Software Development Forum

Hey all, I want to write an application that I can run from the console where it loads settings from a config file. I also want to be able to double click on the executable and obtain a GUI where I can specify settings that will be stored in the …

Hi Everyone, I have a list of numbers I'm trying to write to a file, which I want to be a binary file. Here's my code: nums = [0x1234, 0x5678, 0xabcd, 63, 44] with open('filename', 'wb') as bin_file: for number in nums: bin_file.write(number) The problem is that I keep getting …

I have a problem trying to link my my datagrid view to my sql server stored procedure. The way it should work is that when I select an item in a list from my combo box it returns a set of rows on the datagrid view specific only to that …

Hi, I created a C program which basically calculates bunch of variable values.... Although the desired output for the final version program is just a few lines, however, for debugging purpose, I've printed the variable values everytime a change is being made in-code. As a result, the output consist of …

hi friends, i have two datetimepickers in a window form application.One datetimepicker is used to select date and second one is for time. Now i want to combine date from DTP1 and time from DTP2 and update the database with the selected combined datetime value using vb.net. Thankyou

Confusing piece of code... Xcode compiler complains 'No matching function for call to 'init_population' yet another portion of similar code for another function works fine??? Any ideas please. void init_population(int**,ga_vector &,ga_vector &); void init_population(int** donut_population, ga_vector &population, ga_vector &buffer ) { int tsize = GA_TARGET.size(); int double_digit = 0; CRobot …

How do I search a linked list for a string ? findXX(string) , for instance.

Hi, I am making a music player in python 2.6 with Tkinter. Here's my code : from Tkinter import * import mp3play import tkFileDialog import Tkinter def open_file(): #Opens a dialog box to open .mp3 file global music #then sends filename to file_name_label. global mp3 global play_list filename.set (tkFileDialog.askopenfilename(defaultextension = …

Hey guys, i'm Working On A Project That Gets All Employees And Their Data From the User Then Saves Them in A Txt File ( Fstream ) Anyway, i figured out how to Do That But What im at stuck at now is how to search through the txt file …

I am trying to teach myself Python. I have started out creating several small programs. This one area has me stumpped. I have created a simple password saver program. I thought using a dictionary would be the best option. The only problem I have ran into is I cannot get …

Hello all . I used to problems with my program shaking when i mioved it off screen. I found code thats supposed to fix it . It came from some program i was tinkering with. Its had many complex textures and all added to its form and the form didnt …

What is the difference between these two and why does one compile fine compared to the other :S //MyFile.h #include<iostream> using namespace std; inline std::ostream& operator << (std::ostream& Str, const RGB &Rgb) { Str<<"R: "<<(int)Rgb.R<<" G: "<<(int)Rgb.G<<" B: "<<(int)Rgb.B; return Str; } //Main.cpp #include <iostream> #include "MyFile.h" using namespace std; …

I'm sure that there is an article on here already about this, but I didn't see it. I'm trying to make my java application executable so I can share it with friends but whenever I use eclipse to make it a jar or executable jar file and send it to …

Hi, I am trying to access private level members with a Derived class but keep getting: Error1 cannot access private member declared in class 'TimeType'. Here is my code for the Base Header file: . . . class TimeType { private: int hours; int minutes; int seconds; public: virtual void …

HI, I am creating a client server application in VB.NET 3.5 with WPF. I have searched a lot for a week but I didnt find any helpful source to study. After searching everywhere I am not able to move ahead. Can anybody please provide me small example, any link? I …

Hi, I am using MS-Access 2003, VB.NET 2008, I am able to select and delete recordes. But how can I move between records? Imports System.Data.OleDb Class Window1 Dim cn As OleDbConnection Dim cmd As OleDbCommand Dim dr As OleDbDataReader Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles …

i need help with if statement. for some reason its not working right and i dont know why. i never goesinside 2nd if statement. i i want to go inside this if statement - if left_var value is "2x" //for loop iam start with x. b = 'x' and b-1 …

When I compile this code, It show me this kind of error type or namespace name profilecommon could not be found. Could someone help me how to solve this? case "Profile": ProfileCommon pc = Profile.GetProfile(user.UserName); DropDownList3.Items.Clear(); foreach (SettingsProperty p in ProfileCommon.Properties) { DropDownList3.Items.Add(p.Name); } MultiView1.ActiveViewIndex = 4; break; }

mport java.awt.Color; import java.awt.Graphics; import javax.swing.JOptionPane; why this is not working need help public class NewClass { static String myBinary; public static void main(String[] args) { String code = JOptionPane.showInputDialog("Please enter zipCode: "); BarCode myBar = new BarCode(code); myBinary = myBar.getCode(); int length= code.length(); if (length != 5 && length!=9) …

Here's my current code: /[\w\s]+/ I'm trying to make the following characters match: [CODE] Q W E R T Y U I O P A S D F G H J K L Z X C V B N M q w e r t y u i o p …

At work we have a large number of unit tests that try to alert us that we have made changes that have broken our code. Many of these tests work by evaluating functions under known conditions and comparing the result with the known result. The known result is acquired by …

I'm having trouble with getpixel function. Sometimes it returns the correct pixel ref and others it returns "4294967295" which I think is "CLR_INVALID" COLORREF color; HDC hdc_ = GetDC(NULL); //get dc of whole screen color = GetPixel(hdc_, 10, 10); std::cout << color << endl; That is the simple code, any …

Hi everybody, I'm just wondering what is the more eficient and compact way to write statements like this if(site.next(1) == null) { return false; } if(site.next(2) == null) { return false; } if(site.next(3) == null) { return false; }

#include<iostream> #include<cstdlib> #include<ctime> using namespace std; int main() { int N,A[8]; cout<<"Enter the number:"; cin>>N; srand(time(0)); for(int i=1;i<=8;i++) { A[i]=rand()%40+10; for(int j=0;j<1;j++) { cout<<A[i]; } cout<<" "; } return 0; }

there are 4-tier in my project (1)WPF-UI(Presentation) (refrence of Service client) (2) Service Client Class Library (Service Refrence of WCF Service) (3) WCF Service (Refrence of Data Access) (4) Class Library (Data Access) All Details Are Inserted,Updated and deleted through Class Library in XML File query in Linq But Problem …

Hi, a question about stand-alone Java applications that do not have a background DB. In our Uni class we were asked to build a very small application using JOptionPane methods such as "showInputDialog". The application asks for users name and birthdate and at the end displays a summary of these …

I need to retrieve the major and minor version of the application, and instead of instantiating a new Version class with `new Version(Application.ProductVersion);` is there a static copy of the Version class that already exists? If so, I can't find it, can someone point me in that direction, or is …

Hi everyone. I did a super simple calculator with ASP.net with five buttons: add, subtract, multiply, divide, clear. There are five separate functions for each button's click event. For example: Sub addfunction(ByVal s As Object, ByVal e As EventArgs) If Not IsNumeric(input1.Text) Or Not IsNumeric(input2.Text) Then resultLabel.Text = "You entered …

Hi there, As the title says, I'm having an issue passing an array of structures to a function.The structure reads and tokenises information from a text file. I then need to do things with that data using several different functions. Here's my code: #include <stdio.h> #include <stdlib.h> #include <string.h> typedef …

Hi, I'm developing a XNA Windows Game 4.0, and I keep getting this error: The type or namespace name 'Color' does not exist in the namespace 'Microsoft.Xna.Framework.Graphics' (are you missing an assembly reference?) I can't seem to find the answer for this, can anyone help? Thanks EDIT: Solved it color …

hello.... i create setup using vb.net 2008 with mssql database...... it is run on my machine without any error but when i install it on client-machin i got this error See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception …

i really hate php and javascrip but i really want to make a social network website just for fun. so i wanted to use java, sql, and html to make. i already know these 3 languages and i know how to set a database but i dont know how to …

Hi i am finding this a challenge.I am suppose to get 12345 12345 but my below code is giving me 1112314151 1222324252 what mistake am i making? #include <iostream> using namespace std; int main() { int row,column; for(row=1;row < 3;row++) { for(column=1 ;column < 6; column++) cout <<column<< row <<' …

Hey i have one questio .....plzz do answer........ i have 3 classes A,B and D A is base class........ if B is derived from A.. can we derive C from both A and B......??

Dear All, I have written a program to find the smallest divisor of an input number. The code gives me an error in lines 19 and 23. The error is invalid operands to binary %. Please help me to troubleshoot, thank you. Below is my code: #include<stdio.h> #include<stdlib.h> #include<math.h> int …

lets say i have a i have a char array char left_var[] //-33x-4x+x this char left_var array has the value of "-33x- 4x+ x" and result should be "-33-4+1" and store in another array called in another word iam trying to get rid of x's and if there is only …

I have now read a total of 5 different winsock tutorials and I still do not get how sockets work! Could somebody please explain how to make a program that will allow n computers to share data with each other. As an example could somebody make a 'game' with the …

I got this delay routine while searching the internet for ways to introduce a time delay (4-5 sec) in my assembly program. I fed it into a HelloWorld program to display 'Helloworld' box message after 10 sec from the execution of the program. Here's the code .386 .model flat, stdcall …

Hi, I have a file like this, separeted by tabs: Code Info source start end GB01672 rpsblast_to_CDD protein_match GB01672 rpsblast_to_CDD match_part 296 988 GB01673 rpsblast_to_CDD protein_match GB01673 rpsblast_to_CDD match_part 3803 4147 GB01673 rpsblast_to_CDD match_part 1314 1907 GB01673 rpsblast_to_CDD match_part 3516 3932 GB01673 rpsblast_to_CDD match_part 3335 3463 GB01674 rpsblast_to_CDD protein_match GB01674 …

i was learning about Functions from a book.Keyed in the following code to my visual studio express and got two errors: expect a declaration and '{' : missing function header(old-style formal list. what do they mean? Does this have to do with ans/isoi std? #include <iostream> using namespace std; void …

I am trying to implement a program to solve 20 + equations . what algo should i use

Im having a difficult time finding info on how to set up a combobox listener for my project. My book has 1 example and it uses audio files.(no help) My project consists of a GUI panel with a splitpane that that has a list of info on the left for …

Hi all, I'm working on a simple Java project on student database. One of the methods I need to implement obviously involves searching for a student in the student registration using the student id input. Here is what I've been asked to do: *-searchStudentRegistration(String studentId): Using the studentId you will …

at the moment I am having a problem with looping back to noun_phrase from np2. I was wondering if someone can help me loop back to nounphrase. Here is some code: noun_phrase([X|T],(det(X), NP2),Rem):- det(X), np2(T,NP2,Rem). np2([H|T],np2(adj(H),Rest),NP) :- adj(H), np2(T,Rest,Rem), noun_phrase(NP,Rem,_). I want to loop from np2 back to noun_phrase. I …

Well, it's been a lonngg time since I've last been on DaniWeb and everything looks different. Anyway, I'm having a bit of a brain fart I suppose so I'm hoping someone can help me out. I've been working on this program that basically reads in a fasta file with multiple …

Hi, I am trying to create document using iText. I am using Eclipse IDE. I've imported the jar files (itextpdf-5.2.1.jar and itext-xtra-5.2.1.jar). However RtfWriter2 is not being recognised as a class. Document doc = new Document(); RtfWriter2 writer = new RtfWriter2(); RtfWriter2.getInstance(doc,new FileOutputStream("testRTFdocument.rtf")); Can someone help me in figuring out …

Hi :) Is it better to have a one file program (ex. MyProgram.class) or a multiple file one (ex. Main.class and Gui.class and Draw.class)? thx

Hello to all simply when i delete a file and the file is goto recycle bin after deleted. when we use ( Kill ) command then my file delete direct and cannot goto recycle bin please help

Hi, Is this a valid while loop? : while((grid[tr][tc]=='0'||grid[tr][tc]==s[i]) && tr<row && count<strlen(s)) { ++count; ++tr; } Although the full program compiles fine, but *sometimes* my program crashes during runtime giving me a "Access violation(Segmentation Fault)" error and the debugger points to this loop statement... By the way, I'm using …

I was reading a book and it said "Mac names cannot be overloaded and the macro preprossor cannot handle recursive calls: #define PRINT (a,b)cout<<(a)<<(b) #define PRINT (a,b,c) cout<<(a)<<(b)<<(c) /*trouble?:redefines,does not overload*/ Can someone pls explain possibliy with examples?