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2026년 3월 30일 15 min read

[2026] C++ Aggregate Initialization | Braces for Structs and Arrays

Aggregates are structs and arrays that meet standard rules; braces initialize members directly. C++20 designated initializers, contrasts with default/va...
2026년 3월 30일 16 min read

[2026] C++ Copy Algorithms: std::copy, copy_if, copy_n & move

Copy and move ranges safely with std::copy, copy_if, copy_n, copy_backward, and remove_copy; output iterators, overlap rules, and performance vs memcpy.
2026년 3월 30일 16 min read

[2026] C++ Partition Algorithms: partition, stable_partition & partition_point

Split ranges with std::partition and stable_partition; find boundaries with partition_point and is_partitioned — quicksort ties, binary search, and stab...
2026년 3월 30일 16 min read

[2026] C++ any | Type Erasing Guide

A guide that summarizes std::any and variant·void* comparison, type safety, any_cast, practical examples, and performance overhead.
2026년 3월 30일 16 min read

[2026] C++ bitset | 'Bit Set" Guide

This is a bitset guide that summarizes the basics of bit operations, bitset vs vector<bool>, masking, permutation, and combination patterns, and perform...
2026년 3월 30일 22 min read

[2026] C++ Memory Leak Debugging Case Study | Fixing a Production Server Memory Spike

A real production C++ server memory leak: tracing and fixing it with Valgrind, ASan, and Heaptrack—from symptoms and root cause to fixes and prevention.
2026년 3월 30일 25 min read

[2026] C++ Performance Optimization Case Study | 200ms API Latency Cut to 20ms

How we improved a C++ REST API latency by 10×: profiling with perf, algorithm fixes, memory optimizations, and parallel JSON serialization—end to end.
2026년 3월 30일 24 min read

[2026] C++ Crash Debugging Case Study | Fixing an Intermittent Segmentation Fault

Production C++ server: intermittent segfaults traced with core dumps, gdb, and rr—how to debug “cannot reproduce” crashes and data races.
2026년 3월 30일 14 min read

[2026] C++ Constant Initialization | `constexpr`, `constinit`, and Static Order

Constant initialization in C++: compile-time fixed values, `constexpr` vs `constinit`, static initialization order, and how to avoid the static initiali...
2026년 3월 30일 14 min read

[2026] C++ Copy Initialization | The `= expr` Form

Copy initialization uses `T x = expr`. Differs from direct and list initialization; explicit constructors excluded; RVO and elision often remove actual ...