Software Development Forum

I've been learning python and I'm almost finished and I'm learning about oop. I have a question, is it possible to make a looping menu using oop on python (Not using Tkinter, WX) without having to key in the object. I learn better through playing around with what I've learned …

Hi, is any of you guys aware of any online java project I could join in and help? The thing is, even if I still have a very long way to go before I can code pretty decently, I'm a bit tired of learning with exercises, and I thought perhaps …

Hi! I'm sitting with a gui bug that I have been stuck with for a while. When a "view" is changed from one "view" to another, the new "view" doesn't get painted properly. The previous view is visibile randomly in the background. I can't reproduce this in the dev environment …

how to add numbers with out using any arthematic operators in c

If you develop for Android, what do you use to do so? Do you write your apps in a MS Windows environment and then drop it into the Android environment? Or, do you do all of your coding on the Android tablet itself? What do you do, how do you …

Fair warning - I'm still learning so this might be a very newb like question: What I'm trying to do: I'm trying to import a python file into a Tkinter window and run it when I press a button. Eventually I'd like to display the output of the imported script …

Hello, I wonder how it would be possible to get text from a datagridview in another form application? The datagridview has 5 rows and 5 columns with text in each cell. I know that this could be achieved with windows API but googling around I have not understand how to …

I am trying to return a pointer from a function and use the return in a different function . But I am getting memory leak. Please help. The test code which I wrote and detected with memory leak by CPPCheck. ######################################################################## # include < stdio.h > # include < malloc.h …

Hi guys, Today I had a look at files and therefore I’d like to create a GUI application that allows me to type a sentence or a word and store it to a text file. The reason for this is that, when I come across an interesting word or sentence …

I have a windows form application, which uses some user settings (Settings.settings) One of those settings if of type bool and set to default of False. In my form_load event I check that value, if it is true then a new form is started where user enters a password, and …

Hi i really want to set the window position of my console applicaton I've managed to find Console:: SetWindowPosition bu using google but cant find how to use it... [URL]http://msdn2.microsoft.com/en-us/library/system.console.setwindowposition.aspx[/URL] This link shows an example. But it wont compile I'm guessing its missing header files, what are they? I dont …

I have a main application (web application) that consumes various other project (directly and chain). One of the projects happens to be Project named Parser. Parser project contains a dll, which is not refered as it is native dll. Properties of the dll file says Build Action: Content and Copy …

Hello guys. I have a school assignment and Im having a trouble doing it. I will ask for help. I have a class Product and I need to make 2 subclasses Chocolate and Whine. Each product has a name, barcode, price and tax. Each product has a method for calculating …

I have a program that will connect to mysql server , now how to do for this work? What settings should I do on a mysql server?

ID Arrival Departure ArrivalDate DepatureDate 1001 New York Holland 2009-09-23 2012-07-23 1301 Florida Germany 2010-10-23 2012-10-11 1401 New York Holland 2009-09-23 2009-09-25 1301 New York Beijing 2009-09-23 2010-09-21 1201 New York Holland 2008-01-01 2009-09-23 1001 Virginia New York 2008-01-01 2009-09-22 1021 New York Holland 2009-09-23 2009-09-25 1001 New York Holland …

I basically am working on a final project for JAVA and I cant figure out how to move the strings into the paint class. Here are my 2 codes. import java.util.Scanner; public class FinalProjectQuestions { public static void main(String []args) { Scanner in = new Scanner(System.in); System.out.println("We will design the …

If I wrote a program which would `Console.WriteLine()` a base64 code, like an easter egg ("a hidden secret" in gaming jargon) or something, for example string EasterEgg = "dGhlYmlnc2VjcmV0"; Console.WriteLine(b64d(EasterEgg)); And I would let a good obfuscator run through it. Now I know that crackers with enough time and knowledge …

Hi I have a method that accepts a List<String> param as a parameter. I'm writing a JUnit test which needs to be able to accept the parameters as a String and then it needs converted to a List<String> The JUnit code is: public void testMethodName(String params, String expectedResult){ final String …

Hello DaniWeb Community, I have a question about changing the symbol of my tracker. I am using google.maps.SymbolPath.CIRCLE Can I change this to a image of mine? jpeg / png file If yes, How I can do it? Thank you and God Bless -Tap

i need help in adding a new record to the database using adodc in vb6.. i've a command button named add in my form...

Hello, There is a post request coming to my portal and I am fetching IP address from the post request on my portal landing page(INDEX view in MVC) and saving in DB table. below is the code to fetch IP address. string Device_IP = ""; if (!string.IsNullOrEmpty(Request.ServerVariables["HTTP_VIA"])) { // ' …

I am facing a problem that I have to show database results from 3 different tables on a single report these three tables have are used for different purposes and want to show their headings details separately. I am using VB6 and designing this report in **DataReport** a common feature …

I am developing a sample project in Visual basic 6 and MS Access 2003. 1. I wish to print Invoice in Continuous statonery (Roll Paper ) width of paper 5.5 inches I am using printer.print Code using (x,y) co-ordinates My problem , after printing one bill printer skips and giving …

Hi just wanting to see how you can iterate over a hashmaps entry set checking both the key and values, if either matches the string passed it will return the other (if it matches the key it will return the value, if it matches the value it will return the …

i made a form with datagridview which get its values from excel file and make some changes on its columns to prepare it to be saved in sql database so i need your help to compare one datagridview column with listbox items and get the result in another column for …

I hot the following program from the book 'C++ For Dummies' but have two questions about it. First I compiled the program but I'm afraid to run because the memery created from the heap does not appear to me to get de-allocated. Am I correct in not wanting to run …

Hello, I'm 100% new to C++ and someone recommend Code::Blocks as the best IDE for coding in this language. However when I try to run my code: [CODE=c++]#include <iostream> using namespace std; int main() { cout << "Hello world!" << endl; cin.get(); return 0; } [/CODE] I get the following …

Hello DaniWeb Users/Programmers, I don't know if I post this on the right thread but I already post in Linux and Unix Thread but the cause I try ask in here is because it is programming related. I am a window user but trying to use linux for some purpose. …

Hi, I wrote a method that accepted a parameter and used a hashmap to return the value for that key. However I have been asked to change the way it is written so that code isn't duplicated. The hashmap used has key value pairs such as 'X', 'Y' in one …

Hello! There is another problem which I am facing in JDBC, is Insert statement. I am giving code of my program and explaining my problem . I am using ms access and netbeans 8.1 package database2; import java.sql.*; public class Database2 { public static void main(String[] args) { try { …

I have the following code: lista_cosas=[] class cosa(): global lista_cosas def __init__(self,color): self.color=color def operacion(self): if self.color=="verde": lista_cosas.append(cosa("azul")) else: lista_cosas.append(cosa("verde")) c=cosa("verde") lista_cosas.append(c) n=0 while n<10: n+=1 for cosa in lista_cosas: cosa.operacion() and it gives me the following error: Traceback (most recent call last): File "C:/Users/elster/Desktop/Cancer modelling with python/recursive_test.py", line 21, …

i am new to queue..can somebody help me on this.im stuck at selction 2,3 and 4 #include <iostream> #include <queue> // Queue STL #include <time.h> using namespace std; int displayMenu() { int menu; cout <<"\t\tQueue Numbering System"<< endl; cout <<"`````````````````````````````````"<< endl; cout <<"1. Generate queue number"<< endl; cout <<"2. Get …

I'm pretty good with Java but I would like to learn to create interesting things with C++ or C. At the moment I have to ask: Why do all of these IDE's and libraries make it so damn difficult to set up an environment for programming? Personally I believe programming …

After you have the appropriate infix to postfix expression how would you do the math with the expression? I'm having difficulty programming it. // Operator supported: +,-,*,/,%,^,(,) // Operands supported: all single character operands #include<stdio.h> #include<conio.h> #include<ctype.h> #define MAX 50 typedef struct stack { int data[MAX]; int top; }stack; int …

Hello and how are you? I am trying to fix the nested loop called the clock to go from 0:0:0 to 12:59:59 but I am keep getting infinite loops of 0:0:0 on mars/mips Here is what I have: .data str2: .asciiz ":" space: .asciiz "\n" .text main: li $t0, 0 …

I am making a multiple choice quiz in vb with the questions and answers stored in an access database. When trying to display the question and answers on my labels, they don't change. Here is my code: Imports System.Data.OleDb Public Class Football_Questions Dim con As New OleDbConnection Private Sub Football_Questions_Load(sender …

I am trying to iterate through a string and save the characters in a character array. It iterates perfectly and prints the characters but when I try to save the characters in the Array or in a List, it gives me NullPointerException. Can anyone point out the mistake I am …

so i am working on this table that have buttons combobox and checkbox... i did all of that and i am left whit one this i button that can add a icon in IMAGE column in the same row her is my main private JTable tb; private String[] comboData = …

Hi I m currently working on windows application that is loading electoral roll pdf file. What I m trying to do is to get the data as per Sr. No., Epic No., Name, Father's / Husbands Name, Age, Sex, House No. and pincode. Data is available in 3 columns and …

Hello, I'm trying to create a data area within an .exe file. Then I will open the .exe file and scan it for the data area. When the data area is found, I will write some data to this data area and write the .exe file back to disk. I …

Hi today i noticed that this program [below] wont print the correct value and it always print 0.00000 #include <stdio.h> #include <stdlib.h> int main() { float S; int n; scanf("%d" , &n); S=1/n; printf ("%f", S); return 0; but when i asked my teacher he said you should make it …

Hi, I am working of a PDF to image converstion. I found ghostscriptsharp which is a c# wrapper written for ghostscript. I used it and developed my application. Most thing if not all worked fine when i was testing with my console application. After I integrated it into the webapp …

hello world i would like to know to print on terminal a message with color and backround without external library i find this on internet and it works pretty fine but i would like to coloriza backround too!! #include <stdio.h> #define ANSI_COLOR_RED "\x1b[31m" #define ANSI_COLOR_GREEN "\x1b[32m" #define ANSI_COLOR_YELLOW "\x1b[33m" #define …

I want to make a button when you click it one time it will say "Stop" and when you click it a second time it will say "Start" and I'm new to visual studio and C# so it's taking time to research. So if anyone could help I would be …

Just a quick question here for VB.NET developing with Visual Studio. I have an existing project (Project A) and I want to use portions of it as a foundation for another related project (Project B). How can I safely copy Project A to another location, rip out unnecessary forms, code, …

Hi Dw. Firstly I would like to ask if there is anyone know a good download link to download VB6.0 I'm in need of this IDE. Now coming to my actual question of how to detect USB insertion and removal and get a drive letter for it in VB5.0? Thank …

Task Your task is to write a program that will draw graphs and output them as a full colour image in the .ppm file format and display them using a suitable external image viewer (IrfanView). The program will use code generated sine waves, and harmonics of these, to calculate and …

I have need to find a particular string from a text file. The user inputs the string they're looking for and the program searches through the opened text file to find that string. Is that possible? void exam() { char name[50], rollno[50]; FILE *search; printf("\t\t________________________________"); printf("\n\n\t\t\tPortal Examination"); printf("\n\t\t_______________________________"); printf("\n\tEnter Name …