Software Development Forum

Hello , For the given snippet , why the result comes out to be 2..while it should be 3 , if the expression is interpreted from Left-Right or .75 for vice-versa. >>>3/2*2 2 >>>

Hi. I using this Thread "Serial port communication using C++ = "http://www.daniweb.com/forums/thread56329.html" and I change it for solved the some error in program. This is my source code: serial.h #[CODE]define FC_DTRDSR 0x01 #define FC_RTSCTS 0x02 #define FC_XONXOFF 0x04 #include <stdio.h> #include <time.h> #define VC_EXTRALEAN #include <string.h> #define ASCII_BEL 0x07 #define …

I have had no previous programming experience and want to start learning C++. T was hoping if you could reccomend a good book. P.S. I've been thinking about [I]C++ Primer Plus[/I].

Im trying to make a tax and tip calculator and whenever the tax comes up it goes 10 or more decimal places and im trying to restrict it to two. [code=java] public static void main(String[] args) { double cost, total, tip, taxtotal, tiptotal, subtotal, grandtotal; Scanner myScanner = new Scanner(System.in); …

i have a program that would display the productName,productPrice,productCode. each is a separate array. the program would prompt user to add,delete,or search a productName,productPrice,productCode. here's what i tried to do: [CODE]string productName[100]={"milk","beef"}; int productPrice[100]={10,11}; string productCode[100]={"a1","a2"}; int x,y,z; char choice; string search,name,price,code; cout<<"what do you want to do?"; <<"[S]earch."; <<"[A]dd."; …

I just got a program that does forward substitution. It is working fine but I would like to make it so the user can enter size of both 2D n x n array and a n x 1 array and then be able to enter the elements of the arrays. …

Here is my code [code].section .data values: .int 0 array_end: .equ ARRAY_SIZE, array_end - values array_fmt: .asciz " %d" usort_str: .asciz "unsorted array:" sort_str: .asciz "sorted array:" newline: .asciz "\n" maxvalue: .int 1000 format: .asciz "%d" message: .asciz "Please enter a maximum size for the array to be sorted." output: …

guys, how to check data if it is already in the database? i am using sql server.. thanks

Hi, I need to make "Keygen" that gen text not randomly with two text boxes, i need to use it for "username and "password" gen that i puted to gen. Please help with the code :)

Hi I am in need of some help, I want to be able to stream music from my webserver and list them on my application. I can get my program to download the files and play them but this uses a lot of bandwidth and has to download them before …

VB2008 I am trying to click a button on a website but its not working for some reason. I've used this code on another site but the html code doesnt look the same. Here's the HTML Code <input type="submit" onclick="return fnbValidateLogin()" value="Login" name="Login"> Here's what i Tried theElementCollection = WebBrowser1.Document.GetElementsByTagName("input") …

hi can anyone please help me with the codes in search stored procedure.. for example.. i have combobox which lists lastname, firstname, pt_id, (the choices if i want to search for a particular record) i forgot the code for search T.T

Hey everyone. I'm brand new to C++ and programming in general and this is my first post here. I've found lots of good info here and these forums helped me a lot last semester. I've got a problem here though. This is a small bit of code I had to …

Hey all. I'm in the process of learning Java in my spare time, and I've bumped into a problem that I'm having a hard time wrapping my head around. I'm writing a small game (currently little more than an animation) involving a handful of blocks moving on-screen. I've created a …

Hi guys, my program im working on ends when it shouldnt..... here's the main method. [code] public static void main(String[] args) { String answer; do { boolean whole=false; boolean whole2=false; Scanner sc = new Scanner(System.in); int one=0, two=0; do { try{ System.out.print("Enter the first whole number: "); one = sc.nextInt(); …

Hi, I have an assignment where i'm supposed to read from a Input File and save it to an output file. The final expression should only contain alphanumeric characters. The code that I have so far gives me both symbols and alphanumeric characters. I was wondering if anyone saw anything …

The function Generate_And_Display_Bill() has no formal parameters and returns a variable of type float. The function generates a random number between $0.01 and $99.99 and returns the value to main(). This is what I've created so far in my function declaration; [CODE]#include <iostream> #include <ctime> float Generate_And_Display_Bill() { float Random_Bill; …

I am using the CodeLite IDE. I compiled the following program using CodeLite (It is a C++ program): [CODE]#include <iostream.h> int main() { cout << "Hello World\n"; return (0); }[/CODE] It returns this message: g++ -c "/home/keagan/.coding-work/Hello/printamessage.cc" -g -o ./Debug/printamessage.o "-I." "-I." /home/keagan/.coding-work/Hello/printamessage.cc:1:23: error: iostream.h: No such file or directory …

[B]QUESTION 1[/B] In this line of code, I get that it's using the date/time to seed the code for a more random number each time, I'm just wondering what the < > operators are doing? [CODE]srand(static_cast<unsigned int>(time(0))); [/CODE] I realize, they're making time into an unsigned int, but why not …

All, I’m new to C++ and trying to figure out the best way to do a multidimensional array of pointers to a class. The code I am presenting demonstrates several questions I had and am hoping to get some help with each question. The basic idea is to create myMatrix, …

I have a sockets projects using tcp/ip and it is structured like this: [code] class Socket { int desc; Socket(); // create socket here }: class TCPSocket: public Socket { public: int send(); int recv(); }; class ClientSocket: public TCPSocket { public: void connect(); }; class ServerSocket: public Socket { …

In the book I'm studying we are given a function to make rand() work for numbers that are smaller that RAND_MAX [CODE] int nrand(int n){ if(n <= 0 || n > RAND_MAX) throw domain_error("Argument to nrand is out-of-range"); const int bucket_size = RAND_MAX/n; int r; do r = rand()/bucket_size; while(r …

I am trying to create a grade book form using the following class createfileform.cs I keep getting the following errors [COLOR="Red"]1:The name 'GetTextBoxValues' does not exist in the current context 2.Cannot implicitly convert type 'string' into 'int' [/COLOR] Here's My Code.[CODE] // Fig. 18.9: CreateFileForm.cs // Creating a sequential-access file. …

Hey people! I've saw many many times lots of custom controls, so I decided to build mine. I just don't know how :$ what do I need do to do to build a custom listbox control? Thanks!

Hi I am New to C# i Am trying to create a grade book form but I cannot build successfully because of the following error. [COLOR="Red"]The name 'InitializeComponent' does not exist in the current context [/COLOR] [code] // Fig. 19.7: GradeBook.cs // A reusable Windows Form for the examples in …

Hi Am currently taking a Java class and we are supposed to use turtle graphics to draw the following shape rectange made of Asterix ************* * * * * * * * * * * * * * * ************* My program builds and compiles successfully but I cant get …

Basically I have a long list of numbers, that are never greater than 999999, and never have more than 2 decimal places, ie, most numbers look like 123456.78 But I have several numbers in this list that are less than 100000, or have only 1 decimal place, or both. One …

[CODE]// ---------------------------------------------- // Name: William Rennie // Program: // Description: // ---------------------------------------------- #include <iostream> #include <cstdlib> #include <stdio.h> #include <string.h> using namespace std; // ----------- Function definitions ------------- void printTitle(int gamenumber){ gamenumber++; cout<<"***Word guessing game round "<<gamenumber;} bool checkWord(char word[],char guess[]){ int i; int x=strcmp(word,guess); if (x==0){return true;} else return …

Working with large int numbers. Broken up as char for each digit, total of 3 arrays, n1, n2, and sum. I have everything completed, the math works fine, the arrays work fine, the shuffling to the right side of the array works fine. I just have two issues, that both …

Conversion from string "Widow/Widower" to type 'Integer' is not valid. here is my code [CODE]classLibrary.addParameter("@Sex", SqlDbType.VarChar, txtSex.TextLength, txtSex.Text) classLibrary.addParameter("@Room_ID", SqlDbType.VarChar, txtRoom_ID.TextLength, txtRoom_ID.Text) classLibrary.addParameter("@CivilStatus", SqlDbType.VarChar, cboxCStatus.SelectedItem, cboxCStatus.Text) classLibrary.addParameter("@Nationality", SqlDbType.VarChar, txtNationality.TextLength, txtNationality.Text) classLibrary.addParameter("@Religion", SqlDbType.VarChar, txtReligion.TextLength, txtReligion.Text)[/CODE]

I need to generate a core file for a crashing process and then read it using dbx - can anyone help me with this?

I have a 2d array of size 4X4 that is [CODE] int arr[4][4]; [/CODE] i want to initialize this from 1-15 but in random manner not sequential example 7 8 9 5 1 2 12 14 3 6 10 13 11 4 15 0 I try [CODE]random()[/CODE] function but iam …

I'm reading about two-dimensional and multi-dimensional arrays at the moment in order to better organize user input. I'm trying to create a function that can store a card player's hand. At the moment I'm just brainstorming how it would look and writing out some notes to myself to organize it …

Hey, I have a online mysql database and it has a table with a few thousand records. Now nothing special there, my question is however. One of the fields of every row has content like this: 2 9 14 119 5 543 1479 35 90 .... <-- this field will …

hi em doing BS.Software engineering, as its my last semester and want to take Final year project. em just confuse of what to take. i want to do something for my university but as i gone through my university systems they are hell complex. can anybudy suggest me. i want …

Is it possible to change the caption of buttons of messagebox (change 'Yes' into 'Save' and 'No' into 'Discard'), If yes, then How it can possible and access the values of the clicked button ??

Hey folks, just a quick question i can't seem to find the answer to. If i overwrite a container with a pointer in it, does the pointer and therefore the object it points to still exist, and would that be considered a bad handling of memory. For instance. I have …

this is the error message... The INSERT statement conflicted with the FOREIGN KEY constraint "FK_Admission_Record_PT_Chart". The conflict occurred in database "HospitalManagementSystem", table "dbo.PT_Chart", column 'Chart_ID'. The statement has been terminated. my code is [CODE]Imports System.Data.SqlClient Public Class Admission Private cs As New SqlConnection("Data Source=SAbio;Initial Catalog=HospitalManagementSystem;User ID=sa;Password=TRACERT123") Private da As New …

hi...is there anyone help me to make an inventory system using ADODC as a connection for database...MS ACCess. inventory system format: 1. form that can monitor the available stocks 2. form for incoming stocks 3. form for stocks sold 4. form for adding stocks and 5. for product updates. thanks …

Ok, I'm having problem on how to save texts with quotes. Let's say I'm saving a value in a textbox like O'Neil. That's where I receive an error. How do I save names or texts like O'Neil or texts with qoutes? Here's my code for saving: [CODE] With RecSet .Open …

What is the "my" keyword used for in PERL?

the above code pasted can only drag the button but not into the picturebox. pls help.[code]hi, i need to drag a button into a picturebox and when the button is dragged inside the picturebox, i want it to be able to move around also. but my code i did only …

Hi, Why I get access violation in this code ? [code] char *arr[ 5 ]; for( int i = 0; i < 5; i++ ) cin >> arr[ i ]; [/code] but not in this : [code] char *arr[ 5 ]; char list[ 5 ][ 30 ]; for( int i …

Okay here is go this is my first time posting to this website and I hope I can get this all right for you all. I have stated this program and I gt know errors but the program will not run past my first cin cout statements? Does anyone see …

Hi What is the best way to go forward with finding all possible combinations of nCr Eg: 5C3 for the number 12345 123 134 135 145 234 235 345 Like that thanks

Hello Using : [CODE] cout << "enter 5 letter"; getline(cin, letter); [/CODE] executes fine but when running PC- Lint: getline(cin, expectedLabel): error 534: (Warning -- Ignoring return value of function 'std::getline(std::basic_istream<char,std::char_traits<char>> &, std::basic_string<char,std::char_traits<char>,std::allocator<char>> &)' error 830: (Info -- Location cited in prior message) I was wondering if anyone could tell …

Hey guys! Some time ago, I saw someone asking about trial software protection, and my first thought was a '30-day evaluation' mode. I was thinking on how it can be done without using any third-party programs. How can I detect the first run and count down (or up) the number …

Hello friends, I am having a trouble with dosbox 0.72. I opened turbo c++ using dosbox and tried a program. But it throws an error 'unable to create hello.obj'. my program [CODE]#include<iostream.h> #include<conio.h> void main() { cout<<"hello"; }[/CODE] I gave this while opening turbo c++ in dosbox... Z:\>mount c d:\turboc3\ …

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Hi, I have this really important project where in, I must perform the following tasks. VIEW - view records that are present in the database using a "primary key" ADD - add new records to the database EDIT - a specific line in the said record within the database [INDENT]Under …