Software Development Forum

I am writing a program which converts a Gregorian calender date to a Julian day number. I am having some problems implementing the portion which includes time. For reference - http://en.wikipedia.org/wiki/Julian_day (scroll to calculation section) My code: jdn_t gregorian_to_jdn_with_time( year_t year, month_t month, day_t day, hour_t hour, min_t min, sec_t …

I have a custom class that consists of patient data. I am pulling data from three different sql tables and combining it into a list of patients. If the patient doesn't exist in the last table then I am inserting the patient into that table. From this last table, I …

How would one express the logic "NOR" in C programing?

Hi friends! I'm looking for an easy way to enable a user of my app to print the contet of a GridView.However, I think an easy way will be to convert it into a Crystal Report or pdf (many people say to pdf is terrible), so, I'd like to convert …

I have a queue class code is given below: struct ListNode { ListNode(int value); int value; ListNode* next; }; ListNode::ListNode(int value): value(value), next(nullptr) {} public class queue { public: queue(); ~queue(); bool Empty() const; int Next() const; void Enqueue(int value); void Dequeue(); void DisplayAll() const; int getP() const; private: // …

how can i draw useing c++?

Hi, I am currently undertaking an assignment for university. I've having quite a bit of trouble with this seemingly simple task, which is to import the data from 2 .txt files into 2 tables within an sql database via python. Here is what I've done so far. This subject is …

Hi, I've just started learning Python and for my first script I wanted to make something that would make life easier and that I would actually use, so starting small I've began working on a Torrent Search script that uses the ISOHunt API. However I've ran into a problem in …

hello, iam a newbie to python, i am trying to execute a shell command within python code and need the output of the shell command to be passed to the same python code for subsequent use. Here i need the value of the string "ListenPort" from the text file /tmp/file.txt …

Hello All! i just created an executable in Windows(xp) and opened it up on Notepad++ and saw some strange comments: > Stack memory around _alloca was corrupted > A local variable was used before it was initialized > cast to a smaller data type has caused a loss of data. …

i am trying to load up my ObjectQueue variable objQueue with a task to run some operations on, and there i have a NullPointerException error. the error happens at: `objQueue[0].insert(Task);` I have declared the ObjectQueue variable in a similar fashion on other programs and have had no problem. sort of …

MVC is something being sugested to us for use in vb .net (by someone who doesnt use vb.net, uses php etc.) i did research on it, and it seems to be more of an asp .net tool and not so much a vb .net tool.. for asp it states: You …

Hi Everyone, I am new to this forum. I am in the process of learning VB.net and have been assigned a project to be written in VB.net using MVC Patterns. I am trying to understand more about MVC Patterns. Can anyone tell me about any articles or preferrably a text …

Boolean eminem = new Boolean("yes"); What does it mean & what does it create? Thanks.

All I'm tryin to do is set this up to show the array in the command prompt screen. everything looks good to me, > C:\Users\Work Time\Desktop>javac SearchSource.java but I keep getting this: SearchSource.java:7: error: <identifier> expected System.out.print(); ^ 1 error Heres the program: public class SearchSource { public static void …

Write a method setRating that reads a rating from the keyboard, insisting that the rating supplied by the user be valid. rating should be 1 to 5; public void setRating(){ System.out.println("enter rating "); int myRating = keyboard.nextInt(); } is this correct? or need to include like this public void setRating(){ …

#include<stdio.h> int dp[20]; int lis(int a[],int n) { int i,j,sum=0; dp[0]=1; for(i=0;i<6;i++) { for(j=i+1;j<n;j++) { if(a[j]>=a[i]) { dp[j]=dp[j-1]+1; } else dp[j]=dp[j-1]; } } } int main() { int a[]={ 5, 3, 4, 8, 6, 7}; int i=0; lis(a,6); for(i=0;i<6;i++) printf("%d ",dp[i]); getch(); return 0; } hi , this is the …

Can anyone help me on this problem, i really have no idea how to do it since i'm new to these stuffs. So please be easy on me. Thanks ! Create the algorithm based on the following requirements: Input: Four grades per student are entered by the user. HINT: accept grade1, grade2, grade3, grade4 …

Hello! I am developing an application for my employer. I am not a programmer but I do it as a hobby. The story is as follows: we have a store that sells lawn tractors and riders. Every lawn tractor has a serial number, product code etc. I am trying to …

i need to restrict the user from inputting an integer and string when inputting a char. I have a method for an integer i just need to adapt it for a char. Can anyone help me with this. char getChar() { char myChar; std::cout << "Enter a single char: "; …

i want to add items from webbrowser to listview i had use these codes to add in text1.text text1.text = WebBrowser1.Document.Body.InnerText now i want to use listview i try this LV.ListItems = WebBrowser1.Document.Body.InnerText but its wrong need lil Help with this code

Hi, I have googled but found nothing about this. I am trying to generate a random number from a given array. But how do i do it? **Suppose:** I have an array `int arr[]={3,89,99,4,55};` and i want to generate a random number among these numbers. thanks in advance.

Hi all, I came to know that in Java or c++, constructor is executed only after the allocation of space.... Then what does an implicit default constructor(in c++) or default constructor in Java does....? If we explicitly define our constructor then the initialization will be done according to our needs! …

Hello, i have a problem with my. I'm a beginner in C# so take me easy. I need to use an integer wich varies from 0 to 255 (trackbar). I don't know how to match the integer with the address of respective char (actually serialPort1 uses string to send) in …

Hello evryone I want to access the **key** of a **particular edge**(for example edge (1,2)) in a **multigraph**, but I am unable to do so. Please help me out here. Any help will be greatly appreciated. Thanks

Hi, I have 1 jframe containing 1 panel. This panel shows data using JTable. I want to put button at the bottom of the panel to print that data in PDF. Can I reduce the size of the JTable? Currently it takes the size as that of the panel. Thanks

I'm creating a jar file of my game to make it smaller and easier to transfer. I was able to created jar file out of my classes and include there images. Question is - how do I include txt file which is used for reading and writing?

Hello, I want to ask if there is any way to play an mp3 file in C# without the use of P/Invoke or winmp dll and the like. I can use external libraries too. It would also be nice if I could "include" the mp3 in the C# project, as …

Hi, I'm haveing trouble turing an array of Card objects into an ArrayList. The main reason I would like to use an array list is because I can then use the get/remove/add methods associated with an array list which is much harder to do with a normal java array. Heres …

public string[] LandsKodComboBox(string[] dendei1, string[] dendei2) { string[] dendei1 = new string[5]; string[] dendei2 = new string[7]; //assign the array dendei1[2]="hello"; //etc etc.... return dendei1, dendei2; } why cant i return both of them? or how do you write? thank you Dendei.

I am trying to create a C struct with a member that points to a 2d array. The compiler generates error messages, and I am unable to find out the root cause. I am basically trying to access a struct member to obtain the value of an element in a …

hello pls i need a kind person to teach me any programming language, any! but i prefer c++, or java. pls i need ur help!!! yes u that is reading this now. thanks

This is the code I have right now : cout << "==============================\n"; cout << setprecision(2) << fixed; cout << "Shelby" << setw(24) << shelby << endl; And this is the output: ============================== Shelby 25.81 But what I'm trying to do is add a "$" sign before the amount while keeping …

I upload my test_maze.txt so you can see my problem. I have some 3 unwanted $ that went up and 1 unwanted $ that went down on my path on the maze from P to T. I think the problem is in line 20 in the def main(): of my …

case 2: System.out.println(); ctr2=1; System.out.println("Select products and add to cart"); for(ctr=0;ctr<nList;ctr++) { System.out.println(ctr2 + ". " + itemArray[ctr] + " " + priceArray[ctr]); ctr2++; } System.out.println(); System.out.println("Enter the number of item you want to purchase: "); int itemPur = Integer.parseInt(a.readLine()); System.out.println("Choose the product you want to add to cart"); for(ctr1=0;ctr1<itemPur;ctr1++) …

Hi, I'm having problems with line 37 in my Driver class. I know that I get that error because, according to Java, the variable Task, in the Driver, has not been initialized, but I do not see how I'm not initializing it. Thanks [CODE]import java.util.Scanner; import java.io.*; public class Driver …

I have a problem with search function by name ,could anyone help me? This my code so far!! Thanks in advance. [CODE] #include <iostream> #include <fstream> #include <iomanip> #include <cstdlib> #include <string> using namespace std; class phonebook { public : phonebook() : MobilNumber(0), lastName(""), firstName(""), pcode(0),Email(""),city(""),Street("") { } void setMobilNumber( …

Hi, i have a dataset with 2 columns. 1 column is in String datatype and another one is in Timespan. Now i want to generate a chart from the dataset. While i'm trying to generate the chart, it has error: *"Series data points do not support values of type System.TimeSpan …

Combining queue and stack link list? hello so here is my question i ave to connect a link lists together, one who behaves like a stack the other like a queue.the numbers used are 11 22 44 77 33 99 66. so the stack link list looks like this 66 …

How to display odd and even numbers from a queue link list? hello everyone i really need some help right now on this program. what this program is supposed to do is copy 11 22 44 77 33 99 66 into a linked list that behaves like a queue. the …

x^2 + S(x)*x - n=0 where n can be till 10^8 interger . and s(x) is the sum of the digits of the x integer. we have to print the value of x for which this equation holds otherwise print -1. my answer is taking too much time with brute …

Hi, After I make a GUI program on my computer nicely, every object in the form often changes in its location and size in different computer. I know it is because the monitor resolution is different and there are several solutions on the web but none of them actually works …

I would like to write Python 3.3 code on my Android Mobile Phone. Are you using any particular app to do this? Is it also possible to compile?

I am in a Fundamentals of Programming class which we are using Python. In the book was a simple code to solve a problem where a cook knows in cups how much he needs but we are converting it to ounces. I was playing around with that and trying to …

hi, my command button sets its function to get the sum of my daily income. And when i click it again the sum will become double (EVERY CLICK) so i want to my command button to WORK by only 1 CLICK. example 10 + 10 = 20 when i click …

I have a vb.net 2005 project that is writting an audit trail to a text file. I would like to format the file name so that it includes the date and time it was created. Such as myfile_030707_1645.txt I am not having much luck doing so. I am new at …

Hi all, Requirement: - I have a perl script that I need to run for several hours, for a performance test. - I would like to create a second script in ANSI C to call the perl script. The C script should be able to parse any of the text …

PLEASE I need help about source code of identifing token in C++

so i was trying to make a binary tree program. just inserting and deleteing. some how i messed up. i think insertion is ok till level 1 after that stays on level 1 only. also the function to delete the whole tree is not working. it only deletes node at …

I want to send crystal report as email Imports CrystalDecisions.CrystalReports.Engine Imports CrystalDecisions.Shared Imports System.Web.Mail Public Class Form1 Dim cryRpt As New ReportDocument Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'Dim cryRpt As New ReportDocument End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As …