Software Development Forum

Hi. I'm new to java programming and I need help with this assignment. [quote]Giving change. Implement a program that directs a cashier how to give change. The program has two inputs: the amount due and the amount received from the customer. Compute the difference, and compute the dollars, quarters, dimes, …

I've been having a tough time trying to figure this one out. Wrote a couple of notes on my phone and ended up with this as a result: import java.io.*; import java.util.Scanner; public class Assignment1 { //Returning if a character is a vowel or not. public static boolean isVowel(char c) …

Hi All I am creating a Visual Basic program for a Movie datbase, but i want to be able to play a youtube video Via the media player option. I would like the user to paste the link in from youtube into a text box, and click play and the …

Hi friends, I am a newbie to Assembly Language programming, I don't know whats the equivalent Assembly code for NASM compiler and moreover is there any compiler available for ubuntu so that I can run my TASM code as it is? Here is my simple code that works fine in …

[CODE]#include <iostream> using namespace std; int main() { int a,b,c, ope; cout<<"enter a value" << endl; cin >> a; cout<<"enter b value" <<endl; cin >> b; cout<<"enter operation (+ - * / and %)"; cin>> ope; if (ope == +) { c=a+b; cout<< c; break; } if (ope == -) …

## Introduction ## Junit is a popular framework to create tests for Java applications. Although individual unit tests are mostly straightforward, integration and functional tests are a little bit more involved because they usually require multiple components working together. For that reason, understanding the life cycle of Junit tests can …

## Introduction ## When localizing your application, `ResourceBundle` can be a great way to load Strings from different locales. The only concrete implementation of ResourceBundle is `PropertyResourceBundle`, which allows us to load static Strings from a text file. Because `.properties` is a common file extension used for ResourceBundles, creating ResourceBundle …

Hi guys im trying to do a Login system in Wpf with Visual Studio I got the code and DB working fine with Windows Forms in Visual Studio I have changed the code 3 times and they all work on Windows forms but not with Wpf Forms. Below is the …

need help with this school project

## Introduction ## When collecting a stream, the `groupingBy()` Collector(`java.util.stream.Collector`) can be used to put data into different groups based on specified conditions. `groupingBy()` is a little bit more complicated to use than [partitioningBy()](https://www.daniweb.com/posts/jump/2280662) because the key can be of any type, whereas with `partitioningBy()`, the keys must be of …

## Introduction ## Whenever we want to modify numbers from multiple threads running concurrently, such as modifying a counter, one of the best options is to use the AtomicX classes. The most basic numeric atomic classes are AtomicInteger and AtomicLong. In this tutorial, we will learn how to use the …

Hello, I need to convert C codes to Java codes.this promram calculates surface areas of a 3D geometry which is read from datas from text file.thanks for help. text file: [CODE=text]12 0 0 0 0 0 1 4 0 1 4 0 3 5 0 3 5 0 0 0 …

hi , I found this code on the internet , I changed and added some lines to it to make it the way I like . I am very weak in using functions and even worse in using classes , I appreciate it if some one can change this code …

Hi, i have this script but cant seem to open the browserframe in the correct place  import ctypes import platform from cefpython3 import cefpython as cef from tkinter import * import tkinter as tk import sys # platforms WINDOWS = platform.system() == 'Windows' LINUX = platform.system() == 'Linux' MAC …

I have MinGW installed on Windows 10. Can you help me compile something with it? I get this $ g++ first.cpp -o first bash: g++: command not found And then $ apt-get install g++ bash: apt-get: command not found

## Introduction ## If you are a Java developer coming to Kotlin, you might have wondered how to use a language construct that is similar to the try-with-resource statement in Java to automatically close Autocloseable/Closeable resources for you. Luckily, Kotlin provides the inline extension function `use()` that provides similar functionality …

## Introduction ## In Java, a common way to express a type that is a combination of two or more types is to just create an interface that extends the other types. The problem with this approach is that your code might be littered with interface declarations, polluting your code …

Debug time Application run good all private sub and Function work properly, but with out debug not run properly please help me

so i have an assignment for a class to make a pick up sticks game. This is the actual assignment: "The rules of pick up sticks are as follows: The user chooses the number of matchsticks (5 to 50) to place in a pile. Then, the computer chooses who will …

Hello everyone, I am currently working on a project for a friend and have encountered some issues. I am attempting to fill out a form with a library called iTextsharp: [url]http://itextpdf.com/[/url] The form that I am attempting to fill out is [url]http://www.copyright.gov/forms/formco2d.pdf[/url] and I have been able to fill out …

Hi all, I've started to dive into OpenGL w/C++ to expand my library knowledge but I had a few questions. I've been following a tutorial online that basically walks step by step through the compiler linking, functions, and basics of an OpenGL program. I really would love to create some …

What I would like to do is to register a couple of shortcuts to move the mouse cursor. The cursor should jump from the one square area of the screen to the other. The question that comes to mind first is: which keys are not used (or at least not …

I'm trying to figure out why the regex code below gives me two different results, depending on where I use it. [A-Z]{0,1}[a-z]{2,}[:] **On phpliveregex.com, the above regex code matches the following:** narrator: Narrator: **When used in preg_match, the above regex code matches the following:** narrator: Narrator: NARRATOR: PS I'm not …

1. Write a program that would print the information (name, year of joining, salary, address) of employees by creating a class named 'Employee'. 2. Create a function in the Employee class that finds an employee by the given year of joining. 3. Create a function for sorting the employees according …

The alarm clock application works by setting a certain time and then it perform a certain task eg:sound an alarm, display a messagebox test message. But the problem comes where i need to snooze(delay) the alarm clock for a certain time period like 10 second... Then it will re-initialise the …

## Introduction ## RxJava 3 includes 5 core classes: 1. Flowable, 2. Observable, 3. Single, 4. Completable, 5. Maybe. This tutorial aims to teach the basic concepts behind Observable, which serves as a foundation for understanding the other 4 classes. ## Goals ## At the end of the tutorial, you …

## Introduction ## In this tutorial, we will look at the RxJava `mergeWith()` and `concatWith()` operators. Amongst others, they are used to combine Observables together. All of the RxJava operators have ambiguous names, and behave differently, so let us take a look at 2 operators, `mergeWith()` and `concatWith()`, to see …

## Introduction ## `launch()` and `async()` are two of the most common coroutine builders to use in Kotlin, but they are somewhat different in usage. `launch()` returns a `Job` object, which can be used to cancel or perform other operations on the underlying coroutine. If our coroutine lambda returned a …

## Introduction ## In Kotlin, we can extend classes without subclassing via extension functions and extension properties. This feature is useful whenever we want to extend 3rd party libraries or final classes. In this tutorial, we will learn what extension functions and extension properties are, and how to create our …

i have code for write on console and change the text color and backcolor and clear screen(and much more) inside of a nice class console. these function change the text color and back color: void SetColorAndBackground(int ForgC, int BackC=0) { SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), ForgC|(BackC<<4) ); } but is there any way for …