Software Development Forum

Dear friends: I need to develop a numerical computation software with a GUI interface like the attachment. I have tried tkinter package, but it seems that it can not resolve this mission. Could you please give me some suggestions about which package should i use to obtain this goal. Regards …

My assignment in my class is to create a palindrome program for any given string. The main function is supposed to call an integer function named InputString that reads the characters of length n and it needs to determine if its a non-zero length. If this is so, another function …

I have a form with dropdowns. Based on that form input you should be able to view the details of multiple employee's in another JSP. I cannot get this to work and when testing, the arraylist employeesList size returns zero. My code is below - can anyone see where I …

I'm trying to convert a Java code into Python. I could adapt most of the code, however, it is difficult to me to link all the functions. The java code is used in Weka. I would like a stand-alone python code. The algorithm in the code is presented in this …

hi, I got a string and it look like : "test : this is a test. for me." How can I remove the first charakters? At this example I want to remove the characters "test : ". How can I do this? I know how to delete from the end, …

I'm looking for a .NET tool/component I can use in WinForms that works like [mermaid](https://mermaid-js.github.io/mermaid/#/) but does not require a browser component. Something that generates an image is preferred.

I used to this code for a splash screen but doesn't run. Please could someone assist. Or help with a link I can check Tkinter splash screens. [code] from Tkinter import * try: from PIL import Image, ImageTk except ImportError: import Image, ImageTk class SplashScreen(Toplevel): def __init__(self, master, image=None, timeout=1000): …

Hello. I'm new to the whole Linux thing and I have something for a topic. In Windows you can produce characters with accents via a shortcut. For example: " followed by e brings forth ë. I miss this in Linux. Somebody told me that I should ask for help writing …

Hi! I need a suggestion for learning Java programming in a best and easiest way.

Unable to open file with fstream. it always seems to jump to the else statement and gives me the error message "Error: can't open input file ". I have included in the header file [CODE]#include <iostream> #include <fstream> #include <sstream>[/CODE] and in the class file i have the following code …

#include <iostream> using namespace std; int rankfun(double left, double right){ int rank; if(left < right){ rank =-1; } else if(left > right){ rank = 1; } else{ rank = 0; } return rank; } int main(){ double number1 = 1.7; double number2 = 2.3; int result; result = rankfun(number1,number2); cout …

I'm trying to learn how to do some simple things with MFC - I'm not used to the toolkit. I want to load a png image from disk and display it at a chosen location in the program's window, but am getting a debug assertion error: atlimage.h Line: 1624 Expression: …

I have a 2D array that displays a table of numbers  I'm trying to populate a my 2D array using these coordinates.  My goal is to place place the number 1 at each of the coordinates. I'm trying to use a hasNext() method to read the txt file …

I have never learn python and i need to write one small program in it. I have C++ code so can someone convert that code to python code ? code: #include <stdio.h> int N; struct { int y, x1, x2; } platforme[100]; int spusti(double x, int y) { int rez …

Having problem in pin code if the user will input less than 4 digit number and a character type..could some1 help me from this.. (@@, #include<stdio.h> #include<conio.h> #include<iostream.h> float choice2(); float choice3(); float ball[11]={1000,1000,1000,1000,1000,1000,1000,1000,1000,1000,1000}; float mypin; float withdraw, deposit; int transaction, myaccount; char transaction1; main() { pin:{ system("cls"); printf("Enter pin …

I am very new to VB.NET. That said, I have developed a windows form that utilizes an SQL Server back end. I am developing using Visual Studio 2008 and the 3.5 Framework. The SQL server is 2005. I do not have any warnings or errors, and the project compiles without …

Hi there! This is a simple pascal program I wrote for a cashier. Please note that this is only a basic level program code and can't actually be used for commercial use. Thanks for reading!

public class Hello { public static void main (String[] args) { System.out.println("My contact number is: "); int srv = 82; system.out.println(srv);

Now I am going through a project with colors. And then I think that if I try to display color values with their names in a simple combobox, it could be amazing. I tried and did it and it is looking like  And  And finally the …

Hi, I try to convert the c code into python it actually complie but no result came out Code in C #include <stdio.h> # include <math.h> double const pi=3.1415926535897932384626433; double const twopi=2.0*pi; double const halfpi=pi/2.0; float cos_32(float x) { int quad; x=fmod(x,twopi); if (x<0) { x=-x; } quad=int(x/halfpi); switch (quad) …

This seems so simple, so why can't I figure out how to do it? All I want to do is have two forms, and if you click a button on Form1, Form2 will load (replaying Form1). In a Windows App. How ???? Thanks for any help.

Hello everyone, I have a code that use function to find and remove all occurrences of a string within a string (substring pending) and return the number of removals: I need to remove "xyz" in "abdxyzdxyz" the result should be "abdd" and a return of 2 removed. I used the …

So its fun when you have questions for hw but neither the teacher nor the textbook show you how to do the HW question. Anyway, I have my base class, a derived class, and class with composition of the derived class. I am not sure how to create the constructor …

Hi everybody!! I want to make a vehivle license plate recognition system in java but dont have any idea how to implement it in java.If anyone could give me link to how use java for image processing,it would be of great help Waiting for reply

Hello, I have a program below where I am selecting a file and displaying the content using a JTextArea. It works fine, but when I add a JScroller, it does not display the area with the scroller. What am I doing wrong? import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; …

I have a file that contains a class, its called test.py. How can i call on that class within another file called xml.py?

If you run the following code (on Windows 7, Python 2.6.5), you should see a light border around a black square and some text below it. How do I get rid of that border? Thanks! [code=python] from Tkinter import * class App: def __init__(self, master): #background frame self.bgFrame = Frame(master, …

compute tax. Please help me out on my tax rate calculation. Really confusing. Create a class TaxReturn with data elds suitable for holding a taxnumber, first name, family name, annual income, current address, and residency status along with the tax rates: For Residents Income Tax Rate 0 - $6,000 Nil …

i have a set of code for a gui that runs using a dictionary but i cant get the code to exit once the user presses the last button named end import sys import tkinter as tk from functools import partial class Situation(tk.Frame): def __init__(self, master=None, story='', buttons=[], **kwargs): tk.Frame.__init__(self, …