General C++ Programming - May 2017

arrays
Hello all, I have more arrays like A1 ,A2 ,A3 ,... . I want to call them one by one to sum their elements. How can I do this using a loop? Thanks
May 31, 2017 at 6:13pm
[4 replies] Last: Note: Nicolai M. Josuttis writes in his book The C++ Standard Library,... (by keskiverto)
by RezaAb
Linear interpolation in C++
Hi Guys, I am trying to linearly interpolate a 2D vector. I tried different methods offered by the people, but I could not find an appropriate answer. Her...
May 31, 2017 at 4:31pm
[5 replies] Last: Thanks, Jonnin. Lastchance's code solved my problem. (by RezaAb)
Check file properties for admin requirement
I am making a program that will open other programs, but some of them require administrator rights to open. I would like my program to be able to check if a fil...
May 31, 2017 at 5:35am
[1 reply] : You can obtain the permissions with std::filesystem::file_status::per... (by mbozzi)
NEED MAJOR HELP WITH THIS ASSIGNMENT
You work for a stock brokerage firm and your manager would like your help in determining how much money is spent in commissions for all the brokers. Prepare a s...
May 31, 2017 at 1:52am
[3 replies] Last: I have all my error messages working now I just need to put that in ... (by chicofeo)
NEED HELP WITH LOOP
i messed up somewhere along the lines of making this. I need the program to ask the user over and over agin when they give an invalid answer like anything other...
May 31, 2017 at 1:48am
[1 reply] : Double post : http://www.cplusplus.com/forum/general/216858/ (by chicofeo)
equality operators
I am working on my programming and increasing gradually in complexity. Thanks in advance for your help. Please EXPLAIN don't give me the code or answer but.....
May 31, 2017 at 1:48am
[2 replies] Last: Thank you very much. (by drummer7771212)
I have some questions
1)Is it right? main() { int *a,*b; cin>>&a>>&b; } 2)How can we get a random number between -7 & 10? x=-7+rand()%18 3)Is it right??? struct phone{   ...
May 30, 2017 at 8:34pm
[8 replies] Last: int *a,*b; cin>> *a >> *b; cout << *a; This is NOT correct. Y... (by doug4)
Binary file I/O
I'm learning how to write data to binary file and how to read it. Here's a program. when I run it and choose option to display all departments it displays two ...
May 30, 2017 at 5:37pm
[2 replies] Last: It doesn't seem working. When I change cin >> choice; to cin >> choi... (by lmargaret)
by sed2
Can someone explain GetLogicalDrives?
I would like to do a program that copy to usb from pc. Here is the code: std::ifstream src("E:\\myprog.exe", std::ios::binary); ofstream dst("C:\\myprog.e...
May 30, 2017 at 5:08pm
[6 replies] Last: Thank you so much. (by sed2)
by TheSDM
Return size of array to main
Hello! I am currently learning c++, in my second week now, and I am stuck on a assignment. I have a vector in it's own function: int VaderStationer(int ...
May 30, 2017 at 5:02pm
[2 replies] Last: Thank you very much. This is indeed what I was looking for, noticed al... (by TheSDM)
Is changing overloaded variables from functions safe?
Is changing overloaded variables from functions safe? By that, I mean something like this void function(int var) { var = 3+1 return var; } or for ...
May 30, 2017 at 4:48pm
[2 replies] Last: What do you mean by overloaded variable ? You can define the operato... (by Peter87)
Class Drived class
Why in the last 2 lines computers::getPrice() values are 500.7 (set by constructor) and not the price value 100.5 that I get from comp.getPrice()? #includ...
May 30, 2017 at 4:37pm
[3 replies] Last: Yes, you can, and you do. The thing is that each object has its own co... (by Peter87)
any_of not declared in this scope
Could anyone please shed some light on why 'any_of' would be throwing an error saying not declared in this scope? I've got my #include <algorithm> in there, a...
May 30, 2017 at 10:29am
[5 replies] Last: Consider installing the latest version of Visual Studio Community , th... (by TheIdeasMan)
Sorting and linking words in any file
I have an assignment that consists of sorting 10 page of words alphabetically using bubble , selection , insertion , merge , and quick sort algorithms !!! and ...
May 30, 2017 at 7:48am
[1 reply] : We can't do your homework for you. But someone can help if you have a... (by kbw)
by cw2636
Iterations
I am a little bit confused. I am a beginner, and I was trying to write a plinko game program that will print the slot path. I am stuck. I want the path to be so...
May 30, 2017 at 3:49am
[1 reply] : Please explain. Please provide code :+) (by TheIdeasMan)
scanf with floats giving problems, alternatives?
#include "stdafx.h" float get_temp() { float temp_grid = { { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 }, { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 }, {...
May 30, 2017 at 3:27am
[4 replies] Last: As I seem to being saying a lot these days: always check the value sc... (by TheIdeasMan)
Tic Tac Toe Program Errors
So I am trying to truck through a class using the book: "C++ Programming for the Absolute Beginner," by Mark Lee. What I find so frustrating is the fact that h...
May 30, 2017 at 3:19am
[5 replies] Last: As it stands this is the code, when it runs it endlessly seems to pri... (by TheIdeasMan)
Building forms inside of executable or writing code
I am an absolute beginner trying to learn to code I have created an executable with a menu bar. I can not figure out how to create a second menu bar, add a form...
May 30, 2017 at 2:32am
[3 replies] Last: I highly recommend not learning about GUI until you know the underlyin... (by jonnin)
Binary Search Tree Insert
First post of mine, feedback welcomed. I have made a BST class, and it works. The problem now is that I have a Record class with two float member variables....
May 29, 2017 at 5:06am
[1 reply] : A BST should only key off one key, or it won't be sorted anymore. Y... (by jonnin)
Stack Linked List using classes instead of struct?
OK - So this doesn't work at all. I am out of time to figure out how to write this program where the class node and class list have to be used. But, for the sak...
May 29, 2017 at 12:41am
[1 reply] : I'm still no expert in coding but the first error I see is that you pu... (by Mapler)
May 2017 Pages: 123... 14
  Archived months: [apr2017] [jun2017]

This is an archived page. To post a new message, go to the current page.
Registered users can post in this forum.