49,766 Topics
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| | VC++ access MySQL query problem Hi guys, Could you help me out with ------------ string str1 res=stmt->executeQuery("select * from test2 where english='str1'"); ------------ anyone can tell me where is wrong with this query code?below is the error msg I got: 1>.\temp6.cpp(48) : error C2146: syntax error : missing ')' before … |
 | Hi: I posted yesterday about setting my loop to get random number between the values I desire. Now I got a bit of misunderstanding with my arrays. In the program now I am trying to calculate the average sum of the amount of numbers I get each series. My problem …  |
| | [CODE][/CODE]part 1 find the most efficient way of making change for any amount of money up to $200.00. the most efficient way means the fewer pieces of currency. the following are the values of monies to use. $ 100.00 $1.00 $ 50.00 $.50 $20.00 $.25 $10.00 $.10 $5.00 $.05 $2.00 … |
| | Hi guys, Can I enable/disable an #ifdef based on a specific condition? Let's say that I've a loop [CODE]#define MYCONDITION 1 // code here for (int i=0; i<5; ++i) { printf("Hello #%d", i); #if MYCONDITION printf("I wanna be reached only if i == 3, is that possible?"); #endif }[/CODE] Is … |
| | Hey! I just started learning C++ last month, so I am not that good yet. I am trying to write functions to compute the total surface area, lateral surface area, and volume of a right-circular cylinder. So I wrote the code, and it makes perfect sense to me. When I … |
| | Hi, I have a question on writing a c++ program can anyone give me a hand?  |
| | this code is not working as per its expected output.please tell me the errors and how to rectify them. [CODE] #include<iostream.h> #include<stdlib.h> #include<conio.h> int* getwaitingtime(int* proc,int* arr,int* bur,int noofproc) { int i,j,c[10],t,p,m,s[10],out[10],f,l; int *wait; for(i=0;i<noofproc;i++) { if((arr[0]!=0)||(arr[i]>arr[i+1])||(arr[i]==arr[i+1])||(bur[i]<0)||(bur[i]==0)||(bur[i]>10)) { return NULL; } } for(i=0;i<noofproc;i++) { c[i]=arr[i]+bur[i]; } for(i=1;i<noofproc;i++) { for(j=1;j<noofproc;j++) { … |
 | My C++ course hasn't covered a topic yet, but I'm expected to solve a few problems with this material. I've got some working code I just don't fully understand it. Can someone help me, please? [CODE] void f(int** a) //What is this ** business? (1) { cout << **a; //prints …  |
| | hello ! I`m trying to use sqlite database with c++, but something isnt working right... The problem I`m dealing here is that i cant insert other datas into the table i`ve created except NULL, because i get following error message: Error in select statement : INSERT INTO a (a,b,c,d) VALUES … |
 | The question is in the title. I am trying to make an image that includes this character... *typo in title. It should say 'do', not 'to'.* |
| | how do i get int in fstream? i am in need to change my char to int. i am not allowed to use anything above and including fuctions. this includes sstream. is there any way for the program to read "3" in the program as an interger? |
| | i need to know how many times the while loop is done. while (myin) { myin >> name; cout << name ; myin >> num1 >> num2 >> num3; cout << " " << fixed << setprecision(0)<< num1 << " "<< num2 << " "<< num3 ; average = (num1 … |
| | what i have so far - [code]void do_handleclient(int connsock,struct sockaddr_in *client_addr) { // Communicating with our new friend. string buffer, execmd, filename; int b, n, nstr, str; char buf[25000]; char *cbuff=(char*)buf.c_str(); while((n=recv(connsock,buf,25000-1,0))!=0) //receiving request. buffer[n]=0; while(buffer[nstr]!=' ') { //pulling GET or POST command out of request. execmd[nstr]=buffer[nstr]; nstr++; } while(buffer[nstr]!='\r' … |
| | So I have a coin flipping program that ouputs all results to a txt file. I was wondering how would i search the results so that I could pick out things like how many times a specific result was repeated in a row. For example if the results were Heads …  |
| | CSCI 1170: Open Lab Assignment #5 Program due: Thursday, Oct 29, 2009 at midnight as the day turns to Friday Oct 30, 2009. Professor: c8296800 code: ola5 Purpose of this assignment: The purpose of this assignment is to understand the while loop programming construct. This assignment will let you 1. … |
| | Hello everyone, I'm new here and I'm looking for some help because I'm a beginner at c++, and I'm learning right now, I got a problem that i don't know how to solve, Here is the problem: Suppose we have 10 lines in a file and 4 input values in … |
| | Error 1 error LNK2019: unresolved external symbol "public: __thiscall vector::my_vector<int>::~my_vector<int>(void)" (??1?$my_vector@H@vector@@QAE@XZ) referenced in function _main test.obj Error 2 error LNK2019: unresolved external symbol "public: __thiscall vector::my_vector<int>::my_vector<int>(void)" (??0?$my_vector@H@vector@@QAE@XZ) referenced in function _main test.obj Error 3 fatal error LNK1120: 2 unresolved externals C:\Users\...\Documents\Visual Studio 2008\Projects\Iterator and Generic Vector Container\Debug\Iterator and Generic Vector …  |
 | Hi, I have posted in a previous thread about this problem, but this seems not related enough to post in it. My problem is with this code: [code]//This is VERY simple, will just graph a y=mx+b type formula into 2 arrays. #include <iostream> using namespace std; int main() { //Counters … |
| | i got to do this for my class and i am a total noob! i don't know what to do from this point on. first, i need to use fstream to do this. 3 Tracy 80 91 67 Dana 0 66 44 Scott 50 41 64 Jamie 82 90 87 … |
| | i have this Tracy 80 91 67 and it is read from a file, making it fstream. i want the computer to reconize the numbers and add them and divide them, excluding the name. how do i do it? i can't use fuction so please make it easy. |
| | Alright, I have an assignment in which I have to use ANSI Escape Sequences to colorize output on the console. So "\033[0;31m" colorizes text after it to be red for example. When I run the following: [code]cout << "\033[0;31mhello \033[0;37mworld";[/code] It works as it is supposed to, with "hello" printing … |
| | Hi, I am trying to understand the concept of clone with respect to making a deep copy of an object. The class Bmapfile is an abstract class in which other subclasses will inherit from. I am not sure what to put into the doObjCopy function in Class BaseClass. I want … |
| | Hi, I am very new to C++ programming. I need to do some work urgenty..... I have a video file with some conversation going on... I need to extract the speech transcript (possibly in a text file) Please help me seniors and give me some ideas... |
 | So I would like to make a function which would add elements in container in sorted manner. Let's say we have a struct with two integer. I randomly initialize them and the add it to deque. And now what I want is that my function would add them in a … |
| | i have a project for my programming class where we have to create a binary search tree and then when the program exits we need to save the tree to a text file and then restore it when the program opens. the basic functions were given to us, but the … |
| | I'm trying to figure out how to even start a program that removes suffixes like if i were to enter programs, are, not, limited, to, drawing, composition, it would output.... program are not limit to draw composi |
| | Hi, My knowledge of c++ is limited to basic syntax used in basic programming assignment while I have some years of software development experience (particularly web application) using java. I have not created any thing big in c++ ever. Now coming back to c++ at present, I am confused how … |
| | Hi, hope someone can help with an issue I'm having. Basically, I've got an input file containing, amongst other things, an int on each line representing a time stamp in the form of hhmmss. I needed to make a comparison from line to line to make sure that no more … |
| | I am trying to do a function that is a textBox contains 2 dots (.) then the last dot(.) will be deleted, so it wont be possible to write 2 dots(.) in this textbox. When I write the second dot in this textBox, then also the first is deleted, for …  |
| | some of the characteristics of a book are title,author,publiser,ISBN,price and year of publication.design a class booktype . 1) each object of the class booktype can hold the following information about a book:title upto four authors,publisher,ISBN,price and number copies in stock. To keep track of the number of authors ,add another … |
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