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Blog

2024년 7월 16일 11 min read Intermediate Tutorial

C++ Function Pointer | 'Function Pointer' Guide

C++ function pointer int add(int a, int b) { return a + b; }. Organize from concept to usage with practical examples and code.
2026년 3월 12일 13 min read Intermediate Tutorial

C++ future and promise | 'Asynchronous' Guide

How std::future and std::promise pass a result between threads in C++, and the difference between this and using std::async directly.
2025년 8월 14일 20 min read Intermediate Tutorial

C++ GDB: A Practical Debugger Guide

C++ GDB guide: breakpoints, stepping, variables, backtraces, -g builds, core dumps, and multithreaded debugging—with real examples.
2025년 5월 6일 17 min read Intermediate tutorial

C++ Generic Lambdas — auto Parameters and Template Lambdas

Generic lambdas in C++14: auto makes operator() a template, C++20 template lambdas, STL patterns, deduction rules, performance, and common pitfalls.
2024년 7월 22일 12 min read Intermediate Tutorial

C++ GUI | Beginner Guide to the Qt Framework

Qt C++ GUI: QApplication, signals/slots, layouts, custom widgets, menus, and sample apps. Build with qmake or CMake and avoid common pitfalls.
2024년 11월 22일 25 min read Beginner Tutorial

C++ Header Files : Declarations, Include Guards, and What

How C++ headers declare APIs while .cpp files define behavior: ODR-safe patterns, include guards, forward declarations, templates, inline functions.
2025년 10월 10일 16 min read Beginner Tutorial

C++ Header Guards: #ifndef vs #pragma once, Portability,

Compare #ifndef/#define/#endif with #pragma once, fix redefinition errors, name guard macros safely, break circular includes with forward declarations.
2025년 5월 19일 10 min read Intermediate Tutorial

C++ Heap Corruption: Double Free, Wrong delete,

Heap corruption in C++: buffer overruns, double delete, delete vs delete[], use-after-free, ASan and Valgrind, and RAII patterns to stay safe.
2024년 7월 16일 18 min read Advanced Tutorial

C++ `if constexpr` | Compile-Time Branching in Templates

Use `if constexpr` to discard untaken branches during instantiation—unlike runtime `if`, avoiding ill-formed code in unused branches for templates.
2024년 1월 11일 15 min read Beginner tutorial

C++ if / else / switch: Conditionals, Pitfalls, and switch

Complete guide to C++ conditionals: comparison and logical operators, switch vs if-else, fall-through, [[fallthrough]], floating-point compares, and com...