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 | Hi folks i only have one question.Can or should i delete a base class object instantiated in a derived class's constructor , inside the derived class's destructor? [code] class A { protected: int somedata; public: A () {} A (int x) : somedata(x) {} virtual ~A () {} }; class … |
| | I'm trying to run through a file and add each string in the file to a string array. My code yields the error "Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0 at StudentLAM.main(StudentLAM.java:14)" Why doesn't this work? Note: I cannot use ArrayList. My error-yielding code: [CODE] private Scanner index; int cell = … |
 | Hi all, I have a task that needs to be written in Javascript. I need to change a date e.g. '07/05/2010' to a format of '07 May 2010'. How can I do this? Help is greatly appreciated. Thanks again |
| | Please can someone help me out with this error? Parse error: syntax error, unexpected ';' in /home/npr/public_html/getfile.php on line 12 if i take off the line 12 the page works but i need to include the line 12.HELP! [CODE]<?php include('recruit.php'); $id = $_GET['id']; mysql_select_db($database_, $recruit); $query_users = "SELECT * FROM … |
| | I don't know what i'm missing, but I keep getting the error in the poly_tst file when trying to compile that says 'expected primary-expression before ']' token. According to my book I'm writing everything correctly. Here is my class file function (poly.h) void setcoeff(Term); Here is my implementation file definition …  |
| | hello all. i wasnt sure if this should go in the php or javascript forum but here we go. i have a php table pulling info from a mysql table. each row contains the name of a user. the users names are links which should take you to a bio … |
| | ok so im trying to implement a stack using vector and i have to access the last element of the vector el, i dont know if its right and also how would i implement the pop function of the stack using vector el_t stack::topElem() { el_t n; if(isEmpty()) cout <<"stack … |
| | i have a string which is giving me problems. when i put it into a textfile, it puts the cursor onto the nextline. i assume because there is a \n at the end of the string, but when i cout the string, the newline character isnt there (well, the console … |
| | ok Guys and gals i just started learning C about a week ago and im working on a program that makes calls to the system for user name, system info ect... here is what i have so far. [ICODE] #define _POSIX_SOURCE #include <pwd.h> #include <sys/types.h> #include <unistd.h> #include <stdio.h> #include … |
| | I need to take my last C++ class over one more time and just trying to get a head start on the programs we had been assigned. I will provide the instructions and was wanting to get any feedback on what I should get rid of my current program and … |
 | How to put checkbox in listview header? Use of checkbox is for select all and vice versa... Thank You... |
 | (I'm using Vis Studio 2008 and a textbook written for VB2008) Okay, so this problem from my textbook requires me to "animate" (read: move a picture box) a picture of a "robot" finding it's way to a wall and returning to it's original position. I have the logic of the … |
| | I'm writing a polynomial project that requires me to utilize classes. Problem is, I have the polynomial stored in two arrays in the class, one for coefficients (float coefficientholder[10]) and one for exponents (int exponentholder[10]), and get functions (at least according to my book) are simply consisting of return commands … |
| | Hi All I have this XSL code, but I am trying to get it so every other row is light grey and the ones in between are white. I want the headers to be anjother colour all together. [CODE] <?xml version='1.0'?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/TR/WD-xsl"> <xsl:template match="/"> <html> <body> <table border="2" bgcolor="yellow"> … |
 | Greetings! Wondering if someone had some ears (or eyes I guess) I could bounce some concepts off of regarding a Client/Server system design. All technicalities aside (such as message framing etc..) I was wondering if anyone had ideas for how a system like that should be set up? Currently my … |
| | I have another question regarding activating of an automatic door: three sensors front pad, rear pad, and door; they determine weather the door is activated or not. front pad=0 empty front pad=1 occupied rear pad=0 empty rear pad=1 occupied door=0 closed door=1 open there are situations when the door is … |
 | [B]I just started to learn Java a few weeks ago but gave up on it after hours of attempts and my code didn't work. Here is my input: [/B] [CODE]class JAVA { public static void main(String Args[]) { System.out.println("Hello World"); } }[/CODE] I saved it as JAVA.java and tried to … |
| | This is the program I'm working on and I'm completely lost A Pythagorean triple is a set of numbers A, B, C such that A2 + B2 = C2. Write a subroutine that determines if 3 given numbers are a Pythagorean triple. The subroutine should print out an appropriate comment … |
 | Ok, so basically i am just trying to pull plain text from a website. basically it will display a person's Runescape stat's in text form. here is my code so far on how to get the url for the page. [code] private void statsButtonActionPerformed(java.awt.event.ActionEvent evt) { String oldrsn = rsnTextField.getText(); … |
| | Hi, im new to jsp and have made a few pages, and can display them using Tomcat, ive made a page counter and managed some validation of a form, but i cannot get this to work: i have a form where you can select a product, then type in the … |
| | I'm running Ubuntu and have just installed PHP5, Apache2, and MySQL. I created a PHP Project in Netbeans and trying to echo "Hello World." When I run it, I just get a 404 Not Found error with this "The requested URL /PhpProject1/index.php was not found on this server." Any ideas … |
| | Hi...I wrote a proggy that replace some words in text file there is a condition that if somebody write in the texbox ","...all sentences change into plural form... [CODE]if (systemTEXT->Text->Contains(",")) {token == 1;}[/CODE] it works great...text contains "," - it means plural forms are needed..token=1 [CODE] if (linia->Contains("system_token")) {poprawka = … |
 | We currently have a system that display multiple sections on one page when it loads. What we were looking at doing is breaking each section into an expandable/collapsable group that is controlled by the end user with all groups collapsed on load by default. In saying that, is there a … |
| | i put a list box and an image box. now i want the image to swap every time the user clicks on a different element in the list. it doesnt seem to work :( [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; public partial class _Default … |
| | Hello all, I'm having a problem with having code execute when I'm adding javascript/ajax to my php. When I do the following piece of code, nothing happens. This is just a test line of code, my real code links to more javascript which uses ajax, but I have to figure … |
| | This is the line of code that I am getting an error with. [CODE]mtx[cIndex(bitNum)] & = ~(1 << bIndex(bitNum));[/CODE] The error code is: expected primary-expression before â=â token I think I am missing some '(' and ')''s. Thanks! |
| | SO am am soon going to build a blog. what I would like to know is how to do the prvious posts button at the bottom of the page with like the 1|2|3...Next|Last that type I was just wondering how it is done I know to fill the Homepage your …  |
| | Hi all, I'm having some problems with a piece of ajax code. I have a page with a couple of forms, all with the same name. On submit, I want to use Ajax to send the form. For now, I only want to output the content of a simple txt …  |
| | Hi friends, I m making a php user registration program and in some other sites I found some hidden field as follows [ICODE]<input name="authenticity_token" value="a58b64b916157840987d0655fe8ce14fecc030fd" type="hidden">[/ICODE] I m wonder what its really means ? Is it a dynamic value in which's value stored in SESSION and later it check with … |
| | Okay, so I'm a 7 month experienced programmer in C++, and now is the time when I am having the most trouble. So my Professor wants us to create a program that asks the user to input a sequence of numbers and then convert those numbers into outputs of "how …  |
| | Ok so im trying to implement a stack using vectors in C++ i just want to know if the following implementation code makes sense, this is just the implementation file, the client file is working fine but when i run the program it doesnt work so i believe it has … |
| | I really need help in writing this program for homework. 1. Round the average for each student to the nearest integer. 2. Add code to print out an appropriate message for each student. (given in prologue comments) 3. Add code to calculate the highest student average, and the lowest student … |
 | hi everyone..... Can someone tell me 'how can we disable the close icon' which is found on upper left corner of a tkinter menu which is encircled in the picture below: Thanks in advance |
| | Hi there, I'm having a lot of trouble trying to add a new control to a dynamically created TabPage at run time, I have viewed many threads with similar help requests and cant seem to make the codes work! :( Any help would be greatly appreciated... Here's what I've got: … |
 | Hi guys I finally finished my highscore list but i have one problem I have to sort it. I know how to sort regular list, but this is a bit different because of having the text in it. When I sort it I just get an weirdly sorted list. Does …  |
 | Okay. I have said code: [code=C++] #include <iostream> int main() { std::cout << "This is a native C++ program\n" << std::endl; return 0; }//main [/code] How would I compile this from a standard DOS command line? I've searched all over google, and have yet to find an answer that explains … |
 | I have a flow on how to do this program but I need so help.[COLOR="Red"] [B]PLEASE GIVE ME A HINT NOT THE ANSWER. [/B][/COLOR] [B][COLOR="Red"]THE FLOW CHART IS IN THE ATTACHMENT. PLEASE CHECK IT OUT BEFORE GIVING HINTS[/COLOR][/B] [CODE]/*************************************************** The following program will take user's input and check whether it … |
| | I wrote this function about a year ago, it's very useful for generating safe file or folder names from text that a user inputs. One method I use this for is storing the filename in the database and then url-rewriting with global.asax. You can get an example of url rewriting …  |
| | Hello, I would like to know what am I missing in this program to be getting that error. Thanks in advance! Error is [B]error C3861: 'setprecision': identifier not found[/B] [CODE]#include <iostream> using namespace std; int main () { int numFloors=0, numRooms=0, numOccupied=0, totRooms = 0, totOccupied = 0, totUnoccupied=0; double …  |
| | Hi all. I am trying to create a program to take in records of a companies payroll. I get the data then write it to a binary file. When I want to delete a record I ask for the specific timesheets name and the employee ID then read the file … |
| | Concatenate a substring of the original string sentence starting from index 0 and ending before the middle Character(s). Use the substring() method. Use an if statement to account for even or odd, the end index that you need substring()the end index that you need for substring() will be different public … |
| | hi all hope every body is fine i want ask you about how can we send the form data entries includnding attached file to an email without saving the file to the server as i want to know if this procces legal to take the uploaded file and send it … |
| | I am a beginner in Jpcap. My problem is as follows:- i am trying to send a TCP packet but unable to receive it. The code for sending Tcp packet is as follows. I am working on Windows XP. hoping for reply. [CODE]//code for sending import jpcap.*; import jpcap.packet.*; import … |
| | I'm getting this error, and I'm not sure why I can't do this in a method. On lines 92 and 93 I get this error thrown: "Only assignment, call, increment, decrement, and new object expressions can be used as a statement" I'm sure it's something obvious, but I'm stumped. [CODE]using … |
| | I am a puzzled regarding the purpose of the countDown = coundDown -1; part of this program code. I mean I do not know why I should subtract the countDown by 1. What is it for??? Here is the program source code, the one highlighted is the one I'm confused … |
| | I've read explanations but to no avail. Could any one offer some explanation of what the difference is and what the benefits are of typedef, struct and classes?  |
| | Hey, I was wondering what the code was to open a program using C++? so basically writing a program that opens a program. any help would be great :) |
| | Hi there. I'm looking for some help with drop-down lists. The lists below are populated by lists.js (a script that was kindly written by a friend). What I need to happen is that as soon as an option within one of the lists is selected, the other four become disabled. … |
 | Hi all.. basically i want an ajax code that retrieve the data from the unique div(with php).. what i mean by unique here is that my div got the id with the name+(the php code to make it unique). okay i dont really know how to explain but here is … |
| | This may be a simple question, but I'm trying to populate a combo box with an array of string variables, but only that pass a conditional test. I'm getting a "complex databinding accepts as a datasource either in Ilist or IListSource" error. Obviously this is not the right way to … |
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