please wait
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by AL88
Please explain and help me fix these compiler errors and warnings
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| Please explain the compiler errors and warnings: alistair@alistair-Satellite-Pro-L300D:~/C++Practice/AnIntroductionToProgramming$ g++ q2ch11.cpp -std=c++11 -... |
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Aug 17, 2018 at 7:20pm
[2 replies] Last: -fpermissive Do not do this. Instead, write correct C++. (by Repeater)
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by AL88
why cant I make square take one perimeter whilst rectangle takes two?
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| My book is asking me to make the rectangle class constructor just take length whilst making rectangle take width and lenght , how do i get it to compile? ... |
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Aug 17, 2018 at 6:45pm
[3 replies] Last: The "virtual" mechanism doesn't come into effect unless you use pointe... (by tpb)
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by sebbedb
How to organize classes for correct access
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| I'm fairly new to OOP, and right now i'm stuck on the correct way to allow multiple classes to have the correct access rights to each other. So, i have three c... |
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Aug 17, 2018 at 2:13pm
[1 reply] : You forgot to mention who owns what. From your second paragraph I assu... (by helios)
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by PhysicsIsFun
choose random vector entry (1,2,3)
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| Hi guys, is there an easy way to choose an integer between 0 and N? To be more precise, I want to randomly(!) choose an element from a vector, so I thought ... |
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Aug 17, 2018 at 1:50pm
[54 replies] Last: Thank you guys, you have been a great help :)! (by PhysicsIsFun)
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by oayrancioglu
Reading certain values of a vector and write them into another vector
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| Greetings, I couldn't succeed on doing that. Here's basic parts of my code that i tried to read certain rows within a vector and tried to write them into anoth... |
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Aug 17, 2018 at 6:45am
[2 replies] Last: Hello, Does QLT.size() == 0 at line 1? Yes. I tried "Push back" ... (by oayrancioglu)
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by Stuffman
A vector of unique_ptrs pointing to unique_ptrs
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| Sorry for such a basic question, I'm coming back to C++ after like 15 years and having a really hard time finding sources that explain how vectors interact with... |
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Aug 16, 2018 at 11:56pm
[2 replies] Last: About using std::vector<Room*>, I was under the impression that I woul... (by Stuffman)
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| network connection |
| hello guys, please i want to develop an application that connect devices together so to receive and send files, and message. example: a laptop who has my appli... |
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Aug 16, 2018 at 8:00pm
[1 reply] : Take a look at boost asio: https://www.boost.org/doc/libs/1_68_0/doc/... (by coder777)
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by PhysicsIsFun
Hard spheres - check for overlap (1,2)
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| Greetings, in a Monte Carlo simulation of N hard spheres, radius R>0, I randomly choose a sphere and propose a new position for this particle in the direct vic... |
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Aug 16, 2018 at 2:31pm
[30 replies] Last: ah ok, yeah, it might help that I just have to update one row of the a... (by PhysicsIsFun)
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by l0gic
Heap Array
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| Hello, I am new in C++ enviroment. I was a C programmer for 2 years. After knowing so much about it, I decieded to move to somthing bigger like Java or C++. I d... |
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Aug 16, 2018 at 8:14am
[11 replies] Last: When you paste code and the editor needs to insert line breaks in the... (by Peter87)
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by surfersss
%*s means in sscanf
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| Write your question here. #include <stdio.h> int main () { char sentence ="Rudolph is 12 years old"; char str ; int i; sscanf (sentence,"%s %*s... |
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Aug 15, 2018 at 5:11pm
[1 reply] : https://en.cppreference.com/w/cpp/io/c/fscanf %*s causes a string t... (by mbozzi)
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by holyheck
No clue how to deal with this error
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| I'm trying to make a program which gives me all the words that have a certain number of letters, it gives me the error: "invalid conversion from 'char' to 'cons... |
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Aug 15, 2018 at 4:41pm
[5 replies] Last: also, @holyheck, is there a reason you're trying to work with C-style ... (by icy1)
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by RCPP
Defining A Range
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| Hello everyone. I am stuck at a point where my program won't go for a loop. I'm trying to define a range of numbers and not with vectors or arrays but with a fo... |
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Aug 15, 2018 at 2:23pm
[19 replies] Last: [quote=rcpp]Last but not the least, what should I do if I want numbers... (by lastchance)
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by Issa
Error
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| Hi I have written according to the instruction but I still gett an error. According to data, it says that it can not find the file or directory. Dont kno... |
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Aug 15, 2018 at 12:57pm
[4 replies] Last: OK, Thank you icy1 and FurryGuy for the help/information. I considerin... (by Issa)
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by teodor0xcb
Pointer not returning the way I was expecting to
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| I have decided to overload the builtin 'string' class and create my own custom String class in order to improve my knowledge regarding operators overloading in ... |
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Aug 15, 2018 at 11:05am
[12 replies] Last: Thank you very much for all your replies! I now understand how things ... (by teodor0xcb)
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by anyliser342
how to share a int with a function
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| i want to share the selection in main with the down function and get de comfirmation of my selection including the 2 cout (in main and selection) #inclu... |
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Aug 15, 2018 at 2:28am
[1 reply] : #include <iostream> int choice( int min_value, int max_value ) { ... (by JLBorges)
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by lambavvv
Filling a vector of non-integer type using a for loop
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| I've got a function that initializes objects of Enemy class (just once), expanding the vector of <Enemy> class type. A for loop doesn't work, however, as it tri... |
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Aug 14, 2018 at 8:42pm
[6 replies] Last: Yeah, I did now. As a matter of fact, I had done that in other classes... (by lambavvv)
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by DesmondLee
Help! Matching numbers
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| The user has to guess 6 numbers before they are generated. Your program will then tell the user what are the matched numbers. If the user chooses any number les... |
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Aug 14, 2018 at 4:33pm
[11 replies] Last: you are doing great. Now that you have it working consider these idea... (by jonnin)
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by John Karror
passing a value from one code to another
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| It's my first time writing a real program (UI and stuff) I am using GTK+ with C. My program is written in C++, and I also have some simple ones in python. ... |
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Aug 14, 2018 at 7:44am
[2 replies] Last: You're asking about "inter process communication". https://en.wikiped... (by Repeater)
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by philip1999
why the player is not switching between "X" and "O"?
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| I cannot understand why the player is not switching between "X" and "O"? #include<stdio.h> #include<iostream> using namespace std; char matrix = ... |
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Aug 14, 2018 at 5:05am
[4 replies] Last: @philip1999, Please read @mbozzi's post. You need that ampersand & in ... (by lastchance)
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by tghatem
Visual Studio - Windows application
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| Hello, I am looking for advise. I want to use VS to program a window (s), that have a library of electrical components like, bus, Line, Generator, transfo... |
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Aug 14, 2018 at 4:48am
[3 replies] Last: Hi Andy, Thank you for the advise. The core program that I created ba... (by tghatem)
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