by: Lasse Skyum |
last post by:
For my renderer at each frame I'm filling a vector with CVisual* elements,
sorting it, rendering the objects and then clearing the vector again.
I suspect there will be an overhead if the vector...
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by: Noo |
last post by:
Hi. I've got some code that uses vectors fairly extensively and it needs to
be efficient. Therefore I'm using reserve() quite a bit. However what other
functions (are supposed to) change the...
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by: Joseph Turian |
last post by:
Fellow hackers,
Is it possible to shrink the capacity of a vector?
i.e. Without new'ing and delete'ing a vector, can one return its memory
to the heap?
Here's what I get under the g++...
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by: Fred Zwarts |
last post by:
There are a few things I do not understand about the vector class
in de standard C++ library. The description of the resize member
function says:
void
resize(size_type sz);Alters the size of...
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by: AlirezaH |
last post by:
How to measure hard disk capacity?
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by: leeps_my |
last post by:
I'm thinking of using "resize-to-size" to do the trimming:
aVector.resize( aVector.size( ) );
I'm wondering why Scott Meyers was recommending "swap trick" instead,
since the trick involves...
|
by: tcsvikr |
last post by:
Hi,
The string::capacity() returns the size of the allocated space, which is either equal or greater than this content size.
My question is: Is capacity assigning equal or greater than content size...
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by: puzzlecracker |
last post by:
Say I have a vector<intintVec, and I reserve some sapce
intVec.reserve(100);
Is it fair to assume the vector contains enough space for 100
elements. In which case, the capacity -- ability to...
|
by: Luna Moon |
last post by:
#include "stdafx.h"
#include <iostream>
#include <string>
using namespace std;
int main()
{
string cc(31, 'c');
string bb=cc.assign(3, 'dd');
|
by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
|
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...
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by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
|
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,...
|
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...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
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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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