Software Development Forum

[CODE]#include<iostream.h> class invent2 class invent1 { int code; int items; float price; public: invent1(int a,int b,float c) { code=a;items=b;price=c; } void putdata() { cout<<"code:"<<code<<"\n"; cout<<"items:"<<items<<"\n"; cout<<"value:"<<price<<"\n"; } int getcode(){ return code; } int getitems() { return items; } float getprice() { return price; } operator float(){ return(items * code); } …

I am trying to write a program that will work like a hangman game. I have a loop that assigns the characters to their spot in the string and is supposed to end if the newly assigned string equals the original word. If the letter guessed is correct, nothing should …

Hi. Im working on a text-based "game" that uses strings to generate maps. So I need to split these strings into bits that i can work with, but somehow the .split method kills the white space in my string. How can I get around this? Of course I can force …

If I have 2 synchronized methods and 1 calls the other, what exactly happens? If those 2 synchronized methods are in a class, and 2 of those classes are created, each of them calling one of their synchronized methods, what would happen? If those 2 classes extended Thread and were …

I have to write a program that accepts a pointer to a c-string as its argument. The function should return the charater that appears most frequently in the string along with the number of times it appears. for example, if i input "hello dolly" the output would be: "l sppears …

here's another one that i've been struggling with. I need to create a phone number that can not have an 8 or a 9 in the area code. I thought it would be smart to simply generate the area code one number at a time .............. num1 = generator.nextInt(7)+ 1; …

Hi frens, I couldn't compile this solution code given by my university on visual studio.Visual studio works fine with other C++ files. Here are the question and solution code pasted below.I wonder if anybody could try to compile the solution code on thier machine and see if they can run …

Hi all. Please edit/add/help me make this blackjack program work. Thank you. class Card: def __init__(self, suit, rank): self.rank = rank self.suit = suit if self.rank == 1: self.rank = "Ace" self.value = 11 elif self.rank == 11: self.rank = "Jack" self.value = 10 elif self.rank == 12: self.rank = …

I have to create a program that handles random birthdays between 2 and 50 students (depending on what the user inputs), and calculates the random birthday (1 to 365) and then determines whether or not students share the sam birthday, and how many students share it. I'm stuck on how …

I have opened an image using the PhotoImage method of ImageTk How do I close the image. This is the scenario is I am using it in. I have 2 buttons, one each to open an image from disk & image from url. When I open either of them the …

I've read the documentation, but I still can't creat my own packages. How should the __init__.py look like? Cause i've tried to let it blank and some stuff like [CODE] my_package/ __init.py__ sub_pack/ __init.py__ test.py [/CODE] but it pointed syntax error If I don't write anything on it, no error …

Hello guys. I am working on the code below. I am trying to create my own shell. The code compiles without errors, but when I execute it though it doesn't output anything. I have tried it with /bin/ls as input and it doesn't work. Any suggestions? [code=c]#include <stdio.h> #include <stdlib.h> …

I am writing a game program for a dice game. You want to get 100 points. You roll until you decide to hold, and the sum of your rolls is added to your total score. If you roll a 1 though, your turn is over and you get 0 points …

import random class Card: def __init__(self, suit, rank): self.rank = rank self.suit = suit if self.rank == 1: self.rank = "Ace" self.value = 11 elif self.rank == 11: self.rank = "Jack" self.value = 10 elif self.rank == 12: self.rank = "Queen" self.value = 10 elif self.rank == 13: self.rank = …

How would I execute a command and have it's output returned as a list or string? For example (in Linux): [CODE]os.system("iwconfig")[/CODE] prints a list of wireless devices to stdout. How can I make Python see those results as a list or string so I can search for certain devices (like …

Appretiate some coursework help related to classes. All im trying to do is compare the elements of two objects [code] if(asteroid1.getxx == asteroid2.getxx && asteroid1.getyy == asteroid2.getyy) { cout<<endl; cout<<"Collision"<<endl; } [/code] All i want to be able to do, is to compare the x and y co-ordinates of my …

Hi, can anyone look at this and see why it doesn't work? When I test and enter a numeric value in the text box it still gives the error I have placed in the code, same if I put in a letter etc. Thanks!! :) [CODE]Private Sub valueDouble(ByVal sender As …

Hi, I have used a lot of makefiles to compile programs. The issue is, I don't know how to produce make file. Is it another "language" I have to learn or some automatic issue? Also what is short yet clea tutorial on that? Thanks

Hello everybody, I'm trying to get the user name using GetUserName() API function, it was sucessful in the console project however in the Visual C++ project it gives me this error: [CODE] 1>MyProgram.obj : error LNK2028: unresolved token (0A00000F) "extern "C" int __stdcall GetUserNameA(char *,unsigned long *)" (?GetUserNameA@@$$J18YGHPADPAK@Z) referenced in …

So I'm working on a quiz game application, and one of the things I have to do is use StreamReader to read questions from a text file of the format [quote]Question Answer1 ###Answer 2 (correct answer denoted by ###) Answer3 Answer4 Question2 Answer1 Answer2 ###Answer3 Answer4[/quote] and so on. I …

hey!i was tryinn to write this complex number addition and i dunno where this garbage value it is pickin from :-/.... m gettin mad over this because first time such a simple program has got me all over :icon_mad:.... so here's the code: # include <iostream> using namespace std; # …

hi this is the corotuıne example writen in def [CODE]namelst=['Charles Darwin (1809-82)', "Darwin's principal works, The Origin of Species (1859)", 'and The Descent of Man (1871) marked a new epoch in our', 'understanding of our world and ourselves. His ideas', "were shaped by the Beagle's voyage around the world in", …

Has anyone used this code to calculate quantiles? The code defines the function 'quantile'. If one runs the code and names the script file 'quanitle.py' and puts it in the same directory as another code file calling the function, why is the function not accessed???? Here's the copy-and-paste script for …

Hi, does any of you have any idea why the self.status variable is not rewritten? When I run the script below, although it connects to the ip and port mentioned, and receives a message, the self.status is still "down" the otuput is : 192.168.0.1 down it should be: 192.168.0.1 'message …

Yet another date time related sql statement i need help with, oh how I loathe them. I need to find the records between now and a week ahead. I have this so far [CODE] Dim con As New OleDb.OleDbConnection Dim OleDBCon As System.Data.OleDb.OleDbConnection Dim ds As New DataSet Dim da …

I really don't see what is wrong =(. First I download via curl a file, then I want to compare it to a local file there are 15 lines in dwnext.ded and there are 14 lines in extlib.ded I want to store in append those lines that have a string …

Hey all I'm having loads of problems trying to update my database with a dataset, I have been looking around forums and posts and trying all sorts of work around's, as far as I can assume, I will need to manually create (insert, update) function querys (even though as far …

I Use visual Basic 8.0 and Mysql 5.0 I have one Table1: [COLOR="Red"]Table1[/COLOR]: RecordID , Integer = primary key auto_increment NOT NULL Articlenr , Integer Articlename, Char(20) Table1: has two records: RecordID, Articlenr ,Articlename 1 , 1000, Hamer 2 , 2000, saw I want to use Datagridview to update Mysql …

Hi, I recently bought a book-The Complete Reference C++ by Herbert Schildt. The first part explains about the similarities about C++ and C. The syntax used is different from the one my lecturer is teaching. eg: cout<< is replaced by printf cin>> is replaced by scanf I would like to …

Is this possible? Any tutorial if possible? I want to make a program to do mass conversion of my Icons without loosing resolution

Hello this is for my assignment for college. I just need help on how to properly declare ofstream/ifstream globally to get my program to work the proper way. Yes I know I can just declare it in Main() and use pass by reference. ( Did that on the first project …

How to add 1/1+ 1/2+1/3...+1/9+1/10 . I tried but I am getting answer in negative number.

Hello guys! I'm facing a problem with IO using files. Here is the simple code that's kepping me awake: [code]Files::Files() { numbers.open("textfile.txt"); if ( numbers.good() ) { cout << "Object from Files class ok!" << endl; } else { cout << "Object from Files class NOT ok!" << endl; } …

Hi everyone, I am working on a window that will calculate an average grade from 3 grades typed in by user then display it's appropriate grade letter. This is what I have so far and well it isn't working. Can anyone point me into the right direction as to what …

I wrote a program to compare two text files character by character and its not working probably an easy thing im just not seeing. [code=c++] #include <iostream> #include <fstream> #include <string> using namespace std; int main(int argc, char *argv[]){ string s1; string s2; char c1, c2; if(argc !=3) { // …

Hey guys Ive been working on this problem for standard deviation, and so far ive got it all right accept my declaration in this module, was wondering if anyone can help me see whats wrong with my formula or the decelerations i have made Here is the code for my …

I'm new at Python coding and in DaniWeb. Really nice forum :icon_cheesygrin: Need some help w/ the following code: the content of saldo.txt is the following [CODE]1000[/CODE] The code I was talkin' about: [CODE] # [...] f = open('C:/saldo.txt') print f saldo = f.readline() f.close() if saldo <= 100: a …

Hello! So , I got a weird problem.In my code the value of the char N[cn] is ignored when I compare it to a constant value. Here's the code: Code: [code] for ( i = 1; i <= 220; i++ ){ // Generate Numbers itoa (i,Number, (V+1)); sscanf(Number, "%d", &ii); …

Sorry, I figured it out.

I was wondering whether anyone could tell em whats wrong with this code. Its trying to get the records where the theorydates (stored in a database as shorttime) are before 2 years ago and return the records in a datagrid but it doesnt. [CODE] Private Sub ExpiredTheoryTest_Load(ByVal sender As System.Object, …

Hey, this is my first java program. I am trying to print my original list of ages, but I can not figure it out. Please help! I have part b and part c already done. Any help is appreciated a) print original list of ages b) number of occurrences of …

Hey, i am trying to convert a 2D array to a 1D array and also the reverse. Not sure if i am doing it right so does anyone know how it can be done. below is the code i have for 2D to 1D but now how do i do …

Hi all, I have been looking for single function to split strings and seems to me either is not available or I miss it. So I please, help me to know if it is available and if yes where can I get it. Thanks

Hi All, Today I came across a peculiar piece of code. [code] int main(int argc, char* argv[]) { printf("%lf\n",(0.99-0.90-0.09)); } [/code] According to me the output for this code should be 0, but to my surprise when I ran this code the answer that I got was -0.000. I cannot …

Incomplete dice game function, dunno why does'nt works... If you're not using windows, change the dir. "C:/" [CODE] def bet(Bet): try: f = open('C:/money.txt') print f money = f.readline() f.close() print ('You have', money, 'Dollars. Wanna play dice(y/n)?') v = raw_input() if v == 'y': # here i'm printing those …

Hello. I'm trying to write a program that will convert a user input infix expression into its postfix form. My current code is allowing the user to input a string, but it does nothing with the string. I'm fairly new to JAVA, thus I think I'm making a simple mistake …

Hi folks Can anyone explain to me why this is not working please? I am trying to delete the first 52 lines of a text file, then skip deleting the next line, then deleting the next 100 lines, then skipping the next line and repeating the process until the file …

Hello, I am a new member to this forum. I have some announcements, I will continue to read some more. I need to create a program were the user inputs a number, program displays the cube root for that number. The code I got thusfar is: [CODE][COLOR=#0000ff] #include[/COLOR][COLOR=#000000] [/COLOR][COLOR=#800000]<stdio.h> [/COLOR][COLOR=#0000ff]#include[/COLOR][COLOR=#000000] …

Hi, I'm trying to create a pretty basic fancy string output, [CODE] #include <iostream> #include <cstring> #include <stdlib.h> using namespace std; int main() { char output[] = "Hello there world"; int len = strlen(output); for (int i = 0; i < len; i++) { cout << output[i]; system("sleep 0.1"); } …

Hello, I'm trying to make my code work with -Wall -Werror flags but I get the above error (error: array subscript has type char). Here is the code, which works if these flags are not set. The code is meant to check whether the first character from text is blank …