General C++ Programming - January 2014 (Page 3)

by Renato
Store a value to myfile, to a new line of the text file
This is my deposit, i want to save the value that is on (currentBalance) to the text file call balance. Right now I only know to store a sentence "Writing this ...
Jan 29, 2014 at 9:37am
[7 replies] Last: I found the way to store the new balance. What was in: myfile ... (by Renato)
USING ARRAYS
Hi.. I just started learning about arrays.. and I got this question to do: Question: Using the array to accept 10 testscore. Calculate and print the highest, ...
Jan 29, 2014 at 6:02am
[4 replies] Last: can any one help me in file handling issues? (by ak16)
using sigaction
#include <signal.h> #include <unistd.h> #include <iostream> using namespace std; void func ( int sigaction ) { cout << "Oops! -- I got a signal "...
Jan 29, 2014 at 4:04am
[2 replies] Last: I figured it out I just had to change this: (void) signal ( SIGIN... (by cppnoob25)
An odd segmentation violation
Hello, I am doing analysis of a monte carlo simulation. I am using the Root libraries from CERN, and I am coming against some odd problems. I am having a ...
Jan 29, 2014 at 1:37am
[6 replies] Last: Sorry, the code was finishing the for loop, then trying to make a chec... (by Feymanismyhero)
Need help on file reading problem
Hi, I'm not a C++ programmer but I do know simple C++. I'm creating simple console application using Code::Blocks to allow me to pass parameters from other appl...
Jan 28, 2014 at 11:44pm
[6 replies] Last: Thanks cire! It works!! so basically 'feof' is only useful after it ha... (by crystalcoder)
How to use mouse in Win32 Console
Hi guys. I want to show and control mouse in Win32 Console. What should I do? And I want to learn MFC programing. Who can give me ebook? Thanks so much!!
Jan 28, 2014 at 11:22pm
[3 replies] Last: You need to turn on mouse events with SetConsoleMode() and then list... (by Duthomhas)
by Chubby
Question about this! (1,2)
I am kind dont understand what is this ask! read 10 integer values use them to initialize elements of the array and find the number of positive elements in ...
Jan 28, 2014 at 11:17pm
[31 replies] Last: Is there a reason you're editing your previous posts to remove their c... (by cire)
by Kauto
Error C2100: Illegal Indirection
After a lot of research I found out some things that I would like to verify and use in my homework. When passing a 2D array to a function as pointer, it is trea...
Jan 28, 2014 at 10:30pm
[4 replies] Last: Have your definitions match your prototype: // These are your proto... (by Disch)
some questions
1. I want to do 2 while at the same moment. Exactly I want one while which is checking the time and it should di something every X second and the other should c...
Jan 28, 2014 at 8:30pm
[3 replies] Last: 1: Running something every X seconds is stupid and wasteful. I persona... (by Computergeek01)
Reading records from files
Is there a way to indicate how many records exist in a given file? For example, vectors have the vector.size() command to show the number of given elements. Is ...
Jan 28, 2014 at 8:07pm
[6 replies] Last: Ohhh yeah. True true. Read the contents of the entire file back into t... (by alee4408)
Grr... Errors... why?
Why am I getting this error :( main.cpp:22:81: error: declaration of ‘button::button(int, int, int, int)’ outside of class is not definition [-fpermissive...
Jan 28, 2014 at 7:36pm
[no replies]
by Eixim
Lua table out of order
Hello, I am fairly new to C++ and I have a function that for some reason is mixing up the order of the table that I make in Lua. Here is the function in C++:...
Jan 28, 2014 at 7:07pm
[1 reply] : Two things: A Lua table is almost certainly a dictionary (hash, unorde... (by PanGalactic)
by Ceset
About Pointers
Hi everyone i have a few questions about pointers and even though i have made research my humble mind failed to understand. 1. what are the benefits of us...
Jan 28, 2014 at 6:41pm
[4 replies] Last: thx to all of you. now i understand quite better (by Ceset)
Intermediate book?
So ive done quite some C++ tutorials, and i am familiar with plenty features(also did some practice with SDL). But, while i continue to work on SDL i dont know ...
Jan 28, 2014 at 4:05pm
[3 replies] Last: Yes, you don't want to be learning from the people that have already m... (by closed account z05DSL3A)
Regression library
Hi, I am looking for a free to use regression library. What I need is a function to fit data into a linear equations which multiple independent variables. ...
Jan 28, 2014 at 4:01pm
[no replies]
by Kauto
2 Errors in passing values/references to function
#include "stdafx.h" #include <iostream> #include <math.h> #include <time.h> #include<iomanip> #include<array> #include <algorithm> using namespace std; const ...
Jan 28, 2014 at 1:52pm
[2 replies] Last: Given int *Array , what is the type of &Array ? Your swap expect... (by keskiverto)
by Dmaz85
Genetic Algorithm Library
Hello, could anyone suggest me a Genetic Algorithm Library in C++? I looked for in the web, there are a lot of them, have you tried some? Is there one up to d...
Jan 28, 2014 at 10:26am
[1 reply] : look at boost: http://www.boost.org/ (by coder777)
by Kubani
using loops for drawing a checkers board
Hello all, This is the text of exercise 4 of chapter 12 of PPP; Draw a checkers board: 8-by-8 alternating white and red squares. Is there a way to use the l...
Jan 28, 2014 at 10:00am
[9 replies] Last: I have a hard time believing you weren't introduced to containers of ... (by Kubani)
What does the backslash do in this case?
Hello, I'm sorry for using a vague title. I've been learning about OpenGL shaders and came across this example: const GLchar *vertex_shader_code = { "#versio...
Jan 28, 2014 at 7:52am
[6 replies] Last: That cleared everything up, thank you all for your help :) (by Sythical)
C++ plz help.
Hey guys I am really lost on how to do this problem. Plz give me some inputs. The program must evaluate the truth value of the conjunction, disjunction, and...
Jan 28, 2014 at 6:19am
[1 reply] : Please use code tags. It is the button that has '<>' on it. This makes... (by snow 56767)
January 2014 Pages: 12345... 25
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