Software Development Forum

Hello all, I am fairly new to Java, and have had a terrible time with arrays thus far. I am attempting to complete a project using arrays to store inventory items (item number, name, unit price, and unit numbers) and need to output information using an array to hold the …

Hello, i have some problems with my c code, could you help me? it's returns randomly numbers for averages. #include<stdio.h> #include<stdlib.h> struct Student MStudent(struct Student std); void CalcAvrg(struct Student std); struct Student{ int mark[5][5]; }; struct Student MStudent(struct Student std){ int i,j; for(i=0;i<5;i++){ for(j=0;j<5;j++){ printf("%d. Student's mark for %d. exam …

Hi I'm trying to create a script in powershell that finds a string in a file and then modifies it but I'm having issues matching the string I want. So, I'm trying to make sure that I can find this type of string |d where d is is any digit, …

QUESTION:You are required to write a program that performs syntax checking for a given computer program Hey Everyone i need your help badly can anyone please modify my code below against the following rules: • The code always starts with begin keyword and ends with the end keyword • The …

this is what i have so far. public class PersonalInformation{ /* =================================================== ===== Challenge 6.1 - Personal Information Class ===== ====================================================== Design a class that holds the following personal data: name, age, and phone number. Write appropriate accessor and mutator methods. Demonstrate the class by writing a program that creates …

I came across a KMeans implementation in Java. The number of clusters generated by the code is 3. But when I tried to change it to 2, I am getting the error: Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 2 Any help is much appreciated. Here is the code: public class KMeans …

I just started using python a couple of days ago, so I am a complete beginner. Basically what I am trying to do is the following. Imagine that I have a string variable such as: food = 'bread' I want to create another variable (integer or another type) so that …

Hi When I run main.py I got this error how can I fix it? I'm using https://github.com/PicciMario/iPhone-Backup-Analyzer-2 / Traceback (most recent call last): File "./main.py", line 44, in <module> from PySide import QtCore, QtGui ImportError: No module named PySide I appreciate your help

Hello all I have a form with two datagridviews. Grid A is polulated with orders from DB, grib B has an empty table with the same column name as grid A. Im currently draging orders from Grid A onto grid B. My isue is that since grid B has only …

How will you guide student??

I 'm building an application to store and retrieve books, but I have an issue with retrieving data from the db. I'm using REST and testing with postman. Everything works OK. Currently I have a series of methods written in Java at the backend like so @Override @POST @Path("/add") //@Produces("application/json") …

Write a Java application that calculates the number of repayments for a loan based on the initial loan amount, annual interest rate and monthly payment. The user enters these values and application uses a loop to display the balance each month after payment has been made. Note that interest is …

Hi there, I am trying to do an exercise from a C++ book. It goes: Develop a program that will move the knight around an empty chessboard. The chessboard is represented by an 8-by-8 two-dimensional array [ICODE]board[][][/ICODE]. Each of the squares is initialized to 0. We describe each of the …

Hello and thanks for reading my post. I need help converting the fallowing Algorithm into working C++ code, and below is what i have come up with so far, what do i need to do to make this compile? Algorithm: PayCalc 1. CaseOf PayCode = "H" Pay = Rate * …

I have written the following Tkinter script: When I run it, the first thing that happens is the File Dialog box opens without it being called. I am expecting the file dialog box only to open when the "Open Document" button is pressed. import tkinter as tk from tkinter import …

[ATTACH=RIGHT]20145[/ATTACH][B]Building your first DYNAMIC Database application. This is Part One of a four part tutorial on how to install and use your database, Part Two will teach you how to build successful connections and Part Three will teach you how to build database interaction and management of your databases.[/B] There …

Hey guys, I want to make a simple program which calculates speed, distance and time. This is the code I used: [CODE] a=input("1)Find speed\n2)Find distance\n3)Find time\n4)Quit\n") while a!=4: if a==1: d=input("\nEnter distance: ") t=input("Enter time: ") print ("Speed: "+str(d/t)+"\n") elif a==2: s=input("\nEnter speed: ") t=input("Enter time: ") print ("Distance :"+str(s*t)+"\n") …

I would like to know what is the difference betn getchar(),getch(), and getche() functions and which should be used in which conditions. Thanks, comwizz. :confused:

I have called Rest API using powershell function but i need to get date entry from all objects like english-and-wales, scotland , northern ireland. using this $list.'england-and-wales'.events.date i will get only england-and-wales details but remaining scotland, northern ireland date i am unable to fetch function Get-Holiday Invoke-RestMethod -Method Get -Uri …

I have to convert a piece of C++ code to Python. Except I can't understand what it's doing. This is the code: [CODE]#include <iostream> using namespace std; int calculate(int values[], int size) { int answer = 0; for (int 1 =0; i< size; i +=1) } answer += values[1]; } …

Would anyone be able to help me, I am trying to make a C++ program which reads values from csv file and prints them(there are going to be three 4 rows, 3 columns). I want to know how can I add the rows (like the sum of the first row …

Can someone help me with this? Write a c++ program simulator that will compute for the average waiting time of each customer in a bank. Also the program will indicate the number of the teller who accommodates the customer.

Hi everyone! Do you know how to create Pizzeria Program using Python and PostgreSQL where it can keep track of the pizza orders and view the order information using Python and PostgreSQL? Technology needed: -Django for the program -Postgresql for database How it can be used: Every time there is …

Create a program that would convert a decimal number to either binary, octal or hexadecimal counterpart. Your program should ask the user for decimal with a data type of a long integer (4 bytes or 32bits in length or having a range of +2147483647 to -2147483648, or 4294967296 if unsigned). …

Hello, I have been trying to get this robot to work out and be able to move around. I am just so confused as to how to get my arrow to get even displayed and moved when pressed by one of the directions to go. One area that I struggle …

Hi everyone, Today i have a question about how can i write one code for all shapes like, ****** ***** **** *** ** * or other shapes like square or tringle. I want to know the difference in every code. Thanks alot.

Hey guys I'm having trouble figuring out how to calculate the standard divination of an array in Java. As you can see I have already calculated the mean, and I know that at the end I will have to divide by the sample size minus 1 (n-1) and square that …

Hello, I'm trying to write data to an INI file, I've got some code to read it: [http://pastebin.com/Jpwf8XJM](http://pastebin.com/Jpwf8XJM). I've tried to modify this code to get it to be able to write to INI files, but I haven't had much success. I know there are DLL's designed for this, but …

I am new at python. How can i translate this pseudocode to python? Thanks... 

Trying to get the last row inserted from a Excel sheet. The sheet is called clientes. I have id, name, description Since ID is auto incremental, I can sort by ID: My idea is: oledbcmd = "Select top (1) * From [CLIENTES$] ORDER BY id desc"; but it does not …

Dear sir, i got a TFT device attendance 3.5 inch and iam using SDK 6.2.4.11 iam using windows 10 LTSC Enterprize 64 bit when running , i created a windows service on it when i try to run it, it does not work and cause an error 1053 :Error 1053: …

Hello, I'm seeking some suggestions for the issue below: Suppose I have multiple CSV files which including header. ID,NO,Date 1,200,2020-02-03 ........................... ........................... ......................... How can I process the CSV files so that each line of one CSV file will map to one object and then send N objects to an …

I thought this would be a great place to post this opportunity for someone to join my start-up which is developing revolutionary technologies. Currently, we're developing software which takes advantage of apple's new Lidar technology. We are looking for a talented developer/ computer scientist to join our team for a …

Hello, I'm having trouble getting a part of this program to work... the update student part is supposed to update/edit student's scores. When i run the program i cant get the bttnUpdate to work in the frmMaintStudentScores.cs. can someone help me fix it? the other parts of the program are …

I created a crystal report in vb.net 2003 that generates invoices. I need to be able to print this report to a Canon copy machine(with four paper drawers), but I can't select the paper drawer to print from at runtime, it has to print to the fourth drawer. I am …

Hi been working on this final piece of the puzzle and it seems like the last step is the hardest. So far been able to stop it from adding multiple items per button click (number of rows + 1) Update QTY count for first item only. Trying to have it …

I have some problem with my code, i can fetching data from database perfectly fine without any freezing, but after the fetching finish and i want to add the fetched data into grid view, the program will freeze even though i already input the code inside background worker. Here is …

I need help in filling array in Pascal with random number. I have 9 empty array ( A: array[1..10] of integer ), and i want to fill the array with integer for 1 to 9 randomly, but one number can only be choosen one time. So when a number (eg. …

I’m trying to create a program that accepts a string of characters, which should be able to perform push, pop and peek. The code is running, but the program only accepts the first letter of the string. I’ve tried many different ways to implement the code, but I’m still not …

Hi dear forum members, I am brand new in C programming and have to program an "X" as homework (see attached picture). The edge length of the "X's" should be entered by the user, ie the "X" should be arbitrarily large or small. Can someone help me with the task? …

I am writing a program that uses a while loop to determine the largest number input so far. I have to input 10 numbers in whole. At the end of the loop, it should output the largest number. [CODE]import java.util.Scanner; public class Largest { public static void main(String[] args) { …

Hello, It appears we started receiving errors similar to the one below since last week on our Exchange Server 2016. A staff member stated he was receiving emails normally on his PC but not on his phone. This server has been set up since November 2019 without any issues. The …

I want to add a try catch block in the CalculateAverageRate method where I want the user to enter grades 1,2,3,4,5 and for other numbers to throw an exception... I would also like to make a constructor with three parameters (string name, string surname, string date_birth) in which string attributes …

i was on the site pyschools working through the exercises, but i dont understand why it wont accept the code i input. [url]http://www.pyschools.com/quiz/view_question/s4-q2[/url] Create a function generateNumbers(start, end, step) that takes in three numbers as arguments and returns a list of numbers ranging from start to the end number (inclusive)and …

I have a database with two tables namely Tblreqs and Tbllib, I used Table A to populate into treeview, i want to use the selected node to fill textboxes with data from Table B. Here are the codes have tried so far, please just new Imports System.Data.OleDb Public Class Form1 …

I got a java programming assignment in where you will ask: 1.) Ask the user to input item name, price, quantity and payment. 2.) Store the responses in the computer's memory. 3.) Displaying the item name, total amount and change. ( PS: Still new to this site, want some help …

Hello guys, It my frist topic in this forum so i hopeI hope you like it?? In this topic we w'll learn how to check internet connection using a simple code. frist make a new project And add a label and timer . second Double click on timer to type …

I just had to look up the WM_ representation for the mouse scroll, so that I can activate my game camera zoom, more freely, rather than using the arrow keys (which was fun at first) So, I tried implementing the WM_MOUSEWHEEL into the message loop and created a switch statement …

Hello guys, I've been playing with Direct2D lately, and found out (from a presentation) that converting geometries into meshes makes rendering a lot faster So, how do I do this? I tried this: [CODE] hr = RenderEngine.D2DFactory->CreateRectangleGeometry(D2D1::RectF(0,0,10,10), &pGem); hr = RenderEngine.RenderTarget->CreateMesh(&pMesh); hr = pMesh->Open(&pSink); hr = pGem->Tessellate(D2D1::Matrix3x2F::Identity(), pSink); hr = …

I neet to build an vb.net app to comunicate to specific Windows app COM object by sending the XML request and then collect the XML response but I have no idea how to do it. Can anyone guide me how to do it? Here is the COM spec: **IPixPosTrans** is …