All Questions
Tagged with c++programming-practices
73 questions
5votes
5answers
951views
Is it bad practice to use nullptr in ternary operation?
I've set up a ternary operator in place of a pile of if-else's, the final expression being nullptr in order to finish the loop, like so: int menuSelect; std::string operation=""; (...
- 61
0votes
5answers
365views
When, if ever, should a private member variable, used in one function, be made into a local static variable?
Lately, I have been playing with this idiom: Changing a private member variable into a local static variable when: member to singleton class used in only one function member is mutex for a shared ...
- 3,633
1vote
0answers
92views
What is the best way to implement the following type of paradigm?
I have the following piece of code. Line 1 is a container (for simplicity, one can think of it as a list of elements e1, e2, ..., en). Now there is a function function_fun which takes as input an ...
- 19
6votes
2answers
2kviews
Why would you use 'new' and 'delete' for something that will be referenced through a vector?
I'm going through some code from this article about ECS-systems in game programming and trying to understand it, and something I'm seeing a lot is using heap memory in places where it seems like ...
- 277
-1votes
1answer
241views
How to avoid cyclic dependency in UI application
I'm developing an UI application where I ran into an issue with a cyclic dependency. Here is the simplified code, to explain the problem. #include <list> class UiStyle; UiStyle* CreateStyle(); ...
- 33
2votes
4answers
873views
C++ - Is it bad practice to use compiler specific functions?
My requirement is simple, I want to be able to count the number of bits in a number. With a little bit of research, I found that MSVC has __popcnt, GCC has __builtin_popcount and so on. At this stage,...
user374476
0votes
1answer
564views
Using for_each instead of iterators to avoid iterator invalidation
I am writing a simple custom (special purpose) container and would like to allow for iteration over each element, however, avoid using iterators due to the problem of iterator invalidation. Instead of ...
- 103
10votes
6answers
4kviews
Why are people coding "C-style C++"?
In discussions about whether to cast the result of malloc or not when coding C, one common argument is that if you cast the result then you can compile your C code with a C++ compiler. Why would one ...
- 1,438
0votes
2answers
2kviews
Should I use a class with only static members to encapsulate my program?
So I'm writing a network simulator in C++ as part of a university project. Right now, I have a class structure that looks something like: //includes type aliases #include "GlobalTypes.h" //main body ...
3votes
4answers
3kviews
How to use Macros in Programming to make code faster, efficient and compact
Recently I was going through some of the source-codes of the best competitive programmers in the world. I found out that those people use a template while writing programs, preferably in C++. I have ...
- 199
2votes
0answers
245views
Managing application versions using Conan and RPM
I have a shared object that I developed. This shared object is packaged in two forms, a Conan package, and an RPM. It is a Qt project, so it has a .pro file associated with it. Up until now, we ...
-5votes
2answers
221views
What is the proper way to unspecify an integer's value in C++? [closed]
// Default initialization int i; // i has an unspecified value return i; // Probably 0, but Unreliable i = 5; // i has a specified value i = int();// This will give it a specified value, 0 i = ...
- 3,633
0votes
1answer
234views
Limitations of using classes as interface
I am an Electrical Engineer now training and working as an embedded software developer, so I have little formal computer science and software design training. I have until a few months ago only worked ...
- 119
0votes
1answer
938views
Advantage or disadvantage of using = operator or uniform initializer while using auto keyword
Most examples of auto use the = operator. #include <iostream> int main() { auto a = 1; std::cout << a << '\n'; } Why don't they use the uniform initializer like this? #...
13votes
7answers
12kviews
Best practice to "continue" from inside a nested loop?
Here is a simplified sample. Basically, it does checks on a string from a string list. If the check passes, it will remove that string (filterStringOut(i);), and it is no longer ...
- 3,633
