Software Development Forum

I took a different view with Delete States. I decided to implement it like the InsertAfter method by using a Boolean, but I am pretty sure I am doing it right, but it only displays one state after I implement it. My Code for the Delete /** * * @param …

Hello, I've been trying to find a place that explains how a pre-built 3D array is populated, but it seems like there is only help on how to declare it out there. Can anyone explain it? I know what data i want to put into the array, I just don't …

Hi I am trying to run the post fix and pre fix operation in C++. The code which I tried is given below. #include <iostream> using namespace std; int main() { int a =0; cout << ++a + ++a + ++a << endl; // 7 a =0; cout << ++a …

I got a few labels which show a entire week. It's displaying the long date like this LblCurrentDay.Text = Date.Now().ToString("D") LblCurrentDay1.Text = Date.Now().AddDays(1).ToString("D") LblCurrentDay2.Text = Date.Now().AddDays(2).ToString("D") LblCurrentDay3.Text = Date.Now().AddDays(3).ToString("D") LblCurrentDay4.Text = Date.Now().AddDays(4).ToString("D") LblCurrentDay5.Text = Date.Now().AddDays(5).ToString("D") LblCurrentDay6.Text = Date.Now().AddDays(6).ToString("D") The labels are all inside each of their own small panel. But …

Hi, I have a custom combobox(say comboboxEX) derived from System.Windows.Forms.ComboBox. OnPaint() event I have some background color and styles for the combobox. Every thing works fine. My problem is, I can't set background color when DropDownStyle is "**DropDown**" and **Enabled = false**. But it workes when DropDownStyle is "DropDownList" and …

I am having problem with my python homework. My homework is asking to create a Python program to calculate a student test averages regardless of how many tests will be averaged. Also, it is asking to allow the teacher to continue averaging grades for any number of students. This is …

hi all, In the book "Programming Languages-Pragmatics" second edition by Michael l. Scott and Morgan Kaufmann, there is a sentence while explaining about copy constructor: "In recognition of this intent, a single-argument constructor in C++ is called a copy constructor." This is about the constructor of the form foo::foo(const foo& …

Thank you for looking at my issue. I am a beginner in school and we have an excercise that asks us to write a program that uses nestes loos to draw this patter: ******* ****** ***** **** *** ** * and ** * * * * * * * * …

Hey everyone need some help again with finding the min and max from a text file. its my college lab assignment. here is my code till now. #include <iostream> #include <fstream> using namespace std; int main() { ofstream fout; fout.open("Text.txt"); ifstream fin; fin.open("Lab6.txt"); float c; int count = 0; float …

Hi, I had an assignment where we had to fox a program and get it working correctly. I fixed 99% of the problems and the program runs correct. The only thing that is wrong is my insertionSort() method. It runs correctly, but in the wrong order. Currently its listing names …

hi i have an string array in which i have combinations of 0's and 1's like on index 0 i have "01", on index 1 i have "11", on index 2 i have "00", on index 3 i have"10" etc is their any possibilty that i can take these values …

public class QS { public static <T extends Comparable<? super T>> T[] quickSort(T[]array) { return doSort(array, 0, array.length - 1); } //some other methods................. public static void main(String [] args){ QS qs = new QS(); int [] nums = {4,7,23,1,2,45,23,11}; qs.quickSort(nums);//gives error } } I am getting an error in …

In vb6 I installed in my computer it has microsoft windows common controls 5.0(sp2).I want to know how to have full row select option in listview component.how can i select full row at listview.in listview properties there is no fullrowselection check box.it has only 5 chechboxes.

The code below works: public class concat { public static void main(String[] args){ String[] filters = {"A","B","C","A","K","C"}; String[] values = {"1","2","3","4","5","6"}; String a = ""; for(int i=0;i<filters.length;i++){ String temp = filters[i]; for(int j=0;j<filters.length;j++){ if(filters[j].equalsIgnoreCase(temp)){ a += values[j] + " "; values[j]=""; } } if(a.trim().length()!=0){ System.out.println(temp + " [" + a …

with the formula : Result = 1+2!/((x-2))-3!/((x-3))+4!/((x-4) )- n!/((x-n)) i want the output as : Please key in x value: 8 Please key in n value: 5 result = 1 +2!/6-3!/5+4!/4-5!/3 = -33.8667 ------------------------------------------------------------------------ i have done the code , still cannot get the output , can anyone help me …

Hello, I am fairly inexperienced with coding and have been having trouble with a program I am trying to write. The problem is that when reading from a text file the program will only read some of the file not all of it. Any help would be greatly appreciated. Here …

Hello. I have a picture box on a form. The imageLocation of the picture box is set to a url like for example "http://www.google.mu/imgres?imgurl=http://1.bp.blogspot.com/-w6AJJ5Xoulg/T3AymMKbFlI/AAAAAAAAACI/EslCtw42HHg/s1600/jpeg.jpg&imgrefurl=http://zainriasat786.blogspot.com/2012/03/discuss-impact-that-file-format.html&h=480&w=640&sz=36&tbnid=fkqhzaWg8cSK4M:&tbnh=90&tbnw=120&zoom=1&usg=__54xTPooPnJOFy8xQS0TJXOtV1d8=&docid=JkpXnRk64SCIzM&hl=en&sa=X&ei=LjxoUO_uEsXRrQf28oDYBw&sqi=2&ved=0CD0Q9QEwBA&dur=24". When the form closes, we can see that memory is not released. I have added code to dispose the picture box on form closing but when …

/*I am trying to generate 6 random unique (1-49) no.s and understand that my validation is incorrect.Help Please?*/ [code] import java.util.*; import javax.swing.JOptionPane; public class ranUnique { public static void main(String[] args) { String output=""; int[] arrayRan=new int[6];int ran2; for(int ran=0;ran<arrayRan.length;ran++){ arrayRan[ran]=(int)(Math.random()*50 //validate for(ran2=0;ran2<=ran;ran2++){ if ((arrayRan[ran]==arrayRan[ran2]) || (arrayRan[ran]==0)) { arrayRan[ran]=(int)(Math.random()... …

hi guys, am stil new to java their was a snippest code about getting screen size i've being seeing onine calling window.getSize() in what package is the object located. // Get the size of the screen Dimension dim = Toolkit.getDefaultToolkit().getScreenSize(); // Determine the new location of the window int w …

How can I connect my msacces database and use SQL query command like "Select Field FROM Table Where Field1 = foo AND Field2 = foo2" in Visual basic 6 and display the query result to a textbox.

Hi all, I have a program that I have to write with an output that looks like this: ---------------------------------------------------------- Wages for 3 employees For 10 hours worked, the wages are 120 dollars For 20 hours worked, the wages are 240 dollars For 30 hours worked, the wages are 360 dollars …

I need to design an application that reads a string from the user, then determines and prints how many of each lowercase vowel appear in the entire string. Separate counter for each vowel. I also need to count and print the number of consonants, spaces, and punctuation marks. The problem …

I need to design and implement an application that produces a multiplication table, showing the results of import java.util.*; import java.text.*; public class MultTab7 { //---------------------------------------------------------------------------------------------- // Creates a multiplication table. //---------------------------------------------------------------------------------------------- public static void main (String[] args) { int MAX = 12; for (int r=1; r<=MAX; r++) { for …

Hello guys. I need to write a client-server app that provides a simple Lotto server and client to generate a user-defined sequence of random numbers in the range 1 - 42. The system operates as follows: 1) Client sends a string message to the server indicating the operation to be …

i made this code to loop number for(int i=0;i<4;i++){ double temp[i]=Math.random() * i*10; system.out.println("Result" +i+ "=>" +temp); } output : Result 0 => 14.3 Result 1 => 11.4 Result 2 => 10.8 Result 3 => 12.4 now, i want to sort by ascending this output based on value with keep …

Button1.DoDragDrop(BackgroundImage, DragDropEffects.None) Throws an error ' Object reference not set to an instance of an object. ' First time I've used DoDragDrop, and first time with 2012 :)

Hi I have a CS class assinment that invloves solving a word search puzzle with a brute force string matching algorithm. I have made a lot of head way in getting the four search methods to work, however when I search for words that end along the edges of the …

I am trying to write a Java program to download youtube videos. When I search in internet I found that most of the codes use to get the index of "url_encoded_fmt_stream_map=" from the YouTube page source. I think this is to extract the exact video format link. But I am …

I have been pondering this task for awhile now and I just can't get it to work. I am trying to get the function readParameters to read the text from a .txt file and transfer them to the specified variables. I have managed to eliminate almost all the warnings but …

anyone please explain to me what is the diffrence of this two query select * from tbl_Booking where [Date of Pres] between 'October 11,2012' and 'September 17,2012' (this query can display the information) select * from tbl_booking where [Date of Pres] between 'September 17,2012' and 'October 11,2012' (while this query …

Afternoon all, I currently am loading an XSD file from a physical file into memory to validate an XML file. However on loading the file it is containing such escape characters as `\r\n` to keep the formatting the document was originally in. This then causes an exception when loading the …

Quick question. I am in the process of creating an application that uses alot of images, its becoming quite unbearable having to look through them ect. I was wondering is it at all possible to programatically select an area of an image to display? That way I could group images …

#include <stdio.h> #include <stdlib.h> #include <string.h> main() { char *p1="Name"; const char *p2="Name"; char const *p3="Name"; char *const p4="Name"; const char *const p5="Name"; ++p1; ++*p1; ++p2; ++*p2; ++p3; ++*p3; ++p4; ++*p4; ++p5; ++*p5; } While Compiling above code certain Compilation error came. The errors are: const.c: In function âmainâ: const.c:17: …

hello, i need some help here, i already bind my database coloumn 'NAMA' to my combobox 'cbNAMA', and now i want to show data from my database on textbox by selecting the row using cbNAMA but i got this error "System.InvalidCastExeception: Conversion from type 'DBNULL' to type 'String' is not …

i get this 'else' without 'if' error on this case: case 2: for(int i=0;i<currentRegisterdItems;i++){ System.out.println("#"+i+" - "+itemArray[i] + "\t\t\t" + priceArray[i]); System.out.println("Select products and add to cart - Simple Shop Software"); System.out.println("Enter the product id: "); int searchIdProduct = Integer.parseInt(a.readLine()); if(itemArray[searchIdProduct] != null){ System.out.println("Add "+itemArray[searchIdProduct]+" to your cart?"); System.out.println("Confirm: Y …

public class IC1 { private int x = 3; static int y=4; class Inner { public void inmet() { System.out.println(x + " " + y);} } public void do() { Inner i = new Inner(); i.inmet(); } public static void main(String r[]) { IC1 ic = new IC1(); ic.do(); } …

i'm new to VB.Net programming but i want help. i have two MySQL tables created using the following SQL statements: create table tbldepartments ( departmentID TINYINT( 2 ) UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, department VARCHAR( 25 ) NOT NULL UNIQUE ) AUTO_INCREMENT = 50; create table tblemployees ( employeeID …

Hello Friends, I want to set the length of the textfield in java... Please check my below code....it works finely if I press the keys one by one slowly... But suppose if I press any key for a longer time the actual length exceeds and so the validation is not …

Hello, I need to wwrite a function that will go through a dynamic character array that the user inputs then take it and delete the repeated characters. My program partially works but it seems as though whenever it deletes a set of repeated characters then it just stops rather than …

I'm fairly new to C++ and my professor gave me most of the code to start with. I'm supposed to write a program that uses the add_day(int n) function I wrote in Chrono.cpp. There must be a problem with the **Chrono::Date add_day(int n);** line. Here is the error: hw4pr2.obj : …

Hi, All, I need to check if the date values is valid this current year, for example, February 29, 2012, I have used Isdate function but it says "True", is there any other way to do this? Thanks in advance. renzlo

Hi sorry for yet another circular inclusion problem but I need help understanding why I cant add a new class CSprite to my project that inherits CShape. I get an error C2504 base class is undefined. I've tried so many permutations of including files. Also can anyone suggest a neater/efficient/correct …

Ackermann's function is a recursive mathematical algorithm that can be used to test how well a computer performs recursion. Write a function A(m,n) that solves Ackermann's function. Use the following logic in your function: If m=0 then return n+1 If n=0 then return A(m-1,1) Otherwise, return A(m-1, A(m, n-1)) Test …

I need to write a program that takes in two big integers from the user and puts them into a dynamic array so that we can add them together. It says to use "paper-and-pencil" mehtod meaning to pretty much reverse the dynamic arrays and carry the ones over as you …

I have a nested list, named env, created in the constructor and another method to populate an element of the grid defined as below: ... class Environment(object): def __init__(self,rowCount,columnCount): env = [[ None for i in range(columnCount)] for j in range(rowCount) ] return env def addElement(self, row, column): self[row][column] = …

My program will process the first and second line of the text file but gets a bit crazy after that. Lines 1, 2, 3, and 5 are supposed to match and line 4 does not. It gets lines 1 and 2 but 3 and 5 are incorrect and it processes …

Hello, As of now I am trying to read in a text file that is tab delimited with uneven columns. My problem is that when I try to split the file into respective lines, I get an "out of array bound" error. I know this is due to have a …

Hi i am using java code to connect to MS access using following url jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=C:/login.mdb Now if I need to connect to the run this java code from some other machine in network then how will I write the path "DBQ=C:/login.mdb"

I need to design and implement an application that reads a string from the user and prints it one character per line. import java.util.*; import java.text.*; public class EveryLine5 { //---------------------------------------------------------------------------------------------- // Reads in a string. //---------------------------------------------------------------------------------------------- public static void main (String[] args) { int length; char current; String msg …

I am studying the C++ code from an opensource project (libredwg) I have the following code: `*offset = *(*src)++;` What does this do? I understand offset = *src++; which would assign src[0] to the variable 'offset' and then increment src so that it points to what was previously src[1].