Software Development Forum

When I ran a program that had a list of integers with 5000000 elements in it, I was surprised to find that it used 118MB of memory, even when the *only* thing done by the program is the creation of the list. As far as I understand, each node in …

Hi i would like to know how to get my script to run a list of 15 urls and blog lists I have no idea how to code this can you please help me so that i can submit 15 urls My code is; [CODE]using System; using System.Collections.Generic; using System.ComponentModel; …

Hi! I am using the Boost uBlas interface for matrices and I'd like to be able to create matrices with the following syntax (or similar): [CODE] typedef boost::numeric::ublas::matrix<double> Matrix; //for clarity Matrix mat = {[1,1,1],[2,2,2],[3,3,3]}; [/CODE] The actual matrix should be 3x3 and look like the following - 1,1,1 2,2,2 …

I have a Splash Screen (which is the first thing that loads). and after 10 seconds of viewing the splash screen i want a form to appear... is that hard to do?

Hello all, How are you? Hope well. Just a quick question. I have a file which contains abstracts (small texts) and i am looking for certain keywords and their frequency. These keywords are provided from another file. I was thinking to read the keyword file first and the perform a …

i created a scanner code using flex++ but when i compile that code it give me lots of error like: In member function `void yyFlexLexer::yy_load_buffer_state()': In member function `void yyFlexLexer::yy_init_buffer(yy_buffer_state*, std::istream*)': In member function `virtual int yyFlexLexer::yylex()': and others please help me out

hello, i'm doing a project related to steganography and i need to know if there is any possible way to alter the value of red color of a pixel and keep other two(i.e green and blue) unaltered.. please help.. very much in need, regards, Pruthvi kumar

Hi Everyon. Sorry to bother you all again. but I cant seem to figure out a solution for comparing information in these comboBoxes. What I want it to do is take the information the user selects and compare it with another drop down. so lets say one drop down says …

hi, well i have posted this on two other forums without success, hoprfuly you guys can help me ! the scenario - i have a native c++ dll that creates and initializes a string, which is a char array. [CODE] char pRet[1024]; memset(pRet, 0, 1024); strcpy(pRet, "change me!"); [/CODE] the …

Hello everyone I m using java and ms access. I want to retrieve values from database into combo box. When I m trying to do this, only first value is getting displayed in combo box insted of list of all items. can you plz help me with the code? Thanx …

Hi all, I have a Database program and I want the initial Database to be installed, when the program first runs. How do I make a chunk of my program to run only once ? thanks Zvika

If I end my cost of .60 cents with a [B]NICKLE [/B]or a [B]DIME [/B]I get a 2.####.E number. If I end the total cost with a quarter I don't get a big number ( Wrap around number right ? ) Can anyone tell me why? [CODE]#include <cstdlib> #include <iostream> …

Hi, Can anybody tell me how to access hard disk partition information or MBR content through Visual C++ Programming? Suggest me how should i do programming and which API i should use for this purpose. Bye.....

Hello all Just joined the site - mainly due to the fact that 7/10 times I Google a problem this site comes up :) Not looking for an easy ride, but can someone point me in the direction of a site/tutorial that shows how to run a loop periodically? What …

I need someone to help me with VB6 codes to add new columns to already created Access database table at run time. Secondly, i needed to create a duty rota table that keeps track of staff duties for 365 days. I am a bit confuse as i intended placing the …

A pair of (positive) integer numbers are called twin primes if they are both prime numbers and the difference between them is 2, i.e. they are consecutive odd numbers and they are prime numbers. (3, 5), (5, 7) and (11, 13) are three examples of such pair of twin prime …

I have the line [code=c++]#include <algorithm>[/code] at the top of a file, and the line [code=c++]nth_element(minRollArray,minRollArray+n,minRollArray+numSets);[/code] in one of the fuctions in that file. However, when I try to compile it I get the error error C3861: 'nth_element': identifier not found at that line. I would expect this if I …

Please let em know if this is valid....... I am trying to run mysql from my shell script by passign a parameter.the sql(script.sql) is in directory $mydir and the parameter is $date and trying to run it this way: un="username" pd="PASSWORD " dbname="dbname" result = `mysql($un,$pd,$dbname,$mydir,"script.sql",$date)` I am trying to …

Hi guys, am currently creating a client/server program. However im having trouble reading from a text file. Im not sure whether fgets or fread is better in my case. Basically my program requires user to input a country, and the program will display its details out.My question is, what method …

Hi, I would like to know if it is possible to obtain a color picker in c#, something similar to the properties dialog box in .NET. My application requires choosing the color dynamically. I know that there is a ColorDialog control, but I assume that the color picker is far …

[CODE] using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.Win32; using System.Deployment; namespace RegisteryCheck { class Program { static void Main(string[] args) { ApplicationDeployment ab = new } } } [/CODE]

There is a small program. [CODE]#include <stdio.h> void f(char **p); int main() { char *argv[]={"ab", "cd", "ef", "gh"}; f(argv); } void f(char **p) { char *t; t=(p+=sizeof(int))[-1]; printf("%s\n", t); }[/CODE] Assume the size of int is 4, I was asked to give the running result of the following code segment. …

I've been looking around for some good DLL Injection tutorials, because I would like to create a DLL Injector, mainly for educational purposes. I've looked around on google for the past 20 minutes and the only things I've come up with are debates on whether its possible or not. I …

Hi, How do I pass data between two open forms? I have form1 that contains all sorts of definitions for Stocks, Bonds etc located in a DB. Through form1, I can open the form2, which is a form for searching the Stocks. I want to pass the search result from …

I'm using a dictionary to store my Foo classes. [CODE] class Foo { int i = 0; public void Update() { i++; } } Dictionary<string, Foo> fooDictionary = new Dictionary<string, Foo>(); [/CODE] The dictionary contains [CODE] fooDictionary.Add("MrFoo", new Foo()); fooDictionary.Add("MrsFoo", new Foo()); fooDictionary.Add("BabyFoo", new Foo()); [/CODE] How can I iterate …

I installed c++ and started to write a new simple program.But i got a warning "Function should return a value". The source code is correct and the directories are also correct. What should I do? Pls help....

please guide me how to resize or stretch the picture with in a cell using vb 6.0

Basically, I didn't know where to put this so I choose the Super of the 2 Languages. Our lecturer gave us an assignment to lay out diff. b/w C & C++, which started with a rather dirty spurge of concepts. He stated: In C program , the MAIN() should NOT …

hello i have problem on this program i don't know the formula to get the exact parking time, rounded total and total charge...please help me... Write a C program program to calculate the parking fare for customers who park their cars in a parking lot when the following information is …

[CODE]totalRows = int(raw_input ("Please enter a number: ")) for currentRow in range(1, totalRows+1): for currentCol in range (1, currentRow+1): print '*', print print for currentRow in range (1, totalRows+1): for currentCol in range(1, currentRow+1): print '*', print[/CODE] Output * * * * * * * * * * * * …

Hello everyone. I already know the C code required to use SQL statements within C++. Using mysql_real_connect, I was able to establish a connection to a remote MySQL server. The problem is, even though mysql_real_connect did not RETURN NULL, (meaning that a connection to the mysql server was established) I …

guys i cant hit on the rite path...i love programming and i recently decided to go with java..but some people say that go with vb.net its better than java because its more demanding while i think that what ever you do,do it way that no way is better in that …

Having homework issues again. This code compiles but when I try to execute it it gives me an "exception in thread main java.lang.nosuchmethoderror main" Can anyone help me due tomorrow....Thanx [CODE] import java.awt.*; import java.awt.event.*; import java.text.NumberFormat; // used to format currency import javax.swing.*; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JButton; …

how i can print something , i was write it in textarea , labele , any thing by printer alike word ?

I am trying to write a program that will read values from spreadsheets and stuff and I know I need to use CSV files instead of Excel files and stuff, but say I want to just read a single entry at a specific coordinate how do I access that one …

I was copying a c++ program and i came tosee something like this: char a[10][10]= {....} What does a[10][10] means?? what does the symbol [] do? Pls help me...

Hi.. I will make a "release" of a project I have done in VC++ 2008 Express Edition. I go to: Project/Form1 properties. Here I choose: Configuration: Release In the General tab, I choose: Output Directory C:\Release & Intermediate Directory: C:\Release. In Debugging tab I choose: Command: C:\Release Now I press …

I am trying to use an event box with a label inside to create a custom button. I found an example online to create a button using an event box but when I tried to load the event box button into a VBox I ran into errors. Does anyone see …

Hello. I'm trying to write a program witch asks you to write delay and then counts time left. But it's not working how it should. If i write number 9 or less it's working fine. But if i write number 10 or more it prints numbers wrong, ex. ir write …

ITunes Library Persistent ID Editor. Sample usage: [CODE]fxml = 'iTunes Music Library.xml' # path to xml file fitl = 'iTunes Library.itl' # path to itl file itk = ITunesLibKeys(fxml, fitl) print itk.file_xml # prints path to xml file print itk.file_itl # prints path to itl file print itk.xml_key # prints …

Hi All, I am a newbie and am traking a course in Aptech for C++. Now my instructor asked me to make a program to create, display and insert nodes in a circular link list. I have made the following code: [CODE]#include "stdafx.h" #include <iostream> #include <stdio.h> #include <new> class …

[B]using c++ is there any way to cout<<"plz help"<<endl; // only when the space bar is press not enter [/B]

Hello guys ; I have a question in java . is it possible to great a method in java program that : if ( user press "Enter" ) do some thging I tried this simple examples , but dosn't work with me [CODE] Scannaer in = new Sccanner (System.in ) …

Hello, Is there any way of checking all elements in a queue without calling pop(). [code] while(!q.empty()){ cout << q.front() << endl; q.pop() } [/code] this is essentially what I have done. There is a bug in my program and I'm trying to check what is wrong. I don't want …

I'm trying to create a string array, but the compiler keeps giving me an error message on the lines I assign a value to each index of the array. Here's the code: [CODE]String[] greeting = new String[4]; greeting[0] = "Why, Hello there!"; greeting[1] = "Welcome."; greeting[2] = "blah blah blah"; …

class Superclass { void display() { System.out.println("Super"); } } class Sub1 extends Superclass { void display() { System.out.println("sub class1"); } } class Sub2 extends Sub1 { void display() { System.out.println("Sub class2"); } void display2() { System.out.println("Second method"); } } public class reference { public static void main(String[] args) { Superclass …

hi, I am using mingw32-gcc-3.4.2 inside a windows XP Professional SP3 computer. For my project I uses libcomctrl32.a library.The compilation goes without an error. and linking too.But the problem is it crashed on the runtime.Then I add the -g option and debug it. Here is the stack trace that I've …

*ptr++ and ++*ptr are they representing the same expression if not then how they are different according to precedence ?

Take for example, the number 74.38145. The user inputs how many decimal points they wish to have displayed via the sprintf_s function. I can't for the life of me figure out how to best do this. I know how to display the float to a set number of decimal points: …

Hi guys, i compiled a program but i have this vague error message that occured. Searching through google.com states that it might be due to many problems such as invalid pointers, etc, etc. Im a fairly new person to C prog, so i would like to seek your advise on …