Beginners - C++ Forum - January 2013 (Page 37)

Is there a better/shorter way to write this program? This is the problem: Write a program which calculates a student’s end of semester grade based on the ...

[2 replies] Last: It's only a little shorter, but if you wanted to add 100 more assignme... (by Stewbond)

by justin123

tense about looping

how to loop your percent

[1 reply] : for (double percent = 0; percent <1.0; percent += 0.01) //do someth... (by Stewbond)

by Bolong Yu

C++

How to create a table form in C++?

[1 reply] : Here's a QTable class from Qt: http://doc.qt.digia.com/3.3/qtable.html (by Stewbond)

by boqian2000

C++ Video: Tricky Reverse Iterator

This video talks about the relationship between iterator and reverse iterator and how to convert between them. http://www.youtube.com/watch?v=V89gtNl4pZM

[no replies]

by Sam5513

can't load string array with getline

I'm trying to load users from a .txt file. I do this in the first lines of main(); I did my self a check to see if the files are being loaded during the loop...

[3 replies] Last: Chervil is right, if you open a file in main, it's not open for other... (by cire)

by Katieeee

Missing function header - help please

I'm just learning how to use c++ and am stuck with why this error keeps coming up saying im missing a function header '{' (old-style formal list?). please help...

[2 replies] Last: Thanks. I've been copying my indentation from the tutorials... any tip... (by Katieeee)

by acosmist

Rand() issue, game concept

Thanks for all the helpful answers you guys provided me with before I even registered. I have been lurking extensively, but am still quite the noob to programmi...

[3 replies] Last: @ Peter87 Problem solved! Thanks! (by acosmist)

by muhammad92

about bitwise

who can explain about these: (6*6+6)^(2-9%4) = 43 ? who can explain to me what is exclusive bitwise OR ^ (6*6+6) = 42 (2-9%4) = 1 why the answer ...

[5 replies] Last: so, for dealing with ^ and | we ust convert give values to base 2 ... (by muhammad92)

by scelton315

Problem With SFML

Hey guys I've decided to start programming with graphics and I've heard SFML is a pretty good library for it. However, I'm having a problem. The code that I ...

[3 replies] Last: I Would Change to SFML 2.0 (by Pickle Gunner)

by Pebble

Compound Types

I've ran the following program: #include <iostream> int main() { int aval = 6; int valu = 3; int &six = aval; int &three = valu; --aval; ...

[3 replies] Last: Finally got it. If it was described in the book (C++ Primer) the same... (by Pebble)

by divine fallacy

typedef naming convention

"Under C convention (such as in the C standard library), types declared with typedef end with '_t' (e.g., size_t, time_t)." How rigidly should this be follo...

[1 reply] : POSIX reserves names ending with _t so if you care about POSIX you sho... (by Peter87)

by kythlyn

Error checking Int for a non-Int

Hi there... I wrote a reverse "Guess The Number" game while studying from a textbook, and I put in some error checking, but I couldn't figure out how to check a...

[3 replies] Last: Hmm... I don't really understand any of that. Guess it's too advanced ... (by kythlyn)

by Bolong Yu

if structure

how to write an if structure that prints the word complete to the screen if the variable named percent_complete is equal to 100?

[6 replies] Last: Who's fighting? (by closed account 3qX21hU5)

by Sam5513

Problem with functions

I created different functions to make the programming easier. Here they are: bool fexists(string filename) { ifstream ifile(filename.c_str()); i...

[5 replies] Last: The code int GetNewFileNumber() { for(int i=0;i<MAX_USERS;i++) ... (by vlad from moscow)

by adrem7

Illegal Instruction 4 Mac

I am running a piece of code I have written and it looks as follows: #include <stdio.h> #include <string.h> #include <math.h> #include <iostream> #incl...

[17 replies] Last: You're welcome. (by closed account z05DSL3A)

by drazenmozart

no match for call to

hello! i have a class with default constructor and another constructor : class Row { public: int flows_len; s...

[5 replies] Last: You could use vectors and save yourself the trouble. That class doesn'... (by Cubbi)

by Sam5513

strcmp not working (console)

Hey guys, so, for my homework, I got to do this project which works like a database with people. I just started and I already got stuck. In the startup menu,...

[1 reply] : That's because strcmp is expecting const char * as the first param... (by AbstractionAnon)

by jaded7

container iteration

Suppose you have the following code. The size, and the values used are arbitrary, and only are just exemplary. Example 1 std::vector<int> myVector(5...

[4 replies] Last: The first loop will fail if the size of the vector exceeds INT_MAX, th... (by Cubbi)

by Anders Ekdahl

Components and entities

Hey, i'm trying to make a component based entity system and have a little problem. class ControllerComponent : public IComponent { public: virtual ...

[1 reply] : > what I want to do is to let my component to know its entity, Sorry, ... (by ne555)

by Stewbond

Primitive type sizes

I keep hearing that the C primitive types (with the exception of char) are ill-defined and the sizes are not guaranteed. Obviously if I am trying to pack a tra...

[3 replies] Last: Ah great! I've seen people use int32_t but I never knew where it wa... (by Stewbond)

C++

Forum

Beginners - January 2013 (Page 37)