by: Hongzheng Wang |
last post by:
In K&R, they said:
An object is a named region of storage; an lvalue is an expression
refer to an object.
How about these concept in C++?
`The C++ Programming Language' has a similar...
|
by: lovecreatesbeauty |
last post by:
Hello experts,
Why can this difference between prefix increment/decrement and
postfix increment/decrement reside in built-in operators for built-in
data types? Thanks.
// test.cpp
//
//...
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by: Stub |
last post by:
The following code gives error C2105: '++' needs l-value.
char buf;
buf++ = 'A';//buf++ isn't a lvalue
Why buf++ isn't a lvalue? Is this according to C Standard or is there
some reason for...
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by: Michael Baehr |
last post by:
I recently upgraded my Arch Linux system to GCC 3.4, and found out that a
previously accepted behavior (cast-as-lvalue) is now marked as deprecated,
and will cease to function in GCC 3.5. This has...
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by: Romeo Colacitti |
last post by:
Hi,
Does anyone here have a strong understanding for the meanings of the
terms "lvalue" and "rvalue" as it pertains to C, objects, and different
contexts? If so please share.
I've been...
|
by: junky_fellow |
last post by:
Consider the following piece of code:
(char *)0x100; /* I know that converting an integer to pointer
type is implementation defined. But forget
this for a moment */
My question is,
Why the...
|
by: Kavya |
last post by:
These were the questions asked to me by my friend
1. Operator which may require an lvalue operand, yet yield an rvalue.
2. Operator which may require an rvalue operand, yet yield an lvalue.
...
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by: lovecreatesbea... |
last post by:
K&R2, both sec A7.3.4 Postfix Incrementation and secA.7.4.1 Prefix
Incrementation Operators say that "The result is not an lvalue". Is
this correct? I don't see an errata on these points. If below...
|
by: subramanian100in |
last post by:
Consider the following:
int x;
int y;
int z;
(x+y) = z;
For this statement, I get the following error with g++ compiler:
error: non-lvalue in assignment
Suppose I have a class Test and x,...
|
by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
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by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
|
by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
|
by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
|
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...
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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...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...
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