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General C++ Programming - March 2012 (Page 29)

So I have a template based class which I call MyStack<T> . I want to create an iterator so that I can iterate through my stack by doing something like this: ...

[1 reply] : You can either let the iterator contain a pointer to the stack and an ... (by Peter87)

by Arctic Inferno

Higher precision than double possible?

I'm using Visual Studio 2010 Professional C++. I understand that double occupies 8 bytes. Long double is a myth and isn't more precise because it also occupie...

[5 replies] Last: Since it's open source/GNU (ugh...) try doing what you should do with ... (by puzlanzen)

by puzlanzen

standard RegEx library doesn't recognize spaces? How to fix?

I thought I would attempt to learn the new stuff in C++11. After all, since it was declared to be the new standard, in a few years people less experienced than ...

[2 replies] Last: Wow... I feel stupid... I guess you are right. It was after midnight w... (by puzlanzen)

by Eyad

Wrong output

when i ask the user to enter two inputs of type "int", and he enters a "letter = which is of type char" the compiler calls the default constructor that initiali...

[3 replies] Last: EGAD Eyad! It sounds like you're complaining about a 90 minute resp... (by cnoeval)

by nickoolsayz

[HELP] Im reading data from .csv and storing into arrays

If someone who knows this fairly well, id like to help along the way of doing this little project i have. My boss at work generates a .csv file for call logs...

[5 replies] Last: As others have suggested. Read an entire line. Parse that line. Apply... (by clanmjc)

by jvscrptr

Build errors on my code.

Error Image Link is here: http://prntscr.com/6ywz5 My code BOOL CMover::AddItem( CItemBase* pItemBase ) { #ifdef __TAB_INVENTORY if (pItemBase->GetPr...

[2 replies] Last: Question one, is m_Tabs a member of CMover? Question 2, is CMover par... (by clanmjc)

by fairburn

Help reading data from a text file

I'm writing a program to read 2 polynomials from a plain text file, separated by a line that contains the string "XXX". The first column contains a coefficient ...

[6 replies] Last: Do you absolutely need a linked list? Vectors are an easy/safe way to... (by Stewbond)

by Shiva dzhee

Function parameter passing mechanism in details

Hi, geeks!+) a)Please look at the sample code: int main() { int val = 50; int* ptr = &val; printf("%d %d %d", *ptr, val++, *ptr); return ...

[6 replies] Last: A specific compiler or interpreter may give a stable result, but this ... (by Duthomhas)

by zsukal

how to catch exception modifications to the array "const pointer"

Hello. I write function whose Modifying array (char), how to check that variable of function is non-const. implementation void modifying(char* arr){ // ...

[2 replies] Last: Hi First you define the parameter of the function to be const or not.... (by therockon7throw)

by beere

Is there a way to do something like switch cases with #includes?

Hello, im having a problem with a program. It solves different problems and i import the example problems using #include examplea.h Having multiple examples...

[1 reply] : You're not really clear on what you're trying to do: If you're trying... (by Kyon)

by navdiv

calculate mean of framewise calculated values

I would like to calculate the average of all the framewise quality measures(mse,psnr,mssim) calculated between stable and unstable videos : my code looks like...

[no replies]

by snova

regarding boost::interprocess::message_queue operation

Hi Everyone, Using boost::interprocess methods, I am communicating with different process. The followings are my scenario. Please suggest better ways to read...

[no replies]

by ZaurBilalov

LCD Display

A friend of yours has just bought a new computer. Before this, the most powerful machine he ever used was a pocket calculator. He is a little disappointed beca...

[1 reply] : Seems like a lot of work. I would just tell my friend he's being an i... (by cnoeval)

by codrgi

write a value into memory by dll?

i have an app that im launching, that app is using my dll, how do i write a specific value to a specific place in the apps memory? for example, i'm looking to ...

[1 reply] : By using just C++, placement new maybe what you're looking for. Palc... (by closed account zb0S216C)

by Svarrio

having problems with the this pointer

Hello guys, Im stuck on a probably beginners error. They gave us the unlink function as Item* DList::unlink(Item* ptr) so thats what i put there but then wh...

[4 replies] Last: now it complies dlist->unlink(this) dlist is what i had wrong (by Svarrio)

by lo0lo0999

help me convert this C++ program to Visual C++

#include <windows.h> #include <stdio.h> #include <conio.h> #include "dynamixel.h" #pragma comment(lib, "dynamixel.lib") // Control table address ...

[2 replies] Last: Ok I want to modify this program to make garphics user interface to ma... (by lo0lo0999)

by guerrez

Advanced Bit Operation

Hi! I am using an SPI (Serial Peripheral Interface)protocol. The package is 32 bit length. For send data I have to write to a 16 bit register for two time. ...

[3 replies] Last: Hi! I will explain better, I have to send 2 package of 16 bits to the ... (by guerrez)

by gumata

hashtable

how to remove an entry in the hashtable? please help

[1 reply] : Depends on how you made the hashtable. What does it store and how? (by Gaminic)

by Maggi Iggam

Can't find solution ???

Here's the question :- Heroes in Indian movies are capable of superhuman feats. For example, they can jump between buildings, jump onto and from running train...

[1 reply] : This is a standard breadth first search problem (BFS). BFS algorithm t... (by turingcomplete)

by wbeasley

Vector of strings, what is the easiest way to do it

what is the easiest way to get a long list of names using a vector vector<string> nameslist("Tina","Aaron","Alan","Christi… "Katherine", "Simon", "Nick","C...

[4 replies] Last: Certainly the magic number has to go. std::vector<std::string> names... (by cire)

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