Software Development Forum

Hello again everyone. We have completed a project after a few months and a lot of help but for some reason we are still having problems. The project compiles properly without errors but the results are incorrect. Basically we are using 4 sorting algorithms in order to calculate how much …

I have a project where I must use pointers to do a search on some accounts I've built up into a vector. My problem is whenever I try to pass the vector to a pointer I get an error. I've tried many different things but to no avail. Maybe one …

I have a program due and I cannot figure it out! I have read about 30 tutorials to no avail! I need to have data read into python from an input file. The data is suppossed to be info from a pretend university that only has 10 students. Once I …

Private Sub connect_Click() Winsock.RemoteHost = ipadd Winsock.RemotePort = 10101 Winsock.connect End Sub I'm pertty sure the problem is on line two the ipadd if thats supposed to be ipadd or if its supposed ot have something else added.

I need a little assistance with finding the square roots of each number entered by the user in a array. I'll copy and paste what i have so far in my function, but i get an error when i try to run the program and it would say: sqrt was …

Hey guys, My task is to write a perl program that will read in names/passwords from a text file and from that create user accounts and all sorts of stuff. Now I have been able to do the "stuff" and the only part giving me jip is how to overcome …

Hi, all. Thie following is an additional step in the program I previously mentioned [and, by the way, thanks for the responses; most helpful!] The final part of this project is to create [I believe it is called a histogram] of the grade frequency distribution. The program asks for grades …

I need to insert a control-break in an array after every third line. Can someone help with this? Thanks so much. -R

I want to change cursor position in my C++ program. As you know, C++ does not have any command to do this. By I think, one of the h files can be used for this purpose. My Bloodshed compiler has lots of "*.h" files. But I don't know how to …

Hi Guys, Kindly help me Solve this. I have already worked on the classes that were inherited and attached after the question is the main part of my program. I have bolded the part in the question below where I need help. Thank you so much. The question is: Make …

ok, call me stupid, maybe i forgot my math: but if a C++ program spits out this: -bash-2.05b$ g++ markoff.cpp -bash-2.05b$ ./a.out x = 1 y = 1 z = 2 x = 1 y = 2 z = 5 x = 2 y = 5 z = 29 x …

I am a complete newbie in C++ programming. After a very basic introductory class I am now reading a little more advanced book and trying to teach myself and I am slowly learning. Anyway, the book mentions a method for calculating the cube root of a number but it doesn't …

Hello ladies and gents, I wanted to ask if this piece of code can be written differently then the way I did: [code] template <class V> void sequence3(V &a, V &b, V &c) { V w; while (a > b || b > c) { if (a > b){w = …

I apologize up front; I'm a VB Programmer trying to pick up C++. I have a very simple program that takes a string input from the user. How can I look at a specific character in that string? VB has the Left(), Right(), and Mid() Functions. Is there something similar …

i have a vector initialized without a size. vector<int> Vector1; i initialized the first 5 values via .push_back() and i am supposed to do this next: Externally initialize(using a single cin statement) the next four items to: 50 65 77 32760 This doesn't seem to work: cout << "Enter these …

This program is calculating and displaying the average of 3 groups of numbers in output file. Data is arranged in file so each group of numbers is preceded by number of data items in each group. It works for 2nd & 3rd group but calculation for 1st group is wrong. …

Hello, I am studying C++ at Uni and my coding is not very strong. More to the point I am having issues with my header taking in this string. The code works in a linear non object oriented code but as I am new to data abstraction I as mentioned …

Hello, I was hoping that someone could help me with this question. We received an extra credit queston which completely bombed on. That wasnt the problem, the problem was that I still cannot explain the questions below and since this was extra credit the professor would not give us the …

I got this assignment to do, but i cant so it, i have tried everything i know in C++ programming and its not working. Can someone help me please. Write a Graphical User Interface program that simulates the activities of a vending machine. The program should allow for full user …

Well I got the password code right, I think. I have a few problems 1) it wont close properly 2) Can someone point me in the right direction to find a tutorial that teach me how to only let the user have 34 tries before it close and also to …

So I need to write a program that requires getting data from an input file (first name, last name, Student ID, and 4 test grades) and create an outputfil with the first and last names and ID, and then the average of the grades and the final letter grade - …

How can I use "cin" to allow entry of an enum type in C++? My code is as follows: enum Cards {TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, JACK, QUEEN, KING, ACE}; Cards hand1 = ACE, hand2 = ACE; cout<<"Player#1 - Pick a card (2 - A): "; …

I want to check someone's ip address when they come onto my website, is there a way that I can do that using c# and asp.net?

Hi all, I have a C project consisting of five files as follows: main.c file1.c file1.h file2.c file2.h I have defined an array in file [B]file1.h[/B] as follows: [CODE]static struct prnc keys[MAXP];[/CODE] the array was populated in file [B]file1.c[/B] Now I need to use the contents of this array again …

Hey all, For sort of a final project, I want to build a program in Java (if it's possible) that works much like the GMail Notifier except I want to make it popup a notification if I receive a new email in my yahoo, hotmail, or google accounts. Does anybody …

hi there i have some python coding which i need to convert to java can ne1 help me please email me back if you can help then i will show you the coding much apprieciated or can ne1 give me some complted java code to look at

Hello ladies and gents, Ive got this example of a program that I tried out wich shows some special possibilities to use new. [code] #include <iostream> using namespace std; int main() { int a[100]= {0}; for (int i = 0; i < 100; ++i) a[i] = 100 * i; int …

Hello Everyone! how are you? fine i hope. How can i print just 5 records per Table row and the next 5 records on the next table row? Much thanks in advance! #!/perl/bin/perl print "Content-type:text/html\n\n"; open(INF,"data.txt") or dienice("Can't open data.txt: $! \n"); @grok = <INF>; close(INF); print <<EndHdr; <html><head><title>My Data</title></head> …

What's the difference between a set and a map? (As described below on cppreference) Set: The C++ Set is an associative container that contains a sorted set of unique objects. Map: C++ Maps are sorted associative containers that contain unique key/value pairs. I'm having trouble finding the distinction.

I've got to implement Prolog in C++ for an assignment. I'm very new to C++, it's a little daunting. Also, I have no idea of where to start. Can someone point me to some basic algorithm and/or some resources online?

Working on a problem which uses a main only to implement Selection Sort. You enter arbitrary amount of integers and when the program runs it spits out the integers in increasing order. So the output would be something like this: Enter Integers to sort: 3 > 1 > 8 > …

Does anyone know how to match a negative number? What I am doing is printing the lexemes with their token to an output file. But, the problem is negative numbers. It should print like this: INT -1 Instead, it prints like this: SUB - INT 1 The SUB - is …

Hi, I have two problems, been bugging me for a couple of days... I have a 32bit float array that has been calculated, I now need to convert it to 16bit int values to be scaled for use. I tried the code: h[N] = int (h[N]*(scale[N]) and that sort of …

Hi, I've been experimenting with STL on solaris with the 7.0 sun compiler. I am able to write programs using string, map, vector, list, etc. however, I am trying to use hash_map and can't get the most basic (ie hash_map<string,string> h; ) to compile. It appears that hash_map is not …

How do you use sound and graphics in pascal?

I am writing to console from several threads using printf(). The process is synchronized and it works fine. The problem is that sometimes some of threads freezes (never returns ) at WriteFile() function used to implement printf() and the really strange here is that it returns and everything continues when …

Hi, in part of some code i am using there is a message defined by: char message1[133]="Please Select Features"; And then its referenced as: feature_select=message1; And called as a perameter using: UF_UI_select_feature ( feature_select, NULL, &count, &feature_tags, &response) I was just wandering what the [133] part is. Is it just …

I have been given the task of writing a small shell script which does the following: It takes two arguments: the first argument is the name of the original file and the second argument is the new name for the file. If a user does not provide two arguments, a …

hi just wondering if anyone can help me out. i need to create a loop to display 50 roll of two dice?? i keep getting an infinate loop and i don't know how to limit it to 50.....

I am working on a login password. I want my front page to load and then the password form to appear. The user then types in userid and password - if correct the login form closes. I want the front page to remain visible behind the login form BUT - …

Hello, I want to know how to use xml and c#. Can someone give me and example of how to do this or link me to a good tutorial. Thanks in advance

I am trying to close this file so that it stops reading the array twice. i have placed it in different places but i does not seem to work, please look at my code and advise me on were to place the infile.close() Thanks in advance [code]#include <iostream> #include <fstream> …

:ehh: helloo... i have this renting application in which the user enters his name, phone , amount, date , payment to rent a flat ,, i have a table called rent which is related to this its fields are : name, telephone,amount, date, paid and there is one more field …

I kind of know the definition through studying Java.] Inheritance is like when a child class inherits some value, object, or function from a parent class, right? I need an example of how its done in C++

Okay, this is driving me insane... The compiler error I'm getting says I am trying to convert a void to an account? I don't see why it thinks I'm trying to do that... Maybe you guys can help me out. [CODE] void get_accounts(account a[], int n); int add_customer(account a[], int …

I need help. I keep getting a Bus Error when I run my program and I've narrowed down where it occurs to the following code fragment. px0c0 and px0c1 are type double pointers and count_x0c0[m] and countc0 are integers. Can anyone see why this code would be giving me a …

Does anyone know how to ignore the rest of a line in Perl? I am reading a file and printing out tokens to an output file. I want to ignore the rest of a line after a colon is found, which indicates a comment. That way it will not print …

I'm wanting the program to read a line out of file. I wish c++ had .eoln()! I get: test.cpp:10: no match for `std::ifstream& != char' operator obviously because I'm comparing the wrong data types. [QUOTE] #include <iostream> #include <fstream> using namespace std; int main () { ifstream infile("test_file.txt"); while(infile!='\n' && …

Can someone help me to make my program sort according to the average gallons used per car I keep geting 30 - 40 error when i try to compile it. Also my files do exist. [CODE]#include <fstream> #include <iostream> #include <iomanip> using namespace std; const int MAXCARS = 12; float …

hi, i have been asked to create a class, TestStudentContactDetails, which uses another classes method. the first class StudentContactDetails contains a method emailAddress(String RegNumber, String Course). This method takes the Course code supplied and opens a csv file stored at c:\UserFiles. It then searches the file for an entry corresponding …