49,757 Topics
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| | Hi everyone, I wrote a dll which is export char* like; [CODE] extern "C" __declspec(dllexport) char* Test(void) { char* cts = "hi"; return cts; } [/CODE] and import the dll on vb.net like; [CODE] Declare Ansi Function Test Lib "[Path]" Alias "Test" () As String [/CODE] and call like; [CODE] … |
| | Hi I use visual studio to make my programs. I know that to copy the output of the program, you have to right click, mark, highlight, and then copy. But almost all the time when I try to paste nothing happens, and by that time the output box disappreared so … |
| | I am writing a program and stuck on a part of my coding. This part of the instructions say the following... 11 - User can only withdrawl $300 amount per day I guess my problem is I am not sure how to set this up where it is linked to … |
| | Helo all... i am working on LIVE555,on RTSPClient and RTSPserver......i need little help in compiling OpenRTSP using visual Studio..i tried compiling but there 6 link errors in it..... So anyone who worked on it please do assist me.....I even tried in LIVE555 Forums also/....There's nothing much help from that forums....and … |
| | I've finally got my game scrolling sideways, but... 1) There's a really bad flicker to the whole screen. 2) Also, how do I get the background to loop? 3) The whole thing seems to run quite a bit slower than before I added the background. Why is that? How do … |
| | This is probably a simple fix but I can't quite figure it out. How can I find an escaped character in in a string? E.g. string str = "abcde\tfghi"; [CODE] while (str [counter] != '\t') { counter++; } [/CODE]  |
| | This program will calculate commision based on the value of sales made... im getting three errors so far... 1>h:\cs110\assignment6\assignment6.cpp(22) : warning C4700: uninitialized local variable 'third' used 1>h:\cs110\assignment6\assignment6.cpp(22) : warning C4700: uninitialized local variable 'second' used 1>h:\cs110\assignment6\assignment6.cpp(22) : warning C4700: uninitialized local variable 'first' used. I was reading some books … |
| | Design and implement an algorithm to solve this problem; your solution should use user – defined functions. Do not access global variables. Use parameters! (Suggestions: int function to determine lowest of two numbers, void function to print the message) Use function prototypes; the source code for functions should follow the …  |
| | Hello, First of all, excuse my English =) Warning: wall of text\code. I must say I have some experience in Java and long forgotten C++, so right now I have some problems implementing the Huffman coding. The algorithm goes like this: I create an array of 255 elements to represent … |
| | I would like the output of the following program to show the first integer without decimals and the rest will have 4 places..the way it is written now all outputs show as 1.0000 (or something similar) code is as follows [CODE]//Square root and cube root calculator #include <iostream> #include <iomanip> … |
| | Hi all, I am just getting into the world of OOP and I'm not totally sure in what situations it's better to use objects and when it's simpler to just revert to arrays. For example, I am currently re-writing a bit of scientific code written in C that simulates the … |
| | Hello everyone, I am a student in a beginners c++ class and I need some help on an assignment I need to write a code that will "Write a program that reads in two positive integers that are 15 digits in length and then outputs the addition and subtraction of … |
| | I really want to write this program in c without c++ coding. Please help me convert my code to c only. Here is sample input from a text file: alex busted marries marries test teste tested smile smiled works worked indexed hello kkked holddd smexexed whitespaced and Here is output …  |
| | My text file contents are in the form "00101010111101101011". I want to read it from the file and send each digit to an array,unfortunately i'm only able to use char while reading a file.How do i send each digit onto an array?a [code] #include <iostream> #include <iomanip> #include <fstream> #include … |
| | Hi, i'm newish to this website, (i've googled a lot for answers to my questions and often came accross very useful answers to my problems on this website) and i'm also in the middle of learning C++. As i learn new things i decide to make little programs that actually … |
| | Hello, I have an assignment for class that I have been working on and am nearly there. First of all, here is the description of the assignment: "Employee and ProductionWorker Classes Design a class named Employee. The class should keep the following information in member variables: Employee name Employee number … |
| | Hey everyone! this is my first post at this forum:P Please go through and answer what question you can, i'm trying to make a software program which will auto type for me when ever i have a certain key down. something like this... (please not that i am uterly new … |
 | Is there a way to use toUpper with a string, or do you have to loop it through an array of chars? Ive been googling everywhere, but havent really found any examples on how to properly use it. Thanks  |
| | Hi all I have a heap corruption problem in getting STL containers data through OCCI methods . For instance if i do an assignment of this type [code] while(rs->next() ) { SRecord r; '' struct object r.PDM_APPLICATION_NO= rs->getString(1); r.PDM_FIRST_NAME=rs->getString(2);; //Error Heap Corruption r.PDM_LAST_NAME= rs->getString(3); r.PDM_F_FIRST_NAME= rs->getString(4); }[/code] I use Visual … |
| | I am trying to write a program to add big numbers using char data. I need help getting this completed. [CODE] char k; int num1[26], num2[26], sum[26]; ifstream inData; inData.open("bignums.dat"); inData.get(k);[/CODE] I need to read in the first number: [CODE=text]7777777777[/CODE] I need to right justify the first number to the …  |
| | Hello .. I 'm doing sha1 program. I don't know why this source result show below errors. sha3.cpp:11: error: invalid conversion from ‘unsigned char*’ to ‘const char*’ sha3.cpp:11: error: initializing argument 1 of ‘size_t strlen(const char*)’ Thanks you. [CODE] #include <stdio.h> #include <string.h> #include <openssl/sha.h> int main() { int i; …  |
| | I just self-taught myself C++. I've got all the basics down, but I'm still working out some of the nuances. Basically, I'm passing an array into a function, and I need the function to be able to pass the length of the array to an integer. I'm using [CODE]int len … |
| | Hi, there, I have written a program here which shows plane to book a seat, and enter flight info(this part works fine)... but having some small problem here I am using gotoxy and it gives me an error, it says that gotoxy undeclared. Could anyone help me with this please, … |
| | hi Im trying to make this code go though every possible string combination at said string length though alpha characters using random number generator to do so.The goal is to make this program tell me how many combinations there are at said circumstances set by user. [CODE] #include <iostream> #include … |
| | The ascii code of 'á' is 160, but [CODE]int('á'); [/CODE] gives -31 Yes I know, I can use the formula 129+(int)fabs(int(mychar)); but are there any other solution? i tried to use [CODE]unsigned int('á')[/CODE] but its also ü31 which is a puzzle for me!? |
| | Here is a smaller program I made but the concept is much the same, what I understand( which is obviously not the case ) with this program is: The function returnFunc is called 3 times in main Each time is is called it returns a value from the array Is … |
| | I have a 3x3 matrix with values: (0,0)=3 (1,1)=4 (2,0)=2.4 the rest of the values are zero and the code: [CODE]#include <iostream> using namespace std; class sMatrix { public: sMatrix(); sMatrix(int,int); int getR(); int getC(); bool rValid(int); bool cValid(int); void setEl(int,int,double); double getEl(int i,int j); void print(); private: int nr, … |
 | I am having trouble overloading my function JustSold() with the array for CartSales[x].Cart . I can't seem to get the array to properly import....any ideas? [code] #include <iostream> #include <fstream> using namespace std; class HotDogStand { public: void JustSold(int DogCounter, int numCarts, [COLOR="Red"]int HotDogStand[][/COLOR]); int Cart; int IdNumber; int SalesToday; … |
| | Hi all. Can you please give me some ideas for software engineering project. This is not my final year project. Just a project for this course. There will be no implementation of the project. It only involves Documentation. So please help me. Thanks in advance |
| | Any one have idea about how to convert Visual C++ application to VB.net Or how to include VC++ application into the vb.net application so that function of VC++ application can use in to the VB.Net application. Thank you.  |
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