Software Development Forum

I have a wx.DatePickerCtrl with the dropdown popup window that allows the user to pick a date from the calendar. What I would l like to have my program do is process an event when the user has clicked on a day in the dropdown calendar. Unfortunately the only native …

I managed to get the value of an enum via reflection. I have to use reflection since I have different objects with enums in them. But how do I get the name of the enum? Let's say I have [CODE] enum MyEnum { A, B } [/CODE] I can get …

I am trying to understand the SynchronizedMap and I ran the below code. I get the below Output with an exception. According to my understanding the exception is caused when the get() methods are trying to access the syncmap when a thread is still executing a write on the map …

This is my custom module: [CODE]class Player(object): def __init__(self, name, score = 0): self.name = name self.score = score def __str__(self): rep = self.name + ":\t" + str(self.score) return rep def ask_yes_no(self, question): response = None while response not in ("y", "n"): response = input(question).lower() return response def ask_number(self, question, …

So, the title may seem confusing so hopefully I am able to explain myself better via the thread body. I am developing an application for a friend that wants to have a blue light reducing effect for his every day browsing. I have been able to accomplish the task by …

Hi. I have a .raw file and I want to display it as hex. why? because i want to try and replicate what 010 Editor can do which is read any sort of file and display in whatever format user desires (plus it can be used to edit and stuff) …

I was wondering what would be the best way to implement an algorythm to figure out what side a circle has collided with a rectangle? After check to make sure a circle has collided with the rectangle im trying to figure out how to know what side of the rectangle …

At the beginning welcome all. I have a big problem and I can not deal with it. I would like to refresh dategridview after adding and editing data. I try to add ShowData() function on closing Form2 and that didn't work. Thanks for any help or advises :) and link …

In the below code about the synchronisation between threads, according to the output generated why is the control being transferred to the execution of the new thread despite the lock being acquired for the same object "dt" in the main method ? public class DemoThread extends Thread { public DemoThread() …

I am trying to run the below concurrency code: import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.TimeUnit; public class TestThread { public static void main(final String[] arguments) throws InterruptedException { ExecutorService executor = Executors.newSingleThreadExecutor(); try { executor.submit(new Task()); System.out.println("Shutdown executor"); executor.shutdown(); executor.awaitTermination(5, TimeUnit.SECONDS); } catch (InterruptedException e) { System.err.println("tasks interrupted"); } finally …

Hi, I am testing a Tcp client C# windows form application I am able to send data to Tcp server Software(Hercules 3.2.8) But when i sent data from Tcp server to windows form then i am getting the following error: System.InvalidOperationException: Cross-Thread operation not valid: Control 'MessageList' accessed from a …

I want to add text into icon of the listView , how do I write the code ? You see the image file attached, for this example I add the word "special" color green. http://www.mediafire.com/view/ieaac6fe58wo4ye/GianhRieng.jpg

Greetings I'm fairly new to python, and I know that this is possible but I'm having trouble with syntax: I'm reading a file from the command line and putting it's contents into a dictionary. Keys are repeated in the file, so the values must be placed within a list. In …

Hey, what's up guys, Can anyone explain what ADT is? How do you know when you are using it? When? Why? I mean, in a simpler way than some books define it. P.S. I am not even sure if my questions are valid :D Thanks!

Im working on a one huge project that is combination of many sub projects which is talking to eachothers and they all use apart from data base whice responsible to manage user's account i dont want to work with one database so i have to isolate each project's database and …

Hi Guys, Im currantly having a problem with simulating balls bouncing of each other in a 2d space, everything is working and all, but it just doesant seem natural for me... If we had any math wizzes here now is your time please:) my circles are painted inside of rectangles..... …

Hi I have made a desktop application and i have to print some data to printer.For this purpose I have done my code and ran it successfuly and test on xps doucuments and on oneNote . I have no physical printer but i am satisfied by testing it on xps …

I want to make a game that allows users to make a log in which requires them to make a username and password,I will then give them an option whether they woul like to register or log in.This is where I am stuggling as I dont know how to save …

Hi Guys Its me again, wasnt sure if i should start a new thread so i just did :) I completly redid the code Now im having a problem with the renderer again. It called called in the timer of the controller class... but it doesant get called? Also my …

I have to create a program that asks a person to enter numbers (1-99) and convert it into words. I've been working on this for days and I still don't see what I'm doing wrong! PLEASE HELP ME!!! I get an error on all the case numbers and I dont …

1- I want to edit the search code where I search all the fields with no repetition of the data 2- And modify the deletion code where it deletes and saves the data all code Imports System.Data.OleDb Public Class Form1 Public con As New OleDb.OleDbConnection("provider=microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\web_database.accdb;Jet …

Hello, I'm writting a program to create a "Snake Game" in C#. What I want to do, is to constantly call the FOrm Paint Event Method to draw the snake and fruits in the form. I added a Timer that will call the Paint Event Method every 100ms. The thing …

I'm jumping into Python/Django, and have been hitting some speed bumps. I'm a somewhat novice programmer. I know the basics, but haven't done anything more than create a PHP webform, and build very simple websites. I have a thousand questions about Django (most centering around Views and customizing the Admin, …

Currantly trying to make a simple game but i cant get the renderer to repaint. My problem is that i used to make everything in 1 class... much simpler. But now im just not sure anymore. This is what i have so far... it just wont repaint. (Note i have …

Hi! I have developed a desktop application in java. Now I want to do payment integration with this app. Actually I have to do payment integration for first time in my life. So i have some questions/confusions for payment integration. But before asking those questions I tell you that what …

Hi can anyone help me fix my code, i keep on getting erros and option 4 for my main menu will not work. Problem asks: Write a program that can be used by a small theater to sell tickets for performances. The theater’s auditorium has 15 rows of seats, with …

Hi Guys Just starting to make my first java game, im getting a few errors. Im just trying to figure a few things about about the game loops before i get started and this is driving me crazy when i just call the renderer to repaint after i initialize the …

I have a file where I must find and delete a string, which in this case is called 'queue'. After I delete it, I must then delete all the following lines until a '[' character is found. I can't figure out how to do this, being a newbie in python …

my c++ code is giving error syntax declaration int hang(void) { const int maxl=80; const int maxt=5; int lfill (char,char[],char[]); void unitunknown (char[],char[]); int m2(void); int m2 () { \\the syntax declaration is here char unknown [maxl]; char letter; int nwrong=0; char word[maxl]; char words[][maxl]= { "india", "pakistan", "australia" , …

The present code snippet just does an especific task. This is, given an ordered sequence of natural numbers, starting at zero, generate all the different permutations there can be. When we talk about permutations, the order of the sequence does matter. So, the sequence 0, 1, 2 differs from 2, …

LoadLibray returns 0 when I'm trying to load a dll file. I'm using Visual Studio 2017 #include "App.h" #include <windows.h> #include <iostream> using namespace std; typedef int(__stdcall *f_funci)(unsigned char, unsigned int); int main(int argc, char **argv) { SetDllDirectory((LPCWSTR)L"C:\\xmrig-master\\build\\Debug"); HINSTANCE hGetProcIDDLL = LoadLibrary(L"asm.dll"); if (!hGetProcIDDLL) { cout << "could not load …

for example, i have this code def awal(): a = 2 def akhir(): print(a) awal() akhir() well i got error that said a is not defined? i used global, same error use return, same error any idea why?

Hi guys , is me again ! I get stucked on this question Write a program that read an integer and display its smallest prime factors in ascending order. For example, if the input is 60, the output should be 2,3,5... I came out with below code, but I get …

I have a powershell script from PRTG that will ssh into a juniper device and allow me to exicute a command. I am trying to run "Request System Storage Cleanup" which works but the problem is the session asks for conformation of the clean up. Adding a carriage return and …

I'm trying to run a project that uses Django and uWSGI in a Docker container. But I'm new to Docker and uWSGI so I'm not quite sure how I'm supposed to do it. At first I build the project with the below command: docker build -t saleor . Then I …

I am trying to make a windows form application using Visual Basic 2017. I want to display messaged using a label and a Next Button and a Back Button. Every time the Next Button is click I want the message to update and change to whatever you put in your …

Use a **for** loop to find the smallest integer n such that n^3 is greater than 1000 So I came out with below code public class Chapter4 { static int n = 0; public static void main(String[] args) { for (int i = 1; Math.pow(i, 3) <= 1000; i++) { …

I am working in vb.net in that i need to get all the data of gridview column number2 and store it into dictionary. please give a solution it is urgent

Hello, I'm new in java programming, i have insert amounts in database in this Format exp : 1.100.200,00 but the subtraction of this amount give false result . here is part of my code DecimalFormat df = new DecimalFormat(); DecimalFormatSymbols symbols = new DecimalFormatSymbols(); symbols.setDecimalSeparator(','); symbols.setGroupingSeparator(' '); df.setDecimalFormatSymbols(symbols); statement = …

hello please i need help, am writing a project to check if a particular folder exist in client system , if not let it create it, but if found let it delet it from client side immediately the client visit the site. i try this on my localhost it work …

Hello, I am supposed to write a code in MIPS to do the following below. Basically, you enter an integer, and it should check to see if it is a palindrome, and if not it will output the number, and keep adding the numer backwards to it, outputting it, and …

So, I've created a program that when a user inputs a type of vehicle, it will print how much will the user pay for their fare. Here's what I have so far: How do I call the methods Vehicle, Vehicle1, etc.. so that I am able to print the fare …

hye Friends, I installed my c# app. with crystal reports , all is fine but when i want to generate crystal report , rises DATABASE LOGON dialog box. and asks Log ID and password.. Please, help me....

Write a program that displays all numbers divisible by 3 and 4 within a range entered by user. Display five numbers per line. Numbers are separated by exactly two spaces. This is my code public class Chapter4 { public static void main(String[] args) { Scanner input = new Scanner(System.in); final …

I have a question about the dining philosopher problem. This is not about homework. I seem to have solved it, does it actually relate to anything? Is there any software that actually requires it?

Visual Studio suddenly close when i open crystal report right click on page and design>page setup i try many time result is same please help me please.... please help me https://ibb.co/iBfiaG I used --- vb.net-2010 sql server 2008 r2 crystal report 13 OS windows 8.1