General C++ Programming - September 2017

isPrime function
So for some reason it keeps printing out that 2 and 3 are not prime numbers. wtf? here's my code: ...
[2 replies] Last: to restate the above explicitly in case you don't see it: sqrt 2 is 1... (by jonnin)
void math(array ) { for (int i = -10; i > 10; i++) { cout << array ; } }
[3 replies] Last: What if one of the array elements is null? (by Peter87)
How to use Github
Hi, I've visited that site and I should say it looks very sophisticated and complicated to me. Th...
[4 replies] Last: Thank you. I have a gui app that incidentally if I can publish it on ... (by Frank14)
I have a problem and require assistance
So I'm trying to make a banking project and I have the user deposit or withdraw, I tried looping it ...
[1 reply] : The code only asks if the person wants to deposit or withdraw outside ... (by wildblue)
Homework Help
My assignment is to read a file, skipping the first two lines, and given three commands START, DATA,...
[4 replies] Last: You think to complicated. How about this: while (in >> command) ... (by coder777)
by sry90
hangman game direction?
Hi, everyone, this is my first time posting here, so I apologize if I get the formatting completely ...
[1 reply] : I think you should first forget about the code and write down in plain... (by Thomas1965)
Changing The format of a date
I need help with changing the format of a date like this (1/1/2008) to Jan 1, 2008 and 01/01/2008. ...
[2 replies] Last: Let std::strftime do the heavy lifting. (by JLBorges)
trying to figure out why my function isnt working
So ive been working on this for a couple of hours and i hit a couple speed bumps but nothing major. ...
[7 replies] Last: Yeah just noticed your reply. Im new to programming and we were taught... (by Fillip F)
Use an array to call a defined variable
I had managed to get a variable to print out a #defined definition, but than I accidentally deleted ...
[6 replies] Last: Ok thanks I will look into that. (by TheMips)
Displaying most and least common letters
Hello, I have to display the most and least alphabetic character from a file. I decided to break...
[2 replies] Last: To the computer, letters are just numbers. cout << (int) 'a' << " " <... (by newbieg)
Slow matrix multiplication
Hi there I was just trying my matrix class to perform a 1000x1000 matrices multiplication, and I hav...
[19 replies] Last: If you just want results, that eigen looks like a very good option. ... (by jonnin)
Code keep getting exception thrown error.
been trying to run this code which i had some help cleaning up but now it wont run at all and i keep...
[2 replies] Last: Thanks alot i was so confused why it wasn't running it anymore was ge... (by Fillip F)
Connection between 2 programs
Hi there, i'm new. There are a way to connect 2 programs without sockets. this 2 programs run in ...
[3 replies] Last: (by JLBorges)
Interest coding program?
I was giving the task to make a program with these instructions: Use cmath with the pow function to ...
[5 replies] Last: A is what you're calculating - I'd think you'd want to output each of ... (by wildblue)
Need help with my code
I need help with my code but I don't want to make it public, My loop is not ending and I need to fig...
[3 replies] Last: @Abstraction - Yep, I sure am, thank you for letting me know. I didnt ... (by kenandcrys)
demo error code using unique_lock
// condition_variable example #include <iostream> // std::cout #include <thread> ...
[3 replies] Last: > std::unique_lock<std::mutex> lck(mtx); This statement will lock t... (by JLBorges)
Timing in C++
Hi all, In section 26.6.1 (Timing) Stroustrup in its book ( Programming Principles And Practice Usi...
[5 replies] Last: My guess is it's #included in a Stroustrups facilities-library-type fi... (by closed account 48T7M4Gy)
September 2017 Pages: 123... 11
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