51,593 Topics
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| | I run the program and nothing prints out.. #include <iostream> #include <vector> #include <windows.h> using namespace std; void check_neighbors(vector<vector<char> >, int [22][88]); void generation(vector<vector<char> >); void display(vector<vector<char> >); int main() { vector<vector<char> > world(22, vector<char>(88, '.')); int neighborArray[22][80]; //Intial condiion world[3][3] = '*'; world[3][4] = '*'; world[4][4] = '*'; world[3][7] … |
| | Hi All, I am trying to follow the CS106B: Programming Abstractions to learn C++ ([url]http://www.stanford.edu/class/cs106b/[/url]) . As part of the practice, I have to configure Visual Studio to include the custom libraries. I followed the instructions availble at the following location: [URL="http://www.stanford.edu/class/cs106b/handouts/02-Getting-Started.pdf"]http://www.stanford.edu/class/cs106b/handouts/02-Getting-Started.pdf[/URL] [URL="http://www.stanford.edu/class/cs106b/handouts/07P-Downloading-Visual-Studio.pdf"]http://www.stanford.edu/class/cs106b/handouts/07P-Downloading-Visual-Studio.pdf[/URL] [URL="http://www.stanford.edu/class/cs106b/handouts/08P-Using-Visual-Studio-2008.pdf"]http://www.stanford.edu/class/cs106b/handouts/08P-Using-Visual-Studio-2008.pdf[/URL] Can anybody guide me how I … |
| | hi to all! i have a question since my program keeps showing a message which is very annoying.i have asked in several forums but still i havent found a satisfying answer but i just found out about this one,so i hope my problem will get solved! i have several sets … |
| | I keep getting a run time error, i think i has to do with the generate and/or checkNeighbor methods [CODE] #include <iostream> #include <vector> #include <windows.h> using namespace std; void display(vector<vector<char> > grid) { for(int x = 0; x < grid.size(); x++) { for(int y = 0;y < grid[x].size();y++) { … |
| | I am supposed to make a binary hash tree mix of code. I know what I am doing for the most part, but its been a while since I have done some serious C++ coding. The compiler is yelling at me because it doesn't like my last definition in my … |
| | 1.) I am about to run to class and work for the day so I wanted to get this up before I left. 2.) I am using code blocks on Windows. 3.) I ma having an issue where either my main.cpp cannot find my header file, or if I change …  |
| | Hello, I have been working on a program that I got to work successfully, but when I transferred it to having only function calls in my main(), I started to get run errors telling me that something is being used without being initialized after I enter the second number. Basically … |
| | I have a problem with this code : [CODE] #include<iostream> using namespace std; void qsort(int A[], int len) { if(len>=2){ int l=0; int u=len-1; int pivot=A[rand()%len]; while(l<u) { while(A[l]<pivot)l++; while(A[u]>pivot)u--; swap(A[l], A[u]); } qsort(A,l); qsort(&A[l+1],len-l-1); } else{return;} } void swap(int a, int b) { int temp; temp=a; a=b; b=temp; } … |
| | Hi all, I am bit confused about this question: What is the value of i after the for statement is done? [CODE] int n = 100; int m; n = m; for (int i = 0; i < ; i++) { .. } [/CODE] I tried to write it down … |
 | Hi, I need help about launching a web site in default browser using Borland ( button click = launch google.com, for example ). I found solution valid in DEV: [CODE]ShellExecute(NULL, "open", "http://google.net", NULL, NULL, SW_SHOWNORMAL);[/CODE] But it shows an error if used in Borland: [ICODE]Access violation at address 0A1826C8 in … |
| | I am programming for a genetic algorithm. there is a class named Chromosome. populationsize=1000; Chromosome chromosomelist[populationsize]; when I am using this array of objects chromosomelist to initialize some other object Chromosome parent1 = chromosomelist[p1]; I am getting access violation error for p1 greater than 20 upto 999, while it is …  |
| | Hello all . Where could one find the dock panels and autohide thumbtack that is used in ms visual for the project manager and other stuff. I am using c++ forms in ms visual. So far i cant find any code for this, or any programs that contain this addition … |
| | when i had XP i used to be able to make my own card games using the cards.dll file for solitaire and freecell etc, but my probelm is now i have moved to windows 7 64 bit theses programs no longer work as there does not seem to be a … |
 | Hi! I am trying to make a simple program that would determine the number of occurrence or frequency of 20 given array elements according to their respective range. My output should be like this: [CODE]Range Frequency 0-4 0 5-9 1 10-14 3 15-19 5 20-24 7 25-29 3[/CODE] However, I … |
| | hello everyone! i'm writing a program where i want to choose a random double but not greater than "i" which is a specific value --lets say 60--i'm doing the following: [CODE]double b = rand()%i+1[/CODE] and i get the error while compiling : [I][U]invalid operands of types 'int' and 'double' to … |
| | I have a node class that has a Node* parentNode atribute. My constructor is as follows: [CODE]Node::Node(Node* p,const State& s, int d) : parentNode(p), currentState(s), depth(d){ }[/CODE] BUT with this constructor I get a problem: I'm using this class to run a AI Search and at depth 3 it generates … |
| | I'm trying to write an echo like thing doing this : [CODE]> echo Muffins Muffinst > echo two muffins two muffins[/CODE] The problem Is that the program isn't being started from command line, The > is my programs input prompt (trying to write a very simple command line) How would …  |
| | Hello I'm quite new to Jquery, so bare with me please. I've searched google, but I couldn't find an answer to my question. I'm developing an asp.net 4.0 application, and i wrote a Jquery inside my content page: [CODE] $(document).ready(function () { $("#Button1").click(function () { alert("Hello"); }); }); [/CODE] I … |
| | [CODE]for ( i=0;i<a;i++ ) { qin.Echo(); qin>>b; if(b == (char)8) { total--; cuv[i-2]=cuv[i-1]; cuv[i-1]=0; i--; } else if(b!=char(13)){ // for key enter total++; space++; cuv[i]=b; } else break; } [/CODE] If pressed once or twice "backspace" works, but if pressed for more than two times, not working, first i checked … |
 | [CODE] class Matrix { public: int M; int N; double *ptr; Matrix(int m,int n)//constructor takes two ints { M = m; N = n; ptr = new double[M][N]; assign(M,N);//call function } void assign(int M,int N)// method { for(int i = 0; i < M;i++)// i is a row { for … |
| | hello i have a problem to solve for a commandline-programm: there are several types of inputs to get and these can look like: keyword1 <double> value1 <double> value2 keyword2 <double> value1 keyword3 <double> value1 ... I just can't figure out how to do it! thanks! |
| | Hi, lets say i have [CODE]class Players{ public: vector <strings> info };[/CODE] and class that inherits from it [CODE]class son:public Players{ };[/CODE] now in the main function i make 2 of those so now i have 2 vectors in memory that vector holds the same data for all of the …  |
| | Hi, I'm a beginner to C++ and am having some trouble with my list. I first define a struct named "bullet' like so: [code=c++]struct bullet { bool alive; bullet() alive = true; };[/code] Then, I create a list of objects of type "bullet": [icode]list<bullet> bullet_list;[/icode] In my program, I frequently … |
| | Hello all i am just getting into using windows forms. I have been looking around on the internet for like a day now and cant seem to find any good code on how to add a table with columns , rows and labels on the top of the columns. I …  |
 | Fun game for the raging compulsive alchoholic gambler, such as myself. Although the game may vary among casinos, the basic premise is the user picks 10 numbers out of 80. The computer will randomly draw 20 numbers out of 80. If you matched with any of the computer picks, you …  |
| | I am new in programming. I have this problem in coding. i somehow have the idea but i could not simply do it in codes. can anyone add to complete my program. The problem is I enter 10 numbers and i need to sort them ascendingly. #include<iostream> using namespace std; … |
 | I use Visual Studio 2010 Ultimate. After fixing one of my problems, I ran into another. I have 2 files in my project named, let's say, A and B. The problem is when I try to run the code from B, VS outputs code from A. Any ideas on how … |
| | Hello, everyone! I made an account on this website because I'm having trouble with a particular program. I'm supposed to be writing a Polynomial class with a linked list to hold coefficients and an integer for the degree. I keep getting a fatal error LNK1561, though, and I don't know … |
 | I think I have the logic mostly down for this part of the program. However, I am using an implementation of a header file, and in [B]BST::Insert[/B] I am handed a [B]const std::string &v[/B]. For all I know, it is doing the right job passing it off to [B]InserRecursive[/B], but … |
| | Hey there,I'm looking for assistance with my simple code here. Why do my integers ( x,v,z,d,e,f,g,h ) suddenly change when the program reaches the " printf("The decimal value is... " part? Is there something I'm missing? [CODE] #include <stdio.h> #include <stdlib.h> #include <string.h> int main() { int Binary[7],x,v,z,d,e,f,g,h; Binary[0]=x; Binary[1]=v; … |
| | I have an assignment to get the area and perimeter of a rectangle. I have to set the width and length to 1 initially and use set and get functions. I have the following code but am not getting the correct answers for area and perimeter. Any suggestions? Rectangle.h [code] …  |
| | I'm writing a program that takes records(first and last name,id and mark), reads them from a file and inserts the information in StudentRecord structures. For some reason,when I go to list the information, the first and last name strings in each structures are all the same. The first and last … |
| | [CODE] #include<stdlib.h> #include<conio.h> #include<stdio.h> #include<iostream.h> struct pro { int no; int btime; int atime; int stime; int etime; int wtime; int ttime; int rtime; }proc[100],junk; void sort(int n) { pro temp; for(int i=0;i<n;i++) for(int j=0;j<n;j++) { if(proc[j].atime>proc[j+1].atime) { temp=proc[j]; proc[j]=proc[j+1]; proc[j+1]=temp; } } } pro min(int n,int & t) { … |
| | [QUOTE]I was given this project as a part of my school assignment, please note that I have very limited knowledge of the language, and my teacher won't allow using anything other than what is used in the following code (Crappy 12th grade curriculum:yawn:)... Here is my complete code, its in … |
| | Hello, I have a strange problem. I am trying to use the tesseract library in my own project. First, I have used it in a new project, just to test it, and everything has gone fine. After that, I have integrated in a bigger project in the same way as … |
| | Hi, I'm having a problem with using the streamWriter to write to a unicode file. Code as follows: [CODE] for(int i = 1; i < 1018; ++i) { std::wostringstream integer; integer << L"IDS_STRING" << i << L"\t"; wstring thisString = integer.str(); thisString = thisString + L"\"Spare String\""; wchar_t* SpareString = … |
| | i am a beginner in visual c++ and using visual studio 2010, i have came across a scenario where i want a dialog screen to appear in a full screen mode like our youtube video screen. i was successful to make the dialog box appear on the full screen , … |
| | I am trying to launch a process using CreateProcess() I have to modify the Path environment variable as well as add some environment variables of my own. What I am doing is I get the parent's environment block using GetEnvironmentStrings(). I basically copy the parent env block and only modify … |
| | I read a LOT of tutorials on bitmaps. I learned that RGBQuad is for 32 bit bitmaps and RGBTripple is for 24 bit bitmaps.. I'm planning on getting pixel information from a bitmap that can be of 3 types. 24bit, 32bit, 32bit with alpha (Transparent). Thing is, I don't know … |
| | Hi ,I am trying to implement merge sort with list and I have this error in this code [COLOR="Red"]invalid use of void expression[/COLOR] list<string>::iterator LIST_ITER; sz is the size of the list beg beginning of the list end end of the list Thank you in advance [CODE]void merge_sort(LIST_ITER beg, LIST_ITER … |
| | HI everyone, like my last post stated I am new to programming so be patient with me. I am having a hell of a time writing this program and I was hoping some of you might be able to give me some quick pointers on the structure I should use. … |
| | I am writing a program about giving change. But I am having issues with getting remainders for decimal numbers. For instance I am giving $46.63 change I want to know how many $20.00 bills it has, I would have to divide it by 20. 46.63 / 20 = 2.3315 My … |
| | Write a program which asks the user to write some text before analysing it to see how many occurrences of each vowel appears in that text, you should store the number of occurrences of each vowel in an array of size 5. (Hint: use qin for this, with the ‘Return’ … |
 | Hello my fellow Daniwebaholics! I know it is kindof off the wall, but I need help converting a piece of C# code to VB.net. I know a little C#, but not enough to be able to convert complex syntax from one to the other. Here is the code in C#: … |
| | Hay guys, i wanted to get the code for a very large factorial but i was unable to do so. Now, i had to work and develop the code myself, which i did. This code calculates factorial of numbers uptil 14000. . i havent tried more. But i guarantee this … |
 | I've written a program to add two hexadecimal numbers ... Njoy ! tux4life |
 | I want to make a mouse controlled camera the problem is that i want to rotate over the space not the current object but I don't know how to calculate the changes on view transformation. Here is the code example: [CODE] D3DXMatrixLookAtLH(&matView, &D3DXVECTOR3 (0.0f, 0.0f, CurCamRot.z), // the camera position … |
| | Hi, I have an app created in Borland Builder 6, on Win 7, but I tested it on Win XP, and font's size changed, some forms resized... This guy has explained the problem >> [url]http://www.tek-tips.com/viewthread.cfm?qid=1668509[/url] Anyone experienced with this? |
| | something is wrong with my dequeue function. When i try to output the value that's about to get deleted i get garbage on the console window. the enqueue function works fine. [CODE]class Queue { private: int value; Queue *next; public: void dequeue(); void enqueue (int num); }; Queue *head=NULL; void … |
| | hello everyone! i'm writing a program using linux environment and i'm curious about the use of waitpid().i have searched the command on google but i'm not sure i understood the return values of the command. for example i want to use it as follows: [CODE]if(waitpid(-1,&status,WNOHANG )>0) sum++; [/CODE] where sum … |
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