51,593 Topics
 | |
 | Well, i'm developing a program, ( API ) and i'd like to use a [url=http://www.snap2objects.com/wp-content/uploads/2009/10/6.jpg]non standar font,[/url] for some section of my program. My question is, how can i do this, i mean, i supose i have to install the font on the user pc, but how do i do … |
| | Hi, I am writing a simple program, trying to learn the usage of map. Following is the data, I will be storing in a map and I get a core dump when line No: 54 is being executed. Please let me know if something is wrong in my code. I … |
| | I am having a hard time getting started on this array. I am in a C++ class but I have no refrence material to go off of This is what i have so far, The purpose of the code is to find out how many wait staff is needed if …  |
| | I am converting a console IO program to a file IO program. The program worked perfectly as a console IO. I thought I made the appropriate changes to the program. It compiles, and when I run it output does go to my output text file, but the output is the …  |
| | Hi guys I use the following code to check if a user has specified a certain argument: [CODE]if (strcmp(argv[i], "-i") == 0) { // do something }[/CODE] I use the following code to check whether any arguments have been specified (e.g. -i test1) but it gives me a segemtation fault … |
| | i am trying to make a program where a user inputs two numbers. the first number needs to be less then the second. then the program needs to add all the numbers together that fall between those two numbers including the two numbers. for example number1 = 1, number 2= … |
| | I need to find how long it takes to execute a bunch of code. I've tried using clock() but it's just not accurate enough for the small functions (it says 0 cycles have passed). I heard of gprof but that only seems to be for Linux. The version of Visual … |
| | |
| | Hi, I'm trying to convert a void pointer to a struct pointer.. that's seems very easy but my compiler give me error. Thanks. /home/subi/Personal/Projects/LinkedListUserInfo/main.cpp||In function ‘error_t parse_opt(int, char*, argp_state*)’:| /home/subi/Personal/Projects/LinkedListUserInfo/main.cpp|50|error: expected primary-expression before ‘)’ token| /home/subi/Personal/Projects/LinkedListUserInfo/main.cpp|50|error: expected ‘;’ before ‘null_pointer’| /home/subi/Personal/Projects/LinkedListUserInfo/main.cpp|48|warning: unused variable ‘null_pointer’| ||=== Build finished: 2 errors, 1 … |
 | I am after making my program wait before responding to the users input, what code do i use for this and how do i implement it? [CODE]#include <iostream> using namespace std; int main() { char instuctions = 0; int A = 0; // user input 1 int B = 0; … |
| | Problem: Use a 2 dimensional static array with 3 rows & 2 columns to the course number and number grade you have received in that course. The program should have three functions called get information, printinformation, and convert. You need to send array to getinformation and printinformation functions as parameters. … |
| | Is there any advantage in declaring a variable local to a function const? i.e., I want to use a sine value a couple of times so I store it in a local variable. If I make it const does this facilitate any compiler optimizations... or anything beneficial? [CODE] double my_func(double … |
| | Hi! I am trying to convert my c/c++ code into a python module. The code captures an image which it then runs some algorithms upon. For a start, I am trying to write a code that just captures an image. I am using opencv for the image capture (in the … |
| | As the title states, I'm trying to learn how to create a custom GUI window for Windows. Basically I'm asking how I can output pixels to the screen without using any of the default windows gui classes. |
 | Hey everyone, I want to start learning socket programming. Ay references and advices will be greatly appreciated!! |
| | I'm working on my first game in C++ and SDL. The game compiles and runs perfectly on both my boxes (Arch Linux and Windows XP). When two of my friends were to test the game, one of them (running Windows Vista) said his machine BSoD'd every time he ran the … |
| | Dear all, I am currently working on a mini-application using Visual C++, and it goes pretty much like this: The program, using mousehook, will retrieve the coordinates of the current mouse position using getcursorpos when a right click is executed, and it will return with a red dot on the … |
| | I got a problem solving this. I tried to use the sample input and I got exactly the same output as the sample output but I still got WA. Even my output had the same format and same number of characters including every new line but still got "wrong answer". … |
| | My program is able to create the folder fine but I wanted to know if there is a way to put the date and time in the title? C++ and using Visual Studio 2008 for Windows. [CODE]system("mkdir %SYSTEMDRIVE%\\Blebble\\Blabble");[/CODE] |
| | Hey, WHen i load Dev-C++ a box comes up and says "There doesn't seem to be a GNU Make File in Path or in Dev-C++'s bin... " how do i make a GNU Make File? wilko1995 |
| | Can anyone tell me how to execute a program like this, it is written, it compiles, my input and output word documents are both up and running and saved. What do I need to do to get my output document to show results from my program? Thanks.  |
| | Let's say there's list of numbers like this saved in a txt file: 4 6 3 4 5 How do I put it into an array? |
| | I am a beginner with C++ so please excuse my ignorance. I am attempting to pass a dynamically created 2d array to a function. The array the [3]x[variable] array is created like this. [CODE] //Create array for the transformed coords double **transf; transf = new double*[3]; for (int i=0;i<atoms;i++){ cout …  |
| | No matter what I do, I always get the numeric value from the ASCII chart. In this case I get 104, even though I denote Name[2] as a character. [CODE] string Name= "John"; cout << tolower ( char ( Name[2]) ) << endl; [/CODE] |
| | if I wanted to do for example this [CODE]class MyClass{ float x,y; void SomeFunction() }; void MyClass::SomeFunction(){ MyClass A = this;//???? } [/CODE] How would I do that? I have virtually no experience with pointers so please help me out. I basically want to make the new class I am … |
| | I have been trying to make a vector class to handle particles in a particle system I am making. The problem I have is when I try to change the dir it does not do what it is supposed to. If I keep pressing up it will just bounce back … |
 | Hey ! I've been using NetBeans for quite a long time, and totally addicted to it. Therefore there was no mercy when my mate wanted to join my project. - He had to get it too. He's one of those Windows guys tho x) I installed him MinGW and MSYS, … |
| | Hello, I got a problem. Whenever I use rand() and I rerun the source I get the same results each time do u know whats wrong?  |
| | Given n points, how can I find how many different lines can be drawn through these points? Thanks |
| | I have this sprite that I am printing out sf::Image aNimat; if(!aNimat.LoadFromFile("images/fish.png")) std::cout<<"File not found fish.png"<<std::endl; however I want to print it out at random places and in random numbers. Can anyone suggest how I would go about it? |
| | Hi, I recently came across a code which had the below lines. [code] unsigned int n = 10; n ^= (unsigned int) - 1 ; [/code] It is not clear to me what the second line does. Anyone can help please :) |
 | [I]<<thread split>>[/I] Who exactly? The OP left the forum 4 YEARS ago. And there the thread lay, nice and quiet until a day ago.  |
| | Hi there, I'm trying to return base class pointers from the two classes 'base' and 'child', but I keep on getting a build error of "1 unresolved externals". I think it may be because I am linking all the files together incorrectly. When I comment out the problem line in … |
| | [CODE] #include <limits> using namespace std; const double double_nan = numeric_limits<double>::quiet_NaN(); double x = double_nan; if (x == double_nan) cout << "OK" << endl; [/CODE] I dont get OK! Why?  |
 | I'm working on a bunch of stuff with arrays. At the moment I'm trying to come up with with an insert function that allows me to put as many elements as I want into an array, only keeping the five recent most elements. So I guess what I want to … |
 | Here is my assignment: "Define a class for rational numbers. A rational number is a number that can be expressed as the quotient of two integers. For example, ½, ¾, 64/2, and so forth are all rational numbers. (By ½ and so on we mean the every day fraction, not … |
| | How do I write a program that takes in some data files that have a bunch of numbers in them and then spits out certain numbers. Which then would be decoded using ascii values. You dont have to write the program, but it would really help full if you could … |
| | Hi! My problems are more of porting a code to Windows, than the code itself. I need to download a file from a URL ( http://127.0.0.1/img.jpg ) and store it in a local file. I think I've screwed up the setting up of the libcurl libraries. I am using Visual … |
| | I've followed an example from a website on how to use diff time, however its telling me that it took 0 seconds which obviously isn't right...can anyone please explain what I'm doing wrong? Thanks in advance! [code=php]int main() { time_t t1, t2; double dif; Matrix A(2); Matrix B(2); A.SetElement(1,1,1); A.SetElement(1,2,2); … |
| | Im brand new to C++ & Im having trouble with this program im writing i got all the way to the end of it working im just having problems using the setw function in reading and outputting from a file. I have my code attatched for what mine looks like, … |
| | Hi Everyone, I'm making a windows mobile app in C# that aims to help those affected by Alzheimer's Disease Part of it needs to send text messages at 5 minute intervals, however, the rest of the C# program needs to continue at the same time. I know that when you … |
| | My problem is how to seek or search a word from my text file. here how it done. I want to search a word "Computer" found in my text file, and will output or will be print of screen as "Computer been found!" if the keyword are found and will …  |
| | Hello Daniweb, I'm new to C and I need help with this basic calculator. It's supposed to calculate investment, only it never gives me the correct result Here is the source, [code] #include <stdio.h> #include <stdlib.h> #include <windows.h> #include <math.h> int main() { double result; int a; int b; int … |
| | Hello, I know i'm suppose to ask programming questions but i'm stuck on how to do it in the first place, the question is: You are given 4 information-gross pay, number of extra hours worked, the hourly pay rate, and the income tax rate. Calculate the overtime payment: Overtime payment … |
| | Hi All, What all the difference between Macros and Inline functions. Why do they prefer inline functions? When Do macros come in use? What are the disadvantages of Macros and inline functions? thanks in advance |
 | I was trying out a 2-dimensional integer array on a UNIX box. I hit up a 'Segmentation Fault' on trying to run it. [CODE]#include <iostream> #include <cstdlib> using namespace std; int main() { int matrix[2000][2000]; int i, j; srand ( 1 ); for (i=0; i<2000; i++) { for (j=0; j<2000; … |
| | Hii Friends This is the 1st time I am using a C# forum. I get a feeling that I have reached the right place. I am building a C# Windows Application. I have used WMP(Win Media Player) on my main form to run some URL. It's playing good,no probs there. …  |
| | Hi! I'm trying to build a Python extension with C/C++. I'm following the steps given in the documentation [URL="http://docs.python.org/extending/extending.html"]here[/URL]. I've followed the steps mentioned and written my first code. However, I have no clue on how to compile the project! I do not know how to create the .pyd file … |
| | [url]http://en.wikipedia.org/wiki/Brainfuck[/url] Interesting. One day once I figure out c++, I might give this a whirl! |
| | I NEED HELP WITH THIS ASSIGNMENT. I HAD THE WHOLE ASSIGNMENT DONE AND MY COMPUTER CRASHED AND LOST EVERYTHING. THE ASSIGNMENT IS DUE BY SUNDAY AT ANYTIME. I KNOW PEOPLE DONT LIKE IT WHEN YOU ASK FOR SOMEONE TO DO IT FOR THEM BUT IM NOT ASKING THAT I JUST …  |
The End.