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Beginners - April 2011 (Page 27)

I am a newbie to all of this, trying to learn on my own. This is revised code that others had helped me with. This code is STILL giving me some wrong output....

[1 reply] : You made another thread for the same problem, deleted the contents of ... (by hamsterman)

by periwinkleguy

structs and data types

I am trying to control a quadrotor device, and to do so I need my program to send command inputs via a struct. In the owner's manual, it oultines how to do this...

[3 replies] Last: As long as chksum is 16-bits wide, then yeah, there won't be any diffe... (by Disch)

by lan1967

Hardships with compiling parrallel programs on serial machine

Hello, everyone. Sorry for disturbance. I am trying to compile Hello.world program for mpi using text from dummy mpi package mpi_stubs. Running g++ -c hello....

[1 reply] : Hello, just use the "mpicxx" command instead of "g++" to compile. (by stefanfuchs)

by neowoot

I don't understand these instructions! :(

The first step of my programming assignment, which is supposed to introduce us to arrays, is as follows: "Declare an array named tests and initialize 3 element...

[3 replies] Last: Okay. Thank you both very much for your help. I don't feel as clueless... (by neowoot)

by Tankid

Auto press enter in cin?

Hi guys I saw a program that asks the user to input y or n to continue the process... and when you input one of them it automatically presses enter and proce...

[7 replies] Last: If you want an option after another option, try using a switch stateme... (by Lynx876)

by Jonnyisonfire

Using pointers to compare multiple values?

Hi all, I'm constructing a Battleships game, and I have a "srand" function for assigning random values to the computer's ships. Because I'm working in small ...

[2 replies] Last: thank you sasanet, that seems to have worked :) much appreciated (by Jonnyisonfire)

by Donny

Reversing Values - Few Problems

Hi guys, I'm still pretty much a beginner on c++. Basically, i've got a random number generator and it gives me pressure values, which are written to a file nam...

[2 replies] Last: You already included the <vector> why not use it? IMO it's easier to s... (by matsom)

by Kelevra

Limiting the jump

Hi, I am still writing on my game. But I habe come to a problem where I don't know right now how to solve it. Basically it is a platform game. Everything wor...

[14 replies] Last: No problem, glad you solved it :) (by Acr)

by ashsmash90

Help with map class and base class pointers

can anyone explain why I need to put record* in the map section? Also is this the best way of storing the base class pointers within the map? As I intend to cre...

[8 replies] Last: ah yes, I was being very stupid. I shouldn't of been doing cout<< ....... (by ashsmash90)

by celem

Filestream headaches

I've been knocking my head off this problem for a couple of days now. Have been trawling through the c++ references here and googling my way round a series of ...

[4 replies] Last: I took the above code snippet and created a new project using my trust... (by celem)

by applesoup

Finding prime numbers loop

i have this hw question where i have to find all prime numbers between 1-1000 using boolean i.e. bool primeNum (long num); and then displays it and sums up al...

[3 replies] Last: this is no prime number program..... first read and see what a prime ... (by tejashs)

by Ramses12

Inheritance complications

Hi! I'm currently having a quite ugly problem with some classes. To describe the issue, I'd say that: I have a parent class ("parent"), which contains a struc...

[7 replies] Last: I've made it! With just one templated class. As template parameter, I'... (by Ramses12)

by hydride

Converting from java code to c++

I'm not sure if anyone knows how to code in java. But I wanted to write a c++ version of this SortedLinkList class. I just don't know how to point values to ...

[1 reply] : Extend Node like so: struct Node { Node *next; int data; bool c... (by coder777)

by v41r

Battleship game (random placement of ships)

I'm making a Battleship program for a school assignment (there, I said it). Everything is coming along rather good, except for the placing of the ships. They ar...

[2 replies] Last: The reason why you don't get an answer is: your question is not specif... (by coder777)

by neckronis

Calling a function from a class

Hey there, I am trying to learn how to us functions in seperate files but i fail each time i try. I have some problems with Calling (a) function(s) from a c...

[4 replies] Last: Thank you both for the quick response =] This will help me very much, ... (by neckronis)

by SephX

Changing array value

Hello, I am having a little trouble on thinking how to do this. The program that I'm working on is a little more than this, but the concept is the same. I hav...

[9 replies] Last: Mmm, a board holding int is ok as long as you're clear what the int re... (by kbw)

by Pradeepbhat92

Linked list of integers.

I know that we shouldn't post homework problems but this problem is the only homework question i need to do to get an A in my C++ class Please help me out. W...

[3 replies] Last: No worries coder777. I won't be handing out a solution here. This was ... (by closed account D80DSL3A)

by shadowvillian

sorting a vector of classes containing strings

The title says it all. Like in this example: #include <iostream> #include <string> #include <vector> #include <algorithm> using namespace std; int main() { ...

[1 reply] : if you want to sort complex data like that 'Stuff' use the operator<(... (by coder777)

by manasij7479

Beginning QT

What, according to those of you experienced in QT, would be the best way to begin learning QT?..Hand Coding or using the designer for everything ?..Also How muc...

[6 replies] Last: I am just starting out with Qt myself. Using the form + widgets in Qt ... (by dangrr888)

by adamk8875

comparring arrays

ok i have another noob question i have a program that asks for an account number cout << "Enter one Account number(Between 1000 and 9999) at a time: " << en...

[6 replies] Last: Hi, I've not really had time to check through the code, but having ski... (by lnk2019)

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