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General C++ Programming - February 2015 (Page 21)

Using Polyline() to draw line segments from a loop.

Hi all, I'm trying to use Polyline() to draw lines to the screen. So far I have done my best to do the following: 1) Create a loop that simulates basic Eule...

[no replies]

by doug4

Template Specialization and Libraries

Here's my code: read.h: #include "parse.h" #include <string> template<typename T> void readValue(const std::string& str, T& value) { parse(str, v...

[1 reply] : See: http://www.gotw.ca/publications/mill17.htm read.h #include "p... (by JLBorges)

by Zyl

Intentional template redundancy possible?

Hello, I'm writing a class Vector3<T> to represent a threedimensional vector with elements of type T. I am doing this as a practice for C++ operator overloadin...

[2 replies] Last: I was thinking the wrong way round. This is much simpler than anything... (by Zyl)

by jschwe42

trouble passing vector to function by refrence

i need to sort the function and to do that i have to pass it by reference however i keep getting an error. This was a combined assignment so most of the code wa...

[no replies]

by Hedgehog Ninja

Switches with variables

Switches have never been a thing for me but my instructor assigned my class some programs that we have to make and 2 of them involve using switch cases. I am tr...

[3 replies] Last: Not sure what approach you took, but one way (probably the best way) i... (by ResidentBiscuit)

by Jt253

Car Instrument Simulator

I'm also working on this problem: For this assignment you will design a set of classes that work together to simulate a car's fuel gauge and odometer. The c...

[4 replies] Last: I still need help on this problem. How can I stop the infinite loop? a... (by Jt253)

by Sobo

Can you explain this please..

please explain that why this program will give output of 2...According to me, it should give 0 #include <iostream> #define prod(a, b) ((a > b)? a*a : b*b) i...

[8 replies] Last: http://en.wikipedia.org/wiki/Undefined_behavior (by Computergeek01)

by tmason

calculating the inverse view matrix from computer graphics...

Hello, I have a quick c++/opengl graphics related question. How do you calculate the inverse view matrix? Is that really just the inverse of the view/c...

[2 replies] Last: Hello, Thank you for the nice writeup. I need the inverse view matrix... (by tmason)

by justhappy

homework help please

fixed!

[4 replies] Last: The last code you wrote looks correct. It's also much better than the ... (by Zyl)

by hakeris1010

Header problems

Hello! I'm making a program with lots of headers, but it doesn't link correctly, displaying the "not declared in this scope" error. How should i #include those ...

[3 replies] Last: Using extern keyword in header file is the best option! (by hakeris1010)

by hoofhamples

Run Time Analysis QUESTION

Example Below: Sum = 0; for(i=1 to (n-1) for(j=1 to (i-1) Sum = Sum + i*j; I am trying to find the total. So far i have... Line 1 = 1 Line 2 = n o...

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by tajaros

How to improve my code

So I need some tips on how to improve this code by making it shorter or so basically you have to input a number from 1-100 and display it's name. http://past...

[2 replies] Last: Thanks man! Really appreciate it and I would really keep in mind on no... (by tajaros)

by goku200285251

I am desperate, please help.

Please help me i am desperate. I am doing terrible with this assignment. Here is the instructions. it is two separate parts 1st part is this Create a method ...

[7 replies] Last: Hi Seeing what you wrote so far would definitly be useful... Are you... (by HalfNOoB)

by PapaGeek

When is an Assumed Median sort faster?

I have an array of pointers to structures and I need to sort that array multiple times based on various structure elements. For example: read 300 elements from...

[10 replies] Last: Thanks, I think the preemptive code approach might be the best alterna... (by PapaGeek)

by You

How to pass integer parameter to main(int main)?

//This program demonstrates a funcion with three parameters #include <iostream> using namespace std; //function prototype void showSum(int, int, int); ...

[2 replies] Last: //This program demonstrates a funcion with three parameters #include ... (by tipaye)

by Jt253

NumDays Class

I have a program here to which i have to represent a certain number of work hours into how many days of work that will be. 8 hours is 1 work day. Here is th...

[3 replies] Last: Can you post your fix? And please use the code formatting tags. For c... (by tipaye)

by King Of CPP

Initializer List in C++

Hi , how to create an initializer list for an array-like class ?? The class is using a template by the way ...

[6 replies] Last: No, this is not possible in C++03. Create variable and then add needed... (by MiiNiPaa)

by GTR4j

Nested Loops ~ Need help!!!

I've literally spent an over hour just trying to print this 100 times but I can't seem to figure it out. Any help would be greatly appreciated! Thank you. #...

[2 replies] Last: All I really see it at very end of code you should need a return0; a... (by sly858)

by DELB

Prime Numbers Help

Hi, #include <iostream> // note the use of function prototypes bool isDivisible (int number, int divisor); bool isPrime (int number); using namespac...

[3 replies] Last: see this simple program to find prime numbers: http://www.easycppcodes... (by easycppcoder)

by Zanmato

How to determine a special character in a string?

I have to make an email validation program and i am halfway done. I only have one more problem, consider the ff. example: Enter email: myemail.@something.com /...

[4 replies] Last: Thanks, i got it. but i can't seem to get this to work: for (i = 0;... (by Zanmato)

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