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Beginners - February 2016 (Page 33)

Hi, I'm having some doubts about sum in arrays. --> As far as I know, to sum values of collumns the array has to be an INT: int v_array ; In this examp...

[3 replies] Last: Hi, When using any of the scanf functions, make use of it's return ... (by TheIdeasMan)

by Jensdvvgsr

no extern declaration of an intance possible?

Hi I want to create an global object of a class, is this possible? for a normal primitv type i can just declaire it as extern int a; But if i ...

[9 replies] Last: @ Jensdvvgsr Can I ask why do you want a global instance of your cla... (by TheIdeasMan)

by cstudentc

if/else question

Hello, I'm experimenting with if statements and have encountered something I don't understand. I don't understand why the program doesn't execute else when I e...

[7 replies] Last: It is not quite clear what the the operator>> does in case of an error... (by coder777)

by bittersweet

getting the mode in a sorted array

i'm stuck on how to get the mode of an array after sorting them out. #include<iostream> using namespace std; int ascendingOrder(); int descendingOrder(...

[2 replies] Last: Your sorting functions don't return anything, they should be void. You... (by naaissus)

by ChrisH10

Problem with using a switch()

So I am able to get my code working, but on void RollDiceAndMove(), I cannot seem to get my code to make a new position (line 104) and sending it back to the wh...

[2 replies] Last: Hi, Some thoughts: line 10 : Functions should only do 1 conceptual ... (by TheIdeasMan)

by JoaquimVas

C++ Do-While Issue

Hello Everyone, I Was Asked To Make A Basic Database,Everything Works Okay Untill The Do-While Part,The While Part Doesn't Get Executed. Any Suggestions On How ...

[4 replies] Last: Hi, There are a bunch of things I would change: C++ include files do... (by TheIdeasMan)

by rain

error adding symbols: Archive has no index; run ranlib to add one

Hello I have problem when I try to use my library. rain@rain /harjutus $ make test g++ -Wall -std=c++11 -Iinclude -c tests/geometrytest.cpp -o obj/geometryte...

[4 replies] Last: Hi, Just wanted to reiterate this: http://www.cplusplus.com/forum/b... (by TheIdeasMan)

by lillybug

Can someone check my code and help me with improving it please

Does the code below look right? Also how do I do testing for this code. I need to : Include testing of the various calculations and also of the overall behavi...

[4 replies] Last: HI, I had these compile errors: 4:7: warning: ISO C++ forbids decla... (by TheIdeasMan)

by a1234d

uber c++ noob needing simple code

Hello, I am very new to the whole C++ concept and am just trying to write a simple program. All I need is this: -repeatedly ask the user for a number between...

[2 replies] Last: Thanks! Works like a charm..can't believe I didn't think of this! (by a1234d)

by DestLuck

Issues learning C++

Alright ill start off by saying who i am. My name is Patrick im 28 and i have been trying to learn C++ for sometime now. I have about 2-3books like Beginning C+...

[4 replies] Last: A tour of c++ by Bjarne Stroustrup is probably the best book for begin... (by TarikNeaj)

by dn90

Imitating a vector's constructor?

.......

[3 replies] Last: How can I write it so that if the chain isn't instantiated with a val... (by cire)

by stmaki16

Friend function wont recognize privates members

For some reason in my friend function AddUp, it is not recognizing my private members. Any ideas? Thanks guys #include <iostream> using namespace std; ...

[1 reply] : friend Rational Add u p(Rational first, Rational second); ... (by cire)

by jcelestin

classes

I don't know what the error is. ./MemberType.h:23:5: error: missing return type for function 'Membertype'; did you mean the constructor name 'MemberType'? ...

[1 reply] : Do you expect us to tell you what is wrong in your code without being ... (by TarikNeaj)

by klemen1999

Please HELP!

Hello! Can you help me please? I have a problem with my program, worked for school. I have to do a program that display negative and positive numbers from a fi...

[10 replies] Last: Thank you so much :D (by klemen1999)

by gameguy8888

When do you not use #include <iostream>, using namescape std and int main()?

I've been programming for a week now and I've always used #include <iostream>, using namescape std, and int main(). so when do you not use them? in what instanc...

[3 replies] Last: > Earlier versions of C++ did not have namespaces(...) When they were ... (by ne555)

by basedg

Random numbers and if-else statements

okay so the program works but I need the computer to pick the numbers not the user. At this point, the program is asking the user to input the number and then i...

[4 replies] Last: [quote=newatthis]Hey admkrk srand(static_cast<signed int>(time(0)))... (by AbstractionAnon)

by bluefrog

union error

Hi When I uncomment the union anonymous struct the code won't compile. Any ideas anyone? #include <iostream> #include <string> int main() { s...

[6 replies] Last: yes, category combined with a new attribute inWarehouse bool, which I ... (by bluefrog)

by frantzyk

User defined functions

Hi, I am having a problem with one of my tasks. I am asked to find and display the time required to mow the grass around a house. The house has a square shape a...

[4 replies] Last: It helped. Thank you very much. (by frantzyk)

by firedragon1

How to stop access to program if login is failed

How to stop access to program if login is failed, like after the third try i attempt, stop the entire program( make the next line appear only if login is succes...

[3 replies] Last: hey thanks tarikneaj, i got it! (by firedragon1)

by DrZoidberg

Structs and assignment operator / constructor

In this example, how is it possible that a0 and a1 are not identical? struct A{ A(){/*allows declaration of non-pointer type w/o args; does not actually...

[2 replies] Last: What I meant was declare an A instead of a A*. "A a0;" wouldn't be val... (by DrZoidberg)

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