Resources
Brief
Here are a few awesome resources that will help you in your learning journey
Video tutorials​
The Cherno: Great beginner level tutorials to learn C++ and many of its features.
Jason Turner: Advanced and very detailed videos about various aspects of C++.
mCoding: Has a few great videos about C++.
Guidelines​
How to write unmaintainable code
Other classes​
CPP Learning: Great classes (in French) by Céline Noel for the Master 1 at Université Gustave Eiffel.
Blogs​
Articles​
C++ Compilation: A short description of the C++ build process
C++ Interview questions: Common questions to test your skills in C++
Doom3 BFG Source code review: Code analysis of a huge codebase by Fabien Sanglard
Books​
The Pragmatic Programmer, David Thomas & Andrew Hunt.
Game Engine Architecture, Jason Gregory
Head First Design Patterns, Eric Freeman & Kathy Sierra
Game programming patterns, Robert Nystrom
Conferences​
10 Core Guidelines You Need to Start Using Now Kate Gregory
Clean Coders Hate What Happens to Your Code When You Use These Enterprise Programming Tricks Kevlin Henney
All the Little Things Sandi Metz, TDD, refactoring, write small things
Free Your Functions! Klaus Iglberger
SOLID, Revisited Tony Van Eerd
Using Types Effectively Ben Deane
Declarative Control Flow Andrei Alexandrescu
C++ Code Smells Jason Turner, Great quiz to test your knowledge of C++ features
The Best Parts of C++ Jason Turner, Great quiz to test your knowledge of C++ features
Building Software Capital: How to write the highest quality code and why David Sankel, All good dev practices (code reviews, unit tests, etc.)
Curiously Recurring C++ Bugs at Facebook Louis Brandy
Embrace No Paradigm Programming! Klaus Iglberger
Breaking Dependencies: The SOLID Principles Klaus Iglberger
Functional C++ Kevlin Henney
What Has My Compiler Done for Me Lately? Unbolting the Compiler's Lid Matt Godbolt Amazing optimizations done by the compilers, and a bit about understanding assembly code
Retiring the Singleton Pattern: Concrete Suggestions for What to use Instead Peter Muldoon
C++, Abstract Algebra and Practical Applications Robert Ramey
Literate Programming in the Large Timothy Daly
The Most Valuable Values Juan Pedro Bolivar Puente Value-oriented architecture for C++ applications. This is a big deal!
Patterns and Techniques Used in the Houdini 3D Graphics Application Mark Elendt
Don't constexpr All the Things David Sankel
C++ Class Natures in Their Canonical Form and How to Find Them Peter Sommerlad
Data-Oriented Design and C++ Mike Acton
What Belongs In The C++ Standard Library? Bryce Adelstein Lelbach