Software Development Forum

Hello! I had a question about appending data in to a file. My program flows in the following way-- [CODE] // This function reads data from the file parse_input_data_for_one_algo(some parameters) { FILE *f = fopen (filename, "rw+"); while ( fgets (in_line, 100, f) != NULL ) { //read values } …

I'm trying to design a program that will input ages of 50 active duty Navy personnel and then finds the average age of current active duty Navy members. Here is my current pseudocode, could anyone tell me if there are errors? [code=text] Declare age[50] as integer Declare Sum, Average as …

I officially have the worst C professor in the world. The guy hasn't answered my email in weeks and I don't have a class meeting before this assignment is due, so I have come here for some help. If anyone could point me in the right direction any part of …

I am trying to make a division and with the answer I want to separate the decimal and round it to two decimal points. After this, I want to assign the decimal part to another function. Thank You

I'm getting the error message "Error: expected initializer before 'sum' " from line 9 of my code when I try to compile my program. I can't seem to figure out why it would be throwing this error. Any help would be great. Thanks! [CODE] #include <iostream> using namespace std; struct …

I am trying to create a dictionary program, just for fun. I doubt I will ever get past twenty words. But this program has a problem. It always goes to the word, no matter what I type in, or press. Here is the source code: [code=c++] #include <iostream> using namespace …

Hi i have a question about inputting to char*. For instance,i have made a class "Name",and am passing my constructors in as follows [CODE] Name* n1 = new Name("Nelly the elephant"); [/CODE] [CODE]Name::Name(char* name){ this->name = name; }[/CODE] But i am confused as to how i would code my addName().Ideally …

this is my code: [CODE]import os,sys import random import webbrowser import time import subprocess as sp cls=os.system("cls") title=os.system('title Hit any key to start searhing!') while True: cls print "" title raw_input() getRandEntry() def getRandEntry(): theFile = open("wordlist.txt","r") wordList = theFile.readlines() theRandoms = [] theRandoms.append(random.choice(wordList)) * 4 startLink(theRandoms) return theRandoms def …

Hi, I'm trying to get a list of the subjects that I'm getting from emails in gmail. I can get the subjects, but I can't seem to get them into a list. Here's my code so far: [CODE] #! usr/bin/env python import imaplib M=imaplib.IMAP4_SSL('imap.gmail.com', 993) M.login('user@gmail.com','password') M.select() typ, emails = …

Looks like I miss something, so I need your help, guys. [CODE] #include <iostream> using namespace std; int main() { int* ptr=new int(2); const int* constPtr=ptr; int** ptr2; //... do memory stuff for ptr2 const int** constPtr2=ptr2; typedef int** intPtr; const intPtr ptr3 = ptr2; return 0; } [/CODE] Questions: …

How to open c++ using the command prompt so that I can start programming in c++? Thanks!

Hello, Can anyone tell me how can i use Unicode Text from a file in a String or in a TextBox? Please Help Thanks

I have started to learn C++ and would like to know where to go from now. I have been getting helped by MattyRobot. I have done Hello World, Input, Sqaure of Numbers, Making decisions, Cmd games, Operators, Repeated question and started to make a window. I would like some help …

I want to code a little character fighting game in Pascal, I want to have 2 characters. They will attack each other, one will be computer and other will be the player. Each time its your turn a menu will come up saying what type of attack, I will have …

hi guys is there a way to refer to every 2nd symbol of a string? example: [CODE] mystring = 'bananasplit' [/CODE] i want to refer to every 2nd and every 3rd symbol of any string the user types in. in this case the 1st symbol is 'b', the 2nd is …

I am trying to read the contents from the specified file into a char array and then send that to the client. The problem i get is that getline() wont take a char array as a parameter and strcat() wont take a string as a parameter so I dont know …

I wrote a gui with qt and converted it into python.it came below. know I want to use the information witch user entered.for example the text boxes text or want decide around the buttons clicked or any thing else.at all how can i manage my qt forms data in my …

Hay, I am a noob, to the programing world, so i need a little help with lists. My problem is; I would like to create a list that contains the percent that each number of the first list is of sum of the firs list list. so like this. [CODE]first_list=[1,2,3,4,5] …

Hi, I am using the following code to open a file "Zl2WIN". [code] FileStream filestream2 = new FileStream("ZL2WIN", FileMode.Open); BinaryFormatter bf2 = new BinaryFormatter(); Person JohnDoe = new Person(); JohnDoe = (Person)bf2.Deserialize(filestream2); textBox7.Text = JohnDoe.CallSign; textBox8.Text = JohnDoe.Freq; textBox9.Text = JohnDoe.Time; textBox10.Text = JohnDoe.fName; textBox11.Text = JohnDoe.lName; textBox12.Text = JohnDoe.Country; …

Hi, i've been reading the other thread on serializing and use the following code to serialize the data in a textbox. [code] private void saveToolStripMenuItem_Click(object sender, EventArgs e) { BinaryFormatter binaryFormat = new BinaryFormatter(); Stream fstream = new FileStream("data.dat", FileMode.Create, FileAccess.Write, FileShare.None); binaryFormat.Serialize(fstream, (textBox1.Text)); fstream.Close(); } [/code] This successfully creates …

Hello everyone, I'm new here. I was working on a homework problem for a basic intro to C class and I'm getting a syntax error for an if statement and I have no idea why it's popping up. [code] #include <stdio.h> // Function Declarations int Sum (int x); float Average …

I usually feel pretty bad asking simple questions like this, but I've a deadline that's fast approaching. What, if anything, is wrong with this Update statement? [CODE]"Update ScoutInfo Set YearID = 20092010, GSUSAID = 1, FName = 'Jacob', LName = 'Lowe', DoB = '10/16/1989', Grade = '12', Level = 'Ambassador', …

I am trying to draw a hollow square and I am having a problem with nesting while loops within while loops. Is this possible? The quoted part of code is the trouble part. #include <iostream> using namespace std; int main(void) { int sides, t=2, h=0, b=0, s; cout<<"Size of square: …

I have an assignment to write an ATM program (it just needs to be basic) and I am getting one error when I try to compile: On line 28, I get an `expected unqualified-id before '{'`. I don't know that it's the only thing wrong with it, but any ideas …

/*This is an assignment for school. The main is part of the assignment. The program will work sometimes, sometimes it will not count the longest word if it is at the end of a sentence.*/ #include<iostream> using std::cout; using std::cin; // Prototype for the longest_word function that you need to …

Here is the piece of code I am having problems with. It is supposed to let me look up any items I put in the program previously. If the user did not enter a product earlier it should say "product not found". My problem is that it remembers the first …

I am totally lost when it comes to assembly language. My teacher just decided one day at the end of this semester to give us a programming assignment in assembly language and has barely taught us anything. I have to use five subroutines: main, add, subtract, multiply, divide and cannot …

Hi, This is basically a continuation of my last thread but under a diffrent topic. I want to be able to save basic information entered in my application as a .'help' file for example, when i open that file te information will be viewed in my application. Any ideas?

How do I store the value after the orginal value has been calculated. For example I minus 10 from 100, and I want 90 to be stored and in the next calculation another 10 wil be minued from 90 not the 100 which the original.

Hi, my code prints out the number of times a letter is typed. I can get it to print out the correct info, but when it deals with a white space, it will print out the list for every white space. how can I deal with this? [CODE] #include <iostream> …

I am creating a game like the text-based game Zorg using a console program. However, I don't know how to create a save file. How can I do this using the player's name to restore the variables I need?

I've been trying to read up about how tkinter (or more accurately Tk) works on windows AND linux. Here's what I've understood so far. Tk is a predefined set of widgets. That is stuff like text boxes, check boxes, drop down lists etc. Tkinter is just a way of translating …

Not sure what's wrong... I keep gettin this error and I don't know how to solve it... error C2065: 'AveXYZ' : undeclared identifier can someone help me please? //----------------------------------- #include "stdafx.h" #include <iostream> #include <cmath> using namespace std; //----------------------------------- float Display(int x, int y, int z); float ComputeAve(int x,int y,int …

[December] 5. Greetings and salutations! My first visit here a few weeks ago was very helpful and friendly thanks to dkalita. I’ve been moving forward on my own since then, but it appears I have run into another dilemma. I have a short program listed below. It compiles fine. The …

I have the following code: but for some reason it just won't work if I touch the i the query self works, cause if I just do .Append(str(i)) without the split strip it returns all the tables.. [code=python] def mysql_table(self): self.list_box_3.Set([]) try: self.cursor.execute("SHOW TABLES;") self.query = self.cursor.fetchall() except: self.log("error") for …

im making a tool for a gamer to help others but it has 3 forms 1 appear - 2 and 3 are hide they can change but how i do that when 1 form closes all close ? no only form 1 to close cuz if others close they are …

Hi, I am writing a program to store basic information such as name and address but i want to be able to store this information as a separate file. So for example i could fill out the Name as 'Mary' and then save this as an executable file which I …

Hi all Plz help me about media streaming.I want to play files that transmit from 'rtmp' link at my java application program.I have a program that play from 'http' link.Code is here [code] import java.awt.*; import java.awt.event.*; import java.io.*; import javax.swing.*; import javax.media.*; //import com.sun.media.protocol.rtsp.DataSource; import java.net.*; public class MediaPlayerTest …

I'm currently working on a project that simplifies and adds two user-defined fractions. The teacher specified that we use a function with the prototype: [code] Fraction addfractions(const Fraction& f1, const Fraction& f2) [/code] My problem is, I can't find any information on this Fraction data type that he is making …

I'm using [B]remove(inputPath.c_str());[/B] to remove a file after a while loop is completed, but the file remains. I'm using Vista and logged in as an administrator and the file is located in my home folder. Any help would be appreciated. Thanks in advance. [code=c] #include <cstdlib> #include <iostream> #include <fstream> …

I am using jGrasp IDE and i'm having trouble with the compiler i keep getting this error ----jGRASP exec: g++-3 -g C:\Users\Joe\Documents\Downloads\testfile.cpp ----jGRASP wedge2 error: command "g++-3" not found. ---- This command must be in the current working directory ---- or on the current PATH to use this function. ---- …

Hello all!! I've been working on this code for a while now and I'm still lost. Can anyone tell me what's wrong with this code please??? I know Line 44 is missing something but I'm not sure what goes there, here is the pseudocode as well: /* pseudocode for Binomial …

Well, I am making a tic-tac-toe game, and I need a way to make it so when the person enters their name it adds a ".txt" to the end of their name. For example: What is your name? Robert *ifstream infoout("Robert[COLOR="Red"].txt[/COLOR]");* The .txt highlighted in red is what I need …

What is the compound assignment operator overloading syntax? I cannot find on the web. How can for example overload operator+= ? I know that it has to be a member function but what has to be its return value? reference?

I'm working on a University assignment at the moment (a final assignment). I've normally been able to figure things out, but the teacher's thrown us a curve ball by making us use <fstream>. We've only had one lecture on it which covered [I]outputting[/I] a file, but nothing really handling taking …

I'm trying to finish up this little shift cipher I'm writing so I can encrypt the text files on my flash drive in case the drive becomes lost or stolen. It simply reads line by line from a plain text file, encrypts each line and outputs the lines to a …

I naturally included [CODE] #include <iostream> using namespace std;[/CODE] but the following overloading not works [CODE]friend ostream& operator<<(ostream& stream, mystruct& x); [/CODE] just if I included std:: [CODE]friend std::ostream& operator<<(std::ostream& stream, mystruct& x); [/CODE] Why it is necessary?

Im trying to set one variable equal to another but it says "No default member found for type 'Decimal'" what does that mean? Both the varuables are deciamls, one is a regular decimal that I declare in the sub and another is an array that I declare in the class. …

Hi. I decided to try out the Report Wizard, having only worked with Crystal Reports prior, and when I try to connect to an Access DB with the default OLE DB data provider, I get "Unspecified Error" in the Add Connection dialog upon "Test Connection" or trying to accept the …

Hi Everyone, I have a program built on VS 2005 which compiles fine, and when I execute the same, it runs as expected. But i see memory leaks being detected by tools like (Visual Leak Detector, Glow Code etc..), Below is the block of code for your reference. void Argument(const …