66 Archived Topics
Remove Filter  | [URL="http://stackoverflow.com/questions/194812/list-of-freely-available-programming-books/"]List of free programming books[/URL]. Enjoy and happy new year! |
| | The function adds two large numeric string together, like "12345667" + "12345678" = ? It does not have complete error checking, I'll leave that up to you. It should work but I am prone to bugs, so do advise if bugs are found. Included are also helper function that helps … |
| | This is a simple demonstration of meta programming. It shows the idea of meta programming. It basically calculates the factorial of a number before runtime. When I first saw the concept of meta programming, it blew my mind so badly. I was so surprised that one could do this. Its … |
| | Its this side thing I was working one, when I got the chance. Its not very good right now, as its still in its developing stage. But its still ok, where I can show it of, lol. Attached is an exe, that given a set of data points, it tries …  |
| | Some background. We all used the string class, but some of you might not know that string is just a typedef of basic_string. In fact here is the typedef you might find when looking in the XString library. [code] typedef basic_string<char, char_traits<char>, allocator<char> > string; [/code] This code snippet shows …  |
| | This question is from code chef, named Odd. I believe this is a good problem to play with for all levels. If I can solve it surely anyone else can, cough * only if pi is fake* cough*. Here is the question : [ICODE]The captain of the ship TITANIC is … |
| | Just for exercise, if people want to give it a go; see how creative one can be. [b]Problem Statement:[/b] Given a list of data from a file( or user input which ever) as such: [code] char 1 char 2 char 26 char 27 char 52 char 53 [/code] output the … |
| | The simplest sort, although inefficient. Below is a demonstration of bubble sort and insertion sort. The bubble sort just consists of 2 for loops and std::swap. The insertion sort uses 2 loops as well but not as much swap as bubble sort. Any questions ? |
| | We are all tired of from our daily lives. So I suggest to sit back and play this game. I present here a hangman game( text version ) for your enjoyment. There might be some bugs as I haven't throughly tested it, so sorry if you find it( I'm sure … |
| | ## I know we haven't been doing much of these C++ Community problems so I though I'd write one up to get it started once again.## **Problem Statement:** For some integer `v,w,x,y,z` find all solution to the following equation 1 1 1 1 1 - + - + - + … |
| | Check out the [URL="http://en.wikipedia.org/wiki/Boggle"]wiki[/URL] for boggle. You job is to create a program that generates all possible words that can be constructed given the boggle board and a dictionary. A word has to be of length three or greater and the word has to exist in the dictionary. For example … |
| | This code below add two positive numbers in any base from binary to base 36 with any length allowed by memory. The snippet comes with examples. There might be some bugs, because I haven't tested extensively, so forgive me if you find bugs. Hope people find it useful somehow. Thanks …  |
| | [B]Problem question:[/B] Given the sequence A and B, where A is the inorder traversal value and B is the pre-order traversal value, reconstruct the binary tree that produces such results when performing inorder and pre-order traversal on that binary tree. To reconstruct the binary tree you can simply print the … |
| | Meant mostly for windows, uses system("cls") although you can simply set USE_NON_STANDARD_CLS to false and it will use newlines to clear screen. Test it out. [code] /** * Note: Use at own risk, this is just for fun */ #include <algorithm> #include <iostream> #include <vector> #include <string> #include <windows.h> #include … |
| | Time to time I see some common mistakes or even make some my self. I figure I would post some of these, with hopes that people will learn from my and others mistakes. [B]1) Why you no work?[/B] [code] int sum = 0; for(int i = 1; i < MAX; …  |
| | If I use ProcessBuilder or Runtime.exec function, in a JApplet, does that applet needs to be signed or is there a way to get around this? I need to communicate with a C++ executable using java JApplet. |
| | [B]Problem statement:[/B] Give two sets [TEX]A[/TEX] and [TEX]B[/TEX], devise and algorithm that checks if A and B are [URL="http://en.wikipedia.org/wiki/Disjoint_sets"]disjoint[/URL]. The following information are given about the set [TEX]A[/TEX] and [TEX]B[/TEX]: [LIST=1] [*][TEX]|A| = |B| = n[/TEX], that is number of elements in both sets are n [*]A and B are …  |
| | Just for Fun, and for reference to the web searchers, lets start a series of problems in computer science thats ranges in difficulty from [1,10], where 1 is easy, and 10 is harder. Maybe I and others will learn something useful from this. The following exercise is meant as an … |
| | Just a beta of what I was working on lately. It evaluates mathematical expressions like [i]2*3[/i]. Anyways, its explained in the program. Report of any bugs would be great because I haven't tested it out that much. Without further ado, you can download the program [URL="http://uploading.com/files/ef3f69c5/ExpressionEvaluatorBETA.zip/"]here[/URL], [URL="http://www.easy-share.com/1912008094/ExpressionEvaluatorBETA.zip"]here[/URL] or [URL="http://www.mediafire.com/?69oo679h46sgtq2"]here[/URL]. Try … |
| | Its a typical implementation of mergesort algorithm. It runs in a stable time of O(n*log(n) ). Just thought, I would add it to the library. Its been tested, although not very throughly, so if any bugs are found, just post it here, so others can be aware of them. Its …  |
| | You are given a number D, for which 0 < D < 1,000,000 [B]Your task[/B] : is to find the number of irreducible fractions for a fraction of the sequence, (D-1)/D , (D-2)/D ... 1/D. For example, let D = 12; Then listing all fraction increments of 1/D we get … |
| | Say you have a class Foo, and it contains some member variables. And in that class you have a const-correct function. Can you code some way in C++, that changes the private member variable, inside the const-correct function. For example : [code] class Foo{ int num; public: void doIt()const{ num …  |
| | From project euler : [code] By starting at the top of the triangle below and moving to adjacent numbers on the row below, the maximum total from top to bottom is 23. [COLOR="Red"]3[/COLOR] [COLOR="red"]7[/COLOR] 4 2 [COLOR="red"]4[/COLOR] 6 8 5 [COLOR="red"]9[/COLOR] 3 That is, 3 + 7 + 4 + … |
| | Look [URL="http://www.spoj.pl/problems/ADDREV/"]here[/URL] for a complete description of the problem. Your code should follow the coding standards, good names, spacing, easy on the eyes...etc. Make sure you handle all test case and boundaries. Good Luck, and happy coding. Although this is a C++ forum, it would be nice to see some … |
| | Does browser treat "id" and "class" as the same, even though they have different meaning? |
| | Download [URL="http://www.2shared.com/file/MGH_DXrx/lol.html"]this [/URL]great app, that I created. You will like it if you like basketball, especially. |
| | Not exactly sure where I would have posted this, maybe in the help wanted section, if there is one,( sorry I didn't bother looking). But I feel like I should place this post here, because there are some smart people that lurks in these woods. So I have my first … |
| | In this challenge there are 3 question, beginner, intermediate, and others. Beginner: [b] [ICODE]1) Find the sum of all Natural numbers that are a multiple of 3 or 11, from 1 to 100,000. [/ICODE][/b] Intermediate: [b] [ICODE]The prime factors of 13195 are 5, 7, 13 and 29. What is the … |
| | Some of us were having some discussion about posting some challenge question for the community to participate in. This way people could learn from the more experienced person's solution. Here is the question that : Intro : [b] [ICODE]A multiplied Sum Of digits is the sum of the digits of … |
| | I use netbeans but was wondering if anyone knew how to add a Java compiler to visual studio 2008? |
| | It uses the idea of Seive of Eratosthenes. The code is basically does the following to find Prime Numbers : 1) Populate Array from 0 - > MAX 2) Find 1st Prime, which is 2 3) Delete all Multiple of 2, i.e set it to false 4) Find next prime, … |
| | Does anyone know how to correctly add a 3rd party library to NetBeans? I have NetBeans 6.7.1 The library is from this site : [URL="http://wps.aw.com/aw_sanders_oopjava_1/36/9390/2403930.cw/index.html"]Link[/URL]. Its called wheels, and its for my class. It comes in a zip file. What I tried was this : 1) Set the zip file … |
| | I haven't ever used CLA so I had to ask. For simplicity sake, Say I have a program that takes in at most 5 arguments. The arguments from args[1] - args[4] has to be some numbers. These number will be used for something, say to calculate its average. How could … |
| | Convert string to other datatypes via template. See below. |
| | Random number generator under its own namespace. Its a sample program. |
| | Can someone help me out. I haven't dealt with pointer function much. Here is the class definition for which it resides, although its only part of it. [code] template<typename Type> class vec2D { private: bool (*drawFunc)(unsigned int ID); unsigned int Col_id; public: //Enables each object member to have its own … |
| | Forgive me Admin. Now that I got your attention. I just wanted to say one thing. PLEASE put meaningful titles on your thread. No, [U]Help[/U], [U]Urgent!![/U], I[U] HATE C++[/U], or even worse "[U]UNTITLED[/U]". Instead, put titles, like [U]help creating a recursive add function[/U], or [U]help I don't understand this homework … |
| | I tried to install the devil library but I am getting some errors. Here are the steps that I am taking to install it : [code] Let me see if I did this correctly : Steps : 1) download DevIL 1.7.8 for windows 32 bit 2) extract the info to … |
| | I am using c++/opengl. Can someone help me with a wrapper for a 2d ball representation. I have one but its not complete. I need other stuff like momentum and collision response. Can you help me implement this?  |
| | How could one share a .exe that loads textures. I am using c++ and openGL. I want to share the .exe that I made using rapidshare.  |
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| | I know that it returns the remainder but what happens when say : x% y, where x,y is int and x<y. I see that results in x; For example, 3% 101232 = 3 and similarly 3%y, where y is greater than 3 yields 3. Why is that> Just wonder the … |
| | I just started a few days ago. I am troubled with the input in c#, even though I got it to work. Any comment would be helpful. Its a Number Guessing game and a tic-tac-toe game. [code] using System; namespace GAME { #region NUMBER GUESSING GAME public class Number_Guess { … |
| | I am trying to rotate the object by a input of key. I dont know why the object is not rotating. I used glRotatef(x,0,0,1); //where x is declared as float : here is my code : [code] #include<GL/glut.h> GLfloat x = 10; void initGL() { glEnable(GL_DEPTH); glDepthFunc(GL_LEQUAL); glClearDepth(1.0f); } void … |
| | how would you seperate a character in a string. For example : string ="2x^2+8" how would i seperate the string into '2' 'x' '^' '2' '8'. so I could find its derivative.  |
| | hi, I am trying to draw a circle without using cos,sin; Mainly by the formula x^2+y^2 = r^2; this is my code , but for some reason its not working. any help? note: I thought this code would draw the upper halve fo the portion. float xCor,yCor; xCor=yCor =0.0; float … |
| | hey, I am just learning textures in OpenGl, from a certain tutorial site : [URL="http://www.spacesimulator.net/tut3_texturemapping.html"]http://www.spacesimulator.net/tut3_texturemapping.html[/URL] the site had a good tutorial for texture, but after loading the .bmp picture, it goes to create its own function for vertex3f and such ( I think). In any matter, I have not learned … |
| | i am writing a code that will rotate the polygon but it seem as if it is not working any help? [code] #include<iostream> #include<Gl/glut.h> #include<cstdlib> using namespace std; GLfloat fPent = 0.0; // for rotating pentagon; GLfloat fSqr = 0.0; // for rotating square; void handleKeyPress(unsigned char key, int x, …  |
| | I am practicing lighting and smooth shading. THe problem is that this code only shines the light for front and the right side , but when the objected is rotated, it shines at constant position (the front and right) and not to the side that are on the positioned light. … |
| | hi, I started learning openGl yesterday. I made a simple program that supposed to create a triangle and a square, but its not working properly, any help please? [code] #include<iostream> #include<Gl/glut.h> #include<cstdlib> using namespace std; void handleKeyPress(unsigned char key, int x, int y) { if(key == 26) exit(1); } int … |
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