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Beginners - January 2016 (Page 8)

Write your question here. I'm trying to define two equations(x,y) in c++, the two equations describe how the particle diffuse in magnetic filed I did not get an...

[17 replies] Last: For if all, the angle x should be a double. Angles in the math library... (by dhayden)

by antonyt

sorting string members in an array of struct

i am having trouble with the sortName function as it is not sorting the strings.I am weak on string sorting, havent done much work with it. Not sure what i am d...

[3 replies] Last: Because we have so many functions that are wanting to use the Struct.... (by cire)

by Jason34

Help I'm stuck!

Hi I'm new to C++, and I'm having an issue with this code where I need to enter information on each of the lines; however for some reason I can only enter infor...

[7 replies] Last: I'm obtaining my bachelors in comp sci and none of my professors hav... (by Moschops)

by alex067

String input

Is there anyway you could use a string which the user gives, and use that string to determine what function executes? So like a simple menu would usually use...

[9 replies] Last: Is there a lower and upper function for strings? One can loop thro... (by TheIdeasMan)

by Zarman

Question about numbers and strings

So as you guys may or may not know, there's a Project Euler task that has you find the largest palindrome of 2 three digit numbers multiplied by each other. Are...

[5 replies] Last: What is a (2) + a (3)?? I've never seen this syntax in c++ are you try... (by alex067)

by m0bb1n

Repeat section of code after IF statement

Hello, I was wondering is there anyway for my code to repeat a certain process again without writing it over again. Here is the part that I want to repeat. ...

[7 replies] Last: [quote=Zarman]There are no differences, but the string object is bette... (by TheIdeasMan)

by Arquon

Why cant I continue extracting values after first loop ?

Hello, I have to use "Data" function multiple times, but after first time using it, I cant extract any more values. Does it have something to do with it reopeni...

[17 replies] Last: [quote=Arquon ]I need to prototype it only if I want to do it below ma... (by TheIdeasMan)

by FluorescentGreen5

Printing text on winapi gui application

Hello everyone, I've decided to move onto GUI applications, and would like to know how to print some simple white text in the center of the screen (Hello World ...

[4 replies] Last: True, but that's for a simple message box, I wanted to give an real wi... (by FluorescentGreen5)

by alex067

Pointers, when to use syntax

Can someone explain to me please when you can use -> or . operator to dereference a pointer? For example, if you have NodeType *ptr = new NodeType then pt...

[3 replies] Last: I'll just say it simply. as you know, *ptr is the value, and ptr is th... (by Zarman)

by tomlu0416

Looping and Unused Variable 'ch'

Hello Guys: In this program I'm asking the user to input a word at least 5 characters, then a single character to show how many times it repeats in the world...

[2 replies] Last: #include <iostream> using namespace std; int main(){ char word; cha... (by Zarman)

by alex067

Do while menu

I'm trying to create a basic menu but I am having trouble where if the user inputs Q, it will terminate the program and execute like a statement saying "Termina...

[9 replies] Last: One thing though, the link you provided me to show a menu, wow it is ... (by TheIdeasMan)

by Namlich

2D array as parameter

Hi, I've been trying to solve this, but i just can't seem to figure it out. Been searching all over the web. How come this code works fine, if i put 4 int...

[3 replies] Last: Oh, and make the parameters to your function const as well, it's a p... (by TheIdeasMan)

by wilk3sy

dynamic arrays?

Hello all I have a question regarding arrays. Do you have to define their size during development, or can you dynamically allocate them? I've came across...

[10 replies] Last: See http://www.cplusplus.com/forum/beginner/182513/#msg894223 (by JLBorges)

by wilk3sy

char * or string

Hi Excuse what may be some pretty simple or dumb questions over the next few weeks from me. My mentor at work has a history in embedded C and hasn't ever rea...

[1 reply] : Favour std::string over dynamically allocated C-style strings C-st... (by JLBorges)

by closed account zUjEwA7f

Basic Store

Hello! I'm a beginner, and i'm starting to get the grasp of a lot of aspects. I'm trying to make a basic store. You have $20. This $20 is changeable, meaning yo...

[3 replies] Last: For starting out, don't use global variables unless your program is ne... (by Mort88)

by exelbeast

Sorting a string array based off of the indexes of a sorted int array?

Hi, I'm working with dynamic arrays and I'm trying to sort a string array based off of the indexes of an int array that has been sorted in descending order. I'm...

[6 replies] Last: Thank you so much cire! That is what I needed! You got it to work for ... (by exelbeast)

by merdasss

please help me wirte this program

HI ALL! i actily wrote a program and i faced a problem right now what i need is that a program that copy a file with address below: C:\Windows\System32\te...

[no replies]

by noodel

total beginner with while

Hey, can you help me with this? I know I should add more variables but I still dont know where. You are given a number and you have to find the sum of the numbe...

[4 replies] Last: It's not that complicated actually. #include <iostream> using name... (by Zarman)

by Justine James

HELP ME!!!!

#include <iostream> #include <iomanip> using namespace std; const int SIZE = 5; string getName (string message); int getValue (string message); double get...

[1 reply] : Please update your post and use code tags - http://www.cplusplus.com/a... (by TarikNeaj)

by thecrazygerman

Repeating text if statement?

Hello, I am trying to create a program that will rate certain values with a specific number. However, there are about 200 different items that need to be rat...

[5 replies] Last: double quotes ("hello world") are for strings, and single quotes ('a'... (by thecrazygerman)

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