Software Development Forum

(i) In technical feasibility,we check if the company has enough hardware tech,software tech and people with tech knowledge. which company are we referring to?? the company that we make the software for (customer company) , or our company? (ones that build the system for other company) (ii) in economical feasiblity …

I have a C++ console project in Code::Blocks and I have set breakpoints to test an error. I have set the build for the project to produce debugging symbols for the debug build. I built it, then when I hit debug it just ignored my breakpoints and skipped to the …

Hi i came up with the following code for my Assignment.It works.What i dont understand was the following code, the rest of the code i did myself. if ( value == 1 ) smallest = randomNum; Why do i need to assign value to 1? Rest of my codes System.out.println("How …

Hi, I'm trying to write a function that enlarges a dynamically allocated array, but I am having some trouble doing so. Here's my code: void enlargeArray(int *oldArr, int arraySize) { //oldArr is a dynamically allocated array int *newArr = new int[arraySize*2]; //copy the elements from oldArr into newArr delete oldArr[]; …

Hi, I am trying to create a programe like this: n1 = NAttrib() n2 = NAttrib() out = NAttrib() NAttrib class can be considered as general purpose attribute. f1 = FloatAttrib(1.0) f2 = FloatAttrib(2.0) FloatAttribute class is like float type but with some extra spices. It has operator overloading functions …

//PROGRAM TO FIND DERIVATIVE(FIRST AND SECOND)OF POLYNOMIAL FUNCTIONS #include<iostream.h> #include<conio.h> void main() { int i,d,coeff[100],degree[100]; clrscr(); cout<<"\nEnter the degree of the polynomial : "; cin>>d; for(i=d;i>=0;i--) { if(i>1) { degree[i]=i; cout<<"\nEnter the coefficient of x^"<<degree[i]<<" (with sign) : "; cin>>coeff[i]; } else if(i==1) { degree[i]=i; cout<<"\nEnter the coefficient of x …

Hi. Sorry for this kind of post in this forum.. But i am in serious trouble and need help. My 6th semester of B.E (computer science) will end on 28th-may-2012 (final exams going on now ) And after that i need to do a major training of 45 days . …

I hav this code here that prompt me for only 1 randomNum.I know i need a second loop.how can i go about doing it public static void main(String[] args) { int ii=0; int value; int randomNum; System.out.println("How many integers shall we compare? (Enter a positive integer):"); ii = input.nextInt(); randomNum …

for (int year = 1; year <= 10; year++){ amount = principal * Math.pow(1+rate, year); principal = amount; System.out.printf("%d%20.2f\n",year,amount); for (int year = 1; year <= 10; year++){ amount = principal * Math.pow(1+rate, year); System.out.printf("%d%20.2f\n",year,amount); // what is the difference between these two?

I am working on a project where i need to dynamically count how many buttons need to be added to a certain panel. Each button press has to change a variable in the parent class and then to excute generation of a child panel which also dynamically generates buttons. my …

I'm working on a guessing game where the object is where the player is given a board of 25 symbols and asked to try and guess the location of 6 hidden symbols. However, I've encountered two bugs whose cause I cannot identify. 1. Regardless of whether the guess is a …

I borrowed this from C#, where you can easily send output, that normally goes to the ugly black console window, to a nice looking Windows MessageBox with an OK button to close after you read your results. You can accumulate your output in a string to send to one message …

matrix operation please help me coding this in c++: - Inverse matrices. - Calculate matrix determinant. - Set a row or a column of the matrix to a certain value. - Calculate performance (time and memory taken by each algorithm).

hi im currently learning about linked list. Ive created a code which is supposed to let you type some numbers, then display them. i did this mostly by using information on the internet(code examples) and such. Hence there are obvious mistakes a bits i do not understand. Here is my …

Hello everyone, for example, I have name.txt file. It contains three lines of text (see below): *Roses are red% Sky is blue% JAVA is cool%* All lines ended with % symbol. I need to count how many every line have characters and which character is repeated max and min times. …

Hello , I'm trying to solve a "known problem" in XPath 1.0 . From [msdn](http://msdn.microsoft.com/en-us/library/bb341675.aspx) : "***Although the ordering of returned collections is not specified in the XML XPath Language 1.0 Recommendation, this extension method returns nodes in document order. Note that nodes are returned in document order even when …

#Administrator Console# I am Making a Noob-Proof GUI Administration Control Panel, and I Have, Log Off User Shutdown (With User Selected Amount Of Time) Quick Shutdown (Shell ("shutdown -s -t 00") ) Reboot Computer and I Need the following: Disable TaskManager Disable Command Prompt Disable internet Disable My Computer and …

Using Microsoft Visual Basic Express 2010 This is the code i used: Dim b As Integer = TextBox1.Text Dim c As Integer = TextBox2.Text Dim a As Integer = b * c MsgBox(a Why does this visual basic code not work and how do i fix it to make it …

so the code is pretty simple. it just loops and if statements. first i have a main. i took the headers and prototypes out to make it smaller. In main all iam doing is asking user to enter command and call one funtion. // main.c int main(int argc, char *argv[]) …

Hello, I'm working on an assignment that requires me to do the following: "A file contains 6 numbers per line and contains several records. Another file contains 3 numbers per line and several records. Write a program to input each of the numbers, find the highest number, the lowest number, …

I need a timer that shows the total elapsed time it took for the user to complete the game. I'm running Python 3.2, pyscripter 2.5.3. I'm using "timer.timer" but I'm having trouble. I want the timer to reset when the user inputs "reset", but still keep a running total in …

Hi, how can i return arguments in my custom native dll like ReadProcessMemory api? For example for readprocessmemory, byte arguments return readed value. Its mixed c# and c++ so if its wrong place to ask, sorry about that. public byte[] ByteOku(uint BellekAdresi, int PID) { IntPtr readHandle = NativeMethods.OpenProcess(0x10, false, …

#include <string> #include <cstdlib> typedef enum {Dominion, Sobeys, Shoppers, Walmart} Store; using namespace std; class Item { private: // name of the item (non-empty string) string name; // number of dollars in price of item int dollars; // number of cents in price of item int cents; // store where …

One of the problems with datediff function is that even if the two dates are 31-12-2011 and 01-01-2012,it will show the difference as 1 year.How to overcome this problem????

//TO FIND INVERSE OF A MATRIX #include<iostream.h> #include<conio.h> #include<math.h> #include<graphics.h> #include<iomanip.h> float A[3][3],B[3][3]; int i,j,k,l,m,n,e,f,g,h; float det=0; void main() { clrscr(); cout<<"Enter the 3x3 matrix :\n";//Enters the matrix for(i=0;i<3;i++) for(j=0;j<3;j++) cin>>A[i][j]; //To find cofactor and determinant for(i=0,k=1,m=2,e=-1,g=2;i<3;i++,e++,g--,k-=g,m-=e) { for(j=0,l=1,n=2,f=-1,h=2;j<3;j++,f++,h--,l-=h,n-=f) { B[i][j]=pow(-1,(i+j))*((A[k][l]*A[m][n])-(A[m][l]*A[k][n])); if(i==0) { det+=A[i][j]*B[i][j]; } } } cout<<"The determinant of …

hello there guys I have attached a picture of the error that I've been receiving in coding my tetris program, anyone here who knows how to fix this? please help me thanks in advance. 

hello! I have a function with the following definition: void functionName(void** a); When I want to call that function how am I supposed to send the arguments?

I have noticed the foolowing details regarding fstream. the following combination of openstate flags do not truncate the files. ios_base::out | ios_base::in | <any flag other than ios_base::trunc> ios_base::out | ios_base::app | <any flag other than ios_base::trunc> the following combinations are resulting in a failbit ios_base::app ios_base::ate ios_base::app | aos_base::ate …

I need to create a program that uses a structure that alocates memory with the new operator. The information must be saved in a file, then displayed. The problem I have is that the program saves only the first character of the words I enter. Could someone please help me …

Hi! I need to disable a key in vb.net, such as the e key. So i would open my application and tab off of it, and go to internet explorer and try to go to google and it would come out as goolg . How would i do this?

I have a half built invoice, but I'm needing to add items in a list to get a subtotal and total. How should I go about doing that? `using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace FinalProject { [Serializable] public class Invoice { List<int> price = new List<int>(); public …

Hello. All i am having trouble with using public ref classes and gcnew. The following code will show you my situation. Vector2 class /// </summary> public ref class vector2{ public: vector2(void):x(""),y(""){}; System::String ^x; System::String ^y; void Position(System::String ^ X, System::String^ Y){ x=X; y=Y; }; }; Add picture class public ref …

Hi all, I am writing a service to get a count from a table on an SQL server. THe SQL box is in the same domain, and the service is runnign under the same account as the SQL box. The box service is running on is Win 2008 in the …

hi guys.... i make a program with Dev-C++ ..... let say my program is already running now .... if i try to open it ... it show me a MessageBox or an output to tell me i can't run it when is already running

Hi, I am hoping you guys could help me with this. I am trying to loop number into something like this. 0 12 345 6789 here is my code: Dim i As Integer Dim j As Integer j = CInt(TextBox1.Text) For i = 0 To j label1.text = i Next …

Hi, everyone. Hope you can help me to answer the question, i am not familiar with recursive function...and i hope someone could help me.. Shift elements means e.g. array[ ] = {1, 2, 3, 4, 5, 6}; if the user input a value, say 2, the array will become {5, …

I'm trying to upgrade my class library to my current mathematical skill set and am having trouble with multi-term polynomials, especially those I where I don't know how many terms the user will be putting in. I know that the formula for the first derivative of a polynomial is ax^n …

I'm trying to upgrade my class library to my current mathematical skill set and am having trouble with multi-term polynomials, especially those I where I don't know how many terms the user will be putting in. I know that the formula for the first derivative of a polynomial is ax^n …

"Add a function to the sets module called issubset with a function signature issubset(set1, set2). Your function should return True if every element in set1 appears in set2. Make sure you document your function fully and remember to include preconditions and postconditions. Also, include some testing for your new function." …

Hi all, I actually need to use a sorted map.So i tried using Tree Map.But the problem is that This works well with sort key having values upto 9. With more than 10 items I see abrupt results with sort key arranged in the order = 1, 10, 11,12,--------17, 2, …

I need Help Here /* Name: Ashley Powell File Name: Employee */ public class Employee extends Person { private double annualSalary; private int hiredYear; private String ID; public Employee(String initialName, double initialSalary, int joinedYear, String id) { super(initialName); annualSalary = initialSalary; hiredYear = joinedYear; ID = id; } public void …

I have an access database from which i have to retrieve data from access database into c# showing tree view in my application. here is what i want to do. I have this access database with the following tables. [CODE] categoryid | Category Name | Parent Category =============================================== 1000 Food …

Hi All, I am quite stuck in an operation where I have to calculate a sum using circular reference. Though in Excel , it's quite easy (or already managed by excel itself) to use circular reference but I am not sure how to implement this thing in C#. The problem …

Hi i had never before used structures, so i am a complete noob ;) . this is a small Part of my programm: struct player { int var1; int var2; int var3; int var4[10]; int var5; int var6; }; struct player p[4]= {{1000,0,0,{0,0,0,0,0,0,0,0,0,0},0,1}, {1000,0,0,{0,0,0,0,0,0,0,0,0,0},0,1}, {1000,0,0,{0,0,0,0,0,0,0,0,0,0},0,1}, {1000,0,0,{0,0,0,0,0,0,0,0,0,0},0,1}}; printf("%d\n"), p[0].var1; printf("%d\n"), p[0].var2; …

 I was tired of always looking for a way to underline labels like in Windows property dialogs. I created this little control that allows you to set a two-tone line above, below behind or in front of a label (even through it!) to solve that problem. The image …

Hi guys, So I'm making a random sentence generator that takes subjects, predicates, etc. from user input, stores them, and then randomly chooses one value from each category and prints it in a textbox. Or at least, that's how it's supposed to work. But I just can't seem to get …

I am downloading content from a web source using URLDownloadToFile winapi function All is well, with that, the content is downloaded to the correct path. My probems start when I try to read it, like below, the loop never exits. myReadFile.open(sFile); if (myReadFile.is_open()) { while (!myReadFile.eof()) { //code; } } …

I continue to use the same C++ libraries for COTS software that we use in my company. Their help files aren't great and when I send queries directly to the company it can be weeks or possibly months before I get a response. This, I think, is a simple problem …

i created a dll file using vb.net then it has a shared function that will execute a stored procedure of mysql but my code is something long and when accessing it, it has a big risk that it can produce an error if there is an incorrect string input, i …

Good evening, How do I need to put string into array characted by character? For example: I have a string "WELCOME". Then I can call command coolarray [ 3 ] and I got a letter L ? Thanks!