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 | Hi I have written a program in c++ and I feel that it is a bit slow for very large datasets like > 1GB. Well I am not that confident in char* since I have just started coding in c++. So can anybody help me to make it more efficient …  |
| | Why does this raise an error? I'm trying to add a value to the [0] index for the list [CODE]mylist=[] mylist[0]='hello'[/CODE] |
| | hello everyone, i'm wroking with a List<string> and i want to copy it's values into a variable string each but i keep getting an index error. i declared a class library which looks like this: [CODE] public class SalesData { public List<string> GetSales( string Clientname, string Empname, string Breadtype) { …  |
| | Hello all, I'm writing a program to keep track of my swim team's test set times. I would like to display the information in a table like form to edit all of the swimmers and times at once. I'm using this object: [code=c#] public class TestSetDisplay : INotifyPropertyChanged { string …  |
| | When running this code --> [CODE]Private Sub cmdSquare_Click() Dim i i = InputBox("Please enter a number.", "Input Box") MsgBox "The square of " & i & " is " & (i ^ 2), vbOKOnly, "Result" MsgBox "The square root of " & i & " is " & Sqr(i), vbOKOnly, … |
 | Hey guys, I have one stupid problem with the return value of one function... this is my code: [CODE=Java] private boolean check(String mail, int N){ // mail = The mail // N = The sum of the characters before the @ and including it him if(mail.substring(N) == "hotmail.com" || mail.substring(N) …  |
| | Hello all, I have written a program that stores randomly generated numbers between 0 and 19 into an array of 100 elements. I create a frequency array of 20 elements that shows the frequency of each number and print it's histogram. Now, I'm suppose to increase the frequency array by … |
| | Hi all ! Can anybody tell me why the following code is not copying the file from source to destination? Thakns in advance........ use File::Copy; my $source="C:\\shared\\8.4.1\\DXSI"; my $dest="C:\\r45"; my @files; my $file; opendir(DIR, $source) or die "can't opendir $source: $! \n"; @files=readdir(DIR); close DIR; foreach $file(@files) { print "\n … |
| | I have an input box in my program and I want to be able to control the flow when the 'cancel' button is pushed. Any help would be appreciated. |
| | Hi, I have some experience with C++ and FORTRAN. I would like to write software to help me visualize shapes in a GUI-based program. Where is a good place to start? Books, websites, etc that would help me get an idea of what is needed would be good. Thanks! |
 | This should be pretty simple, We have written a script that calls certain information from our database then we use a simple echo to show the information on our other .php pages. What we need to do is be able to show this same information on html pages as well. … |
| | I'm not very math profficient yet, since I haven't taken enough Math classes at school, but we're covering asymptotic notation and running times of algorithms in class, which seems pretty mathy (yes mathy is a word). Anyways, first, I need to clarify: upper/lower bounds refers to max/min cost of an … |
| | Hello daniweb. I'm working on a Poker Holdem Application and I'm trying to work on a view/jframe for it. Everything was running smoothly until something weird happened. After deleting an old hand-coded MainFrame which extends JFrame file, I tried to create a new MainFrame/JFrame file but this time using netbeans … |
| | Hello, I have 2 php forms, the first that takes the input and sends it to the second form which checks to see if the fields are empty. What I have to do is if both fields are not entered is return to the main page and highlight the field/s … |
| | I have a register and login code, but i don't know when the user register to automatically make user page.Can anybody help me?  |
| | Dear Friends, i have developed a software which have Mdi contianer, the problem is that, 1. when i click on the empty space of the main form i.e (Mdi container FORM) all other windows goes behind this Mdi container window *I would like then to stay on top of the … |
| | Does anyone know how to change the colour of strings using x86 NASM Assembler? I've found tutorials like this: [CODE] mov ah, 09h mov al, 97 mov bx, 100b mov cx, 01h int 10h [/CODE] Which prints the letter "A" once in the colour you choose. This is a handy …  |
| | I am migrating scripts from UNIX server to a Linux. In the perl script it calls rcp to transfer files. It worked ok in UNIX but not in Linux, which has scp, I dont want to do scp now as this is a temporary Linux Box I am using. I … |
| | I have been assigned to write an algorithm. I would like to know if there is a way I can get some of you to look at it and tell me if I am correct. I know according to the rules I am not just suppose to post my work. … |
| | Is pass by value and call by reference the same? I mean i know theres no call by reference in C but there is similarity int he output of the two isn't it? why do we use call by value and pass by value? what are its uses? |
| | I wonder something about finding a specific character in a string. What I am trying is to find "*" and if that character is found in the string, I will write "Found" to a file. When running the code below. All this is happening but the same thing is happening … |
| | im just so stressed and having a mind block.. i have code please help [CODE]#include <stdio.h> /*pre-defined processor statements*/ #ifndef __OPERATION__ #define __OPERATION__ #define TOTAL 0 #define ADDITION 1 #define SUBTRACTION 2 #define MULTIPLICATION 3 #define DIVISION 4 #define MODULAR 5 #endif int main() { /*assign the variables*/ int num1 …  |
 | Hi everyone....I have a problem on my php date function... and i hope someone will help.... the PHP date function outputs incorrect results... It outputted incorrect date which is 8 hours late.... and i found out that the timezone has been set to UTC. So ive search the net and … |
| | hi i have a question about formatting combo boxes. i have 1 combobox on the form with a label and a calculate button, the combo box is layed out like this 180 / 50 like a tyre size. The calculation to be performed is the 1st number X the 2nd … |
| | I have a shopping cart page where if an item is Real Estate Forms 2d then there will be a sales tax assessed. If it equals any other item there will be no sales tax assessed. The problem I am having is I can't get a sales tax assessed for … |
| | I have already completed my hex to integer conversion function which works properly with the provided driver. However, my integer to hex function gets stuck in an infinite loop and I have no clue why. The red section of my code is the function which is giving me problems. Everything … |
| | I have a newsletter that sends out a notification to members with in 30 days of expiring. The way it works is the script populates an <option> from the members table who fall with in the thirty days. All I want to do is be able mask the $to recipients … |
| | hello all, as i know that if we don't want to specify the static path of databse then , we can use "Server.mapPath" like,( in any .aspx page ) [code] str = "Data Source=.\\SQLEXPRESS;AttachDbFilename=" + Server.MapPath("student1.mdf") + ";" + "Integrated Security=True;User Instance=True"; [/code] but my question is that , why … |
| | Hi!!! I am using following code in which I am generating the latex format. Here I want to use the combination of characters[A-Za-z], numbers[0-9] ,special charactes(like Ï€ ,θ ,α ,β ,γ ,°,+, - ,×,÷,√ ,(,)etc) ,decimal numbers. For entering special characters I have used toolbar Can anyone tell me how … |
| | Hi, First of all, I'm no database expert. See me as managing a project where this problem occurs. We are building a system that will enable us to roll out Windows Patches automatically to all Windows systems we manage. We use WSUS on SQL Server 2005/SQL Express. The application will … |
| | I want to find the capacity of my data fields....how can i calculate capacity of varchar(10) or int(15)...???? (in kilobytes s or megabytes s) please help..t hankx in advance. |
| | We've had an old website move server but am having lots of problems with it, plus it's been nearly two years since I did any PHP so any help would be greatly appreciated. Have sorted some problems out but am stumped by this one. Have stripped the code down to … |
| | Now code looks like this... [COLOR="Red"][B]No links(page navigaton links) working...[/B][/COLOR] i think(not sure) problem @ line no 55, 66 & 77...(query part of URL). [CODE]<?php //CONNECTION TO DATABASE! $host="localhost"; // Host name $username="root"; // Mysql username $password=""; // Mysql password $db_name="accounts"; // Database name $tbl_name="login"; // Table name $tbl1_name="details"; // … |
| | My code so far opens a text file in a particular format and reads in the data into a structure called salesRecord. There is no problem there. The problem arises when I write the data to a new binary file. Here is the structure: [code=CPP] struct salesRecord { int custNo; … |
| | I have been coding for a little bit in VB mostly and decided to try C right all is dandy until I try using a function I am getting a conflicting types error in function encrypt here is my beautiful code [CODE]#include <stdio.h> #include <stdlib.h> int main(int argc, char *argv[]) … |
| | how to i use master & detail table concept using datagridview in c#.net. |
| | hi i'm using asp.net to create an online order form. i have 4 textboxes and i want to save the information from the textboxes to my database on click of a button. dbName = BikeOrderdb txtQty, txtBikeId, txtBikeName, txtPrice [B]Can you please help me with the code for connecting textboxes … |
 | I encountered some code at work that got me thinking. There was a util - class that had some methods that had nothing to do with the state of the class. They were all "util" methods. Meaning that they could all be declared static with [U]no[/U] problem because the only … |
| | [CODE]package Add; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts.action.Action; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionForward; public class AddSuccessAction extends Action { private final static String SUCCESS = "success"; public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { … |
 | Is it possible to iterate through an anonymous array of strings with a for loop? Here's what I'm trying to do:[code]for ( i in ['country', 'city', 'state'] ) { doSomethingWithString(i); }[/code] What I want is the string, but what I'm getting is the index number of the array, which I …  |
| | I've written a program like the follow: [CODE]int main () { . . . . ifstream file1; ifstream file2; ofstream simiralities; simiralities.open("P(0)_P(1).txt", ios::app); file1.open("test1.txt", ios::in); while (!file1.eof()) { . . . file2.open("test2.txt", ios::in); while (!file2.eof()) { . . . . } file2.close(); } simiralities<<number; file1.close(); simiralities.close(); return 0; }[/CODE] the … |
| | [code] public partial class FrmOnline : System.Web.UI.Page { string Query; SqlCommand cmd; SqlConnection conn; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { OpenSQLConnection(); SqlCommand cmd = new SqlCommand("select * from Info1 where UID=1", conn); SqlDataReader dr; dr = cmd.ExecuteReader(); while (dr.Read()) { dr.Read(); TextBox1.Text = dr[0].ToString(); } } … |
| | Can anyone tell me how can I enable one and only one whitespace to be entered in the textbox such that user can press spacebar only once while entering the string in the textbox and not more than once........... Kindly provide me some solution............. |
| | Apologies for the huge post! I am having trouble with ajax right now on my site: (This site is only a first draft and has a few nav problems with the flash - will sort it soon) My main problem is I have an Ajax code on the index page … |
| | I want to change cursor type & backcolor when mouse moves over a td,Suppose I want to chnage the cursor to Hand, & backcolor to Blue on mouse move, & on mouse leave i want to change the cursor to default..How to do it????????? |
| | I had to take computer science for my major, but I have no idea what's going on in this class. I have to write an algorithm that reads in ten positive integers from the keyboard (upper size limit is 99). Output the additive total of the ten numbers and also … |
| | hi, can any one tell me how to autocomplete a textbox using mysql database's data in c# .net 3.5 & how to use one form's value to other forms in windows application in c#.net & how to use master and details table concept here using c#.net. please help me...... |
| | Hi , I want to know, how to implement vtable in C. This is achieved through virtual functions in C++. I feel we need to do what c++ compiler internally does, But i am not sure on the entire implementation. Thanks. |
| | I am currently having problems with my getline in main. Whenever I use it, it prints out the last word in my input file twice. I do not know how to get rid of it. Any help is appreciated. [B]Input file:[/B] noon dog race car cat mom bob [B]Current Output:[/B] … |
| | I want the cursor to be in a particular textbox when the page loads. I achieved it using document.formname.formname.focus() But the textbox has a default text. And i want it to disappear once the user starts typing. how can i get rid of this default test ? |
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