;
int denom;
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by: John Cho |
last post by:
/* This program is a database program that will store
video tape names, minutes, year released, and price
I want it to be professional so that *YOU* will want
to buy it and use it for a video store, j/k about that
but i want it to be professional */
// note to leor, display works fine, you must have
// pressed update
#include<iostream>
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by: Anoob |
last post by:
Can we consider () unary operator when calling a function, in exps eq.
f(), ( 1 + 2). But when we call function f( 10 ) it is a binary
operator. Even if we pass f( 10, 20) as we are using , operator there
one operand will be there for ()?
And Unary operators like !, +, -, ~, ... are said to be having
associativity right to left which means that we can write, (but not
allowed)
1. 2!
2. !2
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by: Deniz Bahar |
last post by:
I know the basic definition of a sequence point (point where all side
effects guaranteed to be finished), but I am confused about this
statement:
"Between the previous and next sequence point an object shall have its
stored value modified at most once by the evaluation of an expression.
Furthermore, the prior value shall be accessed only to determine the
value to be stored."
Can someone give me examples of expressions that "barely"...
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by: Thierry Lam |
last post by:
What does the following macro mean, especially the << sign:
#define hello(x) (( int64 ) floor( (double) x ) << 32)
Thanks
Thierry
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by: john |
last post by:
Hi, in TC++PL3 on page 665, regarding valarray member functions, it is
mentioned:
"valarray operator-() const; // result= -v for every element
// similarly: +, ~, !"
I checked the web and could not find anything that explains the need of
this "operator+".
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by: Peng Yu |
last post by:
Hi,
In the following code, the 'copy' member function works. But the '='
operator does not work. Can somebody let me know why a member function
is different from an operator.
Thanks,
Peng
#include <iostream>
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by: jinu1996 |
last post by:
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
|
by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
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