Software Development Forum

hi what is the advantage of vb.net to vb6?

hi all I want to write a visual C# programs that delete all files and folders in specific directory but leave the parents directory like temp file C:\Users\user\AppData\Local\Temp MSN cache C:\Users\user\AppData\Local\Microsoft\Windows Live\Contacts etc etc... but I need some help I had read the msdn library http://msdn.microsoft.com/en-us/library/fxeahc5f.aspx anyone could help me …

Hi guys I'm here again asking for help Can someone can gave me an idea about how to find all data in my first listview to another?  Here is the picture. You see their are a column name AM in my first Listview and in the second their …

Hi, This is prity basic question but I am a little stuck with it. I have a class with a member variable in it. There are three files, say a, b and c. in file b.cpp - class b { public: ----- ----- int i; } in file c.cpp - …

hi :) is there a possible way where in we can combine two rows for an example i have this code: #include <iostream> #include <fstream> #include <string> using namespace std; int main() { ofstream outfile; outfile.open("1stRow.txt"); for(int i=1;i<10;i++) outfile<<i<<endl; outfile.close(); ofstream outfile2; outfile2.open("2ndRow.txt"); for(int j=2;j<11;j++) outfile2<<j<<endl; outfile2.close(); //return 0; } …

i am trying to assing value to a structure member using pointer and then increment and print it .so i write the following code.not working though.how to fix this or how can i do something like this.help please #include<stdio.h> #include<stdlib.h> typedef struct{ int count; }number; int main() { number *p; …

how to include c++ dll in a windows application created in c#?

Hi, I am working on the World of Zuul game. My question is about these three classes: Room, Inventory and Game. The game class uses an instance of Room called currentRoom. In Inventory Class, I want to write a method to check if a certain item is present in the …

Well i'm really in need of urgent help. I've created a program (in Visual Basic Express 2012) that seeks the computer for information using WMI, like processor, graphics card, etc. Inside the IDE of Visual Basic everything goes by the book ... but the produced EXE when i try to …

I have been walking through the tutorial "second ios app" on apple's developer website and I am getting a warning from the code that is implemented in the "Get the User's Input" section at the bottom of this link https://developer.apple.com/library/ios/#documentation/iPhone/Conceptual/SecondiOSAppTutorial/CreatingAddView/CreatingAddView.html#//apple_ref/doc/uid/TP40011318-CH6-SW1 In the implementation of the done method there is the …

I'm learning to get used to the pointers in C and I have a question about them that I coudln't understand. Anyways, why this code gives segmentation fault? void print_arr(const char *p_array[]){ int index; for(index = 0; p_array[index] != 0; index++) printf("%s\n", *p_array[index]); } while the one without a '*' …

hi i have following code in c# on button_click ReportDocument cryRpt = new ReportDocument(); TableLogOnInfos crtableLogoninfos = new TableLogOnInfos(); TableLogOnInfo crtableLogoninfo = new TableLogOnInfo(); ConnectionInfo crConnectionInfo = new ConnectionInfo(); Tables CrTables ; cryRpt.Load(@"c:\users\shahaiali\documents\visual studio 2010\Projects\CrystalReportTesting\CrystalReport1.rpt"); crConnectionInfo.ServerName = "ShaHaiAli-PC"; crConnectionInfo.DatabaseName = "StudentInfo"; crConnectionInfo.UserID = "user"; crConnectionInfo.Password = "pass"; CrTables = cryRpt.Database.Tables …

I am trying to do a problem of solid waste collection vehicle routing using Genetic algorithm in C++. So here raises the question why should I use GA. How do I defense this question? My main logic is solid waste collection problem is a non linear problem and for solving …

Hi, I'm studying for a final exam and I just wanted to ask if you could be so kind to explain how you get these answers from these questions. I'm really confused on them. Thanks! 1) What is the output of the following program? def f(x, y): if y == …

Here is a sample exam. What other kinds of questions do you think I could prepare before walking in there since all resources are permitted? Write a single program which contains functions to do the following steps. Each of these steps involve reading the file above and displaying some of …

Hello, I am trying to declare a 2D List Globally. I beleive I miss something out in my declaration. It seems that I can declare the list. But when I try to add 1 dimension to the list, it only accepts: "new Requests.GlobalVariables.list2()" when it should be: new Requests.GlobalVariables.list1() I …

I tried to use a different forum but I was completely out of my league with the responses. I am extrememly new to python. As a project, I'm supposed to ask the user to input a file name, check that the file exists, output the numbers in the file, and …

I have a recrusive program -Im new to it!- that gives all the possible ways to make a money to smaller coins for example : we want 10$ the coins are 5$ , 2$ , 1$ we can give 1 5$ , 2 2$ , 1 1$ or only 10 …

Hello. I am working on a Perl script that shoulld iterate through ~100 links from a MySQL table and test the links one at a time. I am using rtmpdump/mplayer to test the links (which are streaming videos), and I want to e-mail out a report after testing all the …

Hello, How to add multiple data in mySQL 5.1 using vb.net 2008? Do it needs an array?

I am trying to allocate memory for three string and print it to screen.but it isnt working .can anyone explain what's wrong here #include<stdio.h> #include<stdlib.h> #include<string.h> int main() { char **name; int i; name=(char **)malloc(3 * sizeof(char *)); while(i<3){ name[i]=(char *)malloc(20 * sizeof(char)); } while(i<3){ scanf("%s",name[i]); } while(i<3){ printf("%s",name[i]); } …

Show 10 students data ( student id, father's name, phone number, mail id) in a file and write a C program to display the student's data whose id is given by a user through the keyboard. Please help me out in solving this program. I know how to read data …

How to call a C++ function which is compiled with C++ compiler in C code?

Hello, I have been struggling a little bit with an issue in a relational database that supports queries. Originally I was going to use an OleDB data adapter and connect to an Microsoft Access database (created with Access 2000). The problem is that when I use a connection string like: …

Hello. I wonder if anyone can tell me something about calling the external dll file from delphi. I have a main form, which has the procedures locating the dll file, and then I have about 30 other forms, in which I use these commands. Now my question is, is it …

Hi Guys, i am currently creating a database in c#, this i can do, the problem i am having is trying to network it to my wifes pc, after i build (release version) i transfer to my wifes pc, but it doesnt work, says that the database is read-only? and …

Hi, I'm new in VB.NET and I'm having trouble with creating a **public sqlconnection** in a VB Module. I have declared **conn** as public sqlconnection but when I use it to the other forms its value is equal to "**nothing**". I hope you can enlighten me here. thanks in advance. …

I'm currently doing a project to display data. And I'm new in vb.net. I want to use combo box to display two columns data from data grid view in one time. But I get an error while run the program. Can anyone help me? Is it possible to display two …

Hello guys, i m new to this community i m working on a library project i have been told to provide the facility to the users that they can import and export the database again. EXactly, the case is that when the pc gets corrupt again the software be installed …

Hi. I used this code, to create a label while the program was running when I pressed the button int i=0; private void NakupRyby_Click(object sender, EventArgs e) { Ryby[i] = new System.Windows.Forms.Label(); Ryby[i].Text = "<°])))>("; Ryby[i].Size = new System.Drawing.Size(38, 13); Ryby[i].Location = new System.Drawing.Point((10 * i) + 100, (10 * …

Hi everyone I have a final exam for my Java class tomorrow and wondering if anyone could tell me if my answers are right? The questions are True/False. Thank you all! 1. True/False — An interface may only contain method headers. 2. True/False — An interface may not contain instance …

I have an anagram program that if you type in a word's characters in any order, the dictionary file will be able to export it. However, my assignment is to build words that are shorter than the inputted search area in a one-to-one letter correspondance. An example of this would …

Hey guys does anyone here knows what is the code for inserting the current day in a form? I'm creating an Employee Monitoring System. I have here a part of the codes of my program Private Sub Command1_Click() If Text1.Text = "2036251" Then Adodc1.RecordSource = "select * from Table4 where …

I was given a programming exercise which calls to: "Write a program to create a file named Exercise09_19.txt if it does not exist. Write 100 integers created randomly into the file using text I/O. Integers are separated by spaces in the file. Read the date back from the file and …

I am supposed to create a file that will generate 100 random numbers and then sort them. I am stuck on the sorting. I think it would be a really simple solution but i cant seem to figure it out. I have tried the arrays utility and creating a method …

Hi This is related to 3 threads: http://www.daniweb.com/software-development/java/threads/438729/recursive-ftp-listingmakingcreatingetc-access http://www.daniweb.com/software-development/java/threads/439941/recursive-ftp-listingmakingcreatingetc-access...-part-2 http://www.daniweb.com/software-development/java/threads/442142/recursive-ftp-listingmakingcreatingetc-access...-part-3 At first, I had NO clue where to even start. Over a couple of weeks, Ive slowly but surely started to make the process correctly but Im stumpped so (for the third time) ive thought of rewriting everything from sratch. …

This is "part" of my code Imports System Imports System.IO Imports System.Text Public Class Form2 Public fo1 As String Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim path As String = Directory.GetCurrentDirectory() & "\test.txt" If File.Exists(path) Then My.Computer.FileSystem.WriteAllText(path, fo1, True) Else Dim fs As FileStream …

how to convert the for loop to while loop

i have a listview in a form that contains a name like "Aileen-EB" , "FEMA-EB" , "CARMEN-EB7" , "TONETTE-A" something like that I need to get them and put it on a Dim AccountName as String I use if statement but i want my code to be like this For …

The problem is explained by the comments in the code. It is a fundamental question about the method call...every time I try text_box_name.tk_textBackspace() I get the TclError message. That's why I asked the question without the code... # When user enters a search word in the +search_box' text widget and …

Hello People, I am trying to create a java program that inputs an infix expression, then gives the output in postfix and prefix. So far the code compiled without errors but the answers for the postfix and prefix are not coming out correctly. Also the outputs come out wrong when …

Hi all I have the folowing to calculate the Number of weeks between two dates. The OpenDate= Nov-1-12 and closingDate= Nov-29-12. When Executing the the NumberOfWeeks=3 If I go to the calander 4 weeks why is the NumberOfWeeks=3 NumberOfWeeks = DateDiff(DateInterval.Weekday, OpenDate, ClosingDate) Thanks In Advance.

Just a thought that woke me up this morning. A means of providing 'property' type constructs in C++ classes similar to python properties. # Header # #ifndef _HXX_CPROP #define _HXX_CPROP /** * Helper class to connect a 'property' in a * c++ class to getter/setter methods * */ template<class T, …

Hello everyone! It has been quite sometime since I was on Daniweb, and a lot has changed. Anyway, I have decided to "fix" my old Java school ISU and make it better. (I am not in school so don't worry, I'm not cheating.) Here is my problem: I want a …

need to design a code for my first assignment in dev c++ for olmypic judging, 5 judges, 10 competitors, need to score each competitor between 0.0 and 5.0. i cant use the highest score for each competitor or the lowest and must average the remaining results. any help? i have …

I did a code which can run cmd of windows from java, and also I stored the result of that cmd in a string variable, my question is is it possible to get a substring from that variable from where I had stored the output of the cmd. I want …

I wrote a program, in which my code is checking the word entered by user and the word in a file. If the words are not same, the file is deleted. i closed the file using **fclose(fp)**, (where fp is file pointer) and to delete the file i used **system("del …

Hello, i have my naughts and crosses code as pasted below. Can someone help me with code to recognise if the game has come to a draw and recognising any invalid moves. Row1 = [" "," "," "] Row2 = [" "," "," "] Row3 = [" "," "," "] …

What would be the best way (or any way) to print out a pattern, that may cut off at any point dependant on the x & y length? for example, if i wanted a pattern 4 up (y = 4) and 14 across (x = 14) I would need it …

Okay, so my hurdle here is to Serialize a list that has a bunch of objects in them, write them to a file, and be able to open the file to load the list of objects back into a listbox. I've read the MSDN articles and browsed some Forums, but …