Software Development Forum

Good Day!. I have a big problem. I have here a combobox1 in form1, combobox1 has a value of Mr.A and Mr.B. and the form2 has a evaluation question with 5 radiobuttons. I want that if i choose from that combobox1. The form2 will know who i choose, and when …

I am very new to VB.NET, I want to create a Forms Application to load a text file that has lets say 50 lines, some of the lines are identical and those are grouped together and some same format but different make up. Have it loads it into a text …

[CODE] case 'f': case 'F': do { cout << "Enter Finish Time (Max Start + 24h, 0-23:59): "; cin >> FinishTime; if (FinishTime > 2359) { do { cout << "Error! Invalid Finish Time Input." << endl << "Enter Finish Time (Max Start + 24h, 0-23:59): "; cin >> FinishTime; …

Hey, I am writing a program that reads in text files that were generated from another program. Some of the files are able to open with no problem but others will not open unless I rename them. For example: 4_UncommonHints_10-07-2008_Ideas.txt opens fine but 5_CommonHints_10-30-2008_Ideas.txt will NOT open unless I rename …

From what I have read, command line arguments are only char* separated by space. However feel compelled to ask if anyone knows of a way to get a pointer across to an executable in any fashion? The goal is to pass int *pointers for reasons of inter process communication across …

Ok so I am working on a hash map but I ran into trouble with reading in the input. I need to be able to read in the input from a file if specified if not from the console. Thats not a problem but when it comes to reading it …

Hi, I'm supposed to write a code of finding the shortest path of VRP... Assume that shortest path = shortest time. "Given a set of locations and a set of homogenous vehicles, find the minimum time of tour that visits each city exactly once by any of the given vehicle. …

Hey guys, In prepping for a job interview, I'm trying to eliminate some bad habits and this trivial problem has me realizing how hard that is :'(. The problem: Print a 12 x 12 multiplication table. This is easy.... [CODE]outstring='' for i in range(1,13): for j in range(1,13): outstring +='\t'+str(i*j) …

Could you please tell pictorially difference bw these 2 codes(o/p is same) and suggest any source where i can once in for all resolve doubts in pointer to pointer problems except "K&R in ANSI C" [CODE]#include <stdio.h> #include <string.h> void pointer(char**); void main() { char *p[]={"name","fame","claim"}; pointer(p); } void pointer(char …

hello good people I am doing indexsort of name and surename. i have some error with index in my sort2 fuction. I can not figure outwhat is wrong. can somebody give me a hint about what to do to fix it. I was also wondering if I can add a …

Hello Everyone, I hope this is the right place i'm posting this, basically I need some help with Visual Basic 2008. We've been set a task to build a really basic web browser with one advanced function. I've done the web browser with the basic functionality, but this advanced feature …

I am trying to find a bug in my new and (theoretically) improved syntax highlighter program. I have made 3 versions now and have been able to debug them all with ease. Unfortunately my debugger does not do well with std containers as it shows ALL the information they contain …

I have a list: [CODE][a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p][/CODE] I would like 4 lists: [CODE][a, e, i, m] [b, f, j, n] [c, g, k, o] [d, h, l, p][/CODE] How would I go about this? Thanks.

Ancient Dragon was helpful in a way to parse argv(). It brought to mind a method that suggested to me a way to look at the prefix after finding the expected string. For example (as I interpret it) if you are looking for a prefixed command it could be a …

Hi folks, I need a solution for following scenario. 1. Suppose two processes running simulteneously. 2. Process (P1) has already locked a mutex (M1). 3. Process (P2) is trying to lock same mutex (M1) but as it is already locked by (P1), P2 is waiting for unlocking (M1). 4. Now …

I wrote a function that will search a string with a substring. When the substring is found, it is replaced with another substring. The problem I have with my code is that it wont replace the substring unless it is in the beginning of the string. Here's the code and …

i am trying to write a program that will prompt the user to enter test scores terminated by a negative number. and then find the min max and average of the scores inputted. i have gotten everything to work except the average. the assignment says i can only use variables …

Hi, I'm having some very hard time with my header files when working with linked lists. I'm not too sure what I need to define in them except for the prototype functions. The way to create strucs within the header files confuse me. This first file is the header for …

Hello everybody please tell me How to select costum index in a list in vb6 i have a listbox & a command botton & textbox example: we add some items in a listbox list1.additem = "google.com" list1.additem = "Gmail.com" list1.additem = "myspace.com" list1.additem = "youtube.com" list1.additem = "facebook.com" list1.additem = …

Me and my group members are planning to add something different to our program, we intend to put JTextField, but we have no idea on how to start it because some of the tutorials are so hard to understand. this is our program: it is a payroll system: [CODE] public …

I've followed a tutorial where a Person class was used to illustrate the difference between class and instance variables. Something like: [CODE] class Person(object): population=0 def __init__(self, name): self.name=name Person.population += 1 print 'current population', Person.population Sally=Person('sally') Joe=Person('joe') [/CODE] This example really illustrated the difference between class and instance variables …

Hi all, How can I make the items in a standard values collection identical to the items contained in a previously defined (dynamic) array of strings? Here's a snippet; [CODE] Public Class ElementList : Inherits StringConverter Public Overloads Overrides Function GetStandardValuesSupported(ByVal context As ITypeDescriptorContext) As Boolean Return True End Function …

I wrote this code for an assignment that asked to create a program that calculates and displays the average of any amount of real numbers. The program is supposed to ask the user how many numbers they want to enter and then use a loop to ask the user to …

My code is: [CODE]System.Data.OleDb Public Class Form1 Dim cn As OleDbConnection Dim cmd As OleDbCommand Dim dr As OleDbDataReader Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Try cn = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data …

Alright, I have a Webbrowser which has a page opened. I want it to select a specific Option from the Combobox. How can I do that in VB ? HTML Code: [CODE]<select name="Protected"> <option value="NC"></option> <option value="ON">ON (protected)</option> <option value="OFF">OFF (unprotected)</option> </select>[/CODE] VB Code: [CODE]For Each element As HtmlElement In …

what's the problem? E:\Tools\Programming\C++ Programming\CodeBlocks\Project\Knowledge_Based_Project\Exercise_Temporary_Compiler\Exercise_Temporary_3\main.cpp||In function 'int main()':| E:\Tools\Programming\C++ Programming\CodeBlocks\Project\Knowledge_Based_Project\Exercise_Temporary_Compiler\Exercise_Temporary_3\main.cpp|36|error: invalid use of member (did you forget the '&' ?)| ||=== Build finished: 1 errors, 0 warnings ===| [CODE] #include <algorithm> #include <iomanip> #include <iostream> #include <string> #include <vector> using namespace std; int main() { // informed user cout << …

I'm using this encrypting function psoted by a member: [CODE]Public Function SimpleCrypt(ByVal Text As String) Dim strTempChar As String = "" Dim i As Integer For i = 1 To Text.Length If Asc(Mid$(Text, i, 1)) < 128 Then strTempChar = _ CType(Asc(Mid$(Text, i, 1)) + 128, String) ElseIf Asc(Mid$(Text, i, …

Hello everybody I Have a doubt i have created an application in VS2010 for windows application i have used form1 in form1 i used a button, onclicking on to the button it will load a second form ie.. form2 in which image is added the overall situation is when i …

hi friends . i have a sqlite program. i need get stuff data from QLineEdit and add to model & tableView . but i dont know what should I do :( plz help me

Ok so, this IS a homework assignment. I'm not asking for the answer. I need help on how to get started. Any help would be greatly appreciated. The assignment is to revise some code from a previous assignment, but I'm having trouble with figuring it out. The instructions are: You …

I am trying to make an encrypter, but as you can see, it's not working. str[] have an undeclared array size, i know that theres an option to make it with a pointer array, but i really want to make it a fixed size, also, so i can skip the …

Hi guys can anyone tell me if it is possible to sort integer values for smallest to biggest which has been stored in my database as Strings. What I want to do is list my items in an textarea that sorts the numbers from smallest to biggest. Also note if …

Here is the instructions given: Use a loop with indirect or indexed addressing to reverse the elements of an integer array in place. Do not copy the elements to any other array. Use the SIZEOF, TYPE, and LENGTHOF operators to make the program as flexible as possible if the array …

dear all!!! here is my code. when I run it "enter name and enter city "appears together. I dont understand why. please help me figure it out. thank you. #include <iostream> #include <string> using namespace std; void prompt(string name[7], char city[7]); void init(int index[7]); void sort(string name[7], int index[7]); void …

[I]is any book [U]which explains what each code means and why it does[/U] that in c++, i am starting in progamming field from beginning. [/I]

Here is my code: [CODE] #include <iostream> #include <string> #include <cstring> using namespace std; //() char openedP='('; //open ( char closedP=')'; //close ) //end () //dash char dash='-'; //end dash class PhoneNumber { int countryCode; int areaCode; int number; char type; int year; public: PhoneNumber() { countryCode = 43; areaCode …

Hi i need to make a method that does the example below if the array contains these number -12 3 -12 4 1 1 -12 1 -1 1 2 3 4 2 3 -12 The output should be: N Count 4 2 3 3 2 2 1 4 -1 1 …

I just wrote a simple code.Since it have no warnings or error attentions from the VC compiler,it TOTALLY doesn't work! What I wonder is whether the problem is due to the sequence of complying as well as how to figure it out. ------------------ Here is the code [CODE]#include<iostream> using namespace …

IM HAVING PROBLEM WITH THIS PROGRAM, GOING BACK TO THE MAIN PAGE AND SELECTED PAGE, IF THE USER ANSWER NO, THE PROGRAM WILL GO BACK TO MAIN MENU IF THE USER ANSWER YES, THE PROGRAM WILL COMPUTE THE SAME PROBLEM. help PLS... THE PROGRAM BELOW WONT GO BACK TO COMPUTE …

can anybody suggest me whats wrong with the code?? [code] #include<iostream> #include<string> using namespace std; void rev_str(string str,int n) { while(str[n]!='\0') rev_str(str,++n); cout<<str[n-1]; } int main() { string str="shankhs"; rev_str(str,0); return 0; } [/code] thanks

Whats the best and easy way to learn JAVA and anyone can suggest a very good and simple website to learn and workout JAVA codes.

Hello; I have 2 questions: 1- I know you can allocate memory to an array dinamically in C and C++. But, can this be done if the array is part of a structure? 2- Can the size of a dynamic array automatically grow up to a maximum or do you …

Hello experts, I never used [B]"Dataset"[/B] in my project. But I know this is used for the set of tables. Can I use this to authenticate from more than one table? Tables in my Database are: Login, Student, Student Details, Fee, Teacher, Teacher Details. I want to use dataset in …

write a Java program that performs the following task on an input text file. 1. Determine the number of characters 2. Count the number new-lines 3. Identify the number of empty lines. I have been working on this problem that I saw on the book and the part where I'm …

Hello, I am stuck on this issue since like a week now and i have been trying to find out how to do this. I am trying to copy the ArrayList elements into another class. I have 4 classes: registration class (MAIN CLASS) address class (DONE) student class (DONE (kinda)) …

Alright, this isn't actually homework. I'm going back to school so I figured I would brush up on some programming before I go. I'll be taking the second course in a three course C++ programming sequence (starts with classes, recursion, etc.), so nothing too advanced yet. I wrote this program …

I need this program to take user entered information, check and see if the object exists and add it if it doesn't. I keep getting a nullpointer exception when trying to add an owner to an Arraylist. I've included the relevant part of the driver class, the OwnerParser class that …

Hey guys, I need help recognizing multiple digit numbers that are read so that I may push said number into a stack for future evaluation For example: 22 3 + should evaluate to 25 When I input 22 3 +, my output is evaluated to 5 Any help/criticism is welcome …

I'm trying to build a program that has a user guess 4 random pegs in order. it needs to use arrays and methods and i'm struggling mightly... here are some parameters The structures must be declared as variables in the main() method. You must write your program so that the …

Hello, I am new to java and I was wondering if you guys could help me solve this problem: Your history instructor gives three tests worth 50 points each. you can drop one of the first two grades. your final grade is the sum of the best of the first …