C++

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Beginners - May 2013

by DrZoidberg
Running an external .exe in a console app
 
What's a good alternative to system(...)? I would like to place the .exe in the same folder as my program and run it without specifying the file path, like ifs...
[2 replies] Last: Sorry, should have looked it up first. (by DrZoidberg)
by DrZoidberg
Writing to/reading from files
 
When using ifstream file; file.open ("Data.txt"); file >> variable; Is there a way to specify the line number, or another way to make it possibl...
[2 replies] Last: Thank you (by DrZoidberg)
by konovoloff
Trying to extract a certain string from a text file
 
okay so im new to programming and Ive emailed my prof 3 times to ask for help but she hasnt replied, so hopefully someone here can help me out. I know I nearly ...
[1 reply] : Here the entire contents of the file is displayed. But you could easil... (by Chervil)
by engineerbball23
Working with Arrays and Loops
 
I am trying to create program that asks a students information. However when I run the program the first questions is skipped? How do I fix that? for(i...
[4 replies] Last: right clarification, miiniipaa. apologize for my lack of precision, bu... (by ar2007)
by Jeffrey Clark
STL list, need help using remove
 
I am creating a "Graph" ADT using a multi-list for one of my c++ classes. I am not very familiar with the STL list object, and am having trouble deleting a Vert...
[4 replies] Last: No, that would not work. The parameter for remove_if is a predicate .... (by keskiverto)
by Nexy
friendship not being recognized
 
Hello, I'm learning about the friend function but I can't seem to get it work though. Can someone tell me what I'm doing wrong? //Auxi.h #ifndef AUXI_H #defin...
[14 replies] Last: That still didn't fix anything. I get the same error and still can't i... (by Nexy)
by LethalJ
Random Number Generation Issue
 
Hello everyone, I have recently watched a tutorial on generating random numbers, however there seems to be a problem with my code which doesnt show up in the co...
[3 replies] Last: Thank you for all the feedback.... @dedlier Although with your method ... (by LethalJ)
by Jinjaninja1
Need Help with 2D dynamic arrays and finding largest product of any four adjacent numbers in the array (1,2,3)
 
Hey guys, I need help with writing a program that creates a 2D dynamic array from a command line argument and then finds the largest product of any four adjacen...
[40 replies] Last: We have already shown by pointing you to a thread that has an example.... (by keskiverto)
by geezle86
Please help me, about decimal in C++..
 
So, i wrote this code: //On a certain day the British pound was equivalent to $1.487 U.S., the French franc was //$0.172, the German deutschemark was $0...
[10 replies] Last: BTW... All standard i/o manipulators which set or reset something, w... (by andywestken)
by mjhenre
Troubles with mancala
 
For my class I'm making a mancala game, but I'm having troubles with the actual movement of marbles in the game #include <iostream> #include <vector.h> ...
[no replies]
by DrZoidberg
How to create an unclosable form ?
 
I want to create a form that you can't close. Obviously disabling the Control Box isn't going to be enough since you can still just use Alt+F4, Task Manager, et...
[3 replies] Last: Thank you both, I got an in-depth answer in the Windows forum. (by DrZoidberg)
by letscode
Opening new program from within a program
 
I want to open a new terminal window using a program just the way a window is created using the windows command prompt. I tried 'spwanl' but the child process d...
[9 replies] Last: Yes i understand that for creating a process, you need to use some OS ... (by letscode)
by Adam Brown
Memory Leaks. String Help
 
So, I'm having a problem actually understanding memory leaks I suppose. I thought I had a grasp, but I was mistaken. Visual Leak Detector has detected 5 leaks i...
[8 replies] Last: Does the standard allocator for string use memory pooling? Many impl... (by JLBorges)
by Eren Jaeger
ERROR: Label "foo" was referenced but not defined.
 
So I was fooling around with some C++ and got the previously stated error with some code that looked kind of like this: #include <iostream> using namespa...
[10 replies] Last: Anybody with access to this forum has access to the Internet at large,... (by MikeyBoy)
by Zexd
for switch
 
I wrote the following program... I didn't compile it yet because I am looking for the way to break a loop from switch statement. I tried Google, but no results....
[10 replies] Last: something like this? bool bStillGoing = true; while(bStillGoi... (by mutexe)
by tdk93
tried linklist implementation using two classes(node and list), error
 
i tried implementing Singly Linked List using two classes, SLLNode(node) and SLL(list class) Here're the implementations --------SLLink.h------- #ifndef INT_LI...
[3 replies] Last: It is obvious that instead of SLL *head, *tail; there shall be SLLN... (by vlad from moscow)
by Pebble
Simple Class: Path of execution.
 
I'm teaching myself about Classes so i can start using SFML, But Cant work out how the function at line 14 is called. Can someone explain the logical path of ...
[2 replies] Last: Thank's coder777. (by Pebble)
by mohd9011
problem with atan in c++
 
Iam writing a program for my senior project its a program to input the current coordinates and the destination coordinates and output the compass angle that the...
[4 replies] Last: There are a few issues with your original code. if(x1=x2) if(y1=y... (by Chervil)
by Rakanoth
Program Crash
 
hey i took this code to see how my visual studio 2012 will respond and it crashed i took this code from the documentation // operating with variables ...
[6 replies] Last: some IDEs support two types of execution, one that closes after finish... (by Rechard3)
by herold
Help needed to convert path in C
 
Hello Friends, I am writing one module in which i need to convert the path of directory (Windows) but the problem is the path is without '\\' means it ...
[2 replies] Last: your question is not really very clear, i'm not sure i understood all ... (by Rechard3)
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