Software Development Forum

I want to deploy a database application in C#. I should write a script for creating a database and its tables. The script should work only at install time and setup the database automatically. Or tell me if there is another better way to do that. Actually I wanted to …

I've been programming for a few years as a hobbyist but never actually created anything *useful* or complete. I've done the odd demonstration here and there. I want to get some ideas for software projects that I could work on to help me learn more. They don't even have to …

If i have an array of names char *names[100]; (stored as pointers to strings), how to find the name that appears the most times in the array and how many times it appears. (a) if only one “mode” (b) multiple “modes” I'm thinking of implementing something similar to selection sort …

Hello, guys. How would I deal with a variable that needs to be biggers than an unsigned long long integer? Thank you.

Hello, I've been working on this chat program which has a gui. Basically for now im just pressing start then connect to get a connection. Start is for the server window and if you press connect that will be the client window. I can send messages from the client to …

Hello, guys. This challenge asks us to find the 10001-th prime. Here's my code: // A reasonable approximation is to say that the n-th prime is such that p(n) = n*(log n + log*(log n) - 1). // With that in mind, we can say that the 10001-th prime is …

I am trying to store a value from a selected row from one table into another. My code is as follows. string CustomerID = textBox1.Text; SqlConnection con1 = new SqlConnection(ConfigurationManager.ConnectionStrings["ConString"].ConnectionString); con1.Open(); SqlCommand myCommand = new SqlCommand("Select CustomerID, Name from TableCustomer WHERE (CustomerID like '" + CustomerID+ "')", con1); SqlDataReader rdr …

I've just started learning C++ on Linux. I have written a very small program which compiles but I get run time errors everytime I run it. The code is shown below: #include<iostream> int DoubleOf(int n); int main() { std::cout << "Double of 5 is " << DoubleOf(5); return 0; } …

Is there anybody having a code snippet for using the Bresenham circle algo and modifiying it in a way so that it actually draws arcs with specified start and end angle instead of complete circles? A Bresenham algo for a complete circle in Python would be like this: [CODE]import PIL.Image, …

Based on my understanding, both are doing the same way which also kind of override the methods. Abstract method is, both childclasses are having the same methods, but different execution code. Interface is, whenever the class implement the interface class, the class must write the execution of all the methods …

I have a Task class (superclass) which inherited PracticeTest class(childclass). I'd faced question regarding my pass year question. In fact, we are allowed to declared like this Task aTask = new PracticeTest(); But i wonder why we are doing this way? Thanks for advance explanation.

Just some interesting applications of the bitwise and (&), or (|) operators. You might find some other uses.

how do you write a c++program using the do while and while do loop to list prime numbers between one and thirty

Hello there, I am having a problem with small application. I have used gdb and following error appeared: strlen() segmentation fault. Could anyone help me to find out solution? int main(int argc, char* argv[]){ char* name = malloc(strlen(argv[1])); name = strcpy(name, argv[1]); printf("%s \n", name); return EXIT_SUCCESS; }

I want to get all the vertices from an ARC. I have all the data (for ex : start point, end point, start angle, end angle, radius) which will used to draw an arc but my need is I have to generate all the vertices from the arc data. I …

I am having trouble with my code. The conversion for both Fahrenheit and Celsius will not display, and when I select "Celsius to Fahrenheit", it gives me the conversion for Fahrenheit to Celsius. I'm not sure what I'm doing wrong. I've already searched for help and have gotten nowhere. So …

I keep getting this error message when I try to run ----jGRASP exec: java DomParserExample Exception in thread "main" java.lang.NumberFormatException: null at java.lang.Integer.parseInt(Integer.java:615) at DomParserExample.getIntValue(DomParserExample.java:152) at DomParserExample.getAlbum(DomParserExample.java:111) at DomParserExample.parseDocument(DomParserExample.java:89) at DomParserExample.runExample(DomParserExample.java:35) at DomParserExample.main(DomParserExample.java:177) ----jGRASP wedge2: exit code for process is 1. ----jGRASP: operation complete. Here is my code that I …

Group, I'm converting a text file into a .pdf file using ItextSharp. The code below works perfectly to do this. Unfortunately the default font size is to large. I need to make it smaller. Here's my code: Private Sub ConvertToPDF() ' Converting the Restran text file to a PDF file …

Hi guys I am really having trouble on what to do with my program. We are asked to make a cashier's program and I don't know how to do the the Receipt... I don't know what to do in the order part... how about if the customer will order 3 …

Hey guy,I would like to do a number jumping just like the picture.In the textbox,it will show number "3".When the button is click,the textbox number "3" will change to "2" then click again it will change to "1".How to do it?! I had try this code but useless(i know that …

Group, I'm using `System.IO.File.Move` to move an existing file into another folder. However it the program is stopping at this point with the error message "The process cannot access this file because is being used by another process". Unfortunately I can't find "the other process". For the record, I've also …

Write a program to check the password is too strong or strong or weak & also check the password is validate or not.. you can use code of c/c++ and you want ....

Write a program that accepts three values from a user and print the two highest value and thier sum.

OK, so I've asked a question like this before and I thought I understood the answer (solved) but I am having problems again and I still do not understand why. I am compiling with MinGW. Here's the code: string filename="D:/__GNU analyze/test/bin/Debug/_ClusterFormat/Test2.6d .txt"; fstream file, file2; string cluster="frame"; string line; Matrix …

HI, I have a form1 with datagridview, and same datagridview in form2. both have databindingsource so when I update any data in form1 it should reflect the changes in form2, when both are open. Here is some what could i get, but its not refreshing the data. form 2 load …

I have this in a code: ` int load_snapshot(char *fname, int files) { FILE *fd; char buf[200]; int i, j, k, dummy, ntot_withmasses; int t, n, off, pc, pc_new, pc_sph; #define SKIP fread(&dummy, sizeof(dummy), 1, fd); for(i = 0, pc = 1; i < files; i++, pc = pc_new) { …

I'm using the titled library from http://dotnetzip.codeplex.com/ I've zipped up a few folders and files `zip.AddDirectory(path);` where path is a fully qualified path to the folder I want to zip. When I extract `zip.ExtractAll(AppDomain.CurrentDomain.BaseDirectory + "Zipped");` I get the whole directory hierarchy in the "Zipped" folder. That is fine if …

hai can you please give me in detail how to write a c program for a sensors

Hi im trying to do this project for class on functions. I am little confused on what i am doing wrong. Here is the assignment 1) Write a program to calculate the wind chill. The wind chill is calculated by using the ambient temperature and the wind speed. Wind chill …

plz some one explain in details this code : we have array of 9 cells and 0 present empty locations we want solution of this array (no number will be repeated) also if there is any way to call this functions in main so as the program runs succesfully plz …

I wrote this program that get words from user and if it was entered already it will print you loose but when I the first code crashs but the second code works! why the first code is crashs? #include <stdio.h> #include <string.h> int getword(char *word); int find(char * words[], int …

Hey guys im having a problem in structures.. i dont know how to initialize a an array of 10 contact instances.. plz help me out. this is my question statement.. "Declare a structure Contact that has a name, address, mobile number. Now create and (hardcoded) initialize an array of 10 …

In the below python code, scrollbar for the panel is not working. I have added checkboxes under panel in the 2D for loop. Please help here def GenerateTree(self,event): v1=int(val1) v2=int(val2) print v1,v2 x=v1+v2 print x panel = wx.lib.scrolledpanel.ScrolledPanel(self,-1, size=(1100,1500), style=wx.RAISED_BORDER,pos=(10,145)) panel.SetupScrolling() UEarr=('UE1','UE2','UE3','UE4','UE5','UE6','UE7','UE8','UE9','UE10','UE11','UE12') LCarr=('LC3','LC4','LC5','LC6','LC7','LC8','LC9','LC10') y=0 i=0 j=0 k=0 for i in …

how we can bind DataRows value into list<string>detail sir i am binding values from database then how we can use list<string> for example dr["field"].tostring();

Hi! So yesterday when trying to run a program that previously ran perfectly, I received the error shown in the title and I've no idea why. Nothing that could have caused such error was changed, so I've absolutely no idea what the problem could be. Here's the code the error …

Hi I'm new to this forum and to java, I have some work to do which requires that I have to write a program that reads in a list of whole numbers and that only even numbers in the range 1-100 are accepted and both 'N' and 'n' terminate the …

sir, i have created a global variable on one button click within for loop this variable has many records i want each record to be inserted on another event can it be possible. as string str; button click() { foreach(datarow dr in dt.rows) { str=dr["field"].tostring(); } } submit button() { …

Hi every one, i have been given an assignment, and i need your help in making the programme. The question is Write a program to simulate a lottery game where a set of the lottery numbers includes 6 different numbers from 1 to 49. A possible run may look e …

Hi, I have this doubt i have read that "We must declare c to be a type big enough to hold any value that getchar returns We can't use char since c must be big enough to hold EOF in addition to any possible char. Therefore we use int." it …

hi i have a unknown string in c++ containing "\n" "\t" etc. say; string unknown1="\n\t\n\t\n\n\n\n\n"; now I want to print "\n\t\n\t\n\n\n\n\n" to the screen explcitly other than a bunch of empty spaces.... how should I do that? remember that I don't know what is in unknown1...

guys help me what are the possibly software deveopment to be used if i create an online virtual home designing? c++,java or vb.net? please answer my question..please please

In my windows form, I have a combo box which is populated with (part code)values from my database and I'm finding it hard to set each equivalent (part name)value to a text box which is in the same table. I was able to populate combo box values using the code …

My tables in MS Access doesn't have any change which it did not update the record that I entered in Visual Studio.. This is my code. Private Sub btnSubmit_Click(sender As Object, e As EventArgs) Handles btnSubmit.Click On Error GoTo saveErr RequestSoftwareBindingSource.EndEdit() RequestSoftwareTableAdapter.Update(FYPDataSet.RequestSoftware) MessageBox.Show("Your request has been submitted.", "Thank you", MessageBoxButtons.OK, …

Exercise 11.1. Write a function that reads the words in words.txt and stores them as keys in a dictionary. It doesn’t matter what the values are. Then you can use the in operator as a fast way to check whether a string is in the dictionary. Trying to figure this …

I have downloaded the program from here http://www.tightvnc.com version 2.7.10 and compiled successfully using visual studio 2013. One is the tvn server and other is the viewer. We connected successfully the server and viewer using my friend’s laptop pair with server and client interaction. When the application runs all the …

hi does any one know the RGB values of the standard form in C#.net? how can i get it to be add to the colour pallatte in the C#.net color pallette?

I am trying to implement meeting scheduling algorithm. I want to randomly generate meetings and store it in a file. Then read this file in another code, create different agents who will try to schedule these meetings. My input meeting file is as follows: 1 20 25 [1 2 3 …

Hello Everybody , i have array of size 9x9 i want to write a function to Check each 3x3 box

when I exit a function i get 'general protection exception' -' processor fault'. Function writes to file and works ok except won't exit. What does this mean please, and where should I look ? Am using Turbo C 4.5 & Windows xp. Must be overwriting memory somehow I suppose but …