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| | I`m trying to use sets and gets for a code, but it`s not compiling I`m not sure how to set and get a String, this is what I have so far this is class Car [CODE] String color; void setColor(String col) { color = col; } String getColor() { return … |
| | This is the hardest thing I have tried yet. I am not adding ti as part of the main programme I am doing at the moment cus otherwise it would be too hard to debug. So I have created this as a separate file. I am trying to get a …  |
| | How can I add loading image into this script? [CODE] var xmlhttp; function showUser(str) { xmlhttp=GetXmlHttpObject(); if (xmlhttp==null) { alert ("Browser does not support HTTP Request"); return; } var url="cars.php"; url=url+"?q="+str; url=url+"&sid="+Math.random(); xmlhttp.onreadystatechange=stateChanged; xmlhttp.open("GET",url,true); xmlhttp.send(null); } function stateChanged() { if (xmlhttp.readyState==4) { xmlDoc=xmlhttp.responseXML; document.getElementById("name").innerHTML= xmlDoc.getElementsByTagName("name")[0].childNodes[0].nodeValue; document.getElementById("description").innerHTML= xmlDoc.getElementsByTagName("description")[0].childNodes[0].nodeValue; } } function … |
| | I have 2 tables, 1 called journeys, which contains the journeyID, the start station, end station, time to complete, and the distance. The second table is called connections and contains all the stations the train stops at along the journey. I need to write a query which extracts the correct … |
 | Hi :) I am certain of when to use static_cast, but often I can get satisfactory results by writing the target type in a parenthesis. For example: [CODE]void* data = somePointer; SomeClass* new_ptr = static_cast<SomeClass*>(data);[/CODE] seems to work when replaced with [CODE]void* data = somePointer; SomeClass* new_ptr = (SomeClass*) data;[/CODE] … |
| | Hello everyone, I have a problem with my drop down list box on my edit page in php. I would like my drop down list box to show what the user has selected, then if the user wishes to, change their selection updating the DB(mysql) at the same time. I …  |
| | Here is my code: [CODE] /** * @file qsort.cpp * * @date 11/2/07 * * This program implements the non recursive version of quicksort */ #include<iostream> using namespace std; /** * Swaps two items * * @pre x and y are the items being swapped * @post Contents of actual …  |
| | I have changed the Path Environment Variable for Windows Command Prompt to: C:\j2sdk1.4.2_04\bin so why, when I try to run javac while in the code folder directory, do I still get the error message "javac is not recognized as an internal..." I was forced to put the path info in … |
| | Hi all, I want to know how much memory does my umap allocates in ram. I have the following definitions std::tr1::unordered_map<string, long> umap; umap h1; i do some insertions and at the end i want to know how much memory my umap allocates in ram. How can i find this? … |
| | Hello, Is there a way to verify the validity of a credit card when user submits in his/her credit card number? Many thanks in advance. |
| | How do I get rid of the zero digit in this program? this is a factorial problem and I have to show the numbers to be multiplied before arriving to the answer. The problem is, in the iteration process, the number zero will show. How do I get rid of … |
| | How to Save Web Pages in WebBrowser1 using VB6? It's not about saving the source code to text file.. It's the same as clicking [B]File > Save Page As...[/B] in Firefox. :) |
| | I think I've done what's necessary to install mod_php in Apache, but this code fails: ----------modtest.php <?php echo $PHP_SELF?> ------------------------ When I display modtest.php in a browser, I get: Notice: Undefined variable: PHP_SELF in C:\Program Files\Apache Group\Apache2\htdocs\modtest.php on line 1 I've read in docs that this env var doesn't exist … |
| | We are using a singly linked list with head pointer to implement Stack ADT. The stack top is maintained at the [B]end of the linked list,[/B] i.e. stack top is the last item. Discuss whether this is a good design in term of time efficiency: In a stack of N-items, … |
 | MessageBox(NULL, (LPCTSTR)"Test1", (LPCTSTR)"Test1", MB_OK); This code is popping up the window correctly, but it displays all squares. Whats wrong =(  |
| | i'm new in using VB, so i'm not quite familiar with it.. if any of you use cpp, i'm sure that you know STL in cpp, like vector and stack.. does VB has that kind of STL too? i really need good data structure using VB now, and it will … |
| | I am getting some build code errors I do not understand how to fix. This is probably because I am so new to programming. Help is appreciated! Line 54 error is missing semicolon before type and lines 56,59, and 60 say i is undeclared??? [code] include<stdio.h> #include<string.h> //Global Variables char … |
| | Hi, I tried everything to fix this but this message still shows if I try to check for errors on my drive C: using PowerQuest Partition Magic 8.0.I thought running microsoft chkdsk can solve this problem but not workable. What can I do? Is it possible that this is a … |
| | Hi! This is for a homework assignment, and I'm trying to do cascaded deletions on tables that refer to each other. [B] Homework question:[/B] Give an example instance of C and D, having at least 4 tuples in each of C and D, such that a deletion of a single … |
| | [CODE] #ifndef Test_h #define Test_h #endif [/CODE] May I know what are the above 3 syntax for? How can I use it? Is is used only in header file?  |
| | //Here is the function of inserting nodes.I tried using strcmp but its still not working. [CODE] void BinarySearchTree::insert(char* d) { tree_node* t = new tree_node; tree_node* parent; strcpy(t->data,d); t->left = NULL; t->right = NULL; parent = NULL; // is this a new tree? if(isEmpty()) root = t; else { //Note: … |
| | Can someone please help me? I am creating a program to calculate the cost of excess minutes with two cell phone companies. I am reading my data in from a file. This is the data from my file. [CODE] 2 32 3 45 1 36 3 15 1 30 1 … |
| | I have a multi form... I searched online and found this link... [url]http://www.html-form-guide.com/php-form/php-order-form.html[/url] so i was doing a test, but it didnt work for me.. Can some1 help me, where i have gone wrong. Here are my codes.... [COLOR="red"][U]Form1.php[/U][/COLOR] [CODE] <?php session_start(); ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" …  |
| | Hi! I am trying to figure a way to measure a process' system time. The Unix's time command seems in effective because it only displays the result in seconds but my program is small so second is inappropriate. I also tried to use gprof. However gprof uses atexit() to trace … |
| | i want to send value to another jsp page from sessions i add the attribute session=true in both jsp pages but i am getting error during running mode can u find any errors in code [B]try123.jsp[/B] [CODE]<% String val=(String)session.getAttribute("itemValue").toString(); %> <TD>IMAGE NAME</TD> <TD><INPUT TYPE=text NAME="img" VALUE="<%=val%>"></TD> </TR> <tr>[/CODE] [B]try.jsp[/B] [CODE]String …  |
| | Hello. I've programmed in VB for ages, but just started dealing with databases and VB.net. The problem I am having is related to a menustrip item. I used the data source wizard to add a database to my application, and did the drag-and-drop thing to put the details on my …  |
| | i have a main java code called home.java which is an interface. when i press button BTNSTART , i want d progm WebCam.java to exxecute. but it's giving me an error saying : [B]ERROR[/B]: home.java:146: cannot find symbol symbol (constructor WebCam()) the code home.java : [CODE] import javax.swing.*; import java.awt.*; … |
| | i'm new to c++. i started with the following code and i have an, ISO C++ forbids comparison between pointer and integer ERROR. My my program is for a library. i am now trying to have it pull up my file and read then edit a bookfile. the area in … |
| | I am writing a program for class that I keep getting a segmentation fault on. I am fairly certain that it has to do with the assignment of the 'string location.' Could anyone possibly give me a hint as to what I'm doing wrong? I'm very new to this, I've … |
| | I have this code and Im getting two errors when debugging... Im trying to change it to arrange it but I think I have a major error.My "experience" in c++ is veeery basic this is my third week in college :( I need help please the errors are: >assignment5.obj : … |
| | [QUOTE]This program actually have 4 function. 1)AddLast = to add a new node at the last of the list 2)FindNode = to find the desired node 3)DeleteNode = to delete the desired node 4)DisplayNode = display the list Now..my problems is with the AddLast function.. Before this I done with … |
| | Do any of you guys know if Winsock is a popular API that is used for companies hiring programmers? Thanks |
| | I have this homework assignment that i need help with and below is the code that i have so far. any help would be appreciated. thank you. Write a program that tells what coins to give out for any amount of change from 1 cent to 99 cents. For example, …  |
| | Hi. Let me start off by saying I've done no programming in my life aside from the 2 weeks of Intro to C++ class I've had so far, so I've got little idea of what I'm doing. Our assignment is to write a program for the 'game of NIM', essentially. …  |
| | Hi everyone I am trying to write a program that will allow to people to play tic tac toe. My constraints are that this must be accomplished mainly through the use of functions and that the default cell field for the displayed game board must be stars. I am having … |
| | I am new at programming and got an assignment that is due tomorrow. I have to develop a program that calculates pay and bonus for three sets of workers. HELP!!! |
| | Any way to change the formatting of the text and what is displayed after a die() command? I'm currently coding all my errors using die() but I'd like to have more control over how the error message is formatted and what is displayed afterwards (like a return link for example) |
| | Hello. Just need some advice on what I'm doing wrong with my code down below. I'm suppose to right up a program that reads in maze code that looks like this " 2 3swensw 2 1" for example. the first two digits = row & columns of the array while … |
| | i need to make a program that reads in a file and list things like the number of characters,words lines spaces tabs etc. anyone know the best way to do this? any help anyone can provide is appreciated thanks |
| | Hi I am trying to count the number of words in a file and this is what i have so far. I am not sure about the getchar().. could you please tell me what i should be doing ? [code] #include<iostream> #include<fstream> #include<string> #include<conio.h> using namespace std; int main() { …  |
| | Hi, I seem to be getting myself into a lot of segmentation fault errors lately. The that currently has me stuck is one that shows up after I exit my program (an SDL App). When I need to debug I usually use the debugger or a Logger class I found … |
| | ok so i am taking a list of numbers and stashing them i an array by going $total[]. then i try to use array_sum($total) and i dont get the last added number instead i get numbers that keep adding up to the final number EX: 10,15,5 output: 102530 i have … |
| | I have this homework assignment that i need help with and below is the code that i have so far. any help would be appreciated. thank you. Write a program that tells what coins to give out for any amount of change from 1 cent to 99 cents. For example, … |
| | So I'm trying to find a way to basically generate 100 numbers from 0 to 99 in random order with no duplicates. This is my code, and as you can see it displays 100 numbers but....some are duplicates. [CODE] srand((unsigned)time(0)); for (int count = 0; count < 100; count++) { … |
 | I am trying to start the odometer reading at 0 to start with, but I want it to increase everytime the user inputs MilesDriven. I can't seem to get it to work...any ideas? [code] //Paul Baker //TRCC Intermediate C++ //Assignment 3, Odometer #include <iostream> using namespace std; class Odometer { … |
| | [code] #include <iostream> using namespace std; class A { private: int a; }; A::A() { a = 10; } int main() { A obj1; cin.ignore(); cin.get(); } [/code] It is giving me the error Error 1 error C2600: 'A::A' : cannot define a compiler-generated special member function (must be declared … |
| | [CODE] _CreateProcess __CreateProcess = NULL; __CreateProcess = (_CreateProcess)GetProcAddress(GetModuleHandle("Kernel32.dll"), "CreateProcessA"); [/CODE] what is this (_CreateProcess) in the code??? is this a cast types? __CreateProcess = [B][COLOR="Red"](_CreateProcess)[/COLOR][/B]GetProcAddress(GetModuleHandle("Kernel32.dll"), "CreateProcessA"); |
| | I have function in my program calls a class which opens a new window [CODE]class TopLevel3: def __init__(self): self.root2 = Toplevel() self.canvas3 = Canvas(self.root2, width=400, height=200) self.canvas3.pack() self.root2.title("ImageDB") r = 0 for c in range(6): Label(relief=RIDGE, width=55).grid(row=r, column=0) Entry(relief=SUNKEN, width=20).grid(row=r, column=1) Button(text='View Image').grid(row=r, column=2) Button(text='Update Tag').grid(row=r, column=3) r = r+1 … |
| | hi all i want to do is hide links when the user is not login in. i thought i could do it this way but it gave me a error [CODE] <?php if $_SESSION['MM_Username'] isset { echo 'members area'; // i would put a link here } else { echo … |
| | I am creating a C program to work with environment variables and I am having some problems. I have three choices to input from the command line: a.exe, a.exe <environment_variable_name>, or a.exe -a. The 'a.exe -a' should display a list containing all environment variable names and assigned values, with one … |
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