Software Development Forum

Hi I installed Visual C++ 2010 express today. There is no option to create a .C file. I tried googling but found nothing. Please help me with this

Continuing on from my adding data to the db I am using the following to try and update the db [CODE] End If 'Refresh_Form() conn.Close() 'update property table Dim connUpString As String = My.Settings.strConn Dim connUp As New SqlConnection(connUpString) Dim cmdUp As New SqlCommand Try connUp.Open() cmdUp.Connection = connUp cmdUp.CommandText …

my excel files have more than a 1000 numbers under the columns that are labeled x, y, z for each excel file. i was trying to print the x, y, and z values for all of the excel files in to a single excel file(Trying_excel.xls)that would have all of the …

Just recently started learning SDL and have this problem, this program should properly display my background and message on the screen, but instead its just a black screen. Did the Blit, did the Flip, maybe im missing something? Heres the code: P.S i know i might forgot to add some …

Hi Guys, Can Anybody tell me where i am wrong. The event can't be fired on clicking button6[CODE] private void button6_Click(object sender, EventArgs e) { this .button7.Click +=new EventHandler(button7_Click); } private void button7_Click(object sender,EventArgs e) { MessageBox.Show("Button7 Clicked when ur pressing button6"); }[/CODE]

this method return "[B]StackOverflowException[/B]" error for some inputs;like "12" where is Infinite loop point? [CODE] public void cycle(int f){ int i, j; if (f == 0) return; else { for (i = f; i >= 0; i--) { for (j = 0; j <= 10; j++) { if (i == …

hi, i am making a program that kills a process [CODE]system("taskkill /im explorer.exe");[/CODE] and i need to restart the process using CreateProcess. [CODE]CreateProcess(NULL,("C:\\WINDOWS\\explorer.exe"), NULL, NULL, TRUE, CREATE_NO_WINDOW, NULL, NULL, &siStartupInfo, &piProcessInfo);[/CODE] but i keep getting these errors: 27 `siStartupInfo' undeclared (first use this function) and 27 `piProcessInfo' undeclared (first use …

I've found some similar posts on opening different files with the same file stream but they are difficult to understand. I'm trying to figure out for a larger project why I can't use the same file stream as in this example and what an alternative solution may be. And yes …

hi ... can someone help me on connecting MSsql 2000 to vb6 ...i've been searching google but they always point me to this site .. [url]http://www.connectionstrings.com/[/url] i dunno how to set up this strings in vb since im new to vb... :( please help

Good day everyone! I just like to ask is there a way to run my application automatically, right after the installation. A Ton of Thank you in advance.

[code] //A c++ program that calculate and print parking charges #include <iostream> using namespace std; #include <iomanip> const double minimumFee = 7.00; const double hourlyFee = 1.75; const int numOfCustomers = 2; const int numOfMinsPerHour = 60; void inputAndValidate(int,int,int,int); void convertToMinutes(int&,int&,int&,int&); void convertBackToTime(int&); double calcCharge(int&,int&,double); int entranceMinutes,exitMinutes,entranceTimeInMins,exitTimeInMins ; int minutesParked,parkedMinutes,entranceHour,exitHour,parkedTime …

//A c++ program that calculate and print parking charges #include <iostream> using namespace std; #include <iomanip> const double minimumFee = 7.00; const double hourlyFee = 1.75; const int numOfCustomers = 2; const int numOfMinsPerHour = 60; void inputAndValidate(int,int,int,int); void convertToMinutes(int&,int&,int&,int&); void convertBackToTime(int&); double calcCharge(int&,int&,double); int entranceMinutes,exitMinutes,entranceTimeInMins,exitTimeInMins ; int minutesParked,parkedMinutes,entranceHour,exitHour,parkedTime ; …

I am new to programming and I don't know how to make interfaces. My code is : [CODE]public class CarsDescription { /** * @param args the command line arguments */ public static void main(String[] args) { interface Domestic {} interface Import {} interface Japanese extends Import {} interface German extends …

I want to create a tool tip which has fix rectangular size and show custom font's... Any tips or link or any material to start with?

I learned that a boolean does not need all the memory space it is provided in order to display true or false (1 or 0), but since the lowest space computers can work with is byte it was expressed as that. I also read that there are ways to store …

Hey, I need to know how to add my program to the environment variable PATH without messing up my PATH in the process... Of course I plan to use Environment.GetEnvironmentVariables() and set... Anyone have some experience with this?

for example i have 2000 picture box and i have a array the lenght of 2000. and my picturebox names is like pb1,pb2 .... pb1999, pb2000 so if my arrays 1393th item is not null i want to change 1393th pictureboxs color. is there any easy way? i know i …

I started reading Programming Windows API 5th Edition by Charles Pretzold and I compiled and ran the first program and it worked fine but this one doesn't work and I have been messing with it and I don't know what do anymore, the problem is line 22 when I run …

[CODE]newUserCommand.CommandText = "INSERT INTO users(username, password, security) VALUES('" & newUserNameBox.Text & "';'" & newPassWordBox.Text & "';" & newUserSecurityBox.Text & ";'"[/CODE] I cannot find where the syntax error is but vstudio tells me the error is in a unclosed quotation after ;

Hi I am trying to submit a date value from a DateTimePicker1 using short date format 05/02/2011 I get an error on submission .NetSqlClient Data Provider:conversion failed when converting date and/or time from charecter to string this is my insert [CODE]cmd1 = conn.CreateCommand cmd1.CommandText = "INSERT INTO tenant(firstName, lastName, Email, …

I've made a program of basic bank transaction. I'm having a hard time figuring out how will that cin >> newb; and cin >> currentb; work out...the program works if you remove the formulas..also i'd like to add if (withdraw <=10000) the program will stop the user from withdrawing but …

Hi, I wanted to write a C program which searches for text files in a directory(assuming the directory and files are not write protected),list them and open each one of them(files) write a letter A in them.Can anyone give me a sample code. I believe it can be done with …

I am trying to rebuild my code for my final project due in 2 hours... I am getting a stray \147 and 148 error, along with various other errors. What am I doing wrong???? I am not very good at this C++ stuff, so any help would be appreciated :) …

Hi all, i want to add data manully to a dataGridView.but i get this exception. ArgumentOutOfRangeException. Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index PLZ help me to solve this. this is my code. [CODE] int clicks=0; private void …

Hi all, I am a newbie in C, and a bit curious with this "goto" statement. For instance, I create a simple code below [CODE] #include <stdio.h> int main () { int a; a = 1+1; if (a!=2) { goto error; } error: printf("error is here\n"); return 0; } [/CODE] …

Hey there This might be a stupid question, but I don't get why i cant do this [CODE] string SteamPath; XmlDocument LoadDoc = new XmlDocument(); LoadDoc.Load("Config.xml"); XmlElement rootless = LoadDoc.DocumentElement; if (rootless.Attributes["SteamPath"].Value == "") { } else { SteamPath = rootless.Attributes["SteamPath"].Value; } return SteamPath; [/CODE] It gives me the error …

This doesnt work as it should... [CODE]void renameMonths(string month) { if (month == "jan") { month = "january"; } } int main() { string month; month = "jan"; renameMonths(month); cout << month << endl; }[/CODE] the output is just jan, when it should be january. Thanks in advance.

Hi I need help its actually working fine but i don't know how to put a control structure in knowing whether the input is wrong, example when i instruct user to input number it must be less than 100 if not error will show up that is only the last …

Hello I am very confused with how negative numbers are represented in binary form. They say it is done in 2s complement form. Now won't this 2s complement of a negative number clash with an actual +ve number having the same binary representation? And negation of a +ve number..... We …

This is my code: [CODE] void removeAppointments() { vector <string> newfile; string line; int i; int n; ifstream Appointments; ofstream newAppointments; Appointments.open(DATAFILE); newAppointments.open(newDATAFILE); if (Appointments.is_open() && newAppointments.is_open()) { // Read the file until it's finished, displaying lines as we go. while (!Appointments.eof()) { getline(Appointments, line, '\n'); // getline reads a …

am a student developing a programe for a lib but am failing to create new JFrames when buttons are clicked i need help handing in with 3 days

[CODE]#include<iostream.h> #include<conio.h> class test { public: int data1; char data2; test() { cout<<"contrsuctor"; data1=1; data2='a'; } ~test() { cout<<"destrucor"; } void show() { cout<<"data1"<<data1; cout<<"data2"<<data2; } }; void main() { test *ptr; test object1; ptr = &object1; cout<<"\npointer\n"; ptr->show(); delete ptr; getch(); }[/CODE]

Hello, How to reset the properties of the form as well as all of the control properties values when i click a button. Thanks in advanced..

I am making a program (new to c++) which lets you save contacts and then allow you to list them and remove them. I am lost to how I would number each contact, for example: 1. Sam 21340223 2. Jessica 21020303

I have a switch statement set up, with 2 cases (a or v). I could have just done an OR, but decided to practice with switch statements. So far i'm using it to select what letter they type in, then launch the next part of the program depending on the …

Hi All, I want to make the output "u = u + alpha*d_k" at the very end of this code an input, i.e., as an argument of the function "f(u)" at the beginning of the code, in every iteration. Note that I have posted only part of the code which …

I have written this C code in which I'm declaring a variable inside switch body with initialializing it to 10.But when I'm running this code it is printing some garbage value. [CODE]#include <stdio.h> int main() { switch(2) { int x=10; case 1: printf("Case 1: %d\n",x); break; case 2: printf("Case 2: …

I have to make this program track how much fuel I have used. I have tried and tried, but I can't get it to work... I'm not at all looking for a solution... I just need a nudge/hint into the right direction. [CODE] def main(): choice = 0 ammo = …

is there any code for opening a file without using any dialogbox? directly

When I want to access a part of the vector (appointment) it won't allow it, for example simply adding: [CODE]cout << appointment[1];[/CODE] will not work. I also want this vector to be saved to my class (Appointment), so I can later remove elements of the vector. Would I be able …

I am having some trouble getting some overloaded operators working correctly with a simple inherited Vector class (numerical vector, not container) The scalar multiply from the base class doesn't appear to be visible to the derived class. Code follows: Base Class Header [code=c++]#pragma once #include <vector> class Base { protected: …

I just watched this tutorial: [url]http://www.youtube.com/watch?v=NTip15BHVZc[/url] and tried it myself, but I could not get it to work, I get these errors: [CODE]||=== 15. Placing classes in separate files, Debug ===| C:\Program Files (x86)\CodeBlocks\programs\tutorials\15. Placing classes in separate files\src\testClassFile.cpp|1|error: testClassFile.h: No such file or directory| C:\Program Files (x86)\CodeBlocks\programs\tutorials\15. Placing classes …

I am trying to add a numbering system to a list in a datafile: [CODE] Appointments.open(DATAFILE); if (Appointments.is_open()) { // Read the file until it's finished, displaying lines as we go. while (!Appointments.eof()) { getline(Appointments, line, '\n'); // getline reads a line at a time appointment.push_back(line); cout << i << …

i am not saying that all of my jar files are not working. in fact, all of them do work so far except for this one game that i've made. it runs perfectly in my editor, but its jar file will not execute. i checked its MANIFEST.mf file and the …

Hey guys, I made a program and i was just wondering how to change the icon because right now all its showing is the application file icon. So Any help is appreciated. Thanks! P.S: I already tried resource hacker, and I probably did something wrong but it didn't work.

Hi All I have a simple quick question: does anyone have any recommendations on a graphing with C? I've done some graphing in the past with Python using Matplotlib and rather than re-invent the wheel I was hoping that someone might be able to point me in the right direction …

Hi there, I am supposed to make a Java programme called prize collection My programme is a follow: [code]import javax.swing.JOptionPane; import java.util.*; import java.lang.*; public class PrizeCollection { public static void main (String[]args) { // Declare variables and arrays which will be used in the programme String[] Name = new …

Hey all, I am designing a budgeting program, not for any particular reason, and am having trouble with my new budget "wizard". I'm just storing the budget info in an xml file, and so far the program can load and modify info (I've yet to implement saving), but it cannot …

I wanted to install a GUI toolkit for python and pyqt looked good but when I install the complete binary on the pyqt site and run designer, I get this error when I try to go to the code [IMG]http://i167.photobucket.com/albums/u154/Final_04/pyqtdesignererror.png[/IMG] Anyone know how to fix it? And if not, can …

#include <iostream> using namespace std; #include <iomanip> const double minimumFee = 7.00; const double hourlyFee = 1.75; const int numOfCustomers = 12; const int numOfMinsPerHour = 60; void inputAndValidate(int&,int&,int&,int&); void convertToMinutes(int&,int,int); void convertBackToTime(int&,int,int); double calcCharge(int,int,int); int main() { int entranceMinutes,exitMinutes,entranceTimeInMins,exitTimeInMins ; int minutesParked,parkedMinutes,entranceHour,exitHour,parkedTime ; int parkedHours; double charge ,totalCharges; int …