49,757 Topics
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| | hey guyz!!! i'm just trying to check my code u all if it's correct. thankz! the problem is " ask a number (N). calculate and display the value of x, where x = (1*N)+(2*N)+(3*N)...(N*N); ex. if i input a number 5 the formula of x where: x = (1*N)+(2*N)+(3*N)+(4*N)+(5*N); this … |
| | Hi, i'm trying to implement a node class to be used with a linked list. When try to complile i get the following errors in the .cpp file: Node.cpp:26: error: syntax error before `::' token Node.cpp:31: error: syntax error before `*' token Node.cpp:36: error: syntax error before `*' token Everything … |
| | Hello, I need to convert manually string "6.812345678912345678912345678" to double (well, high-precision double i guess...). Below is my code, which only converts the first 9 digits. After that it's all messed up. I really need to convert this long string to the same long number. How do I do this? … |
| | Hi . i m new in c++ programming..plz help me in sorting out this problem..... HOW THE VALUE OF "j" VARIES IN FOLLOWING PROBLEMS ? Plz Explain... 1. int i=10,j; j= (i++) + (i++); cout<<j; 2. int i=10,j; j= (i++) + (++i); cout<<j; 3. int i=10,j; j= (++i) + (i++); …  |
| | hi, i recently heard about splay trees and i am searching for a splaying algorithm...,i ve found one but it isn't very easy to understand....so if anyone has to share an implementation followed by a short explanation it would be great! PS: i 've undestand the basic concepts like zig, … |
| | i know how to sort a few number but i dont know to sort alphabet. anybody can help me??? plez;-) |
| | will calculate and display the sum of all even even numbers from 2 to n, where n is a positive number inputted by the user..what will i do and what is the expression of that???  |
| | I want to compute closed surfaces with using the dxf file. I don't have much information about this file format. User will draw lines or arcs, than, first I will tell them that they draw a closed surface, second I try to compute area of closed surface. any idea or … |
| | Hi folks. I need a way to display a counter in seconds until it reaches a user defined limit. I have tried but unfortunately not having much luck. [code] #include <cstdlib> #include <iostream> #include <ctime> // time header using namespace std; int main() { cout << "Please enter seconds: ";//prompt … |
| | Hello I have a need to output a large array for a CNC machine I have built. The attached code includes comments which explains my problem. Thank you for your consideration. |
| | For those of you who also code in JAVA*: Does anyone know of anything in C++ that is at all like paintComponent or the Graphics class? HALP! *ROFLwaffles to those who do |
 | For those of you who haven't heard of or used AutoHotKey check it out here [URL="http://www.autohotkey.com/"]http://www.autohotkey.com[/URL] for the rest of you I made a really simple script for Dev-C++ to add some speed to it. (I had more in the script but they were things only I would remember and … |
| | hey guys, i got an assingment due and i was wondering if you could please help me to debug this program. 5 files, ass1.h ass1.cpp main.cpp Makefile.txt (needs to be renamed to makefile for it to be used properly) ass1.txt(needs to be renamed ass1.dat to be used[its the database for … |
| | I'm new to C++ builder learning C++ builder,i don't know how to install components.I'm trying to use the text highlight & line count feature for the text editor i've created by following instructions in help file of borland.I downlaoded the component from [url]http://delphisci.sourceforge.net/[/url] but there was no installation instruction.i tried … |
| | I am having difficulty in using array to read large unsigned integer and write them and calculate their sum.Also i am going to implement the following code to check digit and character. [code] for (;;) { ch = cin.get(); if (!isdigit(ch)) break; cout << ch; } and for (;;) { …  |
 | Hello, i have been reading the chapter in the book about classes and i have learned everything about them the only question i have now is that wut do you use classes for?  |
| | Hello everyone I'm trying to write a program in native c++ code that will do this: When drawing in MS Paint and I press the P key on the keyboard, the Pencil tool will become the current tool. I really want to stay away from installing drivers, injecting dlls, reverse … |
| | Hi, as newbie in c, i have some problems with my code. I don't know how to read data from into array, and second, how i can compare data in array? [code= c ] #include <stdio.h> #include <conio.h> #include <string.h> int main (void){ int i; char line [240], *pos; char … |
| | This is kind of a noobish question but is there a way to turn an .exe file into a source code that you can edit and if there is how. |
| | Hey guys, I "understand" pointers. But I do not understand how I could actually put them to use. If you could give me a few example programs of how they would be used, then I could try to make the programs. I don't want the code, just the logic behind … |
| | Hello, I recently finished a tutorial on C++ and I have written a small program. Could you please take a look at my code and give me feedback on it? It's a program that will ask you for two values and then add them together. Please be nice, since it's … |
| | hey all, I'm new to this forum, and really start to like it :). Here we go. I have some trouble helping a "tute" of mine (I normally give physics tuitions) with one of his assginments on C++. As I did C++ years ago, I was feeling confident with it. … |
| | Ok so after quite awhile i finally picked up from where i stopped last. Which was the "2nd" page of the book "sams teach your self c++" lol! (im not much of a reader) But today i intend to start work properly and continue learning c++, so i would just … |
| | Hi all, I am using Borland C++ to develope one application. I need to call a stored procedure (that will take 2 parameters and will return a string) from my C++ application I am using mssql2005 express as database . How can use TStoredProc/TADOStoredProc/TSqlStoredProc ??? which one is useful here … |
| | Hello i just started c++, and i have a small problem with compiling. The book im reading just told me to compile the following but line 4 has an error/warning.(im using devc++) [code]#include <iostream> int Add (int x, int y) { cout<< "In Add(), received " << x<< "an d" … |
| | i am totally new to the c++ arena. i have been tasked with writing a program that asks for a number, asks for that many names, in the form, "last, first," sorts the names by last name, but displays them in the form, "first, last," then offers the user the … |
| | I was just trying to implement one of the design pattern Strategy of the gang of four . In my application one of my strategies has to operate on the data (and the data is huge , not 1 not 2 but huge) , now as the GoF says that …  |
| | So I'm trying to count the number of lines in a text file. I think I got it working, but it seems I can't do further correct processing on the text file, maybe because getline extracts the data? The operations I want to perform include inputting values read from the … |
| | Can someone plus lead me in the right direction with this problem? 1.) Write a function to add an item to the list, given a name and a phone number as arguments. Don't forget to allocate memory for each of the data items in the node; return a success or … |
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