Software Development Forum

Hello guys i've been learning java for a short while and have come upon a problem which i cannot seem to solve. I have a boolean array of 11 values, now i want to prompt the user into entering the number 1 or 2. If the user enters 1 I …

Hi, I have a panel which contains numerous dynamically generated datagridviews. Everything is working pretty fine, but for instance if there are three datagridviews in that panel. At least one row is selected as default in each datagridview, So what I want is to get colored only user selected row …

Hi All, I'm trying to return my username in c#, but my Fullname... like John Smith. Right now I am only getting mt actual login to windows, does anyone know how to do this? string strUsr = WindowsIdentity.GetCurrent().Name.ToString(); MessageBox.Show(strUsr); Environoment.username also brings back login... not full name any suggestions???

Hi I'm working on a project. i'm using c++ gui windowns forms. when people press the red cross, then the program need to do something before exiting the program. can someone tell me how to make this. what event I need to use. thanks in advance

Hello, can anyone help me regarding how this can be done? I need to declare an 'array' which has 95 indices, and each entry holds 8 bits each of data. am doing this with: PORT_MAP_LEN = 764/8 bit_map_len = [0]*PORT_MAP_LEN but it is giving me list index out of range …

i have buttons and i would liek to make shortcuts from the keyboard to press them. eg. btnAdd = CTRL+A

Hi, I have a value in a string with a semicolene and i would like to remove that semi colene and put a dot. [B]FROM[/B] string a = 10:12; [B]TO[/B] string a = 10.12;

Hi, I am trying to create a form application with console. I label my text box using, this.Test = "Assignment 8". There is a button saying press me. When button is pressed, the box that comes up needs to say Click me in the title area. I can't find anything …

Hi Everybody, I am developed an application software in that i want to use notification Icon. But it seems to doesn't work for me. can anybody help me? Here is my code [CODE]private void button29_Click(object sender, EventArgs e) { notifyIcon1.Visible = true; notifyIcon1.ShowBalloonTip(2000, "Hello", "Hi", ToolTipIcon.Info); }[/CODE] it will not …

hi... I made two class assemblies to use with my project now I want to make DLL of these class libraries so that deployment will be easy. can any one help me how to convert a class library to DLL. or com object Thanks in advance

I've done Hello World programs with Visual C++ Express 2010 before, but I always checked the "Empty Project" option. This time I selected a Console project and took the defaults. Program is below. [code] // HelloWorld.cpp : Defines the entry point for the console application. // using namespace std; #include …

Anyone let me know what is going on here? Think it is something to do with the scope. [CODE] double answer; if (sender is System.Windows.Forms.Button) { try { answer = Convert.ToDouble(answerBox.Text);//if cannot convert } catch (Exception ex) { MessageBox.Show("Enter a valid number" + ex.Message(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Information); return; } } …

Hi all, I have been doing for fun this problem in projecteuler.net. The problem is as follows: +++++++++++++++++++++++++++++++++++++++++ Peter has nine four-sided (pyramidal) dice, each with faces numbered 1, 2, 3, 4. Colin has six six-sided (cubic) dice, each with faces numbered 1, 2, 3, 4, 5, 6. Peter and …

I am trying to compare a string literal with a string downloaded from a webpage. Here is my code. [CODE]using System; using System.Collections.Generic; using System.Text; namespace testsource { class Program { static void Main(string[] args) { string source = getPageSource(@"http://www.mywebsite.co.uk/index.php"); string fromsource = source; Console.WriteLine(fromsource); //Displays Text Here in console …

Compare the two and just return how many match, don't need to know which ones matched Having a bit of brain freeze on this right now, any got any ideas?

[CODE] Private Sub Combo1_Change() With Me.Combo2.Enabled = False Select Case Me.Combo1 Case "bob" Me.Combo2.Enabled = True Case "carol" Me.Combo2.Enabled = True Case "jeff" Me.Combo2.Enabled = False Case "freeda" Me.Combo2.Enabled = false Else: Combo2.Enabled = False End Select End Sub[/CODE] Hi all , this code seems to be wrong as i …

Dear all I am totally new to visual C#. Whilst I can sort of manage console apps, I easily get lost when it comes to coding forms. I am currently making an "app launcher" which reads a text file line by line. Each line is a path to a useful …

First, my program works. I'm posting my code for my own personal benefit with the help of your guidance to know of any better way of handling this code. I was considering the use of [CODE] while(cin >> grabname) [/CODE] to possibly continue grabbing from the input stream until '\n' …

hello, i wrote a little program, but There are some problems. Can anyone help me? here is the code: [CODE]#include <iostream> #include <math.h> #include <fstream> using namespace std; bool tikrinimas(const char *filename) { ifstream failas(filename); return failas; } int main () { tikrinimas("example.txt"); bool failas; if (failas==true) {cout << "good";} …

Good Morning All, Let me start by saying I am completely new to programming in c#, however I do have some VBA experience. That being said I have hopefully a simple thing I am stuck on. On a windows form I have a textbox that I have set READONLY = …

Hello everyone, So im been looking around and i havent been able to find info of this problem that i have, so this is the main thing I have this datagridview of an inventory, and i added an extra column(unbound) to the dgv, so what i want to be able …

Hey there =) i have 2 tables with a relationship between them. a Primary key in the one table, and a secondary key referencing the primary key, in the second table. Now usually when i want to display data in my db i INNERJOIN the two tables, so i can …

Hello All, I've been scouring the internet for code on sending email through lotus notes and this is what I found: [CODE] static void SendNotesErrorMail( string err, string file) { //Pass in file name string filename = file; //Pass in error message from TryCatch string errMessage = err; //Create new …

[CODE]// student.cpp - Script 9.7 #include <iostream> #include <string> // Declare the Person class. class Person { public: Person(std::string theName); void introduce(); protected: std::string name; }; // Declare the Teacher class. // Teacher inherits Person. class Teacher: public Person { public: Teacher(std::string theClass); void teach(); void introduce(); protected: std::string clazz; …

I commented by the last line. I am trying to print out the string in reverse. [CODE] #include <iostream> using namespace std; void add(string n); int main() { string B ="ABCDEF"; add(B); } void add(string n) { if(n.length() <= 1) { cout<<n[0]<<endl; return; } else { cout<<n[n.length()-1]; add(n[n.length()-1]); //this lines …

Hi guys, Im trying to write a program that find the biggest rectangle by its area. I've tried and it doesnt seem to compile. Can you help me please, thanks. [CODE] public class Rectangle { private int width; private int height; public Rectangle(int width, int height) { this.width = width; …

When reading books I was thinking that data hiding was to hide the data from the user so somebody who is using a C++ executable is an user and data hiding is implemented to hide the hide the data from the user( somebody who is using the exe file produced …

[CODE]import java.io.FileReader; import java.util.Scanner; public class diverScores { public static void main(String[] args) { Scanner kb = new Scanner(System.in); double [] score = new double [8]; double totalScore = 0.00; Scanner fileScanner=null; try{ fileScanner= new Scanner(new FileReader("divingdata.txt")); }catch(Exception e) { System.out.println("Input file not found"); System.exit(1); } while(fileScanner.hasNext()) { String fileLine …

Hi, I have a list of lists such as : [[foo,1],[baz,1],[foo,0],[bar,3],[foo,1],[bar,2],[baz,2]]. I want to get all the different items in the inner lists and find the total number of them. I mean the result should be like : [[foo,2],[bar,5],[baz,3]]. How can I do this task? Thanks in advance.

So I have a task to write the algorithm for eratosthenes' sieve. The code works fine apart from the fact that it just won't print the newline when i need it. It just ignores the syscall for printing. I tried googling but couldn't find anything similar to my problem. The …

what is the best regex to validate email. i would like to validate it to be a valid email not ex : [email]abcd@efgh.ijk[/email]

The Predator‐Prey game is a simple board game where bugs (predators) and ants (preys) move freely across the board. The following is a description of the game rules: -Predators and preys move on a 2‐dimensional closed grid -Predators and preys are not allowed to move outside the grid -The game …

Hello everyone i have a text file that contains something like this. [CODE] 1 AC AT RR cOO 2 EE cFF HGB cEVY 3 WDU RWS cTY NBE [/CODE] but it contains a lot of rows and that's an example of the data what i want to do is to …

hi... I am using sorted dictionary to add nodes in a hierarchy but i have to show multi-parent multi-child relation but sorted dictionary doesn't allow duplicate entries :( is there any way if yes please suggest I will be honored Thanks in advance

Hey guys I've been asked to create an array of objects on the heap for my assignment but I cant seem to find any examples that explain it well enough on the web. So what I got is: [CODE]//Heabder File class Wheel{ public: Wheel() : pressure(32) { ptrSize = new …

[code] #include <iostream> #include <vector> #include <algorithm> using namespace std; class A { public : void getData(); void putData(); bool operator==(const A &) const; private : int x; char name[90]; }; vector< A > v; void A :: getData() { cout << "id = "; cin >> x; cout << …

The problem is Red color there. when add record into table. I want have same LoadingNo but different RecNo. But I'm using this only can add record until 2 only. Expert please help me!! [CODE]private string CalculateNewRecordNumber(string record) { string[] data = record.Split('/'); DateTime currentDate = DateTime.Today; int recordYear = …

When I parse this date: [code] SimpleDateFormat sdf = new SimpleDateFormat(); Date utilDate=sdf.parse(txtFieldArray[i].getText());//12/31/1955 java.sql.Date sqlDate=new java.sql.Date(utilDate.getTime()); instructorBean.setStartDate(sqlDate); [/code] error [code] May 9, 2011 7:10:43 PM view.forms.profileForms.InstructorProfileForm actionPerformed SEVERE: null java.text.ParseException: Unparseable date: "12/28/1955" at java.text.DateFormat.parse(DateFormat.java:337) [/code] Can someone show me some code on a date that can be parsed?

[CODE]// rational.cpp - Script 9.5 #include <iostream> #include <string> // Declare the class. class Rational { public: // Constructor: Rational(int num, int denom); // The overloaded methods that implement // arithmetic functions: Rational operator+(Rational rhs); Rational operator-(Rational rhs); Rational operator*(Rational rhs); Rational operator/(Rational rhs); void print(); private: // normalize() will …

So I have a book on C but have Dev-C++ IDE and was wondering if I could learn C from that book whilst using the Dev-C++ IDE? Many thanks in advance!!

Hello! I have just started learning assembly language, and I have decided to use the NASM assembler. I made a small program, included below, that is supposed to take a number, add 5, and print out the final result. The program correctly prints the prompt, and takes a value, but …

i know how to add many things into arraylist at once, like: [CODE] String [] things = {"eggs ", "pie ", "lasers ", "hat "}; List<String> list1 = new ArrayList<String>(); for (String x: things) list1.add(x); [/CODE] but is there a way to add things into arraylist iteratively one by one?

hey guys, when do we use "long"? and what is it anyway? like: [B] public [COLOR="Red"]long[/COLOR] someStuff([COLOR="Red"]long[/COLOR] n) { ..... ..... } [/B] thanks :)

compiler : g++ of gcc4.5.2(minGW) os : windows xp sp3(32bits) [code] template<typename T, template<typename> class CONT = AccumulationTraits > class Accum { public : static typename CONT<T>::AccT accum(T const *beg, T const *end) { typename CONT<T>::AccT total = CONT<T>::zero(); while(beg != end) { total += *beg; ++beg; } return total; …

hello everybody. i bulding now a software with a data-base i am using MFC lib. i need help how to add, edit & use data base in vc++ tks biny.

how to write a custom exception ?

Dear knowledgeable ones A new problem have arisen. I have now an SQL database file with about 100 tables in it. I would like to automatically go through all of these tables and check if the column "Owner" exist. If this field does not exist, then it should be created …

I have been reading a textbook on Java-- I am a C/C++ programmer so my view of addresses and pointers are based on what I know from those languages. I am trying to make sense of something the textbook said about object addresses. The textbook basically said when one object …

Here I am again for my weekly Sunday night help. Sigh. How can I pass my error message into my exception? Thanks. Let me know if you need to see more of the code. [CODE] /* Create an error message that is passed to the Exception class constructor for the …

I am creating a game that requires me to change the background color of a panel, wait 1 second, then change it back. The code I tried was: [CODE] button1.BackColor = Color.Blue; System.Threading.Thread.Sleep(1000); button1.BackColor = Color.DimGray; //Dim Gray is the original color [/CODE] When I use this code it never …