General C++ Programming - C++ Forum

by Mac

Hi, I'am looking for the fastest way to convert the a binary number into decimal value, The binary number is a char array of 0 and 1. So far, i come up w...

[8 replies] Last: Don't use gets()...that is all... (by firedraco)

by lampshade

Ordering of LinkedList code..

Trying to figure out why my list() class pointers are being overwritten with the third node. What happens in the insert function (posted) is that the second tim...

[1 reply] : This will sound mean but stl will make this a non issue. Use std::str... (by bnolsen)

by blueshark

Bad Allocation Exception by filling a vector

Hey Guys, I am using MSVC++ and here I am using a vector as a container and I am storing 3d Points in it. The Points have a double for each coordinate. Wh...

[6 replies] Last: Your problem is memory fragmentation due to the way vector resizes its... (by jsmith)

by Null

Very strange goto

#include <conio.h> int main() { int i; goto *i; // yes, it compiles! And crashes... getch(); } anyone can explain what's goin on? I'm just cu...

[7 replies] Last: That sounds like a silly addition. Wouldn't assigning to a variable an... (by helios)

by Gregor

simple HTTP response

I'm writing a server that will send a simple text file with some info. I read the html 1.1 response section from specs here: http://www.rfc-editor.org/rfc/r...

[2 replies] Last: As I understand it, the second CRLF is only when returning additional ... (by Gregor)

by sengoku

use of class template requires template arguement

This my first post. This is the error C2955, it is in relation to how i defined my list in my template. namespace met { template <class T> class CState...

[no replies]

by KenSoGCN

About the return address of shmat

Hi, My server always coredump when restarted without clearing shm. When gdb into it, I found that a pointor saved in shm pointed to a wrong memory. So I dou...

[1 reply] : You shouldn't put pointers in shared memory. Each process may map mem... (by kbw)

by chrisname

Embedding ASM

Hi. I was learning x86 (I love it) amd I know that you are able to embed it in C and Pascal. How can you do it in C++? Thanks.

[2 replies] Last: Thanks. The ASM is fun, I never realised it was so easy to learn. Imp... (by chrisname)

by Gooblah

I/O Operations running into fatal runtime error

Okay, so I'm attempting to write a rudimentary program to add new tags to XML files and their respective Schemas. I'm using Dev C++ v7/0.2 to compile and set up...

[8 replies] Last: Even with your advised changes, the program still isn't writing. Here'... (by Gooblah)

by OSU123

Inventory Class Implementation

Ok: I am using polymorphism and inheritance to create an inventory tracking program. My issue is that I don't understand how to read a user input into a class. ...

[2 replies] Last: The standard answer, I think, would be to do it outside the classes. ... (by webJose)

by Zishanrbp

how to write the program

Write a program to find the sum of series: 1+ x 1 /2! + X 2 /3!+ ……+X n /(n+1)! ,where n is any number inputted by the user. ...

[8 replies] Last: Thank you so much johnkravetzki (77). i appreciate your help. thanx ... (by Zishanrbp)

by luckycusp

Static Attribute in Class

class xyz { public: static int abc; }obj1,obj2; Are static attributes allowed in a Class? How can this work? As far as I know, only when we inst...

[2 replies] Last: Thanks! (by luckycusp)

by blueshark

container iterator without end

Hi Guys, I am looking for a container with a specific iterator. When I am iterating over all elements and reach the end, it should start from the beginning a...

[2 replies] Last: Thank you for your help :-) (by blueshark)

by low1988

recursion maze

This is a recursion maze which the starting object would move in four direction orderly: #include <iostream> #include <conio.h> #include <iomanip> #defin...

[no replies]

by lampshade

Access Violation, Why?

Its the same! Just a different location in memory... //main.cpp wineries->insert(winery("Lopez Island Vinyard", "San Juan Islands", 7, 95)); Then ...

[8 replies] Last: Yes. I thought I could pull that off in the c'tors init list. ... (by lampshade)

by Null

Anyone used set_new_handler?

http://www.cplusplus.com/reference/std/new/set_new_handler/ I found this useful but i haven't seen this function used by anyone on this site. Or this is some k...

[1 reply] : It's not evil. If you need it, use it; if you don't, don't. (by kbw)

by LoLFactor

Read line by line

Is there any way to read line by line from a file with the WIN32 function ReadFile()? Or at least a work-around...

[4 replies] Last: Are you suggesting something like: DWORD dwChars; LPSTR lpChar ; ... (by LoLFactor)

by Akashic

Weird class declaration.

NVM, dumb me.

[no replies]

by bjch512

How to display time elapsed continuously while a lengthy task is running?

On Linux I run a C++ program that invokes 3 tasks one by one like this: int main() { task1(); task2(); task3(); return 0; } Each task ma...

[12 replies] Last: Thanks. I'll download the code and try to figure it out. (by bjch512)

by dharden

string literals split across lines

Is this legal in standard C++? cout << "hello" "world" << endl; I've always assumed a stream insertion operator was required between the string literals....

[1 reply] : It's a kind of string concatenation that happens at compile-time. If y... (by helios)

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General C++ Programming - August 2009 (Page 5)