Software Development Forum

Hello. Can anyone please explain why the following code is not producing any runtime error? [CODE]int a[] = {1, 0}; printf("%d", a[-1]); [/CODE] PS:im using VC++ 2008. Thanks.

My friend said me a document that contains a large no. of spaces for eg- Where is the CeBit computer show held annually Hannover, Germany What is Error 403 ? Site Access Forbidden/Password Protected What is Error 404 ? Page/Site not found -in HTTP What is HotJava First web browser …

I made a quick program as my first venture into c++ but it seems to be buggy. As far as i can see my code seems logical, but the endl; above firaddress seems to be interfeering. Can anyone help please? [CODE]#include <iostream> #include <string> using namespace std; int main() { …

Can anyone help me in join the 3 combo boxes with filters The main idea is there are 3 combo boxes when we select an item in the first combo box the related items should apper on the remaining 3 combo boxes and when we select an item on the …

Hi guys, Please help me when i install my application on clients it only connect with one user like Naveed/Password on domain but when i login on domain by using other user it gives me connection error what should i modify in my connecting string. [CODE]"PMS.My.MySettings.ConnectionString" connectionString="Provider=SQLOLEDB;Data Source=ITS;Integrated Security=SSPI;Initial Catalog=Payment"[/CODE] …

hi all can u pls help me regarding iterating through an integer variable within a subprocess call here is what i exactly want to do for n in range(1,16): subprocess.call(['snmpset', '-v2c', '-c arct1c', '192.168.5.157', '.1.3.6.1.4.1.18489.1.2.1.5.1.2.0', 'i ','n']) i.e., i want to iterate through snmpwalk..but its not working:( it shows 'bad …

Hi i am using C# to connect to Access database. The problem i am facing is not with database though. I have used a statement like [CODE]string.Format("UPDATE TABLENAME SET FIELDNAME = '{0}' ", txtMembers.Text);[/CODE] the problem i am facing is if the user enters 'hello', the whole text along with …

I haven't noticed this until I tried it today and boom! Compiler complained: [COLOR="Red"] error: constructors cannot be declared virtual[/COLOR] Why then Constructor is not okay while destructor is, in such as class as this? Thanks [CODE=C++]class MyAbstractClass{ public: virtual MyAbstractClass(std::string username, std::string password)=0; virtual ~MyAbstractClass(std::string username, std::string password)=0; virtual …

Can someone tell me what wrong with this code i am supposed to create an array of struct of cars and then add 1 to the car sold then find the inventory value comprising of all car values this is my infile lexus IS 35000 10 bmw 740 90000 5 …

the following are my utility.h which i got from my professor there is error 2332 on line 5 & 6 after doing a bit of searching i do understand what does the error means but i just not quite sure how to fix it! can someone explain it to me?? …

Hello I was wondering how can I set a char limitation in my code when I am asking for an int? When you input a char my program goes crazy. Let's put the following simple program as an example: [CODE]#include <iostream> #include <iomanip> using namespace std; int main() { int …

I am taking an algorithm class and haven't coded in c in around 5 years and realized I have forgotten alot. I tried to use atoi, i know there is a better function but for what I'm using it for and my lack of knowledge now it is simpler, for …

I had just started learning C++ for couple months n this program is involved with pointer there is a bug in my "doInsert" function however, I dont seem to be able to figure out what is wrong with it every time after I enter the "position" the program crashed can …

Can anyone help me figure out why I have a segmentation fault error occurring during runtime? I'm guessing that I am accessing memory that doesn't exist or attempting to place data into a node that hasn't been allocated, but can not figure it out. FYI - It's a work in …

I have a scenario where i am given a file that contains info such as: (just a sample) img01.jpg|Washington DC|aquarium|puffer fish|seahorse img02.jpg|CHICAGO|AQUARIUM img03.jpg|Chicago|fish where the first section is the "image" (just a made-up name, not an actual image) and the rest of the words are keywords. ive been able to …

This program is suppose to grab the first letter of each name and then output the initials. #include <iostream> using namespace std; const char blank= ' '; const char newline= '\n'; void main() { //Declare character variables char firstInitial, middleInitial, lastInitial; cout<<" Please enter first, middle, and last name separated …

I'm a first semester student of Master degree and i need to implement a project in C# that uses a database with transactions and any kind of monitoring. I already know how to connect a database with C# and i know how to work with databases, but i don't have …

Good morning all. I've run into a slight stumbling block with some code I'm writing. I'm sure you've all seen the numerous Mortgage Calculator threads so I hope you're not too sick of them yet. Basically, I need my code to first ask the user for a decision, then based …

if a pointer is a dangling pointer and one applies delete[] to it. is the result defined or not. i basically have the following situation [CODE] class A { private: int *p; //other data members public: //rest of class } [/CODE] i intend to initialise p in the constructors. but …

I'm having a little trouble returning the current date from a dll function. Here is my code [CODE]LPSTR __stdcall date() { int i; char dateStr [10]; _strdate( dateStr); LPSTR string = ""; for (i = 0; i < 10; i++) { string += dateStr[i]; } std::cout<<dateStr<<"\n"; return dateStr; }[/CODE] I …

Hey! I started using java this year and I finished a java project but when I try moving it somewhere else in my directory it does not execute anymore. My project directory tree goes like this (I am using eclipse)... (ignore the "-") /Root - /bin -- JavaProgram.class -- JavaProgramMain.class …

helo all i wanted to import .csv file to my application [CODE] private DataSet ReadExcelData(string sFilePath) { DataSet dsOutput = new DataSet(); string sConnection = string.Empty; try { if (TypeExcel == "Excel 12.0 Xml") { sConnection = "provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + sFilePath + ";Extended Properties=\"Excel 12.0 Xml;HDR=YES;IMEX=1\""; } else if (TypeExcel …

Hi, i have created a data structure {heap based}, capable of manipulating up to 10 million elements....I noticed that i can't go above this number because i have serious memory leaks.... The problem seems to be that i haven't written a destructor!{i a bit used to garbage collection!} if i …

Hello. How can i use SendMessage to "press" other program's button? I don't know other program's button's ID but there is only one button in that program. I searched MSDN and found something. I tried this piece of code: [CODE]HWND hWnd; hWnd = HWND(FindWindow(NULL, "WindowName")); SendMessageW(hWnd, BM_CLICK, NULL, NULL);[/CODE] At …

hiii guys.. i am trying to make an mp3 player using ADSP 21369 processor. For that i need a code which can convert mp3(mpeg2 layer3) samples to wave samples in c. thanx in advance.

Hi ! I have one Windows Form. On it i put 4 labels and every label it have Click event. I need to understand who of labels is Clicked ? Example: [CODE]label1.Click += new EventHandler(label_Click); label2.Click += new EventHandler(label_Click); label3.Click += new EventHandler(label_Click); label4.Click += new EventHandler(label_Click); private void label_Click(object …

My problem is to design a program that uses a mathematical model for heat loss, or Tnew = Told - m(Told - Tair). It also asks me to repeat the code for 60 minutes, generating a new answer every minute. I have completed the code, however I receive no output. …

Hi out of personal interest i have decided to make a space invaders games. I know all the things i need to implement and i have done a good job if i do say so myself :D. But i have one final problem. When my space ship is just staying …

Is it possible to import a and import b, but have functions from both a and b under a different name? Example under a.py there is function jopen() under b.py there is function ropen() i want be able to call both of them from c: c.jopen() c.ropen()

So, my assignment is to take in a student ID, first and last name, and 5 test scores. I am then to average the test scores, collect all of that data into an array and output all of the information in a tabular format(which I have yet to do). I …

hi everyone! i've been trying to make a program regarding returning the number of characters with even ASCII codes. For example, if a user input ABCDE, the output should be 2 since B and D are of even ASCII codes. Here's what i've done so far... [CODE] #include<stdio.h> #include<conio.h> #include<stdlib.h> …

I have an application that, on occasion, might need to perform certain tasks on files, or other things that are "in-use" while the application in running. This is what I've tried to do, but I'm running into problems: I created an interface: [CODE] interface IShutdownCommand { void OnShutdown(); } [/CODE] …

Hi, I am working on querying a specific value from my xml file. Below is what I have so far. When running the entire script I get the error "Incorrect syntax near 'varchar'". Thanks -- Declarations needed to run sp_xml_preparedocument. This will create XML image. Declare @idoc int Declare @doc …

Hi guys, I'm working on a program which is essentially Rock Paper Scissors Vs. the computer. Anyway I'm having a bit of difficulty with it and could use some assistance. I need to use a class method, so I decided to separate the computer's choice in the class method, I'd …

Im trying to create a program which acts like a fruit machine at the moment i am writing an action listener to work with the spin JButton. i have a number of IconImages constructed. could i possibly set these images as an array and then use the random int method …

May I know how to solve floating decimal problems?

there are four playing cards . you choose one of them if selected card is 1 spades you win else you lose but ı want to make win card as random from 4 cards. i dont know how. [CODE] #include <cstdlib> #include <iostream> using namespace std; const int clubs=0; const …

hello everyone, I am using System.Timers.Timer class. its object is myTimer and am using myTimer_Elapsed event to raise the event. I have used two masked textboxes that takes start and stop time as input and one button. The timer is instantiated in button click event . The code is shown …

Hi, I have a rich text box and i like to skip enter key on the rich text box. i.e; If user pressed enter key the rich text box cursor should not move to next line rather than it should do some action. I have achived this to some what. …

Can anybody help me with permutation in c++. say if the entered string is "stop" then there must be 24 (=4*3*2*1) different words made by the letters s,t,o,p. Similarly if the entered string is "abcde" then there will be 120 (=5*4*3*2*1) different words made using the letters a,b,c,d,e. Please Help. …

hello guys i need help is it possible to check if the customer input his complete name is valid or not? if yes how?

Hi everyone, I'm having problems with the output of this coding and I would really appreciate the help. The assignment requires to show how someone's taxes are distributed by first ask the user for the amount of money (dollar[] and income) and at the same time prompt for the taxes …

Salaam to all viewers Dear please help me on this topics iam having a form,DatagridView,textbox datagridview contains a data when we write in textbox so the datagriview row select who matching data with textbox for example i write in textbox Nims so the datagridview row select where the nims find …

Hey guys, I'm working on this program. It should roll 2 separate die and repeats until the computer rolls doubles. I'm having some issues with it and could use some help. [CODE]// RollDoubles.java // import java.util.Scanner; public class RollDoubles { // Dice roll repeatedly until computer rolls doubles // print …

This is the code I have so far. I can't even get the numbers range to print to the screen correctly. I am very new to all this stuff so go eacy on me. Can anyone help?? [code=c] #include <stdio.h> #include <stdlib.h> #include <math.h> #include <time.h> int main() { unsigned …

Hi. How can I get subprocess.Popen.stdout size? Before reading from Popen.stdout I want to check its size, then get bytes from it. [CODE] def execute_bash(self): wait_sec = 5 import time import subprocess wForceKill = True res = subprocess.Popen(self.command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) for i in range(wait_sec): res.poll() if res.returncode != None: …

I am currently writing a simple program that will either allow me to add music or show all of my albums, artists, and songs. The program starts in main(); then after selecting "View Music" it goes to the viewMusic() function but runs through the function and skips the getchar() for …

Hi, please help me to get the URL from the address bar. Example when i write [url]www.google.com[/url] in my address bar my application in c# return the value of URL that is [url]www.google.com[/url] please help me to write this code. Thanks in Advance

Hi, I found a very useful app on the web. Downloaded the .class file and was just wondering if it would be possible to somehow put that app on my phone. It's a Nokia E5 and I'm certain it has java. Please advise. Thank you.

Hi, I have to make a program that takes an input text file and reverses the contents of that file, and outputs that into another text file. I am new to stacks, but what I have so far nothing happens, it just outputs a blank text file. I just wanted …