C++
Variables, Types and the C++ Compiler
C++ forces every variable to have a declared type, and that rigidity is exactly what makes the compiler so useful.
Tutorials
All tutorials
C++
Pointers and References: The Part Everyone Warns You About
Pointers have a reputation for being hard, and it's a little deserved, but the core idea is simpler than it sounds.
C++
Functions in C++, and the Value-vs-Reference Question
Every parameter in a C++ function makes a decision: does it get a copy of the data, or the real thing?
C++
Classes and Objects in C++
C++ classes feel familiar coming from Java or Python, but the destructor is something those languages don't really have.
C++
Arrays, Vectors, and Your First Taste of the STL
A plain C++ array won't stop you reading past its end. std::vector is the safer, more flexible alternative.
C++
Stack, Heap, and What new and delete Actually Do
In C++ you're handed the keys to memory management, and with them, the responsibility that most languages hide from you.
C++
Templates: Writing One Function That Works for Every Type
Templates exist so you don't have to write the same function twice just because C++ makes you declare types.
Python
Lists, Tuples and Dictionaries: Python's Everyday Containers
Lists, tuples and dictionaries all hold groups of values, but each one is built for a slightly different job.
Python
Python Variables and the Basic Types You Will Use Constantly
How Python variables actually work, why there's no type keyword, and one division gotcha that catches everyone once.