General C++ Programming - September 2018 (Page 9)

Nested Classes and Thrown Beer
I'm sitting in the local pub, one of my co-workers just stormed out after throwing her beer on my other co-worker. Monday morning is going to suck. The definiti...
Sep 4, 2018 at 1:08pm
[5 replies] Last: I would nest classes if the inner class were inherently part of the ou... (by doug4)
Understanding of the polymorphic behavior in case of custom exceptions
Why does the 2nd std::cout in the below code prints the "std::exception" and not "Ooops!"? As per my understanding, since ooops class is derived from std::exce...
Sep 4, 2018 at 12:21pm
[1 reply] : Like the comment says: throw can make a copy. The p is a std::excepti... (by keskiverto)
by elsa
Data Structures: need help fleshing out my functions
This assignment has me flustered with nowhere to go -- confusing to the extreme. I'm a novice to data structures, and this week's homework assignment has me los...
Sep 4, 2018 at 4:16am
[2 replies] Last: Check your text book and look at what a linked list is. (by DefinitelyNotPalpatine)
Extract value from key-value pair in substring
Hi, I have a very large std::string (~500,000 characters) and need to extract certain smaller strings out of it (but only the value in a key-value pair). For e...
Sep 3, 2018 at 1:23pm
[1 reply] : Do you mean something like this? #include <iostream> #include <stri... (by tpb)
extern "C"
Hello everyone, maybe it's a stupid question but in interrupt handling function I can't rewrite a variable. I'm sure that the interrupt is triggered and assigns...
Sep 3, 2018 at 1:16pm
[3 replies] Last: initialise it first, then you'll know for sure if the ISR was called. ... (by Jaybob66)
by volang
Char array, extra garbage from buffer
I create an char array (my_c_array) of size 50, then I read in exactly 50 char from a buffer... Now I wonder...Why do I get extra garbage charecters when I d...
Sep 3, 2018 at 9:23am
[10 replies] Last: Thanks man, appreciate it (by volang)
Creating an Application Logfile
I'm an inexperienced C++ novice, coding for a hobby. Class A and Class B encapsulate my data, and they contain all the public getter and setter functions for t...
Sep 3, 2018 at 4:58am
[6 replies] Last: I had to make some changes because VS2017 generated a security-related... (by SimpleCoder)
problem with scope operator
I am having difficulty sing objects with the scope operator (::). I don't have any issues writing for (.) or (->) but I am doing something really ridiculous wit...
Sep 2, 2018 at 11:07pm
[2 replies] Last: I don't want to "critique" the answer but it was thorough, clear, conc... (by technologist)
Inheritance Game Class
So I need to make an inheritance between the USER class and the Player class; I have more classes to add but I believe that if i'm able of at least understandin...
Sep 2, 2018 at 10:05pm
[2 replies] Last: I think I get what you're, saying, let me see if I can do this. Thank ... (by javyesco)
How to change fonts (graphics.h)
Hi! I am just a beginner and this is also for my project. I just wanna know if is it possible to edit the specific word or string, font. I would like to change ...
Sep 2, 2018 at 5:41pm
[8 replies] Last: ohh... i see. Thank you so much sir! Sorry for being too slow. Welll, ... (by daryledevs)
log_target_->pt_->dump();
what is the meaning of this code? log_target_->pt_->dump();
Sep 2, 2018 at 1:42pm
[1 reply] : It dereferences log_target_ to get an object. Then it dereferences the... (by dhayden)
by cgm2k7
Create File.dat in c
olá pessoal bon dia! Venho aqui mais uma vez pedir ajuda... Estou criando um projeto, que preciso criar uma criar um arquivo binário com varais imagens ...
Sep 2, 2018 at 11:09am
[16 replies] Last: help-me (by cgm2k7)
by PonasM
Merge 2 versions of a file
Hey guys I was just wondering if there was some kind of a library or something that would take 2 versions of a file and would make a third file with attributes ...
Sep 2, 2018 at 4:51am
[3 replies] Last: Any revision control system like Git or Subversion does this. The olde... (by Duthomhas)
building a library
I need help to build the following 3D engine https://archive.codeplex.com/?p=hieroglyph3 using visual studio 2017, I get a lot of errors related to DirectXTK, p...
Sep 2, 2018 at 1:00am
[2 replies] Last: I will telepathically understand what your problem is *BLAM* You're ... (by poteto)
neural net code problem
Hi all, New to coding and forum, hoping to get assistance in getting up & running with an artificial neural network code using arrays & for loops. General p...
Sep 1, 2018 at 6:53pm
[1 reply] : "in" is a 1x4 array which means the first index can only be 0, but you... (by tpb)
by sanlys
Overwriting array values(noob)
Hi i'm a total noob to c++ and programming in general. i followed some tutorials and i think i know a little bit of what something mean(lol) so i tried this ch...
Sep 1, 2018 at 6:20pm
[2 replies] Last: PLEASE learn to use code tags. It makes reading and commenting on your... (by closed account E0p9LyTq)
How can we serialize an arbitrary class?
Given this class: struct Address { string street; string city; int suite; friend ostream& operator<<(ostream& os, Address& adr) { ...
Sep 1, 2018 at 5:02pm
[2 replies] Last: Thanks for this simple solution. I am going to investigate boost::seri... (by JUAN DENT)
Access to base class from derived class
I realize this is probably a very easy question for most. However, can anyone tell me how to modify this short piece of code so that the values printed to the s...
Sep 1, 2018 at 3:32pm
[3 replies] Last: I want to thank you both (mbozzi and Peter87) for your answers; Peter8... (by JaJangMyeon)
by Ozzy69
Can you help me with this exercise?
The triangle of Pascal is a numerical triangle formed by binomial numbers (n k) where it represents the number of the line and represents the number of the col...
Sep 1, 2018 at 5:44am
[1 reply] : The second condition in the if statement should be k==0 rather than n=... (by lastchance)
September 2018 Pages: 1... 789
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