Beginners - C++ Forum - February 2015 (Page 46)

by closed account 410DizwU

The other way to makesss it?

solved

[no replies]

by closed account 410DizwU

Small question, new here (L)

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by closed account 410DizwU

The thing Im wondering about (P)

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by sheva29

using a nested forloop to compare particles

I have a particle system of 21 boids. They all have different states for when you interact with them. So I basically want that when the user touches one and a m...

[1 reply] : ok I figured it out! But I wonder if there's an easy way so here what ... (by sheva29)

by cbars

Need Help Creating A New Output with Codeblocks

Hi I'm brand new to C++ and am currently doing a lab that has me so stumped. The first part I managed to do correctly with this code #include <iostream> usi...

[9 replies] Last: since you pretty much figured it out . Here's how I did it int m... (by suitedupvet83)

by mystic97z

help raising number to powers

Hey guys, i can't figure this out. I have a c++ book but it doesn't really help me on this... I need to compute things such as 3^2 = 9 (three squared =...

[4 replies] Last: make sure to include #include<cmath> before using the pow operat... (by suitedupvet83)

by SuperFlu

How do I loop back to the beginning?

So I'm making my first program w/ C++ and its a game guessing game. I've learned how to use booleans, chars, strings, if/else, loops, and input. Anything past t...

[4 replies] Last: wow i like it. works perfectly. thanks! I'll be sure to keep a copy of... (by SuperFlu)

by Trapnasty92

Output error

Hello. When I compile and run my program, and input numbers when prompted, the end result is always 0. It is supposed to run the numbers through an equation, an...

[2 replies] Last: when you declare a variable, the variable by default will hold nothing... (by Ulutay)

by dadoucha

why memcpy inverts the byte order?

Dear all, I'm trying to use memcpy to get some kind of information copied into a buffer. My problem is that the order of the copied bytes seems to be inverte...

[1 reply] : memcpy does not invert anything. It is just x86 achitecture using li... (by MiiNiPaa)

by DAoliHVAR

Understanding libraries

Hello,for some time now,i've been working on a project involving ciphers and such. i want to create a library of multiple ciphers that one can call. but as i ...

[8 replies] Last: can i use classes in libraries Yes. how to actually run libar... (by AbstractionAnon)

by OUIJ

Importing an existing class

I have been programming for about 1.5 years in school now. I am good at C++, C#, and Java. I am having a little issue with importing an existing class that I bu...

[3 replies] Last: Thank you MiiNiPaa (by OUIJ)

by americanxo

declaring variable within a function

let's say, i have a function that needs to create a temporary variable to hold a number, i can do it statically, and dynamically. And below are two examples: ...

[11 replies] Last: { int function( int first, int second ) { // local var... (by americanxo)

by ct180

Simple Repitition Structure Output Help

I've gotten the code to do exactly what I want, but, as usual, I'm having issues with having the output come out the way i want it. Basically, it runs the equa...

[2 replies] Last: It's for a class with VERY explicit instructions to familiarize oursel... (by ct180)

by thefly

How to write this triginometry equation?

Well my C++ class is mixed with CS majors and Engineer majors, so most of our labs are geared toward engineers. I'm still in precalculus so this is slightly con...

[8 replies] Last: Those were the examples he showed. He did say there was a logical erro... (by thefly)

by cbruck8907

Help With Looping

I need help with looping, I've been trying to figure this out for days and I cant seem to wrap my head around it. I know how to add, multiply and etc..., its th...

[2 replies] Last: http://ideone.com/GnwCOc I cleaned it up a little, I just need help w... (by cbruck8907)

by HelenI

Queue

This is stupid but how do i print a queue?

[1 reply] : Define what you mean by queue? std::queue? Some custom class? What do ... (by MiiNiPaa)

by h4ever

floatf - wrong result

I am getting 0 instead 1 why? H=1; data->row_pointers =(unsigned char)(roundf((H/360)*255)); result in float should be 0,7083 rounded should be 1. Yet i...

[5 replies] Last: OK, so what I must do to get 1? H=1; data->row_pointers =roundf(H*0... (by h4ever)

by shola

How to get rid off the warning

When I compile my code, I receive this warning, "tp.cpp: In function ‘int single_roll_sim(int, double)’: tp.cpp:103:1: warning: control reaches end of non...

[4 replies] Last: At a job long ago part of the coding standard was never to have more t... (by tipaye)

by sekmo

Converting a string into binary using functions

So my class assignment we had to convert a string to a set of binary. My original code is as follow: #include <iostream> #include <string> #include <cma...

[2 replies] Last: There is an argument I've observed several times. Most likely he mea... (by tipaye)

by h4ever

How to pass 3 bytes to buffer in one command?

How to pass 3 bytes to buffer in one command? // image_buffer is type unsigned char* of RGB image // This seems to be wrong: image_buffer =(unsigned c...

[7 replies] Last: I am watching it in Watch panel while debuging. I see I must to switch... (by h4ever)

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Beginners - February 2015 (Page 46)