199,114 Archived Topics
Remove Filter ![]() | |
[CODE] class C{ friend class F; private: fct1(){} fct2(){} fct3(){} public: fct_for_everyone(){} }; class F{ }; [/CODE] F is a friend of C, so it has access to fct1,fct2,fct3. But in real life, friendship has limits! You don't want to reveal everything! So is there a way in C++ to … | |
}[CODE]#include <stdio.h> #include <string.h> struct cd_detail { char group[20]; char name[50]; int year; double price, playtime,costTotal; } cd[7]={{"Alan","Tibet sing",2008,51,600}, {"Thubasa","Fly away",2007,52,700}, {"Alan","I love China",2010,53,500}, {"pitbull","Jump to jump",2005,54,720}, {"pitbull","crazy mix",2009,48,630}, {"pitbull","Let we ROCK",2010,49,608}, {"Alan","Sakura mansume",2010,56,909}}; void main() { char group[20]; int k; printf("Enter group>"); gets (group); printf("Name \tYear \tPrice \tPlaytime\n"); printf("========\t=======\t======\t=============\n"); … | |
Hi All. I am trying to learn linked lists, and I am a little bit confused what the next pointer as well as the head pointer does. I was reading a tutorial online, and they gave this example. [CODE]#include <iostream> #include <string> using namespace std; struct Family { string nameOfFamilyMember; … | |
Hi. I'm currently trying to make a comment system. It works great, 'cept, if the user writes </html> or... any other html tag that doesn't close. Now, my initial idea was to convert string, i.e: space(' ', 32) -> &lpsb;, \n -> <br />. For that, I made an array, … ![]() | |
hi there, how can i validate a data grid view column to enter only the date in the data grid view column. i am doing this in a 2008 VS C# standard edition software. how can i do this. thankx | |
Within this code I would like to save the data which was input through a function "SavePlayer", but it doesn't work. The compiler "says" that object "a" ist not known. Probably the bold line [CODE][B][I]a.SavePlayer(manyPlayer,Player a); [/I][/B][/CODE]is wrong, but I have no idea how to solve the problem. Maybe someone … | |
So heres my code: using (SqlDataReader reader = cmd.ExecuteReader()) if (reader.Read()) SearchingDate = (DateTime)reader[0]; The third line of code is where im stuck. In my app, im trying to compare the current datetime against the value of a members date column value. Unfortunately, the third line of code sets the … | |
I cant see to figure out what im diong wrong here... many errors [CODE]public class Card { private String suit; private int face; public static void main(String[] args) { Card allSuit[] = new Card[4]; for (int i = 0; i<allSuit.length; i++) { allSuit[i] = new Card(); } allSuit[0] = new … | |
does anyone have any note on rewriting C/C++ programs in Python?? google and bing give me the exact opposite, and I've got a headache from searching... please note that I can't read C++ if you need the program I'm rewriting, please let me know | |
I've created a user control with a simple text box and a corresponding label and added a few custom control properties. When added to a form, I'm trying to loop through all control of this type and evaluate the custom property. In the below, the cntl.MyCustomProperty is not recognized. I … | |
I'm passing a this pointer in my constructor initialization list for use by a base class and VC9 gives me this warning about it... main.cpp(124) : warning C4355: 'this' : used in base member initializer list The program runs perfectly as compiled by VC9 Pro or Code::Blocks 10.05. In Code::Blocks … | |
Running: Windows 7 Home Premium. I am not sure if I am posting this in the correct board, so please move this if I am incorrect in my post placement. I am trying to set Allegro up, for programming a 2D game in C (which is why I chose this … | |
I am trying to create waypoints from a given file waypoints.txt I first created the waypoint class [CODE] import java.io.*; import java.util.*; import java.util.HashMap; import java.util.Iterator; public class waypoint { int x; int y; int height; int cost; int gold; int mapX; int mapY; public waypoint(int myX,int myY,int myHeight,int myCost,int … | |
In all the new IDEs when using open and close curly brackets the auto-formatting usually indents, and uses the extendable block (with the + sign) even if it is not necessary. For example, I like when all my functions have there own little extendable block but when I place them … | |
When I am reading a csv file to dataTable and populating a Datagridview I am getting problem that one blank row inserted into datagridview why? what wrong with my code please somebody help me. below my code Private Sub ReadCsv() Dim myTable As DataTable = New DataTable Dim i As … | |
Disclaimer: I am not looking for a full answer to this lab, only hints. I know people get frustrated when others ask to do their homework for them. ;P Hey guys - first post here, although I have used this website many times to assist me with my Programming classes. … | |
Hello, I am using fancy upload in my application. I easily integrate fancyupload in my page as per advised in the fancyupload website. When i get response after uploading the file on server, i want to append the filename of uploaded file in multiple selectboxes in my page. I found … ![]() | |
I've literally copy and pasted a basic AJAX function from W3 Schools, and for some odd reason it refuses to work on my site...please help. Here is my HTML: [code] <select name="address" onChange="sortAddress(this.value)"> <option value="" selected="selected">Building Address</option> <?php $sql = "SELECT DISTINCT name FROM buildings ORDER BY location"; $result = … | |
Hey there, I built the following app; A frame that with three sections inside it. Each section is actually a panel. The first panel is a form I use for saving soccer matches on my database; The second holds only one button that reads textfields from the form above and … | |
Hello Everyone My background: Civil/Structural and Mechanical Engineering. I work as a Structural Engineer designing bridges. I would like to develop a program that analyzes and design structures but do not know much about software development. I have created a library of spreadsheets that are very powerful and when working … | |
Hi! I'm start learn php and i have few problems what i can't fix it. Before i say what is my problem, YES i have search for my problem in google and other. So my question is how to make 1)table with few data column and after few column i … ![]() | |
Hi, is there a way to do 128 bit comparison in one instruction with SSE 4.2a? I need to compare if the XMM0 register is 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF If not, what would be the fastest way to compare with two steps of 64bit comparisions? Thanks in advance. | |
i get no GUI when i run! import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Calculator { private JTextField resultTF; private JButton calculateB, numbersB[] = new JButton[11]; public void driver() { //Create Window JFrame calc = new JFrame("Calculator version 1.0"); calc.setSize(500, 500); calc.setDefaultCloseOperation(calc.EXIT_ON_CLOSE); //Get the content pane (object of type … | |
How to insert jsp testbox values in sql database in button click plz help | |
Hi All How can I select some random names from a list, so that in next time, those previously selected names become omitted from the list? for example, say we have 100 names in test.txt file, and we want to select 3 names randomly. then by recalling the selection function, … | |
i've downloaded the last version of boost(1_47_0) but i don't know how to build it, i tried to find a tutorial on google but that didn't help much because it was for a very old version and some thing changed. anyway, my compiler does have minimal support for C++0x, will … | |
Hello all, I have an issue with a class I am writing which is supposed to be able to multiple 2 matrices together. The issue I am having is not the actual multiplication (That bit works, thanks for the pointers yesterday). The problem, or so I assume, is with my … | |
![]() | The Class has no error, but the test program has a constructor error on line 21. [CODE] /** * DataSet Class * * @version 10/3/11 */ public class DataSet { private int Sum; private double Average; private int Largest; private int Smallest; public DataSet(int Sum,int Largest,int Smallest, double Average) { … |
hi am developing an application to upload images to gridview which i have completed ,now i need to create directories and subdirectories to upload the images according to their type i have written a class to read all directories like public Classname[] Getdirectories(string name) { string basepath=System.Web.Hosting.HostingEnvironment.ApplicationPhysicalPAth +"images"+"/"+name; string[] files=Directory.GetDirectories(basepath); … | |
[CODE]/* * hello.c * This is a simple, introductory OpenGL program. */ #include<stdlib.h> #include <GL/glut.h> #include<iostream> #include<fstream> using std::fstream; using namespace std; void draw(void) { /* clear all pixels */ char fileName[] = "house1.txt"; fstream instream; instream.open("c:/house1.txt",ios::in); if(instream.fail()) return; glClear (GL_COLOR_BUFFER_BIT); GLint numstrip,numlines,x, y; instream>>numstrip; for(int j=0;j<numstrip;j++) { instream>>numlines; glBegin(GL_LINE_STRIP); … | |
I have to make a bank GUI and I have a Jlist that populates with the customer objects (viewable by name) and I can view their individual info... but when I select the customer, I also want to be able to pull their account info and put it in a … | |
Hi all, I am trying to compile a servlet, and am getting the following error. [code] C:\Program Files\Apache Software Foundation\Tomcat 5.5\webapps\flatironswp1\WEB-INF\classes>javac export\ExportUtil.java export\ExportUtil.java:5: package javax.servlet.http does not exist import javax.servlet.http.*; ^ [/code] and here's my code: [code] package export; import java.io.*; import javax.servlet.http.*; import javax.servlet.*; public class ExportUtil extends HttpServlet … | |
actually in gcc compiler of linux everything is working fine without header files... Then what is the real use of the header files in c & c++ langs ?? can anyone ans it?? | |
[CODE] #include<stdio.h> #include<conio.h> void hello() { printf("\nHELLO\n"); } int main() { hello(); hello(); hello(); hello(); getch(); return 0; } [/CODE] If I run this code on a compiler,how many processes and how many threads will be running on the compiler and which ones? Does a duplicate function call consist another … | |
Just fooling around I came across an issue updating a digital-clock like label. This: [CODE]self.now=time.strftime('%a. %b %d %Y %H:%M:%S',time.localtime()) self.clock=ttk.Label(self,text=self.now) self.clock.pack() while True: self.now=time.strftime('%a. %b %d %Y %H:%M:%S',time.localtime()) self.clock['text']=self.now[/CODE] simply freezes the program, I've managed to get it to update on certain events like the user hitting a button but … | |
I am going to make a project. My professor told us to make any java program. I am planning to create a grading system. That outputs: Name: Student Number: Course: Class Standing: Seatworks Grade: 5% Homeworks Grade: 5% Quizes Grade: 15% Preliminary Exam: 35% Final Exam: 40% Total: 100% and … | |
Hi there. I am writing JavaScript to allow user to input only alphabets in the textbox. I am using regular expression: /[A-Za-z]/g which is logically correct. However, IE9, Crome 14 and Firefox 4 allows some specific characters: $%&( Why is that. Just copy and save the code as html. And … | |
Hello, I recently started learning java, and I am trying to make a program and I am running into some trouble. Basically what I want is for the user to input the number of people attending a movie, and then the user could input all of the ages of the … | |
Ok how do I change the texts color without changing all the couts to printfs and without using system("color hex") | |
Sorry about the typo in title. Ok my school is addicted to making us mad and have blocked command promp that I brought my copy from home on a floppy disk and it blocked me. So what I need is a few alternatives for these: cls - clears the screen … | |
Dear seniors, I am a newbie in wxPython and I have to write a code that can immediately start playing a video after I load the file. I have been going through a lot of forums tried to implement 10 - 20 codes, but the wx.media is not playing the … | |
I am creating methods that will extract info out of a text file. The program is for a real estate office manager who needs to run reports on property listings. The text file will contain property number, property type, price, and agent id as follows. [CODE]110001 commercial 500000.00 101 110223 … | |
In structure hen i read floating point value from user and i get the error like"floating point not conneted..." i have been sugested to write two lines for that extern void float conetor(); #pragma extref floatconnector even though i got the same error it is not even asking for float … | |
Hai Fiends, I need to add \r\n(if \n is present or not) at end of every line of a huge file. how can i do this in java, with high performance. please help me in this problem. | |
Do you have any loading screen coded in c++ graphics?? Pls. I need some. | |
Our teacher made us make a program that computes midterm grade. I have made my code already. My problem now is that whenever i run my code, halfway through the end appears a debug error saying that i was using a variable(TotalCS) that isn't declared. but it is actually declared. … | |
Hey there everyone. I wondered if anyone could help me out with writing a simple program that checks through blocks of HTML code replacing specific sections of code within each block of 3 <div>'s. It is basically to make my life easier when I have to edit a website, otherwise … | |
please help me. my program is working but not displaying the table but i followed the syntax for the two-dimensional array. how come the program does not display the table? here is the code. :D [CODE] #include<stdio.h> #include<conio.h> main() { int x[5][5],a,j; for (a=0;a<=5;a++) for (j=0;j<5;j++) x[a][j]=(a*4)+j+1; for (a=0;a<=5;a++) for … | |
Hi everyone, I am doing a Java course at uni at the moment and it kinda doesn't make you become a real programmer with the confidence that a programmer should have. I really want to program in Java and any language(not python though because it is not a user-friendly programming … | |
Hello, I'm trying to do a C# code that call, through a 56k modem, a real phone number. The Call works correctly but now I need to know if the person I call answer to the phone or not (it is for an alarm project). To do my call, I … |
The End.