Software Development Forum

Hi all, I searching for how to make autocomplete in textbox. however there are list contain fruits name. "Apple" "Banana" "Pear" "Orange" When i type "Ap" in textbox, program will completed the text and highlight the fruit name in listbox. How i can do this. Thank you

Is it possible to store a certain function as a variable? If not, is it okay to make a class, and define a function. Store the class as the variable and invoke that function?

I got bored of revision last night, and decided to have another go at python! So to refresh my memory and have a bit of a practice I wrote a quick phone-book program. I'd be grateful if y'all could give me some tips and ways to improve on it/make it …

Develop a java program for a grading system tha satisfies the ff requirement:\ 1. for passing an exam, a student must pass by a score of 30 or more and assessment of 20 or more to be issued a certificate 2. if a student score a total grade of 49 …

Hi. I have a little problem with my code. I want to cast a complete arrayList to a different type, but java wont let me... Here is a compressed version of what is happening: [CODE] //The interface I use. public abstract interface Drawable{ //some methods } //A class that is …

I run Python 3.x on a Windows 10 laptop and I have a daily routine that involves opening three Python scripts in succession, and running them all concurrently, each one in its own, separate instance of Idle. I have been wondering whether I could automate the entire process. I imagine …

Can someone please tell me how to send data from my program to excel. I have a loop which is iteratively printing values to the console: [code=c]printf("16 Bit:\n\n"); for (n=0;n<numberOfValues;n++){ printf("%.4x\n",rand16()); }[/code] but i need to send them to excel for analysis!! Please help

Hi! I have been developing and distributing Standalone Java Products in my local market for 4 years. My products include, POS Softwares for Retail and whole Sale Businesses and for Food Businesses such as Restaurants and cafes. I use Apache Derby Database which is also known as 'JavaDB' as database …

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 …

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.

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 …

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: …

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 …

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, …

So i have to create a programm that reads 7-49 numbers and makes all posible combinations (6 number each) from the given numbers. Do you know how can i do this? I dont ask for the code ready but i cant think of a way i can create the combinations.

Hi everybody, I'm having a little problem with finding sum of nested list in Prolog. So far what I have is [ICODE] totalSum([],0). totalSum([H|T],S):- totalSum(T,Sum), S is Sum + H. totalSum([H|T],S):- totalSum(H,Sum1), totalSum(T,Sum2), S is Sum1+Sum2. [/ICODE] With first two predicates, I have no problems getting sum of not-nested list. …

So, basically what I'm trying to do is a Tic Tac Toe game for a project. I started with making 3 1-D Char Arrays to represent the game's bord. the code below compares the Arrays data to try and figure out if any of the winning possibilites were achieved by …

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 …

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 …

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

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 …

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 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]; } …

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.

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

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 …

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 …

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 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 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 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 …

i want to call the load event of the form inside the click event of the commant button depending upon certain condition how can i do this?

Hi this is my question , and I have some error in my code ,and I cant correct them ,and I am asking if you could help me ? this is the question : Create a class called BloodDonor that maintains information about blood donors in a blood bank having …

My experience with C# is very very limited and a simple python program like the one I'm trying to convert is beyond my experience in C#. If anyone knows of any converters or is willing to help me out I would greatly appreciate it! class ByteReader(object): """ Reads bytes from …

public bool Kayit_Ekle() { sorgu = string.Format("Insert Into [{0}] ([SERVİS FORM NO],[ÇAĞRI NO]) Values ({1},{2})", sheet, formno,cagrino); cmd = new OleDbCommand(sorgu, Baglan()); cmd.Parameters.AddWithValue("@{2}",cagrino); int etkilenen = cmd.ExecuteNonQuery(); if (etkilenen == 0) { return false; } else { return true; } } Hello there, I am writing recording program with c …

Here is what i get when compiling py to exe using cx_Freeze... I used Admin cmd too... but it keep give me this error.. how can I make it right...please help me with this. C:\Windows\system32>"C:\\Program Files (x86)\\Python38-32\\python.exe" "E:\\New folder\\Python Player\\Setup.py" build running build running build_exe pygame 1.9.6 Hello from the …

After minimize the window disappear from taskbar and i can't set that again as it's looping...Is there any other way to minimize or fix that. watch inline code examples. from tkinter import * from PIL import Image, ImageTk import time from ctypes import windll GWL_EXSTYLE = -20 WS_EX_APPWINDOW = 0x00040000 …

Dear the gurus; I am a developing a small program for voting of about 5 candidates. The program should compute and return the candidates and their total tallied votes. If a voter enters a number outside 1-5 it should count it as faulty vote. I have the following program but …

Visual Tkinter is Python 2.6 GUI builder. Visual Python programming language for advanced Visual Python IDE that offers the possibility. As of December 2008 starting and writing fasting Editor. This software is using Scintilla editing component. <URL SNIPPED>

Hello all! I have an excel file that looks like this: Time of Day Lap Lap Tm Speed 14 - Stoicescu Dan - Regularitate Coupe 9:40:50.835 1 2:47.462 88.763 9:43:37.584 2 2:46.749 89.142 9:46:33.319 3 2:55.735 84.584 9:49:58.901 4 3:25.582 72.304 9:53:13.988 5 3:15.087 76.194 9:55:50.639 6 2:36.651 94.889 9:58:49.884 …

Hi all, I've been having a problem adding a record to an Access database using datasets and da.update etc. I'm trying to create a simple program that displays the records of a database table in a series of text boxes. I've managed to get my next and previous buttons working …

I have been browsing the web for days now trying to find a solution to my problem and have yet to come up with anything so far so I figured I would ask some professionals. Basically I need to read a text file which contains records along the lines of: …

So I am trying to wrap my head around link lists and the theory is there but the magic isn't (at least in my program)... my problem runs with the void traverseRecord() function. For some reason it automatically shows all the nodes. Maybe I haven't totally grasped the concept of …

I programmatically edit my datagridview cell values. I use the vertical scrollbar to find the row I want to edit, select the row then click an edit button that takes me to another form where changes to the record are made. I then click a button which saves the changes …

First - so I don't get in any trouble - I've posted a similar question on other forums but have not gotten any responses so branching out in my quest for help as well as changing the question a little. Previously I was trying to find out why calling LoadUserProfile(...) …

Hi have 2`springboot` applications running on ports `8085` and `8084`. When I try to use `RestTemplate` to try to connect from one service to another, I get a `BadGateway 502` exception. Below is the stacktrace head><title>502 Bad Gateway</title></head> <body> <center><h1>502 Bad Gateway</h1></center> <hr><center>nginx/1.17.9</center> </body> </html> ]] with root cause org.springframework.web.client.HttpServerErrorException$BadGateway: …

Following The New Boston on youtube, he is using is in an if statement and doesnt show any error, on mine I get a syntax warning and it asks if I meant ==, but still displays the output the way it should be.