File Handling in C++: Streams, std::filesystem and Practical Examples
File handling in C++ uses the stream classes ifstream, ofstream and fstream. Tested examples cover reading, writing, errors, binary files and C++17.
Modern C++
C++ Modulus Operator (%) — Complete Guide with Examples & Edge Cases
The C++ modulus operator (%) returns the remainder of a division. This guide covers everything — negative numbers, fmod() for decimals, real use cases, and the pitfalls to avoid.
Microsoft C++ REST SDK Is Archived: What to Use Instead
Archived on 1 June 2026, read-only, 797 issues frozen. It still compiles clean on GCC and fails outright on current MSVC. Here is what to do about it.
Little known features of C/C++
There are always few little known or hidden features in each programming language. At StackOverflow.com someone started a series of posts “Hidden features of” programming languages. The Hidden Features series is great for people who are new to a certain language.
C++ Memory Management: new and delete, RAII and the Memory Errors That Compile
Eight memory errors that compile cleanly, which tools catch them, and the ownership habits that stop them: new and delete, RAII and smart pointers.
Functions in C++: Declarations, Parameters, Overloading and Modern Techniques
How C++ functions receive arguments and what each way costs, why overloads and defaults fail to compile, and the dangling return that builds anyway.
Pointers in C++ — From Raw Pointers to Smart Pointers (Complete Tutorial)
A unique_ptr is 8 bytes — exactly the same as a raw pointer. Pointers from declaration to ownership, with every claim compiled and measured.
Constructors and Destructors in C++: Initialization Order, Rule of Zero and RAII
Constructors and destructors in C++ with tested code: initialization order, explicit, = default and = delete, the rule of zero, and virtual destructors.
C++ Classes Explained: Constructors, Access Specifiers, Members and Objects
C++ classes group data with the functions that operate on it. Learn constructors, access specifiers, RAII and more — every example compiled and tested.
C++ Templates Tutorial — Function Templates, Class Templates, and Concepts
One definition, three functions in the binary. A measured guide to templates, from deduction through concepts and the errors they produce.
std::string in C++ — The Complete Guide (with string_view and std::format)
Fifteen characters cost nothing; sixteen cost a heap allocation. A measured guide to std::string, string_view, and where the copies come from.
Operator Overloading in C++: Canonical Signatures, Member vs Friend, and the C++20 Spaceship Operator
Operator overloading in C++ with compiled examples: canonical signatures, member or non-member, defaulted C++20 comparisons, and when not to overload.