General C++ Programming - C++ Forum

by high

how these functions work??

i have this function in my program, but i have problem to understand some of its content, this is a ...

[1 reply] : how about taking a look at the definition of these? or if you cant fig... (by Darkmaster)

by dahin

Is there any Library (Eigen/Boost) to calculate Principle Component Analysis(PCA)?

I have a text file which consists of 907 objects and 1000 feature vector for each object. Is there a...

[1 reply] : cant recommend one. but if you search this in google, there are some l... (by Darkmaster)

by Haider12

Solution

Task: Write a menu driven program with the menu options: 1. Insert a. Insert at End b. Insert at In...

[10 replies] Last: i agree with those comments except that one (Here it is, in invisible... (by Fransje)

by ramsavi

problem in using STL classes.

hey i find a lot of problem in using STL classs in c++ .like how to use vectors, map ,list ...

[1 reply] : http://cplusplus.com/reference/stl/ See the above link for examples a... (by Catfish3)

by Keith Wilcox

Quicker way to configure project properties for a library?

I'm using a library called Allegro that's going quite well for me. The problem is, I have to edit 4...

[2 replies] Last: Thanks a ton! Exactly what I was needing. (by Keith Wilcox)

by PurpleKush

Printf and scanf

hello, how can i write a value on the console and not typing on it and scanf take it to my variab...

[1 reply] : So you need your code to display 2013 and put 2013 to test.variable? (by MiiNiPaa)

by Mr42castle

Newton's Method

I have been trying to write a Newton's Method program for the square root of a number and have been ...

[6 replies] Last: while ((y/x1)+0.0001 < x0); produced a better approximation faster ... (by Smac89)

by bringer of poop

dice game, iteration with selection

Hello, I am having a problem with the total bank calculating the improper amount of money held. $1...

[1 reply] : When they win, you add 1 to their bank then display bank+2...so you ar... (by Zhuge)

by activecat

Storing variable-size pointers array as class variable

Hello guys, This problem is best explained by looking at its output below. I stored 15 different va...

[6 replies] Last: To binarybob350, Thanks. Vector indeed is one of the solutions. I wi... (by activecat)

by GadgetRX

Array initialization skipping straight to int main?

Im attempting to write a program that converts binary to base10, and vice versa. But in the funct...

[5 replies] Last: @cire Thanks for correcting my stupid oops. binary is initialized to 6... (by buffbill)

by MMhawk607

Graph related problem.

I have a dictionary text file being input into a graph. The program asks the user how many letters t...

[4 replies] Last: http://en.wikipedia.org/wiki/Graph_%28abstract_data_type%29 Adjacency... (by majidkamali1370)

by needspassinggrade

ATM program loop trouble

So im doing an ATM programming project assigned by my teacher and im stuck. basically the program is...

[9 replies] Last: I do not think you r stupid at all ~~~ have u been drinking svedka? ... (by joneele)

by cesard21

creating array and giving error

I have been looking and i'm stuck on this. I wrote this program to find quarks and their charge and ...

[1 reply] : You need to loop from i=0 to i<5. Valid array indices for an array of ... (by Zhuge)

by Spirrwell

Downloading Files Multiplatform

I'm trying to find the best way to simply download a single or multiple files from individual URLs a...

[no replies]

by Ashton

Global vs Local var scope

I have two very simple questions in a global/local variable lesson. In this lesson: http://xoax.net...

[3 replies] Last: So how is the author of these tutorials getting his code to run with ... (by cire)

by newworld

hospital program

can anyone plz tell me the how to make the hospital program

[1 reply] : This is my best guess. int main() { std::cout << "I'm a hospital!... (by Stewbond)

by sabrinap15

Multiple Functions

Hello all. For my intro to c++ class I have this assignment due. I've already completed the first...

[1 reply] : #include <iostream> #include <fstream> #include <string> int factori... (by Stewbond)

by Kenny002

Question about clearing/free up memory

I'm still not too familiar with the concept of properly clearing memory space when you create a var...

[2 replies] Last: Alright thanks! (by Kenny002)

by ddow

New to prgramming!

Hi Everyone I was wondering if you could enlighten me with some information I am looking to get ...

[3 replies] Last: Thanks everyone. I appreciate it all I will check out the webiste pr... (by ddow)

by copre22

Using bitmask operators

So this is the code I have so far which puts a bitmask seperator base on what I choose. My problem i...

[3 replies] Last: String multyplyByTwo ( const int number ) is a function declaratio... (by cire)

General C++ Programming - March 2013 (Page 47)

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