Tag: C++11
55 posts
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C++ std::function vs Function Pointers: Flexibility vs Speed
std::function vs raw function pointers: pointers are faster and smaller; std::function type-erases lambdas with captures and functors. Callback design, ...
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C++ Range-Based For Error | 'no begin function' Compile Error Solution
Everything about C++ Range-Based For Error : from basic concepts to practical applications. Master key content quickly with examples.'no, Introduction: ...
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[2026] C++ auto Type Deduction Errors — Fixing ‘cannot deduce’ and Reference Stripping
Fix C++ auto type deduction issues: why references and const drop, when to use auto& and auto&&, eight common compiler errors, and AAA-style guidelines.
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C++ async & launch | Complete Guide to std::async, future & launch policies
std::async is a C++11 API that executes functions asynchronously and receives results via future. Complete guide to launch::async, launch::deferred poli...
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C++ Atomic Operations | 'Atomic Operations' Guide
C++ std::atomic and how to prevent data races in multithreads using atomic operations. Explains the advantages over mutexes and practical code patterns.
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C++ Attributes | Complete 'Attributes' Guide
How to use C++ attributes (nodiscard, deprecated, etc.) for compiler hints and warnings. Comprehensive guide to commonly used attributes in production w...
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C++ auto Keyword | Type Deduction Complete Guide
Use the C++ auto keyword for type deduction: fewer repeated type names, deduction rules, iterators, lambdas, and pitfalls. Practical guide for modern C++.
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C++ auto Type Deduction | Let the Compiler Handle Complex Types
C++ auto type deduction guide. auto is a C++11 keyword that lets the compiler deduce variable types from initializers. Used to shorten iterators, lambda...
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C++ std::bind | Placeholders and partial application
std::bind is a function introduced in C++11 that creates a new function object by pre-binding a function and its arguments. It is used for partial appli...
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C++ call_once | 'Call Once' Complete Guide
std::call_once is a C++11 function that guarantees a function executes exactly once, even when called from multiple threads. Used with std::once_flag to...
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Modern C++ (C++11~C++20) Core Syntax Cheatsheet | auto·Lambda·Smart Pointers·Concepts at a Glance
Modern C++ C++11~C++20 core syntax cheatsheet. auto, range-for, lambda, smart pointers, optional, variant, Concepts, Ranges copy-paste ready summary for...
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C++ Chrono Detailed Complete Guide | 'Time Library' Guide
std::chrono is a C++11 library that handles time intervals and points in a type-safe manner using duration, time_point, and clock. This guide covers uni...
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C++ Chrono Complete Guide | 'Time' Library Complete Guide
Development blog post summarizing C++ Chrono. #include <chrono> #include <iostream> using namespace std; using namespace chrono;.
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C++ constexpr Functions | Compile-Time Functions Explained
C++ constexpr functions: compile-time and runtime use, C++11 vs C++14 vs C++17, arrays, classes, and optimization. Practical examples and pitfalls.
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C++ constexpr Function | 'Compile-Time Function' Guide
C++ constexpr function constexpr int square(int x) { return x * x; }. Organizes from concept to usage with practical examples and code. Focused on C++, ...
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C++ decltype | Extract Expression Types
decltype vs auto, decltype(auto), trailing return types, SFINAE with decltype, and the decltype(x) vs decltype((x)) pitfall for templates.
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C++ =default and =delete: Special Members, ODR, and Rule of Zero
C++11 =default and =delete: controlling special members, non-copyable types, deleted conversions, heap-only types, Rule of Five vs Rule of Zero, and noe...
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C++ std::distribution | Probability distributions in the random header
Guide to C++11 random distributions: uniform_int, uniform_real, normal, Bernoulli, Poisson, and discrete. Engine pairing, parameter ranges, and thread-s...
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C++ duration | 'Time Interval' Guide
Everything about C++ duration : from basic concepts to practical applications. Master key content quickly with examples.'time, 1. duration basics. Organ...
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C++ enum class | Scoped Enumerations Explained
Strongly typed scoped enums in C++11: no implicit int conversion, explicit underlying types, switch hygiene, and bit flags with constexpr helpers.
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C++ explicit Keyword | 'explicit Keyword' Guide
explicit is a keyword attached to constructors and conversion operators to prevent implicit conversion. Used to prevent unintended conversion in copy in...
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C++ Initializer-List Constructors | `std::initializer_list` Ctors Explained
Constructors taking std::initializer_list enable `{1,2,3}` initialization. They often win overload resolution over `T(int)` for `{}`—design APIs careful...
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C++ std::initializer_list | Brace Lists for Functions and Containers
std::initializer_list (C++11) is a lightweight view over a brace-enclosed list. Used for container init and variadic-like APIs—not a full container; wat...
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C++ inline Namespace: Versioning, API Evolution, and ADL
inline namespace in C++11+: lifting names into the parent namespace, API versioning, ABI notes, and differences from anonymous namespaces.
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[2026] C++ Lambda Capture — Value, Reference, and Init Capture
Lambda capture defines how a C++ lambda accesses outer variables: by value or reference, mixed capture, C++14 init capture, this capture, mutable, and pitfalls.
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C++ Lambdas: Syntax, Captures, mutable, and Generic Lambdas
Complete guide to C++ lambda expressions: capture lists, mutable lambdas, C++14 generic lambdas, STL algorithms, and common pitfalls (dangling captures).
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C++ Move Constructor: rvalue Stealing & noexcept Best Practices
C++ move constructors: rvalue resource transfer, copy vs move, vector and noexcept, self-move, and when not to std::move return locals.
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[2026] C++ Mutex & Lock — Mutual Exclusion, lock_guard, unique_lock, and Deadlock Prevention
C++ mutex and locks: std::mutex, lock_guard, unique_lock, std::lock, scoped_lock, recursive_mutex, timed_mutex, and avoiding deadlocks.
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C++ noexcept Complete Guide | Exception Specifications & Move Optimization
Master C++ noexcept: exception specifications, conditional noexcept, why move operations need noexcept for container optimization, terminate on violatio...
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C++ noexcept Specifier: Contracts, Moves, and std::terminate
C++ noexcept explained: exception contracts, conditional noexcept, move constructors, vector behavior, and the noexcept operator.
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C++ nullptr | 'Null Pointer' Guide
Complete guide to C++11 nullptr: differences from NULL and 0, function overloading, nullptr_t, and migration strategies. Master type-safe null pointers ...
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C++ nullptr vs NULL | Type-Safe Null Pointers
Why C++11 nullptr beats NULL and literal 0: std::nullptr_t, overload resolution, template deduction, and migration tips including clang-tidy modernize-u...
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C++ override & final: Virtual Overrides, Devirtualization, and API Sealing
C++ override and final: catching signature mistakes, sealing classes and virtual functions, devirtualization and performance notes, and practical patter...
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C++ packaged_task | 'Package Task' Guide
std::packaged_task is a C++11 feature that wraps a function or callable object and allows you to receive the result as a std::future. Unlike std::async,...
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C++ std::random_device | Hardware entropy for seeding
How random_device maps to OS entropy, using entropy(), seed_seq for mt19937, UUID and token examples, performance vs mt19937, and platform quirks when e...
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C++ random | Engines, distributions, and replacing rand()
C++11 random: random_device seeding, mt19937, uniform and normal distributions, shuffle, weighted picks, threading, and when to use a cryptographic RNG ...
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C++ random numbers | Complete Guide to the C++11 random library
Why rand() is problematic, how to use random_device, mt19937, and distributions in C++11, with dice simulations, shuffling, weighted picks, seeding, and...
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C++ Range-Based for: auto, References, Temporaries, Structured Bindings — Practical Guide
Range-based for in C++: auto vs auto& vs const auto&, proxy iterators, temporaries, C++17 structured bindings, custom begin/end, and production patterns.
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C++ std::regex | Regular expressions in C++11
Complete guide to C++11 regex: regex_match vs regex_search, regex_replace, capture groups, sregex_iterator, raw strings, performance, ECMAScript syntax,...
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C++ sregex_iterator | Regex iterators for all matches
Use sregex_iterator and sregex_token_iterator to enumerate matches, split tokens, avoid dangling iterators, and handle empty matches and UTF-8 limits wi...
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C++ std::chrono::steady_clock | Monotonic time for benchmarks
Use steady_clock for elapsed time and timeouts: monotonic guarantees vs system_clock, comparison with high_resolution_clock, benchmarking patterns, and ...
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C++ thread_local | Thread-Local Storage (TLS) Complete Guide
C++11 thread_local: per-thread storage, caches, RNGs, initialization, and patterns without shared mutex overhead. Start now.
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C++ time_point | 'Time Points' Guide
C++ std::chrono::time_point represents a point in time on a specific clock. It is used with duration, and the resolution can be changed with time_point_...
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C++ tuple detailed Complete Guide | 'Tuple' guide
C++ tuple: basic usage, structured binding (C++17), principles, code, and practical applications. 실전 예제와 코드로 개념부터 활용까지 정리합니다. C++·tuple·pair 중심으로 설명합니다.
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C++ Tuple Cheat Sheet | std::tuple, tie, and Structured Bindings
std::tuple basics: make_tuple, get, tie, tuple_cat, structured bindings (C++17), and common pitfalls for multi-value returns.
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C++ Uniform Initialization | Braces `{}` Explained
Uniform initialization (C++11) uses `{}` for every type: scalars, arrays, structs, classes, and containers. Narrowing checks, the Most Vexing Parse, and...
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C++ Universal (Forwarding) References Explained
Forwarding references: when T&& or auto&& deduces to bind both lvalues and rvalues, how they differ from rvalue references, and using std::forward corre...
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C++ User-Defined Literals Complete Guide | Custom Suffix Operators
Everything about C++ User-Defined Literals Complete : from basic concepts to practical applications. Master key content quickly with examples.hello_s,...
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C++ Value Initialization | Empty `{}` and `()`
Value initialization uses empty () or {}. Scalars become zero-like; classes call the default constructor. Differs from default initialization for locals; compares with zero initialization.
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C++ Variadic Templates | Complete Guide to Parameter Packs
Learn C++ variadic templates: typename...Args, pack expansion, sizeof..., fold expressions, and recursive patterns—with examples for generic printf, tup...
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C++ async & launch | 'Asynchronous Execution' Guide
Everything about C++ async & launch : from basic concepts to practical applications. Master key content quickly with examples.
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C++ auto Type Deduction | Let the Compiler Handle Complex Types
C++ auto keyword and type deduction. Using auto with iterators, lambdas, and template return types, along with deduction rules and caveats.
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C++ duration | 'Time Interval' Guide
Everything about C++ duration : from basic concepts to practical applications. Master key content quickly with examples.
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C++ explicit Keyword | 'explicit Keyword' Guide
C++ explicit. Preventing implicit conversions, constructors, and conversion operators. Start now.
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What Is C++? History, Standards (C++11–23), Use Cases, and How to Start
C++ overview for beginners: evolution from C, C++11/17/20/23, game/systems/finance use cases, pros and cons, myths, learning roadmap, and production pat...