Software Development Forum

Hello, I have a query on dynamic allocation of memory in C. I am storing 4 seconds of audio data in a buffer allocated with sufficient memory using malloc function. If I wanted to record another 4 seconds of audio in the same buffer, I would have to increase the …

When I put these code in my project. It suppose to display error box when no input is enter, but there no dialog box is pop up. What else do I need for this code to work? Here part of the code I want it to work [CODE] if( costKwhrField.getText().length() …

i am facing problems of destructor in the following code.destructor is not working.can any one help plz???? [CODE] #include<iostream> #include<cstring> #include<cstdlib> using namespace std; class strtype { private: char *p; int len; public: strtype() { p=(char *)malloc(sizeof(char)); *p='\0'; len=0; } void getString(char *str) { len=strlen(str); p=(char *)realloc(p,sizeof(char)*len); strcpy(p,str); } void …

[CODE]#include<iostream.h> class alpha { int x; public: alpha(int i) { x=i; cout<<"\n alpha constructor"; } void show_alpha(void) { cout<<"x="<<x<<"\n"; } }; class beta { float p,q; public: beta( float a,float b):p(a),q(b+p) { cout<<"\n beta constructor"; } void show_beta(void) { cout<<"p="<<p<<"\n"; cout<<"q="<<q<<"\n"; } }; class gamma:public beta,public alpha { int u,v; …

hello all i have a finished program that i worked on last week and i think is running well but i wanted to know how to convert it to have JTextField where the user inputs a value which must appear in the upper part of the frame. There should be …

I have a form called privateOrder, and two other forms. in the first form when I double click on a datagridview it opens the privateOrder form. in the second form I have a button, when I click it also calls the privateOrder form. I want to know if there is …

Hey all, I wondering if you could help me get my head around this problem. [CODE] connetionString = "Provider = Microsoft.ACE.OLEDB.12.0;Data Source = KellihersLawnmowers.accdb" cnn = New OleDbConnection(connetionString) cnn.Open() overDue = "SELECT tblCustomer.*, tblMachineHistory.*, tblPayments.* FROM (tblCustomer INNER JOIN tblMachineHistory ON tblCustomer.Customer_ID = tblMachineHistory.Customer_ID) INNER JOIN tblPayments ON tblMachineHistory.Machine_ID = …

I'M reading the book that's in the title. Let me show you what's going on. I'M given the following code, an example of Inheritance. [CODE]using System; namespace CritClone { class CritViewer { static void Main(string[] args) { CritViewer cv = new CritViewer(); }// end main public CritViewer() { Clone myClone …

Hi, i'm writing a project for my A-level course in python and ive come to a problem, i know the forum rules say not to expect a quick sollution and i dont want that as i like to understand things instead of doing them blindly. i've written a class which …

Again I have problems with my classes :s I want to test if there is still text in the text_ctrl, if so it should give a warning in which you can chose to cancel, save or continue; but somehow the [icode]deditor.st = "continue"[/icode] is not passed :s [code=python]#!/usr/bin/env python # …

Hi. I have never used a command-line compiler before and I'm very confused now. I need to use this compiler for my home assignments in one of my subjects in University. I installed the compiler but I don't know how to use it. Help file says: [I]To see a list …

Hi I have what at first seemed to be a very simpe problem: I have a Microsoft Package that requires me to use nmake to make a lib file. I am unfamiliar with make files as I use visio and XP. Now I had to move somethings due to restricted …

Trying to use an oledbdatareader to search through a table in my Access database. When I hit the command button to search it throws an error that says no data exists for row/column, but if I execute the command against the database it returns exactly what I am looking for. …

Hi everybody, I need to consume a web service through a .net mobile application - i have written both the web service as well as the mobile app. However there is an issue when emulating the system as the .net emulator cannot understand the ''localhost'' url. Is there a solution …

how i can solve this problem..... generate the following staircase pattern(using loop operation) 1 2 4 3 6 9 4 8 12 16 5 10 15 20 25 6 12 18 24 30 36 7 14 21 28 35 42 49

Hi, i download wmi from this: [url]http://timgolden.me.uk/python/wmi/index.html[/url] (windows version) [CODE=syntax] import wmi c = wmi.WMI () for process in c.Win32_Process (): print process.ProcessId, process.Name [/CODE] And run this script in Python 2.6 IDLE Show this error: Traceback (most recent call last): File "C:\Users\lola\Desktop\test.py", line 1, in <module> import wmi File …

I am trying to render a very simple scene by loading various parameters from a file (MLC.txt) When compiling I receive the following error main.cpp: In function ‘void renderScene()’: main.cpp:77: error: ‘pBeam’ was not declared in this scope H

I need help with something I'm working on. I'm new to python so bare with me. I have a string being randomly generated in such format (example): [CODE]F' B D D2 A2 C'[/CODE] [I]6 Letters from A to F with ether a number " 2 " or " ' " …

Hello, I can't understand what compiler wants from me. I trying to create quite a big class structure with many abstract classes. Below is a part of the code with some of them. The compiler doesn't like my classes and says the he needs more constructor which I don't understand. …

hi i m new c# and this is my very 1st project ,here i want to add or view data and this is the code i have used.everything works fine but i cant navigate through records properly,i m working with 2 tables i.e BankMaster and BranchMaster [ICODE] private void branchmaster_Load(object …

Hi, I want to parse a date and change the format using python. Date has the format like 'Mon Feb 15 2010' and i want to change the format into '15/02/2010'. Any one can help me. Thanks in advance. Nimmy

Hello world, I would be grateful if you helped me. I've built a text editing application and I would like it to load values/user settings from the Windows Registry. Here's my code but it is somehow wrong (I believe it whatsoever has to do with wrong syntax but it could …

Please help me for my syntax error? and I want to show all the First Middle and Last Name in the listbox i.e. into Listbox First Middle Last Amit Anoop Motwani

Hi.. I suppose to have a programe to read a data from a file and enqueu it to the Queue. The programme works like a Priority queue whether the ladies queue need to be inserted to queue first before the gentleman... But i think i need to try first how …

Hello everyone! This is the code for my A86 Assembler: [CODE] jmp _executor _executor: mov ah, 00 mov al, 18 int 10h end _executor [/CODE] It Assembles fine, but when I try to run it, I get this dialog popping up, saying: [QUOTE] This system does not support fullscreen mode. …

I have an application in which I am using vb.net and excel. Daily readings are taken, written into vb.net and then saved into excel. At the moment i have it set so that: [code] If Gdate = "12 February 2010" Then .Range("C4").Value = TextBox1.Text .Range("C5").Value = TextBox2.Text .Range("C6").Value = TextBox3.Text …

can somebody tell me how to get file type..of any file..For .txt file file type is [B]Text Document[/B],for doc file - [B]Microsoft Word Document[/B] & so on. Plz help me out,I m not finding anything on the net related to it.

I cannot directly open the process who's output I need. And there is no keyboard commands to highlight text in anyway. I've found that I can find the process ID and create an object associated with that ID, but because I have to redirect the output upon initialization, I don't …

[CODE]#include<iostream.h> class invent2 class invent1 { int code; int items; float price; public: invent1(int a,int b,float c) { code=a;items=b;price=c; } void putdata() { cout<<"code:"<<code<<"\n"; cout<<"items:"<<items<<"\n"; cout<<"value:"<<price<<"\n"; } int getcode(){ return code; } int getitems() { return items; } float getprice() { return price; } operator float(){ return(items * code); } …

i recieve error message when execute my code note my code has now errors when build the solution i work on laptop with windows xp sp2 and vc++ 2008 error message misa.exe - Unable To Locate Component x This application has failed to start because MSVCR90D.dll was not found. Re-installing …

Can someone please explain the meaning of these return 1 vs return 0 vs break. I know 1 generally means true and 0 generally means false but how would they effect a return statement? Also when would you wanna use a return statement instead of a break statement and vice …

Hello, I'm trying to do the following program in JAVA. I find JAVA very confusing. Liked C++ much better. Anyway, here's what I'm trying to do: [quote] Develop a program for a small auto dealership. This program will keep track of the auto inventory using an object of the class …

Hello. I am having a problem with this certain code. Every call with this method (listI()) will return a node. After the list reaches null, it will go back to the start. On the first call on the tester, there is no problem. But when the method is called for …

I am trying to write a program that will work like a hangman game. I have a loop that assigns the characters to their spot in the string and is supposed to end if the newly assigned string equals the original word. If the letter guessed is correct, nothing should …

Hi, I'm having trouble getting my sendmessage function right. I want to send a click on a specific coordinate to the window. I know this is the api: [CODE][DllImport("user32.dll")] public static extern int SendMessage( int hWnd, // handle to destination window uint Msg, // message long wParam, // first message …

Ok I'm trying use scrapy (python module) to get stats off [URL="http://www.nfl.com/stats/categorystats?archive=false&seasonType=REG&statisticPositionCategory=RUNNING_BACK&d-447263-o=2&conference=null&d-447263-s=RUSHING_40PLUS_YARDS_EACH&experience=null&d-447263-n=1&season=2009&qualified=true&Submit=Go&tabSeq=1&d-447263-p=1"]Here[/URL] and I got the Xpath using Xpather plugin. [CODE]/html/body[@id='com-nfl']/div[@id='doc']/div[@id='doc-wrap']/div[@id='main-content']/div[1]/div[2]/div[1]/form/table[@id='result']/tbody[2]/tr[1]/td[2][/CODE] The prob is that the TRs contains all the players and TD inside TR contain all the stats. What Xpath do I use or how do I loop through …

I'm trying to create a program in C# that allows for arithmetic of Complex Numbers. Just adding, subtracting, multiplying and dividing. Anyone got any suggestions?

Hi. Im working on a text-based "game" that uses strings to generate maps. So I need to split these strings into bits that i can work with, but somehow the .split method kills the white space in my string. How can I get around this? Of course I can force …

I have made a window application using Visual Studio2008,C#,MS Access database. In my application there are three tables "country","state","person" .On the form,there are 2 comboboxes one for "country" and other is for selecting "state" , also a textbox for entering the name of a person for each country-state pair. Now …

is there any place i can find some Open Source cell phone code written in Java, where i can use a IDE and check it out and maybe even test it on my phone?

Hello all, When I try to compile a small program I am getting an error that I do not quite understand. I get this error: media_tracker1.c: In function 'add': media_tracker1.c:152: error: expected expression before ';' token when I try to compile this code: [CODE= "c"] #include <stdio.h> #include <stdlib.h> #define …

I have to write a program that accepts a pointer to a c-string as its argument. The function should return the charater that appears most frequently in the string along with the number of times it appears. for example, if i input "hello dolly" the output would be: "l sppears …

hi, I have a problem with BST. For example after the insertions of below numbers, 23 1 45 2 3 5 52 234 31 The output should be like this way: [B]23[/B] [B][/B][B]1,45[/B] [B][/B][B]-,2 | 31,52[/B] [B][/B][B]-,- | -,3 | -,- | -,234[/B] [B][/B][B]-,- | -,- | -,- | -,5 …

hello please help me on this...i have txt1.text that can input only pcs and ream ..my problem that if the user will use the uppercase PCS it will not accept because my trapping is.. if Trim(txt1.text) <> "pcs" and Trim(txt1.text) <> "ream" then msgbox "please input pcs and ream" exit …

[CODE]if(num/100>=1) { x=num/100; switch(x) { case 1: cout<<"one hundred "; break; case 2: cout<<"two hundred "; break; case 3: cout<<"three hundred "; break; case 4: cout<<"four hundred "; break; case 5: cout<<"five hundred "; break; case 6: cout<<"six hundred "; break; case 7: cout<<"seven hundred "; break; case 8: cout<<"eight …

Hi Friends, I have no clue how to solve following C++ question.I am a learner.Thank you in advance. Question -- Simulation and use of random/io libraries A recent New York Times article featured a report on the usability, stability, and effectiveness (or lack thereof) of current electronic voting systems. By …

here's another one that i've been struggling with. I need to create a phone number that can not have an 8 or a 9 in the area code. I thought it would be smart to simply generate the area code one number at a time .............. num1 = generator.nextInt(7)+ 1; …

Hi frens, I couldn't compile this solution code given by my university on visual studio.Visual studio works fine with other C++ files. Here are the question and solution code pasted below.I wonder if anybody could try to compile the solution code on thier machine and see if they can run …

Hi all. Please edit/add/help me make this blackjack program work. Thank you. class Card: def __init__(self, suit, rank): self.rank = rank self.suit = suit if self.rank == 1: self.rank = "Ace" self.value = 11 elif self.rank == 11: self.rank = "Jack" self.value = 10 elif self.rank == 12: self.rank = …

I have to create a program that handles random birthdays between 2 and 50 students (depending on what the user inputs), and calculates the random birthday (1 to 365) and then determines whether or not students share the sam birthday, and how many students share it. I'm stuck on how …