51,592 Topics
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| | Hi friends, I want to implement code which can take input from some other application. Like say for example ls | less Here, less is the application/utility which takes input from ls via pipe. I want to implement the same in C. I Did following things 1. Created PIPES using …  |
| | ` Inline Code Example Here #include <iostream> #include <stdio.h> #include <string.h> #include <stdlib.h> struct contact_detail { int id; char user_name[15]; char email_address[15]; int phone_number[10]; char address[10]; }; struct meeting/appointment { int date_of_meeting/appointment[7]; int time_of_meeting/appointment[4]; char location[15]; }; struct new_user; struct meeting; void add_new_record(void); void binary(void); void delete_record(void); void edit_record(void); void …  |
| | I've tried lots of times to get this to work but , no luck . the problem is this program shows white screen , and It doesn't display the polygon . Here's the code , take a look : /*Headers*/ #include <GL/glut.h> /*End of headers*/ /* Check Compiler*/ #ifdef __FLAT__ … |
 | I am student just finished an introductory class on C++. Can any one help me build a GUI for my programs? Maybe a template? Example? Any and all help would be greatly appreciated. Thanks. |
| | A queue is a restricted data structure that allows only the following operations: a.Enqueue" an item at the end" of the queue. b.Dequeue" an item from the beginning" of the queue. These should correlate with your intuitive notion of a queue (line) in the physical world. In queues the first … |
 | // my problem is in the playerscore and computerscore always gives me 0 or 1 // i cant know who finally won plz i need ur help //at the end of the program it should gives me the score of computer and the user out of 5 of the total … |
 | Write a method named CustomerCreditLimit() that accepts a double as a parameter and displays the value as the amount of credit granted to a customer. Provide a default value for the method so that if a program calls the method without using an argument, the credit limit displays $500. Write …  |
 | Helloo... I am making a simple notepad program. I don't know how to move cursor using ASCII Table. I am using Two way doubly Linked List method to insert characters. And file handling to save on file. I don't know how to move cursor on up, down, right and left. … |
| | Hi, I have followed the tutorial in this link: http://www.cs.ucla.edu/~zhu/tutorial/Using_MS-MPI.pdf to use MPI on my local windows machine with vs. The simple Hello wold work as expected, I have 2 processors and I get the expected result. The problem is when I try a very simple send receive program I … |
| | Can Any body do it???? These are Some Info..... Create a notepad that allows the user to write text on the console. For this purpose, the user should be able to control and track the movement of the cursor. The user can access, add and delete any part of the … |
| | I am supposed to write a program that displays the first 10 lines of a file. I have a file named "characters.txt" in the same folder that my .cpp is saved in, but when I try to compile the program, it says the file cannot be found. Here is my … |
 | I'm trying to get a better understanding of ifstream, and was playing with it using the program below. It's purpose was to grab the first and last entries in the file, instead I get some perplexing output leading me to realize I've very little clue as to how streams really … |
| | int rad; int rad; float PI = 3.14 ,area,ci; printf("\n Enter radius of a circle:"); scanf("%d",&rad); area = PI*rad*rad; printf("\narea of a circle is %f",area); ci = 2*PI*rad; printf("\ncircomeference of a circle is %f",ci);  |
| | I see a lot of people list code using this "::" as in: #include <iostream> int main() { std::cout << "Blah, blah, blah"; return 0; } and others use "using" #include <iostream> using namespace std; int main() { cout << "Blah, blah, blah"; return 0; } Is there a downside … |
| | Dear all Can anyone explain to me how a (local) counter can be modified in a loop without being touched in the code? ... and how I am best to debug this? Thanks Erich void test(double *x, int l, int N, int K, double *p, Comp * y) { int … |
| | Hello all: I have written a function that gets data (numbers) from a text file. My function works by taking a line from the text file, discarding unnecessary symbols, and putting the numbers into a vector. Here's a snippet: // Get data from text file. Values then put into one … |
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| | plz write this program for me write a program that input 2 time from the user and display the sum of this time in this format HH.MM.SS  |
 | Hi, I'm relatively new to C++. I'm trying to search for a double quote and replace it with 2 double quotes ( for CSV format conversion). The code compiles and works fine when Quote is any string. But it freezes when I try to search for a "\"". Help appreciated. … |
| | I am having trouble understanding an external sort. I have to code up an implementation for the following below. I have to sort 120 records(they are really just integers), and have a memory restriction of 20 records. So I will have 6 blocks. Let me know if this is right: … |
| | I started using C++ after learning Python, so I'm very very new to this. I'm writing a program and have 2 files in the project. I have my list.h class and my program. The list.h class, despite the fact that its a given class and should work, is ridled with … |
| | I was wondering about something: LazyFoo, the author of some amazing SDL tutorials has put copyright on his source code. Does this prevent people from writing functions that are largely, if not entirely similar to his? For example, his 'load_image' function used in a lot of the tutorials is extremely … |
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| | **hello peeps and geeks, i am missing the MinSpanningTree function here.. any help please? need to fill up the function to get a) Minimum spanning tree cost for the graph b)Spanning tree path for the graph. E.g in matrix or adjancency list. ** #include <iostream> #include <ctime> // For time() … |
 | What I'm trying to do is initialize a vector of objects, pass the vector to a function, then initialize a new object with a constructor. After setting the object members in the function, I add that object to the vector. The problem is the member functions aren't updating outside of … |
| | I've implimented this snippet of code dijkstra_shortest_paths( g, name2v[tempName1], get(&VertexProperty::predecessor, g), get(&VertexProperty::distance, g), get(&EdgeProperty::weight, g), boost::identity_property_map(), // index-map std::less<double>(), // compare std::plus<double>(), // combine std::numeric_limits<double>::infinity(), // infinity 0.0, // zero do_nothing_dijkstra_visitor(), get(&VertexProperty::color, g)); to use dijkstra's on a map created from a text file, but I have no idea how … |
| | Generic task: I am assigned to store student information in a binary search tree. I have a templated tree class, school class, and student class. The school class inherits from the tree class. The student class is on its own. Now, I want to encapsulate a student in a struct, … |
| | Okay, so as ussual I'm having a lot of problems with a code and I need a lot of help along the way, but I'm just going to break it down into simple questions as I go. I am taking data from an input file that is a .txt that …  |
| | How can i write a C++ program which prompts the user to enter names of five countries , stores them in a 2D array,sorts them alphabetical order and prints them on screen. im unable to make it..plz help #include <iostream> using namespace std; int main() cout<<"Enter tha names of five … |
| | Hi I have a little problem. I am having a project and i need to implement Dijkstra for a graph.So far it was ok but i have that problem when run it in g++ The code is where i think i have the error is here i think: if(!graph_list.at(start_Node->id)->path_list.empty()) { … |
| | ok so here is what my code does, when you click sign up it will then open a new form wherein you can create your account by putting a username and password, after that it will save your username and password to the debug folder inside bin folder. the saved …  |
| | So, this is my coding, but when i insert data, i cannot update view / print input that i had inserted. And also, i had connect the database with NOTEPAD, but it does not appear. So, what is the problem? # include <iostream.h> # include <fstream.h> # include <iomanip.h> struct …  |
| | Hello dear, I'm playing a normal game called "Kal-Online" and am doing my own server and im looking for a coder who can help to code skills and some stuffs for me I'd like to find him/her out, King Regards, Sheba.  |
| | Hi folks, I have a problem... Der erste Ordner `./src` mit der main hat folgendes Makefile (automatisch erzeugt) include C:/IPG/hil/win32-4.0.5/include/MakeDefs APP_VER = "Car_Generic <insert.your.version.no>" APP_NAME = CarMaker.$(ARCH)$(EXE_EXT) #OPT_CFLAGS = -g -O1 LD_LIBS = $(CAR_LIB) $(EKF_LIB) $(CARMAKER_LIB) $(DRIVER_LIB) $(ROAD_LIB) $(TAME_LIB) OBJS = CM_Main.o CM_Vehicle.o User.o OBJS_xeno = IO.o $(OBJS_CANIOGEN) $(OBJS_CANIOGEN_USER) OBJS_linux … |
| | I currently have a program that can take a text file and inport the data that I need (names or locations as well as the distances between them) and I need to take that data and for a graph in boost so that I can do one of three things, … |
 | Please help me sir.. its my first .. how to instal OpenGL Library into MinGW .... i have tried but error code : #include <GL/gl.h> #include <GL/glut.h> void display() { glClear(GL_COLOR_BUFFER_BIT); glFlush(); } int main(int argc, char **argv) { glutInit(&argc, argv); glutInitWindowSize(512,512); glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); glutCreateWindow("Test Program :: hello world"); … |
 | Write a C++ program to check whether a triangle is valid or not, your program should have the following function: checktriangle(int,int,int) This function takes the three integer type variables as the angle of three sides. And perform the validity check for the triangle as follows: A triangle is valid if … |
| | Hi, I am working on a project and I have to implement a graph and to look for the shortest path. As I read so far the best way is with Dijkstra's algorithm. I am trying to do it but i have some problem. Can you please help me with … |
| | Guys this is the code in c++ of bubble sort but i don't how to show it's output in animation> what kind of project should i made in visual studio and what libraries should i use? please help me guys i really want your help. #include <windows.h> #include <stdio.h> #include … |
| | i want code of Sorting techniques like insertion sort , merge sort , bubble sort , quick sort. i want their output in gui or in any animation form in any language like c , c# or java. can any one help me plz ?Any one sorting technique is ok. |
 | so whenever i tried to compile it give me error 2816 ive never used dev c++ although i have used netbeans and i had to change control panel env options and put C:\cygwin\bin but now im using mingw cuz dev c++ came with it. so this is the compiler log … |
| | My while loop should terminate when the user types 0 for employee number. Unfortunately when you press 0 the loops iterates at least once before terminating. I was under the impression that as soon as the sentinal value is triggered the loop would terminate immediately. Right now I run program … |
| | the output should be... "1 2 3 5 6 7 8 9 Merry christmas" using for loop.. here's my code ! </ #include<stdio.h> #include<conio.h> main() { int x; for(x=0;x<9;x++){ printf("\n %d ",x); } getch(); } >  |
 | Hi, In below code snippet , can anyone let me know how to print the functor value output (3,4,5,6,7) without embedding add function in class. #include<iostream> #include<vector> #include<algorithm> using namespace std; void add ( int i) { i=i+2; } int main() { vector <int> vec ={1,2,3,4,5}; for_each(vec.begin(), vec.end(),add); for (auto … |
| | Write down in C++ and OpenGL a code that is able to draw a polygon with the following vertex: {-0.6,-0.6; -0.6, 0.6; 0.6, 0.6; 0,6,-0.6) and rotate the polygon by 450 |
 | when we overloading a function: what matters is only the argument list(inclued the types) or the return type too? i'm overloading the assigment operator, but seems that i can't use with diferent return types:( please someone explain to me |
| | I'm trying to create a simple colored cube using vbo(well it actually a rectangle with z = 0). I am using glew & freeglut. Here my code. #include <GL/glew.h> #include <GL/glut.h> #include <stdio.h> const int g_width = 800; const int g_height = 800; #pragma comment(lib, "glew32.lib") static const GLsizeiptr PositionSize … |
| | I am not asking you to write a calculator for me , I am asking , what must I learn to be able to write this program or these kinds of programs ? I have some experience programming console applications using C++ , but I have absolutely no idea what … |
 | Hi fellows, My question is: Is It possible to work with GUI(Graphical User Interface) in C++? Or Is it not the ideal computer language for this? Thanks  |
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