Software Development Forum

Hi everyone im making a program to keep track of your movies just keeping it simple ! but im having a problem i am writing what movies you have to a text file but i cant append to it every time i write to the text file it overwrites everything …

hello....i am trying to establish a communication between server and client and later to do some communication between them, so first i am trying to establish communication and i see that server gives "segmentation fault" as the output. I am placing the code below, check it out and let me …

I'm writing a code to put names in alphabetical order. The code i've written wont compile as its teling me that 'left operand needs l value'. The lines it refers to is where i'm trying to swap around strins using pointers. I could use some help with this, thanks! [CODE] …

hi, i need a help for making double link list program in C double link list (file.h and file.c) in prototype insert first, insert after, insert last, delete first, delete after, and delete last. this program required in hospitaL you can email me : <email removed> (zip) i need for …

Is there any way to shorten this function by way of an array, list or the like? I've tried various methods (no pun intended) but can't seem to make it work, I'm getting errors coming out the wazoo! I don't want the code, just point me in the right direction.[CODE]def …

This is a part of my quiz program in which i ask the user to input question and 4 options and the correct option after which in new funtion i ask the quiz. but although it is asking me "option-1", its skipping the "Ques-" [CODE]int quizquestion() { cout<<"\nQues- "; cin.getline(stmt,100); …

Ok So I have to create a Date Class that will allow me to return the current day with data members of month , day, and year this is what I have for from my Main() class: [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace DateApp2 { class DateApp …

can someone help me and tell me what is wrong, I can't figure it out. It is pointing to the line "public class Lab4.24" [CODE]import java.util.Scanner; public class Lab4.24 { public static void main(String[] args) { int i; float sum; i=3; sum=0; while(i<=99) { sum=sum + ( (i-2)/i); i=i+2; } …

I downloaded mysql-connector-java-5.1.18 and put it on my USB drive. I brought my USB drive to school and opened up Eclipse, in there I added an external .jar (the mysql-connector-java-5.1.18.jar). Then I wrote this java code: [CODE] import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.util.Scanner; public class Main …

Hi, I'm seriously guessing here, but since I've seen that some php websites contain java stuff, like a java chatroom, I wonder if I can find a better solution adding some java to my php code. I'm looking for a way to browse and select a folder, or allow the …

So I know of two methods of reading or writing files in java. The first is the read(byte[]) method provided by InputStream class. The second is the readLine or write() method provide by the Buffered prototype. Which is the more efficient one out of these? Which one would you recommend?

So my java pprgram is actually a GUI I did all of it except I cant figure out how to convert between bases example: number=2239 base=3 newbase=4 first i need to convert 2239 to base 3 which would be 2 * 3^3 + 2* 3^2 + ..... then convert that …

INPUT.txt [CODE] 6 p q r s k m 6 ~p|q ~q|r ~p|~r|s ~r|k ~k|m r m [/CODE] right OUTPUT.txt [CODE] ~p|q,~q|r,~p|~r|s,~r|k,~k|m,r,~m p: Resolve unsuccessfully q: ~p|~r|s,~r|k,~k|m,r,~m,~p|r r: ~k|m,~m,~p|s,k,~p|k s: Resolve unsuccessfully k: ~m,~p|s,m,~p|m m: ~p|s,0,~p TRUE [/CODE] My Program [CODE] #include "stdafx.h" #include <string> #include <fstream> #include <vector> #include …

Hello all, I am a little confused about .lib and .dll files. I always thought that .lib files refer to a static library and that a .dll is the dynamic library. Recently, i read that .lib files also act as a stub for a .dll and that the .lib files …

Hi, i've a problem with my codes, when ever i run it, i got an error from the checking i implemented. Can some pls explain why does the error keep coming. [CODE]import java.net.*; import java.io.*; public class EchoClient{ static final int serverPort = 1026; static final int packetSize = 1024; …

Hello, I need to return the areas connected with the town placeid attribute of an XML document. The town placeid is a variable equal to a current page variable $x. e.g. xpath("/country/city/town[@placeid=$x]"); How can I return the areas for each using simpleXML/XPATH? <country> <city> <town placeid="" /> <areas> <area>A</area> <area>B</area> …

This program is to enter the scores, get the grades, and display the result. However, I get a [U][B]fatal error LNK1120: 1 unresolved externals[/B][/U] Does anyone know how to solve this problem? [CODE] #include <iostream> #include <iomanip> using namespace std; // Function prototype void letter(double score, double resultNum, char grade); …

i have created a code for log. it is intended to provide the user with a recent history of various events, primarily used in data-gathering applications where one might be curious how a particular transaction completed. In this case, the log need not be permanent nor saved to a file. …

Hello.. I want to populate my combobox with the list of banknames available in my database.. I tried doing so but i am getting a blank list.. ie.. shows no value in combobox !! Here is what i tried.. Please help !! [CODE]Private Sub ComboBox4_SelectedIndexChanged(ByVal sender As System.Object, ByVal e …

Hello fellow developers, Let me just start by saying I have had an abnormal start to developing. I started first with HTML > PHP > Java. I don't have much experience with Java but I feel quite confident in making PHP applications. I have already searched the forums but nobody …

I have problem with my code. this code in c++ i have to write in assembly. i try to write but it doesnt work for (i=1; i<11; i++) if(i%2 == 0) sum = sum +i mov cl, 02d mov ax, 0d mov bh, 0d check: inc al mov dl, al …

Wrote this for my college open evening just to give prospective students a taste of python. added a little "information" section just to bulk it out a bit (this section is slightly messy i know). Not sure if it works in command line, definitely works in IDLE but the command …

[CODE]RequestDispature red = request.getRequestDispature("xyz"); red.forward(req,res);[/CODE] in this simple example RequestDispature is INTERFACE..! "red" is reference for that , but whose instance it actually holds ??? "forward" and "include" methods are of RequestDispature interface...but where they are implemented ??? in which class ?? which class implement this interface ??? Can anyone …

Hi , I want to run a shell script which is present in another user's id after switching it to that user in the same script. but it is not taking it. I m using the su command for that. [code] su - user1 -c "./${HOME}/script1.sh" [/code] it just says …

I have difficulty to change the following program by using the array. The display need to be like the following: [INDENT]Result 1: 50.00 Grade U Result 2: 95.60 Grade A Result 3: 72.00 Grade B[/INDENT] Can anyone tell me how to do it? Thanks. [CODE] #include <iostream> #include <iomanip> using …

Hello guys, I'm trying to develop a application that calls another exe from my code base. The method to execute is pasted below... [CODE] private void mymethod(FileInfo file) { ProcessStartInfo startInfo = new ProcessStartInfo("jsmin.exe"); startInfo.Arguments = "<fulljslint.js >jslint.js"; Process p = new Process(); p.StartInfo = startInfo; p.Start(); p.WaitForExit(); }[/CODE] The …

Modify the Inventory Program to include an Add button, a Delete button, and a Modify button on the GUI. These buttons should allow the user to perform the corresponding actions on the item name, the number of units in stock, and the price of each unit. An item added to …

I got dinged points for these: Instructor wants 1. The class is divided into multiple methods, mentioned a Constructor instead? 2. The toString method is included in the Card class to return the face and suit. What did I do wrong? How do I fix it? I am pretty lost …

Hello I'm using visual studio I need help making a program where a txt file will be read. my program should read all the test scores in the line and will stop when -1 is entered example input file joshua 90 89 -1 michael 76 80 89 -1 Shawn 78 …

hi, i had created a form with datagrid view , in that a table is linked with MS Access database , i need the coding steps in vb.net

I have been using Visual Studio C++ 2010 Express to do some work, which has now succeeded after a lot of trouble. I wanted to go one step further but it seemed that I would need the full 2010 .NET software to achieve this. I downloaded Microsoft Visual Studio 2010, …

Hello everyone, I have just written some code that measures a system's [URL="http://en.wikipedia.org/wiki/FLOPS"]FLOPS[/URL], but before I wrap it in a class and make a GUI for it, I would like to know what you guys think of it, if you can see any bugs and/or if you got any suggestions …

Hey, Im having trouble writing a function that will take a limited running average from a file. the running average works just fine, its just when i try to limit the input, i just come out to inf. could it possibly be that im using a static double for the …

Ok, I am def a beginner in writing code (use to be ok, but haven't done it in soooo long, so I am very rusty). Let me give a little background about the program I am trying to write before I get to my question so that it makes a …

Can ne1 pls help with how to subtract two large integers stored as an array. i need to do the same for calculating the jacobi symbol. thanks :)

I need help on sorting strings, particularly complicated ones.I had to read in data from a text file Textfile.txt Xiao Wang 135798642 Lucie Chan 122344566 Rich Morlan 123456789 Amir Khan 975312468 Pierre Guertin 533665789 Marie Tye 987654321 I managed to put them into an array using this user-defined function (not …

Anyone can help me with this algorithm? 1 set up stack in and print it 2 while stack in is not empty repeat 2.1 max = in.pop 2.2 while there are still element in stack in repeat 2.2.1 value = in.pop 2.2.2 if value > max 2.2.2.1 temp.push(max) 2.2.2.2 max …

[B]Hi I would like some helpful hints on how to make a program to: 1)Create a Binary tree 2)Traverse said tree in Preorder form. Thank You [/B]

hello, im working on a file transfer program but a cant figure out how to make the main function work, i have spent hours on Google trying to find a solution... but i cant. Now, as you probably have guessed: the main function is to transfer files over the internet, …

I had managed to let users upload the image and save into the database and the folder. I need to generate thumbnail from the image and save into the database and the folder as well. But there is some error with generating thumbnail. Can someone help with me with it? …

Hi, so I'm new with Java and the programming thing. Here's my problem. I need to do an errortrap without using a loop and creating a method solely for errortrapping so I figured i need to use try and catch statements but I'm not sure how. Basically my problem is …

Guys I have been creating a program that copies and moves files from folder to folder; I am using this sort of code; fileToCopy.CopyTo("path here...") or FileToMove.MoveTo("path here...") My problem is, when I am copying or moving a large file, It's taking so much time and my program is hanging …

Hi, i want the difference of time between clicking two buttons in a label. i tried most of the things but not working for me. could anyone provide me the exact coding for this. There are multiple coding already there for those buttons however i want to use it to …

Here is what I have to do. this code needs to be modified to be able to enable the user to select a file in which to store grades. The application should allow the user to write any number of grades into that file and it should write one grade …

Hi, I keep getting the error message "Missing return statement" after my if else controls. I have return controls, I'm just not sure if I can implement multiple returns. For example, I am trying to create a method in which the middle value of a sequence of numbers is returned, …

hi, I wanted to get the directories in a specific path and I wrote that by threading programming but when I call [CODE]waithandle.waitall(mywaithandles)[/CODE] , I get the unhandled exception of type 'System.ArgumentNullException' occurred in mscorlib.dll Additional information: Value cannot be null. error. Can anyone help me what to do ? …

Hi, I am a complete newbie when it comes to programming, the only real knowledge I have was when I created a program 3 years ago in Visual Basic. I guess I know the theory behind programming concepts but have no idea what to do in Java. Not sure if …

I'm trying to do an analysis of buildHeap vs. inserting an array of n values one at a time into a heap. I have a random case, best, and worst case. I was wondering if anyone knows what would actually be in an array to make the best and worst …

Another newbie question here. What's the difference between these two? [CODE]cin.ignore(cin.rdbuf()->in_avail(), '\n'); cin.ignore(numeric_limits<streamsize>::max(), '\n');[/CODE] I understand that the former will ignore only the characters [I]left[/I] in the stream buffer, while the latter tries to ignore characters equal to the [I]size[/I] of the buffer. So the end result should, normally, be …

Hi, I am trying to make an array to read txt files. I have hard coded it to 3 for the array but I would prefer for it to be able to read the txt files to see how big the array should be. I have implemented some code to …