Software Development Forum

I am working with CSVfile program. I have already calculate something from it. Name,Age,Sex,Pincode,Disease 1. aaa,4,M,35265,flu 2. bbb,4,M,35652,Gastric 3. eee,6,F,35265,Brain 4. sss,7,M,32564,flu I have made program for calculating no. of age,sex and pincode as attached in the code. In this i have calculated that age=4 comes how many times and …

hi can anyone help me . when the user enter the name in a textbox and click the search button, the output should be display in the datagrid... Help plz have to submit my project in 8 days

hello!! i was working on a small software a few days back which allows a user to login through the interfaceand see the topics inside the program. But how toavoid mis use of it??? if a person gives the software to some one else giving his user name and password …

I got error of ArrayIndexOutOfBounds Exception in following code. Please help me to how to solve the error.I also used String tokenizer class. import java.io.*; import java.lang.*; import java.util.Arrays; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.Reader; import java.util.StringTokenizer; public class CSV{ public static void main(String[] …

Hey, i googled around for a solution but seem unable to come up with a reasonable solution to the problem of passing a class as a parameter. I wish to mimic the syntax used in java like below : setPenColor(new Color(255, 0, 255)); Where i can pass a new object …

hi, i would like to assign the value of a combobox to a variable and use this variable as a parameter on the insert statement.see code below,code 1 works ok,but code 2 brings an error relating to wrong datatype,i cant seem to find where the problem because i think i …

I need help with Cartesian coordinates: Write a Java interface named Centered with two abstract methods with no argument: one named getCenterX that returns a double, and another named getCenterY that returns also an double. The purpose of these two methods is to return the two Cartesian coordinates of the …

Hi guys so here is the deal. I am writing a small VB program that will shell CMD and run a command. The problem is that the program being called in CMD needs some enviroment variables. I have set these and they are showing up correctly if I open CMD …

I've written (more like copied) the following assembly code : section .text global main main: mov edx,len mov ecx,msg mov ebx,1 mov eax,4 int 0x80 mov eax,1 int 0x80 section .data msg db 'Hello, world!', 0xa len equ $ - msg I've compiled it with NASM using the following command: …

Can anyone elobrate me about Name Mangling? i tried to get name mangling for the below, struct sample { int a; char b; int a[1]; }; int myfun(int a, int b, int c[], struct a[]) { return 0; } int main() { struct sample Mystruct[2]; int a, b, c[9]; //Trying …

Hey, Guys and gulls i need help with the following asap. I'm trying to code a checkers board in java and populate it with checkers and then paint this onto a JPanel. I then add the JPanel to my JFrame. I am able to draw my checkers board and populate …

This is part of another script, too long for here, but isolating this part, my dilemma is that this works when manually invoked from IDLE, but not when run as a cron job. from datetime import datetime import os # check to see if a log file exists, make one …

Hi, all. I would like to know about convertion from (x, y) to (latitude, longitude)? For Example: In my project(windows form - VB.NET) i have a Panel (control) and have a MouseMove Event then when i moving the mouse it have a location such as: Label1.text = e.X Label2.text = …

Here you see how one could use recursion together with generators for (inefficient) permutations generator. It is kind of interesting to know how one can do it recursively (of course there exist many ways). Anyway this snippet demonstrates how you can use recursive generator call to feed a for statement. …

Whenever I load the object there are these random symbols around the data. public void Save() { try { System.out.println("Where would you like to Save?"); File thefile = new File(Input.next()); FileOutputStream fout = new FileOutputStream(thefile); ObjectOutputStream oos = new ObjectOutputStream(fout); oos.writeObject(list.getRoot()); oos.flush(); oos.close(); fout.flush(); fout.close(); } catch (Exception e1) { …

Please i need to generate report for my application and i don't know how to go about it.pls i will appreciate if u can help thanks

Good Afternoon, I'm having trouble with an assignments that deals with arrays. I'm stuck in the part that says Decide whether the value entered by the user at (2) is in the array numbers[SIZE] or not. So far I have this code #include <iostream> #include <fstream> #include <string> #include <cstring> …

I've been studying up on virtual destructors and how they work and I wrote this little program. I've been adding and removing the word "virtual" on lines 9, 16, and 23 to see what happens. #include <iostream> using namespace std; class a { public: a(){cout << "a::a()" << endl;} virtual …

Please note, this was a request from my job. I am a SQL developer, and I've had just over 2 weeks experience with C#. I have a main thread running on another forum, but I could use as many eyes on this as possible. I have so far only had …

I am creating a recipe program that will allow the user to save recipes in an external file, retrieve them and work out a new value for ingrediants depending on how many people they want this time. However within my code errors keep appearing and I cannot work out why …

I'm having trouble opening a file using fopen in C++. I'm using XCode 4. Here's my code: FILE *f; f = fopen("test.txt", "r"); if (f == NULL) std::cout << "Error: NULL file"; When I run this, the error message gets printed. test.txt is stored in the same directory as my …

Okay, I know some of you are looking at that title and thinking I'm quite daft because obviously I have to have a dataadapter if I have a bindingsource. And you're right, there is a dataadapter, but it's not exposed to me. I've taken over a winforms project (attached to …

I'm trying to create a program where I want to generate all permutations [1,2,3,4] and I recursively generate all the permutations of [1,2,3]: [1,2,3], [1,3,2], [2,1,3], [2,3,1], [3,1,2], [3,2,1] and then put 4 back into the sequence of numbers. For example, with [1,2,3], we get [4,1,2,3], [1,4,2,3], [1,2,4,3], and [1,2,3,4]. …

I just learned C++ style casting and the 4 types of casts. I'm not sure if I'm abusing it though. Examples: typedef long (*stringFromString)(int, char*) __cdecl; //TO: typedef long static_cast<*stringFromString>((int, char*)) __cdecl; SmartSetup((char*)World.c_str(), (char*)",f5", 765, 503,(char*)""); //TO: SmartSetup(static_cast<char*>(World.c_str()), static_cast<char*>(",f5"), 765, 503, static_cast<char*>("")); memcpy(&INH, (void*)((DWORD)Buffer + IDH.e_lfanew), sizeof(INH)); TO: memcpy(&INH, static_cast<void*>(static_cast<DWORD>(Buffer) …

why visual basic compiled program not working where visual studio is not installed

Hi I am currently writing a pool game in java and am very close to finishing it. I am having a problem with the rule of the black ball being potted out of sequence. I need all balls to be potted first before the black ball is potted if all …

I am a newbie to python. I am just working on a program to count number of letters in each words of a sentence. That includes punctuation too. If the sentence is "This is it!" my program should give "4 2 3". First I thought I can convert this string …

Hi Guys [B]I must ask everyone bear with me regarding my idea it needs a bit of explaining before it makes sense[/B] to start this is totally a project in my own time for my own learning and development in programming it is being done for my employer but I …

hello world, i am trying this from last 2 days but unsuccessful . i am trying to make a project in visual basic 2010 which is connected with ms access 2010 database. the database having 4 tables i.e. tblsession, tblcourse, tbllevel, tblstudentregistration. tblsession data: column name column data sessionID -- …

Hey, Is there any difference between the 2 syntax, ie, str = "This is a test"; and strcpy(str,"This is a test"); I think, both of them, malloc some random 200 addresses, and give the starting location of the 200 chunk to the pointer variable 'ptr'. #include<stdio.h> char* str; int main(void) …

Hello Daniweb, I need to write a program to change the extension of all the files in a folder from a certain extension to another. My code is shown below, however, I have one problem: i.e. Say we want to change all files with the extension "*.tx" to "*.txt" but …

I am really confused! My program doesnt work if I dont have visual studio here in my pc. To test it I have uninstalled visual studio. But my program doesnt work though flash player is present there(I have used flash animation in first form). To be more sure about it …

Source code **NASM** on **Ubuntu 12.04** This demonstrates Input/Output algos using syscall and how they can be implemented in a fairly condensed loop. These routine do not conform to any specific call convention and without modification won't interface with higher level languages. My code is stand alone assembly and doesn't …

Hi all, I need some help in how to achieve this functionality....the problem is ... I have some data in my database.On clicking 'generate invoice' , It should gather the data from the sql server and publish it to a document which the user can send it to a company.Basically …

import java.awt.*; import java.awt.image.BufferedImage; import javax.imageio.ImageIO; import javax.swing.*; import java.io.*; public class one extends JFrame { public one() { JPanel p = new JPanel(); JLabel l = new JLabel(); setTitle("ScrollText"); setSize(600, 400); setLayout(new BorderLayout()); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setVisible(true); BufferedImage image; p.add(l); add(p); try { File file = new File("D://Photos//foto(222).jpg"); image = ImageIO.read(file); …

I have just came across a class for the first time ever that does not have variables in any of it's declarations but has them in the implementation. Why is this class behaviour allowed? What are the benefits of not putting variable names? class Testing { public: Testing(int, int, int); …

below is mycode though i have set keepalive, socket connection gets closed after sometime. sb_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM,socket.SOL_TCP) sb_sock.setsockopt( socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1) sb_sock.connect((msg_host, host_port)) reg_msg="REG 0000 "+finder_id+"\r" sb_sock.send(reg_msg)

#include<iostream.h> #include<conio.h> int lg, a; void gi() { cout<< "Enter Lowest Grade:"; cin>>lg; cout<< "Enter Average:"; cin>>a; clrscr(); } void display() { cout<< "Lowest Grade:"<<lg<<"\n"; cout<< "Average Grade:"<<a<<"\n"; } void eval() { char ch; if(lg>=85 && a>=92) cout<<"Remarks: Full SCHOLAR"; if(lg>=85 && a>=90 && a<=91.99) cout<<"Remarks: Half SCHOLAR"; if(lg>=80 && …

I just started c# and I am having trouble with the (get; set;) the program I am trying to work on is employee class that has two objects of two employee's with both having a string first name and string last name. With a monthly wage for both employee's could …

I am having problems with my code. I think it is the print function, but I'm not sure. Everything compiles correctly. Just no output. Any help is appreciated. Thanks Here is what I have: #include <iostream> using namespace std; struct node* tree = NULL; struct node { int data; struct …

# Show # This procedure doesn't conform to any particular calling convention. It is designed specifically to work with other subroutines designed by me. Any of my examples won't be using and standard library functions either. Not because I think they are inadequate, but rather give me complete independence and …

Hello Friends, I need help to disable the parent window form as soon as the user will open the child form.... for eg...consider daniweb...when we click on member login the background form gets grayed out.... Disabling the form is not the option cause it will just disable all the controls …

Hey all, I am new to C# and want to learn it. Can anyone tell me a good book for beginners? Your help is greatly appreciated. thanks. Luckydude

Hello, I'm currently working on a project that basically reads some text and then performs basic Lexical Analysis on the text. I'm having a slight problem with overloading methods. So for example, I have a method that can read in the words from a txt file and another method which …

I have two differnt classes' that extend from the JFrame class. I have a button on one frame that should go to the next Frame, but how would I do that?

Hi all, I'd like to know if it is possible to create a perl script that would take the names of image files with its extension of say 10,000 images from out of a folder and place them into a database table in separate rows to use as sample data? …

Hi, are there any Java book available for some one who has NO knowledge about programming at all? I tried books like head first java, thinking in java but they were no help. Head first java started out with coding and I just knew nothing by reading the syntax. Are …

Good Afternoon, I'm having problems with my school assignment that is about a loan program. Here are the details what the program needs to do. You are required to write a loan program for the Rio Grande Bank. This program will print an amortization table for a loan, given the …

pls can anyone give me an idee where to start

Hi, I am currently working on a java program for class and I cannot figure out what I am doing wrong. Each week I have been creating this java program that calculates sales, total compensation, etc. Well for my final team assignment my group has to take a piece of …