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| | Hello All, I've been learning C++ recently and my question pertains to inheritance. What I have is code like this: [CODE=cpp] class shape { public: virtual void print_type()=0; double delta() //acts the same on all shapes }; class sphere : public shape { public: void print_type() { cout << "this … |
| | Help random numbers rand() returns same numbers I am trying to make a blackjack program which uses srand() with time as seed to determine random number of card between 1-10. Two problems, one is that the first three returned numbers are always similar and one digit or so more than …  |
| | Hi Guys, I have a predicament here which I think is really easy if you get it right. I just cant wrap my brain around it for the moment (probably been staring at the screen too long) I have two table (financial data) Table 1 looks as follows id account … |
| | I have been trying to learn Django (and Python). I have a form that can have up to [I]n[/I] elements. Each of those elements has 3 parts to it (a TextField, a TagField and a Checkbox). The form init looks like this [CODE] def __init__(self, *args, **kwargs): notesAndTags = kwargs.pop('notesAndTags') …  |
| | Hi, I have a WebBrowser control that accesses an IP cam on the same network on form load. The camera has a login interface that I don't want to be seen. Is it possible to autocomplete the form once it pops up? Attached is a screen shot. |
| | Dear Folks, This is anand, i m new to Tomcat5.5, i have given my directory structure i think nothing wrong with this but it is showing some error. Webapps I anand I WEB-INF, helloworld.jsp I classes,web.xml If i try to run my simple helloworld jsp program it is showing error … |
| | I need some help with inheritance in php. The code below does not produce any output. [CODE] Class Father{ var $car; Function inherited(){ print $this->car; } } Class Son Extends Father{ Function __Construct(){ $this->car='Benz';//I'm assuming here that car is still a property of father. } } $obj= new Father; $obj1= … |
| | This is a simple game that I am bringing to a close. It is called Slash and Smash. The goal is to defeat the last opponent, who is a champion of the arena. In the game player can use potions for health and energy,go to sleep, heal up, eat and … |
 | Hi everyone! please tell me - 1) how to make dataGridView cells available to change the values? 2) and how to read the value from cell to a variable? Thanks for your answers))) |
| | Hi All, I'm doing some serial I/O in VB.NET for a project at work. I'm new to VB.NET so I'm not sure if I'm doing this correctly. I need to determine what ports are free and which ones are in use. Presently, I try to open the port and if … |
 | I need to know the syntax of how i can read a string from a file without using char array or char variable. i want to declare a variable of string type but its giving error . I have include <cstring>,<ctype> libraries. int main() { string s1; ifstream fin fin.open("myfile.txt"); … |
| | i have this scenario for a school project: You have been sub-contracted to design the database system for Marlowe Interiors. Marlowe Interiors is a medium sized interior design company that does building work and decorating. An initial analysis of Marlowe Interiors has identified the following requirements: Marlowe Interiors keeps … |
 | Hello! So this is pathetically easy as programs go in the C language (i hope). I am working on a variation of the Hello World program (as I am just starting to learn C, solo). I am using the C All-in-One for dummies book, and I got a little ways …  |
 | Is it possible to print a report in VB using only Data Environment. I mean setting the textboxes only to datasource and datafields in the record I really dont want to use codes (RS, things like that) cause you see, I'm kind of a rushing so i don't have much …  |
| | Hello Outline of the problem: Files: 1. a.cpp, a.h, atest.cpp 2. b.cpp, b.h - file a.cpp is compiled to liba.so - file b.cpp is compiled to libb.so - function af01 defined in a.cpp calls the function bf01 defined in b.cpp - file atest.cpp is compiled to executable program, which calls … |
| | Hey guys, it's been quite a while since i've been on here :P I'm fiddling around with the Go language. However, I'd much rather have a build script that'll compile the program for me than typing in the lines of code necessary every time: [CODE] 6g hello.go 6l hello.6 ./6.out … |
| | Hi guys) I have a class .... something like that - [CODE] public class CITY { public int U; }[/CODE] Please - tell me how to make the variables of the first five minutes U=1, and the second five minutes U=0, the third five minutes again U =1 etc. Thanks …  |
 | Hi guys, I'm trying to write a recursive method that checks if the first elements of an array of integers are sorted in ascending order but it didn't work for me !! [CODE] public static Boolean isSorted(int [] a, int n){} [/CODE] I tried to copy elements from array a …  |
| | hi everyone. i have problem with SQL UPDATE command, with Add and Save Record, Delete Record and Search record, it works well, I have this code: for SAVE Command button squery = "": squery = "SELECT * FROM tblEmp WHERE EmpID=" & txtEmpID.Text & "" Call ExecuteCommand With rs .Open … |
| | Hi, I am currently doing a project on remote object communication between Flex 4.1 SDK and Java using Flerry API.I need a Java program that can capture the user keystrokes while the user enter's text in the action-script text-area. i.e I need Java program that captures the keystrokes as user … |
| | Hi Guys, I am building a social networking site that is dedicated to nightclubs and night events. Among other tables, I have a users table, events table and establishments table. I am really intrigued with how Facebook in particular is able to query and return matches of not just users … |
| | Hi, me an my friend are creating a program that requires locating files, which requires knowing the file path. We came across functions to find the user name of the current person logged into windows, and to find all the logical drives on the target computer. We need help passing …  |
| | Hi, I'm having trouble with the following code and any help is greatly appreciated. [CODE]/*########################################################################## ### The problem should prompt the operator to enter the number of competitors, followed by the scores awarded to each by the 5 judges. Scores can range from 0.0 to 6.0 in increments of 0.1. …  |
| | When I initialize my grid array I have no problem initializing it changing my row values like so grid[0][0] = 0; grid[1][0] = 0; grid[2][0] = 0; grid[3][0] = 0; ...but when I do this "grid[0][1] = 0;" or "grid[0][2] = 0;" and all the way up to 8 the … |
 | Hello, I am looking for a good .NET licensing system, which would be extremely easy to use and integrate (automatic integration into the program). 1. It should have online payment system: the user can buy a license online and the server can generate the key and send it to the … |
| | Working with some OOP, I had an error that I have now traced to inistantiation of a class when the file in which the class is contained is included in any other file. Is this the default/normal behaviour of php, and how do I get myself out of this? I … |
| | Dear All, I have a java application which link to db on another computer on the local lan. The problem I have install jdk_1.6_21 without any problem. Then I have paste mysql-connector-java-5.1.14-bin.jar in /usr/java/jdk1.6.0_21/jre/lib/ext. When I compile my program has no problem when I try to run I get this … |
| | Hi all, I am stucked at this problem - net to let user set string as byte eg. "0xFF", And parse it to byte. Problem is, that using... [CODE] byte byteVar = (byte) "0xFF"; [/CODE] ...is incompatible. Nice page about this is [URL="http://www.herongyang.com/Java/Byte-Data-Type-Implicit-Casting.html"]there[/URL]. Any idea how solve this? Thx for …  |
| | [CODE] int tm_sec; int tm_min; int tm_hour; int tm_mday; int tm_mon; int tm_year; int tm_wday; int tm_yday; int tm_isdst;[/CODE] but how can i call it , i mean like if i wanna cout << tm_sec ; how can i do that!! :confused: |
| | I've been researching this all day, and am having trouble finding something that works. I have installed and used Sphider (PHP/MySQL), and it crawls my site successfully and gives me the URLs and I can do a search for any text on any page, but it doesn't pick up the … |
 | Hello I am not the master of c# ..........i need little in creating class file for database handling I know how to connect database and different operation handling, but like to create a class file so that it be easy to connect database My problem is that I cant able … |
| | I am trying to print a rectangle using this symbol *. When I print it, it draws an L. What is wrong with my code? [CODE]#include <stdio.h> void rect(int base, int height) { int x = 0,y = 0; while(x < height) { x++; if(x == 1 || x == … |
| | [CODE] #include <iostream> #include <fstream> using namespace std; void LOGMSG(string test) { ofstream log; log.open("text.txt"); log << test.c_str(); } int main() { LOGMSG("this is a test"); LOGMSG("this is a test2"); LOGMSG("this is a test3"); } [/CODE] but it's only writes the last line i mean the last time i called … |
| | I am getting 2 different compiler errors of the following: AoE2Wide.cpp(1089): error C2679: binary '=' : no operator found which takes a right-hand operand of type 'AoE2Wide::DrsItem' (or there is no acceptable conversion) 1> C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\include\vector(599): could be 'std::vector<_Ty> &std::vector<_Ty>::operator =(std::vector<_Ty> &&)' 1> with 1> [ … |
| | Hi, I have this struct: [CODE]typedef struct empresa { char nome_empresa [20]; MORADA morada_empresa; int nif; int telefone; int anocriacao; char cae [20]; ESTAGIARIO estagiarios [MAX_EST]; int num_est; } EMPRESA;[/CODE] And an array of this struct: [CODE]EMPRESA empresas [MAX_EMP];[/CODE] My problem is that when i try to, manually assign values … |
| | Is it possible to print the .00 in the Part_Price[] so it would say 11.00 instead of 11. [CODE]#include <cstdio> #include <cstdlib> #include <iostream> using namespace std; double Part_Code[10]={1,2,3,4,5,6,7,8,9,10}; double Part_Number[10]={101,202,303,404,505,606,707,808,909,1010}; double Part_Price[10]={5.00,4.00,6.00,8.00,10.00,11.00,15.00,20.00,3.50,12.50,}; double Number_OnHand[10]={20,15,10,50,13,5,9,7,15,6}; int main(int nNumberofArgs, char* pszArgs[]) { int Pnumb,i; cout << "Enter Part Code '1' thru … |
| | I'm currently developing a domain whois lookup script in PHP. I want it to display a snapshot of the homepage of the searched website. Moreover, I would like to get this script to display Google PageRank. Please, does anyone know how to incorporate these features into my script? I would … |
| | Ok, I have the ever popular Inventory Program in a JAVA class going on. I have successfully created a new class to hold the GUI information. I have the window sized and the title of the window placed. When I run the program the GUI shows up. Next I need … |
| | Hey all, It's been a really really long time since I did any Python programming; upon the launch of the Web Store - I've been interested in developing a basic app myself. So here I am! Anyways, can anyone tell me if its possible to make a Packaged App using …  |
| | Hi there More noob questions from yours truly! As part of the application I'm writing in Visual Basic, I have written code to display records in text boxes and cycle through each of them one record at a time. I'm having trouble getting the code I've written to update records …  |
| | I was browsing the internet for different method to find Pi and I finally found a pretty good one. The only issue is, when you give it a very large number, it slows down tremendously. Would it be possible to make it find 2500 digits a at a time instead …  |
| | Hey, I'm in college, and I'm required to take a natural science. This includes: [LIST=1] [*]Chemistry [*]Physics [*]Biology [*]Environmental [/LIST] Of these, I want to take environmental the most, but I'm wondering, which would be the smartest/most useful for my future... Yes, I understand that it depends on what kind … |
| | How can i make a pyhton calculator that launches on click? Thank You.  |
| | Anyone know that where probability is used in computers?  |
| | hi all, im new to python, and i have a problem that needs to be solved. i have the following set: [[5,5,5],[5,5,5,5,5],[]] which needs to end up being: [[5,5,5,5],[],[5,5,5,5]] has anyone got any suggestions? |
| | I've searched all over for an answer to this, including this forum, so sorry if I missed something, anyway, I'd like to get a numerical code from extended characters like ß or ü and so on. I don't use them very much myself, as I'm a native English language user! … |
| | The first day of class today we had an (optional) diagnostic programming assignment. The problem is: to take an input file with a sentence in it, and make all letters except the first one lowercase, make the first letter uppercase, and remove any extra spaces and line breaks. After working … |
| | So i am sort of stuck with this one, due to the error when compiling, noted in the title. (for uni by the way) But basically the idea is that if your aged between 5 and 18 you get the discount. If your over 18 and below 60 and you … |
| | [CODE] #include<stdio.h> #include<stdlib.h> int **array(); main() { int **result=array(),i,j; //display result for(i=0;i<2;i++) printf("\n"); for(j=0;j<2;j++) printf("%d \t",result[i][j]); } //function int **array() { int nrows=2,ncolumns=2,i,j; // printf("hi"); //memory allocation int **array; array = malloc(nrows * sizeof(int *)); if(array == NULL) { printf("out of memory\n"); return 0; } //printf("hi"); for(i = 0; i … |
| | Hi Guys I have been all over the web searching for an answer. Hope someone can help me. I have a script with the following: $total_crt //total available credits (taken from mysql database using php) $credit // Display an ad credit. (also stored in mysql database using php) select dropdown … |
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