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| | Hey, I'm studying for a final exam and I came across an old question asking to give an algorithm that runs in [TEX]O(logn)[/TEX] and deletes an arbitrary element from an [TEX]n[/TEX] element [B]Min-Heap[/B] if given its index. I was thinking the right approach would be to use Hash table for … |
| | I'm working on a program that allows me to quickly write database entries. There are 123 columns, almost all of them I'm not using right now so I figured I'd write a program to speed up the process of adding entries to the database. The problem I'm having is exporting … |
 | I recently had an assignment that asked us to restrict the amount of characters a user can enter for his or her name. My professor said this is useful in the event that your program is being "attacked." The simplest solution was to use C strings: [CODE]#include <iostream> const int … |
| | Hi all, I've got a class which I would like to hold a stream used for logging. The stream should be able to be set (and possibly reset) after the construction of the object. It should be possible to set the stream as std::cout, or as a file stream to … |
| | I was wondering if there is a way to make it so that someone can only input a specific data type. My program ask for input of specific numbers for a menu. If I enter a character, the program crashes. Is there a way to make it so that it …  |
| | So I have written some code which reads a file line by line, breaking each line into characters and storing into a multidimensional array. However the program freezes and crashes at lines 31-34. When debugging the code runs successfully through the for loop once, then fails at 32 the second … |
| | I have to count the number of records being read in and print them to the screen. A record consists of: website name (temp.url), website revenue (temp.rev) and website hits (temp.hits). These are all read in and returned as temp. For the life of me though, I can't figure out … |
| | I have a program that simulates the Powerball Lottery game, i have been working on it for weeks now. My issue is with the quick pick option. when the quick pick numbers match the winning numbers it doesn't show the matches. If the user enters the numbers manually it does. … |
| | I have this form, and I want to add JS to it. I got part of it. But the hard part is the ordering menu part it's self. Can someone help me please? [CODE]</p></td><td width="359" align="right"><table width="325"> <tbody> <tr> <th width="144">item</th> <th width="75">price</th> <th width="92">quantity</th> <th width="101">sub-total</th> </tr> <tr align="middle"> … |
| | [B]Read a CSV file into a DataGridView[/B] [CODE]'12/4/2011 'Code to read CSV file with headers using 'ACE.OLEDB.12.0 Connection 'The following is a Sampling of <EXTENSION.csv> 'The CSV file contains all the Extension on my Desktop Computer 'The full file has 923 Rows with Headers: 'EXTENSION,DESCRIPTION,EXECUTABLE_PATH '.mde,Microsoft Office Access MDE Database,C:\Program … |
| | Hello :) I'm working a project for class that involves a database connection. I have an Acess database called "Libraries" that contains two tables called Libraries and Books. I have to create a form that has two DataGridViews(one that contains the Libraries and their ID #'s, the other that has …  |
| | Hi Guys, Hope you can help me with this little conundrum I'm having currently. My company has a dedicated windows server with heart internet and for means of database interaction, we've been forced to move one of our php sites to there. Everythings great and works fine - except the … |
| | I am using TinyMCE textarea. Which will be formatted text How I can insert that formatted text into table (database) as well as print value that I have inserted (formatted text) ? [CODE] mysql_query("insert into emailtemplates (name, messagebody, status) values('".$_POST['frmname']."', '".$_POST['content']."', $status)") [/CODE] [B]where $_POST['content'] is my textarea[/B] |
| | Not getting any compile error, but I'm getting an output that looks like: -858993460 5 4 3 2 Instead of 5 4 3 2 1. What am I doing wrong? [CODE]#include <iostream> #include <stack> using namespace std; template <typename T> void reverse(stack<T> &sk) { stack<int> tempStack; while(!sk.empty()) { tempStack.push(sk.top()); sk.pop(); … |
| | Hi! Can anyone please tell me where my mistake in this is? The information from the list has to be transferred to the tree. But only the first element is copied. [CODE]#include<iostream> #include<string> using namespace std; struct Person{ char first[30], last[30]; }; struct aList { char adr[30]; Person name[30]; int … |
| | hi mate. i have problem about REGEX this is my simple code [CODE]<?php $teks="hi whats up? how are you?"; $replace=preg_replace("/(you)/i",'<span style="background:yellow;">\1</span>',$teks); echo "$replace"; ?>[/CODE] what the mean \1 ? its not give effect for my text.. if i change the value to \2, the text has change.. thanks mate! |
| | Good day! I was writing a code that will compute the salary of each employee on our school depending on their position using a FileReader(File Handling). I only managed to do this code and don't know how to start again [CODE] import java.io.*; import static java.lang.System.out; public class admin { … |
| | Is Optical Character Recognition a good example/application of Data Mining techniques ? or Should Data Mining be applied mainly to web research/web tools ??? Could you please give me more examples on Data Mining that could make a good project if OCR is not good ??!! Thanks ! :) |
| | Hello, I'm trying to write a code to check if two strings are anagrams. i have already figured out a code but I can't get it to work for words of different cases and words with whitespace. I would really appreciate any input Thank you! Here is what I have …  |
| | hi how are you gays in java i have question about constructors , i just starting learning java since few weeks [COLOR="Red"]how i can define string in construtor using one argument ..[/COLOR] how many constructors are there in the string class >? how i can count the number of words … |
| | hello to all my program creates a boolean for mailing and outputs "i brought my ride " when it is false i.e the customer will not like his purchase to be delivered and outputs "your purchase will be delivered " if it is true...... my problem is it outputs your … |
| | GOOD DAY .NET PROGRAMMERS!! ^_^ [URL="http://www.daniweb.com/forums/attachment.php?attachmentid=23184&stc=1&d=1323465600"]http://www.daniweb.com/forums/attachment.php?attachmentid=23184&stc=1&d=1323465600[/URL] I'm having a problem with SMS APPLICATION "see the picture"? when i click the SEND button after typing the number of the recipient and the text messages it's not responding same as the LOAD button and nothing happens after that so i have no … |
| | In my program, I used a vector to store the file. The file contains the data (see below). Do I need to create two vectors to store the data below as integers and strings? Or is there a shorter way to do this, and just allow the user to enter … |
| | Hello all. I have a bit of a problem. I have a few php pages all encoded utf-8. A MySQL database, where it is possible to have characters like: 'á'é'ú'ő'ü' and so on, i have set with phpmyadmin to be utf8_hungarian_ci character encoding. Funny thing is, that when I write … |
| | Hello, I have a table with 10 rows. each row has 3 columns. column1 is product name column2 is a drop down box with values from 1to10. column3 is a check box. When the checkbox is checked I would like to get the entire row value (product name, quantity) Can … |
| | I get this compiler error: `Monster' was not declared in this scope, in this code: [CODE]#ifndef ROOM_H #define ROOM_H #include <stdio.h> #include <stdlib.h> #include <time.h> #include <vector> #include <iostream> #include "Monster.h" using namespace std; const int ROWS = 20; const int COLS = 20; class Room { private: vector<int> indexes; … |
| | Hi, I am trying to call a function by "onclick" event of the button. When I do that it shows error message. Can anybody help me out on this so that when I click on the button it should call the function and execute it. My code looks like: -------------------------- … |
| | Hello masters! I have a project and need a bit of your help. I would like to access/get values from certain fields from a database and assing that value to a variable. Database is included into my project along with DataSet. Is there any simple way to access certain field? …  |
| | I am attempting to create a sorted array for a class assignment but I am receiving a weird access violation error in my debug code. I have double checked all my values and nothing is accessing anything out of range. My code is below. Thanks. [code=c++] #include <iostream> using namespace …  |
| | For a school project, I am trying to make a program that gets user input and finds the factorial of the input. I wrote this bit of code and got tons of errors. Help, anybody? [CODE]import javax.swing.*; import java.awt.*; import java.io.*; import java.util.*; class TestFactorial { public int x = … |
| | I am attempting to take 2 integers from a MySql table. X represents a number that will be stored into an array. Y represents the number of times that X will be put into the array. I am attempting to make a loop that will go through, find all the …  |
| | Hi, I am trying to upload file and save data to DB. IN File only 10 row and 5 column data.(normal sample data) File has only 24.0 KB (24,576 bytes) I am using..reader.php and oleread.php to upload file But It taking More than 650MB memory (681574400 bytes) Is any [B]other … |
| | I am experiencing problems with this function: void move (Room&); For some reason the compiler is saying that this is a variable or field, here is the implementation: [CODE]void Monster::move (Room& room) { vector<int> iCoordinates; vector<int> jCoordinates; for (int i = x - 1 ; i <= x + 1 … |
| | need major help on a address book in c# using strings that does the 5 stages below preferably code help required. 1 Add Entry 2 Delete Entry 3 Print Book to Screen 4 Edit a Record 5 Search for a record using either Surname, Firstname or Road Name |
| | Hi, I want to select multiple option using check boxes(all values of checkboxes are come from database 1 ) and insert into the particular table in other database using php form. |
| | [CODE]using System; using System.Collections.Generic; using System.Text; class BaseClass { public virtual void method() { Console.WriteLine("BaseClass method"); } } class SubClass : BaseClass { public override void method() { Console.WriteLine("SubClass method"); } public void someMethod() { Console.WriteLine(); } static void Main(string[] args) { BaseClass var = new SubClass(); var.method(); var.someMethod(); } … |
| | i have two tables in a single database sales... one is product other is order... i want someones help to know how can i do one operation.... i.e when i click on order i want to subtract that one order from the product table.... can u help me with the …  |
| | I'm practicing for my java test on sunday and I did this lab and everything is okay except for the zero I don't know why the zero is there and I want to reverse the triangle form this : 0 10 210 3210 43210 to this 1 21 321 4321 … |
| | I'm practicing for my java test on sunday and I did this lab and everything is okay except for the zero I don't know why the zero is there and I want to reverse the triangle form this : 0 10 210 3210 43210 to this 1 21 321 4321 … |
| | I am in desperate need of help... I were to create Operating System's Shortest Job First Preemptive Algorithm .... The problem is that I am not getting how to calculate the average waiting time of each process... HELP ! SJF.java: [CODE] import javax.swing.JOptionPane; import java.util.*; public class SJF { int … |
| | As a newbie at 63, I have learned how to build an SQL database from scratch, interrogate it and present results, but I just cannot wrap my bhead around the following issue. I am in the process of constructing a site that will return a list of suppliers to a … |
| | My program needs to take the first 5 numbers from a file, sort them and print them out. Then take the next 5 numbers and sort just those 5 numbers and print them out. However, when I try to sort them independently it is sorting them all together as if … |
| | Hi all. I come from an MS SQL background and a newbie in MY SQL. Im trying to run a simple query to populate a table: [CODE]Declare @I As Int Select @I = 1 While (@I < 100) Begin Insert into tbWhatEva Select @I Select @I = @I + 1 … |
| | I haven't coded something this complex in C++ before and I haven't had time to really review. I'm making a game (well, foundations for a game anyway), with an external game library, Allegro. But I think the problems I'm having is more fundamental to C++ in general. Included is a … |
| | Need help writing psuedocode for the following question The local driver's license office has asked you to design a program that grades the written portion of the driver's license exam. The exam has 20 multiple choice questions. Here are the correct answers: 1. B 2. D 3. A 4. A … |
| | Dear All, I am inserting a string value into my mysql db which had apostrophe with no problem because I do this when inserting. [CODE]String cleanMessage = oriMessage.replace("'","\\'");[/CODE] The problem when I try to read from the same table I tried like this [CODE]level2[0] = level2[0].replace("'","\\'"); String queryCheck = "Select … |
| | Hello, i want to ask, messing words in array is a good way to encrypt data? or can someone very easy to brake it here is an example [CODE] #include "stdafx.h" #include <fstream> using namespace std; // Decleration for functions void EncryptFile(char c[], int key1, int key2); void DecryptFile(string filename, … |
| | I have to read numbers from a .txt file and sort them. I am trying to use selection sort. The .txt file looks like this: 3 33.3 92.5 4.5 6.29 5.3 94.3 -7.455 4.66 -9.33 -211.2 .03 .12 0.34 4.83 2.494 I am now working on the first 5 numbers … |
| | let an integer say, x=0xffffff0; when i shift left 4 positions in it.it got negative. x=x<<1; doing this 4th time,number got negative. please tell why it is so.  |
| | Hello every body I'm trying to iterate through a list for a certian number of times using a for loop. below is the current code I've written, but this will iterate through the list until it ends. [CODE]list<FileInfo*>::iterator p = currentlist.begin(); while(p != currentlist.end()) { cout << (*p)->remainingtime << " … |
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