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Beginners - July 2016 (Page 27)

Starting to learn c++ today. I just started accelerated c++. Any advice prereqs? plus help on other books.

http://stackoverflow.com/questions/388242/the-definitive-c-book-guide-and-list on this site... in the beginners, I start with Accelerated C++. I then read al...

[3 replies] Last: You could say that you are a programmer when you are able to write a f... (by JLBorges)

by miss1001

string problem

hi! I don't know what's the problem with this code???? I can't see the result of my third test cases about cancatenation strings with + on screen the output is ...

[10 replies] Last: thank you all std::cin.ignore( std::numeric_limits<std::stream... (by miss1001)

by Laks17

How to download the data from the website automatically?

Hi, I want to download the data from a website daily. Is that possible to save the data automatically from the url by any script or code. https://www.hyderabad...

[3 replies] Last: First, read the html/javascript source and try to find an entry point ... (by a k n)

by FBHSIE

Slot machine help

A slot machine is a gambling device that the user inserts money into and then pulls a lever (or presses a button). The slot machine then displays a set of rando...

[7 replies] Last: nice code... :) just document it as everyone loves documentation (by shadder)

by hashbrown

Can Singleton Classes be "truly indestructible"?

When I say truly indestructible, I'm referring to the class object not getting destroyed until the machine is turned off. Is this true? I read in a Stack Over...

[4 replies] Last: I believe you're misunderstanding how programs are developed. Basicall... (by Turbine)

by lamper

About inherited classes

Let's say we have a class B which is inherited from A. I want to use some functions of A and I want to redefine some functions of A in B. The question is, can ...

[3 replies] Last: Virtual functions are what you're looking for. They basically allow yo... (by Turbine)

by BryanTriana

First time using templates and multiple errors occurred

I am trying to incorporate templates into a library I am building. While doing this I was exposed to the following problems: -Undefined symbols for architectur...

[3 replies] Last: Don't forget that with templates both the declaration and the definiti... (by jlb)

by pmas98

Undefined reference

I don't know why it's getting "Undefined reference" in this code double calc_custo_de_agua(int consumo, const array<double,5> precos={2.79,3.61,3.92,6.71,...

[1 reply] : consumo_em_faixas() doesn't appear to be defined. (by NoXzema)

by oracoin

search through a file to find correct access number

Hey everyone, I am trying to write a program that will restrict access to unauthorized users. ive gone through my textbook several times and have scanned just ...

[4 replies] Last: I have made a few updates to the program based off of your recommendat... (by oracoin)

by tolulekes

taking input into string array

i'm wondering why this isn't working, it keeps giving me a build error. Here is the code snippet with the error. i have tried cin and getline. #include <f...

[4 replies] Last: at what point does one use string arrays?? When you want arrays of s... (by jlb)

by DCox2013

Issue with homework assignment.

I am supposed to use a txt file and print out the names in alphabetical order. Below is what I have put together so far, but I do not get any output. If someone...

[3 replies] Last: Thank for the input, but the issue is where I put the txt file. I did ... (by DCox2013)

by FBHSIE

Pseudocode for prime numbers (1,2,3)

This is just my pseudocode, but I'm having trouble with one portion. //module prototype Boolean isPrime(int number) main () [int number display we are goi...

[59 replies] Last: finally!!! :) (by shadder)

by Root919

Mersenne Prime

I was doing challenges on codeeval.com,and this code runs perfectly on devc++ but when I submitted this code on site they show me error in results OUTPUT ....

[3 replies] Last: peter87 its the same challenge. can you correct my code used? progra... (by Root919)

by Ed Sheeran

Creating an array of functions?

I basically wanna create an array with functions for example I have: void draw0(){}; void draw1(){}; void draw2(){}; and I tried doing: typedef voi...

[11 replies] Last: Good to hear :) (by Naughty Albatross)

by glitter

use external varaiable

hello everyone, I have defined external variable in hpp file (extern double average_cr=1;) and I have change this variable in cpp file. I would like to call t...

[2 replies] Last: Dear FurryGuy, thank you so much for your help. it works regards (by glitter)

by NE0 G3NESiS

Programs with GUIs

Hello all! I still consider myself a beginner in programming and so I assumed this question was best posted in the beginner's forum. Currently I am working t...

[4 replies] Last: A simple to use and modern C++ GUI library is Nana: http://nanapro.or... (by qPCR4vir)

by curiousengineer

freeing memory allocated in hierarchy of structs

If I dynamically allocate a struct (using operator new) and then allocate array of structs inside it, and in those struct allocate more structs creating a hiera...

[1 reply] : Do I need to keep track of each struct array that has been allocated ... (by jlb)

by sam80

Characters

Hello everyone, Could please anyone explain to me that why should I use '0' to cast in order get the correct character display? #include <iostream> usi...

[2 replies] Last: Thanks! (by sam80)

by dimensiondoesgaming

trying to store a changing variable using str::size in a seperate variable

Back again, I'm trying to get the size of 'str' by the .size function. I have an int variable to store the results in. String str = "hello"; Int strchar; ...

[1 reply] : You have the assignment statement with the operands on the wrong side ... (by Chervil)

by frantheman27

Beginner Excercise Feedback and Help

Hi everyone, I'm doing the beginner excercises found here. http://www.cplusplus.com/articles/N6vU7k9E/ I've got the first 3 done and id like some feedback on t...

[1 reply] : Hi, i'm having a lot of trouble displaying the array in descending o... (by shadder)

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