Software Development Forum

Hi, I'm working on a linked list filled with class objects and I've encountered a weird problem that I cannot see how to resolve. I declare 2 self-referential pointers within my 2 classes and the error: In file included from prog2.cpp:16: employeedatalist.cpp: In function âvoid getData(std::fstream&)â: employeedatalist.cpp:15: error: âheadâ was …

please help me to solve this problem,i want to insert data by checking the multiple entries in my form and retrieve the same data, the check box must checked the corresponding field retrieved.

is there another way to write this code other than using bool for validation [CODE]bool isValid = true;[/CODE]

i put the numbers into my calculator and i receive a number that is about $1 greater than the actual value. why? [CODE] #include<iostream> #ifndef Tips_H #define Tips_H using namespace std; class Tips { private: long double taxRate, bill, gratuity; public: Tips() { taxRate = 0; bill = 0; gratuity …

Hi, I'm puzzled I can't display unicode characters higher than u"\u2094". I can display all below and including u"\u2094" but nothing starting from u"\u2095" and up. How could that be? e.g. [CODE] self.label = QLabel(unichr(int('2094', 16)) + unichr(int('2098', 16))) [/CODE]

Well, Hello Again! I'm now using pure C++, too hard But well. I just love how you can manage everything Windows have, is like owning Windows. But well, i have some issues: [CODE] extern "C" __declspec(dllexport) char *getValue(char *valueName) { HKEY hKey = HKEY_LOCAL_MACHINE; LPCSTR lpSubKey = "SOFTWARE\\Dantom\\BYOND"; PHKEY phkResult; …

Ok fairly new to this but the programming i am doing is for a "price list" of sorts, i have 3 buttons with 3 labels which work fine showing the label text when pressed, next i have a group box with one button, 2 radio buttons, and 2 labels, I …

#include <iostream> #include <fstream> #include <iomanip> #include <cmath> using namespace std; int main() { char fare; char choice='Y'; int hrIn, minIn, hrOut, minOut; int hours; int minutes; int total_minutes; double cost; float charge; float additionalTime; while(choice=='Y'||choice=='y'){ cout << "\nThis program will calculate a single, couple, or group " << "\nfare …

<sorry for thread hijack> My vb6 application opens the access data base with the vb6 database name property of the Data1 control. How can I change this to open with explicit coding in the vb coding so I can change the path in a single location?

any example how to copy files? thanks!

What is wrong with this code of mine? [CODE]Private Sub btnPlus_Click() If counter = 0 Then savedNumber = Val(txtNumber) counter = 1 End If If counter <> 0 Then value = Val(txtNumber) End Sub[/CODE] [CODE]Private Sub btnEquals_Click() result = Val(savedNumber) + Val(value) txtNumber.Text = CStr(result) End Sub[/CODE] [CODE]Private Sub btnThree_Click() …

i have this make-over software project and im having a hard making up the codes in vb. i dont have much time for research for im having my work as well.. the software must be identical to mary kay's virtual make-over software. see link below: [url]http://www.marykay.com/whatsnew/virtualmakeover/default.aspx?ab=sidenav_vmo[/url] can someone help me …

ok i have i want to summarize only the first collum [CODE]int counter=1; int totalvertical=0; int i=7,k=4; int array[i][k]={random values}; for (int x=1;x<7;x++) { for (int y=0;y<4;y++) { cout<<"["<<x<<"]["<<y<<"]="<<array[i][j]<<" "; totalvertical=array[counter][0]; cout<<totalvertical; } counter++; cout<<endl; }[/CODE] line 12 prints me normaly what is at array[1][0] then array[2][0] then array[3][0] etc …

when ever i try to compile/run my game in eclipse it says this [QUOTE]Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at OurGame.Board.checkCollisions(Board.java:78) at OurGame.Board.actionPerformed(Board.java:40) at javax.swing.Timer.fireActionPerformed(Unknown Source) at javax.swing.Timer$DoPostEvent.run(Unknown Source) at java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at …

i dont see how this is possible but....is there a way i can have a literal value in my program....such as the number "1" represent a specific variable? for example int sum; sum = 1 + 3; <--- i want my program to read this as add "3" to the …

when saving the "conversion failed when converting datetime from character string" is displayed. Please help Private Sub BtnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnSave.Click Try Dim cn As New SqlConnection(ConnectionString) cn.Open() put = "insert into NewAccount(Account_no,Surname,First_Name,sex,Date_Applied,Date_Birth,Contact_no,Contact_Address,Acco unt_type,Branch_ID)values('" & Me.TxtAddress.Text & "','" & Me.txtAccount_No.Text & "','" & Me.txtSurname.Text …

So for some bizzare reason instead of getting any values I get 0 if I try using a loop to get values using the method getValueForName. However if I just call it from main and pass it a string as an arg it gives me value. I'm new to C#, …

Guys I know this error is not new. I have read many threads about this and solutions also. But I have done one of the solutions I know and it is still occurring. Update requires a valid update command.... I hava defined a primary key in my database table. What …

[CODE]void Form1::textBox9_KeyPress(System::Object^ sender, System::Windows::Forms::KeyPressEventArgs^ e) { if(!Char::IsDigit(e->KeyChar) && (e->KeyChar != 0x08)) e->Handled = true; }[/CODE]Thats the code i got, but, how could i allow CTRL+V. [CODE] if(Char::IsDigit(e->KeyChar)) return; if(e->KeyChar=='\b') return; if(e->KeyChar=='\v') return; if(e->KeyChar=='CTRL') return; e->Handled=true;[/CODE] This also doesn't work ._. (Im using Visual Studio 2010)

I have a project where I'm building a motion-sensing controller. It has around a dozen buttons plus the motion sensors. I'm having it wireless transmit the status of the buttons and sensors to the base station. I know interrupts are better than polling, but most people seem to recommend polling …

Hi, i'm still beginner in java. Here is my simple question: if we have two java programs like: -test1.java which open a file for example. test2.java which move one file to another directory. Suppose these two programs are working well separately. if one day, we want to write just one …

hi there, i have a question in C# files. i have a client application which is created in visual studio C#. and from that i copy a file to a folder in the server computer folder. so when i am trying to display it ot the user i user System.Diagnostic.Prcess.Start(PathToTheFileInTheServer) …

hi all, pls advise on: Can Python 2.6.6 scripts be converted to .dll and read by C sharp? Can Python 2.6.6 scripts be converted to .exe and read by C sharp? thanks tcl

Hi, i have a problem in my database. how to sum the value of row into another value of row?.. i want to compute the total of Hoursworked.... this is my example table for the sum of row by row.. DTR Table EmpID TimeIn TimeOut HoursWorked Date 1 08:30 05:30 …

[CODE]void Rational::reduce(Rational &f3){ int tnum, tden, temp, gcd; tnum = labs(numerator); // use non-negative copies tden = labs(denominator); // (needs cmath) if(tden==0 ){ // check for n/0 cout << "Illegal fraction: division by 0"; exit(1); } else if( tnum==0 ){ // check for 0/n numerator=0; denominator = 1; return; } …

Hi Enclosed is my Java assignment which is due **Tuesday**, any help would be greatly appreciated. Program Specification: (1) Rather than having the trainee type in the full title of his Training Module, let him choose from a menu: the choices should be: “Forward Scanning Radar Display Repair”, “IR Beacon …

hi i created text to pdf converter project in java using eclipse. when i run it from eclipse it works properly. in eclipse i used export menu to create executable jar file(runnable jar).when i run project from that jar file it actually run but it wont convert those text file …

Im working on an assignment and have run into a proglem that I cant seem to fix. With the following code I get the following error. "warning: passing argument 2 of strchr makes integer from pointer without a cast" [CODE]#include <stdio.h> #include <string.h> int main() { char buf[250]; char *chptr; …

I dont know how to kill this JOptionPane pop out eveytime i do something... it just pops [CODE]Object[] options = {"Option 1", "Option 2"}; Component frame = null; int n = JOptionPane.showOptionDialog(frame, "Chose Game Option \n *Option 1 - Enter Secret Word\n *Option 2 - Random word selection from secret …

Hello cryptogeeks, does anyone have idea for KATAN/KTANTAN block cipher.Got any C code for it???

Below is a code displaying records from a view which is concatenating first and surname in textbox on the form called accoutnholder. But the code "txtAccountHolder.Text = myDataReader.Item("First_Name&" - " &Surname")tostring]" show the expression does not produce value. please i need ur help to continue Private Sub txt_LostFocus(ByVal sender As …

[CODE]<employees> <employee> <user_id>6</user_id> <profile_name>Developer</profile_name> <profile_id>2</profile_id> <user_status>1</user_status> <gender>1</gender> <first_name>Anulesh</first_name> <last_name>Gupta</last_name> <address>106/B, 1st Floor, 46th Cross, 4th Block, Rajajinagar,</address> <pswd>password</pswd> <pswd_change_dte>2011-01-25T19:48:00+05:30</pswd_change_dte> <email_addr>anulesh.gupta@effone.com</email_addr> <phone>91-080-22445281</phone> <dob>1981-09-18T00:00:00+05:30</dob> <join_date>2008-11-20T00:00:00+05:30</join_date> <receive_email_notification>true</receive_email_notification> <last_logged_in>2011-01-25T19:48:00+05:30</last_logged_in> <emp_id>1001</emp_id> <full_name>Anulesh Gupta</full_name> <skill_set /> <city>Bangalore</city> <state>Karnataka</state> <country>India</country> <zip_code>560010</zip_code> <mobile_number>22445281</mobile_number> <pwd_flag>1</pwd_flag> <reports_to>5</reports_to> </employee> </employees>[/CODE] Convert this into this format , please help me out for …

Hi guys i'm trying to write code that requires the user to hit return twice to terminate the project and I can't figure it out. I think i am supposed to use some variation of [CODE] if(input == " "){ exit(1); } [/CODE] with a Boolean expression but I can't …

I am doing an bubble sort assignment, the goal is to enter up to a max of 10 numbers and sort them. The problem that I am running into is when I run the code, I have to hit ^D to have the next line of the array displayed and …

I have two textbox and I want to have two different messagebox validation for each. It goes like this [CODE]if(text1.Text.Length == 0) { messagebox.Show("error 1"); } else { OK }[/CODE] Where would I put the textbox 2 for a different messagebox? Else if will not work. Need help

I want to open a text file at a specific index point. is there an easy was to do it other then building it in a textbox? in notepad and notepad++ they go by line in text and not text index point.

Hello All! I'm working on a bit of code and I ran into a problem. I am trying to make a program that writes data to a binary file. When the program is run again later (presumably after being terminated) it is supposed to read in the old directory file …

Hi, I am trying to compare two objects, but it is not working correctly. Please help. [CODE]/** * Compares theObject with <CODE>this</CODE> object for * equivalence. Do not concern yourself with runtime * efficiency. * @param theObject to be compared with this object * @return true if theObject is equivalent …

Hello, Iam using the pyodbc module to read / write to the .mdb file.i have written the following code for extracting some data from db and it works fine. [CODE]cursor.execute("select company_name, param_key,com_value \ from key_financial_ratio \ where param_key = ? \ and com_value > ? \ and com_value < ?" …

Hello, I'm a student working on my first hands-on assignment. One of the questions is this: Q4: Write a program that converts a user input temperature from degree Celsius to Fahrenheit or Fahrenheit to Celsius using: C = 5 (F -32)/9 or F = 9C/5 + 32 The user must …

Hello, I am working on a project that involves 5 servomotors that need to move in a coordinated way. The servos are controlled via an Arduino micro-controller. I've been learning C through this project, so my coding might be a little off-convention. What I have is 5 buttons (0 to …

hi,everyone i need help about simple code to move the picture in form simply animation of the picture. thanks

So I am a bit confused with the following terms already and how they interact. I am new to IM creation and I want to know the best approach on how to go about this. Anybody can explain them to me? I know ejabberd is a kind of open source …

I am in a distributed education programming class, our most recent assignment has me stumped with a error that is driving me insane. The IDE I have on my personal computer is missing some of the libraries I need(I believe), and when I remote desktop to my school's computer and …

Hello Lovely People, Please have a look at my GUI first, before reading the rest (I've attached a picture, see at the end of my post). I'm having two problem with this GUI. 1) I don't want my Start button to be as long as it is. I want it …

hey frnds ... my query is regarding the [B].bak[/B] files which are genrated when we compile our code. For some files i hv seen the [B].bak files[/B] but for others they dont exist . I just want to know the start n the end of these [B].bak files[/B] . Whats …

The rubric says "In a new class, write a static insertion sort method that takes in an array of Comparable objects...In this new class, create a main that tests your code by making an array of TravelGuide objects and passing it into your insertion sort. Also test that your code …

Can someone help me with my queue? I think the stack works fine. I just need the indexing of the queue or do I need to index the queue? [CODE]from string12 import * from queue import * def main(): stack1 = Stack() queue = Queue() word = raw_input("Enter a word …

Please help me with, creating an checker board!! this is all i got right now [CODE]from cs1graphics import * n = 8 paper = Canvas(400, 400) for y in range(n) : for x in range(n) : square = Square(100) square.moveTo(x*50, y*50) paper.add(square) [/CODE]

Ok heres my problem i was told to make a simple tower of hanoi project (standard for C++ courses) heres what i have it works pretty well the only problem i have is that i need to number the discs from smallest to largest and tell which is moving. i …