Software Development Forum

I just wondering is there any possible way to use rand() in a function to generate a random? #include<stdio.h> #include<stdlib.h> #include<time.h> int get_random(void); int main(void){ int i; for(i=0;i<=5;i++){ printf("%d\n",get_random()); } return 0; } int get_random(void){ srand((unsigned)time(NULL)); int x; x = rand()%2; return x; } I run above code and generate …

please me on how to insert a picture am new to netbeans [CODE]package LibraryDatabase; import static javax.swing.JOptionPane.*; import java.awt.*; import javax.swing.*; import java.awt.event.*; public class PostLibraryDatabase extends JFrame implements ActionListener { JTextField firstName, surName, id, serialNumber, category, dateToday, coverTitle, isbnNumber, authoursName, coAuthoursName, pubDate, loanDate, returnedDate, email, details; JButton writeBtn, displayBtn, …

Hi I successfully wrote a program that keeps sending data from client to server and from server back to client where the client prints the data. But now I'm trying to write one whereby the user enter numbers at the client and they are sent to the server whereby they …

How Can I use Clear screen and jump to next line?? like for example. press enter y for yes and n for no to proceed to next line and next screen.

hey guy n girls i hope one of you can help me with this. plan of action is to : create a python script to... sort a list of files from a directory into sorted list with most recent modified date at the top. then I want to get rid …

Is it possible to call a constructor if we entered know value in the output screen ??? example !! [CODE]import java.io.*; class Employee{ int num; static int count=0; float compensation; public void print(){ System.out.println ("Employee number: " + num + ", Employee Compensation: $" + compensation); } public Employee(){ num …

I am in the middle of a project where I use four different folders containing all .wav files. Depending on the results of a sign on (ID) I want to use one of the four files. I am using the results of that sign in a "if..then" comparison to determine …

Alright I am going to try to put this in the least confusing way possible. I have a form that contains multiple textboxes. These textboxes are initially disabled and their text has been grabbed from a file that has been read in. No problems yet. There are 20 lines that …

hi , i am trying to develop one jsp application with tag concept on netbeans tool. but i am getting this error "According to TLD or tagfile, Attribute uri is mandatory for tag dbquery " . i could not run my application due to this error. In Jsp file i …

Hi, I have a doubt in overriding the methods in java. Sample program For overriding .This program executes fine. [code] import java.io.*; import java.util.*; class one { public void show(){ System.out.println("I am in class one-Super Class"); } } class two extends one { public void show(){ super.show(); System.out.println("The subclass two"); …

Alright, Ive moved onto my next mission. I have to draw a set of four triangles using for loops. I have the first two done, the second two have to have spaces prior to printing the asterisks. example: ***** **** *** ** * * ** *** **** ***** This is …

Hi All I have some image file. and i want to make my own OCR (Optical Charactor Recognised) Software. Please tell me which control i use. Sorry For My Bad English Thanks In Advance

hi to all, can anyone plz send me the source code of apriori algo in vb / vb.net

Hi all! I am making a TimeCard application and I got stucked.. Anyway, the program looks like this: the user inserts date,start hour and finnish hour into 3 textboxes. On the fourth textbox it will show how many hours he has spent. I am using StreamWriter to save the data …

Hi all, I am trying to implement singleton class having static method. my requirement is as below: A.h Class A{ Public : Static A* getInstance(); } B.cpp #include A.h Class B : public class A{ A* A::getInstance() { //some code. Return *A } } D.cpp #include B.h A* pter = …

[CODE]#include <stdio.h> int MyStrlen(const char *si); int main() { char str[] = "a"; char str1[] = "HELLO"; char str2[] = ""; printf("Length: %d \n", MyStrlen(str)); printf("Length: %d \n", MyStrlen(str1)); printf("Length: %d \n", MyStrlen(str2)); return 0; } int MyStrlen(const char *si) { int input; for(input = 0; *si; si++) input++; return …

Well I recently got my new Mac and with previous knowledge of C# decided to start playing about with Cocoa. I am trying to make a simple application that on button press will show in a textbox or label 1 of say 5 sentences pre-coded. If anyone could point me …

when a datareport show, there has a button to print the page manually. I want when I click the button (to show the data report,it will not show), the page print directly. I don't want to show data report and don't click that button (print) in this page.

some data entry in some field. like: ID name amount 01 taher 100 02 kamal 200 01 taher 500 I don't know what data entry in field. in my vb project i have some textbox. I want one textbox show the Id: 01 and other text box show the (total …

Hello, I am working with form having multiple tabpages. I need to set the focus on first textbox of all tabpages. I tried to declare the following when the form loads, but only txtbox1.select() is working. Private Sub frmMaintab_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load txtbox1.select() 'First …

in my project man can entry their income or expenses. like: paper sale, pencil sale etc. they entry it like: paper $200.00, pencil $100.00. they also made a group or category. here they entry paper and pencil under 'sales' group. so every thing depend on user. here I want the …

when i want to link a child command with parent command (in data environment) then show this massage. but i make a relation with same field. then why show this massage. nb: i write sql in command.

Hi all...i'm currently trying to manipulate strings from tokens. may i know how to eliminate a char from a token without splitting it?Below is some code that i tried.How can i eliminate a certain word after the tokens are set? [CODE] package autotextsum; import java.util.*; import java.util.StringTokenizer; public class AutoTextSumm …

Why this code fails.... ? [CODE] String a = "abcd/dgws"; a.replaceAll("/", "\\"); [/CODE] it results in ...... Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: 1 at java.lang.String.charAt(String.java:558) at java.util.regex.Matcher.appendReplacement(Matcher.java:696) at java.util.regex.Matcher.replaceAll(Matcher.java:806) at java.lang.String.replaceAll(String.java:2000)

Is there such a code when activated will create a new window and display a text file? Like e.g. (You open the debug), there is a button. If you click the button, a new window pops up and displays a certain text file on the hard drive. P.S. I am …

Assumming that program name is "XML.java", I need to perform the followings for each input file in command line--without running the code for every test file: java Xml < input1.txt java Xml < input2.txt : So My Code IS: [CODE]BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));[/CODE] [CODE]String fileName = bf.readLine();[/CODE] [CODE]File …

I am trying to assign variables in my array diveScore using a for-each loop. However, I don't understand why it isn't working and every element is 0.0 after the loop has ended. Eclipse is showing no errors so I am sure there is something wrong with my logic. Thanks. [code=java] …

Hi Guys! I wanna ask questions about the code [CODE]Me.hide[/CODE] I have a button to switch between two forms, and I used the me.hide code to perform the action. However When I exit the program, the debug is still on, meaning that the form which I hide is still running. …

i have a piece of code: [CODE] struct myKeyword { string name; int id; }; myKeyword keywords[]={{"include",INCLUDE}, {"void",VOID},{"main",MAIN},{"int",INT},{"float",FLOAT},{"cin",CIN},{"cout",COUT},{"if",IF},{"elseif",ELSEIF},{"else",ELSE},{"exit",EXIT},{"for",FOR},{"while",WHILE}}; int j=0; cout<<keywords[0].id; //not able to access keywords.id part flag=0; for (j=0;j<11;j++) { if (lexeme==keywords[j].name) { temp->assign(lexeme,keywords[j].id); flag=1; break; } } getchar(); }[/CODE] why cout<<keywords[0].id is not working? thanks in advance

How can i demonstrate that inline functions have internal linkage ?

Firstly, Here's my code running in VS 2010 [CODE=c] #include <iostream> #include <fstream> #include <string> #include <list> using namespace std; class Student { friend ostream& operator<<(ostream&, Student); friend istream& operator>> (istream&, Student&); private: int stuId; string name; int gpa; public: Student(int, string, int); int getStudId(); }; ostream& operator<<(ostream& out, Student …

I need to install something called .Net Framework. I have checked several sites on Microsoft and this issue is as clear as mud. There is a file called dotnetfx.exe that is supposed to be able to install the .Net Framework to my Windows 98. (I have an 8K console application …

When runnning scapy from command prompr (windows XP), the output cannot be stored. When the following command is executed in command prompt: scapy >C:\dir.txt The following error shows up: C:\automation\atg\GeneralFiles?_AC\ScapyExe?>scapy >C:\dir.txt INFO: Can't import python gnuplot wrapper . Won't be able to plot. INFO: Can't import PyX. Won't be able …

In C a structure is passed to a function by value. This means that the structure valued is copied for processing in the body of the function. Therefore any changes made to the value by the function would not give any effect on the value of the structure Any idea …

I'm trying to validate a day of the month, so that if the user enters a negative value or a value above 31, the program prints an error message and prompts for another day. The code below doesn't work as expected. Instead, it gets caught inside an infinite loop, printing …

I've a assignment question, A point on two dimensional plane can be represented by two numbers: an x coordinate and y coordinate. Eg (4,5). The sum of two point can be defined as a new point whose x coordinate is the sum of the x coordinates of two points similarly …

hi to all I'm a c# programmer i have a 1 question : how can i send data to controls of other application windows?? for example : how can i send & received message with C# to this windows ??? [URL="http://aks98.com/images/pkwp4j2ye0ze1djpqe07.png"]http://aks98.com/images/pkwp4j2ye0ze1djpqe07.png[/URL] please help me thanks

Hi All, I am getting the below error message when I try to degug my program. The 'Migrosoft.Jet.OLEDB.4.0' provider is not registered on the local machine Thanks in advance.

Write a function whose prototype is string NumberToName(int x); that returns the string of english name of each digit of number x. Using this function, write a main program that reads a positive integer number and prints the english name of each digit of that number in a single line …

Hello, I am fairly new to all this and I am hoping somone can help. I am writing a C# application that requires use of the Clipborad for inter-process communication. C# has methods I can leverage in order to accomplish this: [CODE]Clipboard.SetText(string);[/CODE] Unfortunately, there is an unacceptable delay when using …

[CODE]print divmod(1024, 26) # 39[/CODE] [CODE]print chr(39 + ord('A') - 1) # g[/CODE] but: AA, AB etc, how to convert this to number?

Hello, I have a problem opening Excel file which I have created using a xslt. Actually, I had a xml file which I transformed to an excel file and saved. I don’t know how to open it. Everything I have tried, didn’t work. Please, if someone knows the answer...

I would like to create a simple program, like a game, but so far without any graphical interface. Only a code, supported with some numbers, so that the user will know whats going on in the background. I was thinking of creating a racing game (like formula 1 or sometihng …

For whatever reason, I can't figure this out. I'm getting this error: [quote]error C2082: redefinition of formal parameter 'user' [/quote] In this code: [code=c++] #pragma once #include "Standard Libs.h" #include "Ability.h" #include "Spell.h" #include "Item.h" class Adventurer { private: string name; int level; int xp; int gold; int attack; int …

i had an idea to make my own file formats but... have nearly zero coding experience. the image is just text which a program would parse and receive relevant pixel data from it(like xml based stuff). i wrote up some plan for the file: [CODE] `meta data [(title)test image] [(date)1,1,2010] …

I have a txt file that I need to read into a listview, but I need to read from a specific line in that file. Can someone point me in a direction on doing this. Below is a sample of the txt file to read, 6400,3200,2,95.5,84,76.6,0 1,2,-20,15,0,0,0,"NO",0,0 TOTAL GPM= 6400 …

Im trying to make it so that my menu options that i've highlighted are their own method but i was having issues with returning them so i could use the selection as an int for my switch statement.Any ideas? [CODE]import javax.swing.JOptionPane; public class ConversionProgram { /** * @param args */ …

Hi, total beginner here, trying to learn at home. Just thought i'd get that in. if i have a number eg 123 trying to figure out a way of calculating all the possible cominations 123 132 213 231 312 321 can do it with pencil and paper but don't know …

[B]somebody please tell me why im not getting String(X) value as ID,Name,FName are being printed on console correctly but the name of ID(4) from my DB_table is not going into string(X); [/B] [CODE] package gym.resources.busyicons; import java.sql.*; class OdbcAccessQuery { public static void main(String [] args) { Connection con = …

I'm preparing for my ASM exam and I'm having trouble understanding the concept of passing parameters via the stack. Usually we must use local variables when writing recursive procedures. Here's a little code snippet that I'm unable to test atm: [code] procedure1: PUSH EBP MOV EBP, ESP PUSH EAX PUSH …