49,766 Topics
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 | The below code gives an output of: [CODE] Allocated! Allocated! Deleted! Allocated! Allocated! Deleted! Size: 3 Capacity: 4 vector[0]: isAligned! 20 30 40 Deleted! Deleted! [/CODE] Can someone explain the first allocation and why there are 4 allocations instead of 2 (one for each reserve?). I figure the first is … |
 | Basically I need to read from a text file that looks like this customer Kevin checking myaccount 100.00 bond mybond1 1997 100 0.07 bond mybond2 2010 200 0.01 irabond myirabond1 1997 100 0.06 end customer Mark irabond hisirabond1 1999 200 0.08 bond hisbond1 1990 2000 0.10 end I need to … |
| | I have an assignment to write a program that builds an array Usize determined by user inputs m,n. the hangup is that the first element in each row or column is equal to the number of the row or column,and all the elements inside are to be the value of … |
| | I'm having trouble figuring out why my extractMax function isn't working correctly. I'm reading from an input file that looks something like this: [CODE](arule, 12), (brule, 21), (zrule, 70), (drule, 25), (erule, 10) (frule, 3) (grule, 20), (srule, 100)[/CODE] It should read the priorities into an array, build the heap, … |
| | Hey all I have a program that I have been working on and am having some trouble with keeping count of all the users grades. I know that now I am only counting the last grade earned for each category but I want to know how to keep count of …  |
| | I am new to C++ and I am having problems with my code as you may imagine. As a newbie, I am creating an application in which converts celsius to fahrenheit and vice versa. The application has to ask what the user wants. I set up the application to run … |
| | Hey, I have a volume/surface area calculating program, but the problem is that my program always runs through the first possible choice instead of choosing between two. It will always do the cube/rectangle function instead of going to the square pyramid function. Here's my code. [CODE] #include <iostream> #include <windows.h> … |
| | [CODE] cout<<"\n\n Please Input The Drive Letter Of Your Input Device \n"; cin>>DRL; string str(DRL); string str2(":"); string src; string hi; src=str.find_last_of(DRL); cout<<src; if(src!=str2) { hi=string(DRL)+string(str2); cout<<hi; } else*/ cout<<hi; [/CODE] [What am i dong wrong.i am trying to enure a colon input in the drive letter regardless of user … |
| | Hi guys. I have a php script that reads some values off a website and prints to a file every second.. The thing is, the script is always ran in my browser and I don't like that. I want to write a c++ program that can run that script within …  |
| | Hi, I'm trying to put together a recursive function to count number of internal nodes, but I can't seem to grasp how to just grab internals. Any help? This so far only seems to count number of nodes [CODE] int numI(Node* p) { if(p== NULL) return 0; else return 1+numI(p->left)+numI(p->right); … |
| | hey guys, i have a C++ assignment and i have no idea where to start. my assignment is we have to capitalize first letter of the every word entered. if asked user to enter a their full name, the program should capitalize the first letter of their first name, middle … |
| | I'm having a problem with my struct I believe. [CODE]struct GLPoint { int x; int y; }; int totalmarbles = 64; GLPoint midhold[64]; double dist(GLPoint a, GLPoint b) { double distance = sqrt(pow(a.x - b.x, 2) + pow(a.y - b.y, 2)); return distance; } void init(void) { glClearColor (1.0, 1.0, …  |
| | I am using _getcwd() to get the full path of the current working directory but I am having a strange problem with this: When I run the program from within Visual Studio _getcwd returns "F:\...\ProgramName\bin" to which I append "\Debug\config.txt" to give the path of a text file. However, when … |
| | In my cs2 class the assignment is to implement a sparse matrix with pointers without using a 2d array. Here is the exact text: A sparse matrix can be represented using an array of pointers called "arrayOfPointer" and an array of integer called "matrixInfo". The size of "arrayOfPointer" will be … |
| | Hi everyone....iam electronics engineering student and i have experienced some c++ ,i mean i know till oop basics... i want to learn scriptig language for EDA, i want to know which to learn...Perl or Python?....can python do everything perl can do??....i hear that perl is much harder to learn...is it … |
| | I've been getting an error that says a class isn't declared when I try to pass it to a function. I got this error before, so I deleted the code and typed it out again and it worked. It's not working this time. The program starts in main, then goes … |
 | char experiment = 'Q' is what I got, however if I were to type in "AAA" or simply more letters than one then it will bug out a bit for me. Is there some kind of similar text to this but for char: [CODE] int mainval; while(true){ cout<<"1. Start game"; … |
| | I am trying to call a C++ program for a Windows Forms App and to subsequently wait until the exe finishes. So far here is what I have: [CODE] Dim ProcessID As Integer Dim ProcessHandle As Integer ProcessID = Shell(filepath_exe, AppWinStyle.NormalFocus) ' Check the Shell command worked If ProcessID <> …  |
| | I have a hw problem that has me baffled. Im sure It is not a big deal, i just am not that familiar with c++ yet. I am tasked with assigning a char value to rate an employee if I enter certain char's i should display a specified string. and … |
| | So I'm asked to write a program that outputs the first N number of frugal numbers. A frugal number is a number that has more digits than the digits in its prime factorization (including the number of digits in the powers) Ex: 1024 = 210 1024 is frugal since it …  |
| | I am having hard time understanding what the problem is with my code here. Basically I have a map that contains Key objects as the key, and Block* as the value. The point of this for loop is to print out the values that the key contains on to the … |
| | I am working with an array of 10 numbers and I have already read them in and printed them out. The two functions below are the ones I am having trouble with. This is what the input looks like: 3 7 9 3 8 2 10 11 4 14 Write … |
| | can anyone please provide me with a clear explanation of Win32 resources? You can make a dialogbox or menu for your win32 program using either resources or using c++ to code it. 1.) Why would i ever choose to use a resource script/editor provided by my compiler vs codeing it … |
| | i try to understand how it works. its supposed to work but isnt. the following code shouldnt be working?what i do wrong? i receive the constructor values. [CODE]#include "Person.h" #include <iostream> #include "fstream" #include "cstdlib" using namespace std; int main() { fstream file("malakia.dat", ios::out | ios::in | ios::binary); Person data; … |
 | Hello, I'm developing an application that reads a text file, and then replaces what's in the text file with an array (alphabet) It all works ok until I try and change the position of the inputted character and it returns: [b]Segmentation fault: 11[/b] It's really confusing! Here is my code: … |
| | This is the assignment: Write a class named Employee that has the following member variables: name. A string that holds the employee’s name. idNumber. An int variable that holds the employee’s ID number. department. A string that holds the name of the department where the employee works. position. A string … |
| | Good morning, I've been trying with various libraries (everything from pugixml to RapidXML) but have been unable to parse a simple XML file. [b]I want to grab all the inner text of each page->text into separate std::string's.[/b], so 1 page per std::string. My RapidXML attempt: [url]https://ideone.com/XWylb[/url] My pugiXML attempt: [url]https://ideone.com/RzN6X[/url] … |
| | As the title says, I need to know how to put a "Credits" or "About" tab in my form, so people know that its from me. (I made a little Halo Reach Music Player with music, I just started programming yesterday and the app is finished, it just needs the … |
| | Hello guys... I had an assignment where i needed to find the average temperature.. here is the question This project asks the students to read input data from a file, do some processing, and direct the output onto the screen. Use Visual C++ to write your program. Write a C++ … |
| | I cant figure out how to plug in my vectors for my High and Low. I am fairly new please Help. [CODE]#include <iostream> #include <string> #include <vector> #include <iomanip> #include "conio.h" using namespace std; //Create a datatype to represent weather station... struct SurveyInfo { string LocationID; //The location of the … |
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