Blog
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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 Adaptors | Pipeline Composition in C++20
C++20 range adaptors: filter, transform, pipe syntax, lazy views, custom adaptors, and lifetime—how they relate to std::views.
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C++ Rvalue vs Lvalue: A Practical Complete Guide to Value Categories
Learn C++ lvalues and rvalues: value categories, references, move semantics, and std::move—with examples for overload resolution and fewer unnecessary c...
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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...
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C++ Development Environment Setup: From Compiler Install to Hello World
Start C++ on Windows, macOS, or Linux: install Visual Studio (MSVC), MinGW (GCC), or Xcode (Clang), then write, compile, and run Hello World with clear ...
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VS Code C++ Setup: IntelliSense, Build Tasks, and Debugging
Configure Visual Studio Code for C++: c_cpp_properties.json for IntelliSense, tasks.json for builds, launch.json for gdb/lldb debugging, plus CMake inte...
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CMake Tutorial for C++: CMakeLists.txt, Targets, and Cross-Platform Builds
Learn CMake for C++ projects: CMakeLists.txt, add_executable, add_library, target_link_libraries, find_package, out-of-source builds, VS Code CMake Tool...
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C++ vector Basics | Initialization, Operations, Capacity, and Patterns
std::vector crash from vec[10] with size 3: at() vs [], reserve vs resize, erase-remove, iterator invalidation, emplace_back, and production buffer patt...
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C++ STL Algorithms Basics | sort, find, count, transform, accumulate
Replace hand-written loops with std::sort, find, find_if, count_if, transform, accumulate—iterator ranges, erase-remove, lower_bound on sorted data, and...
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C++ Profiling | Finding Bottlenecks with perf and gprof When You Don’t Know What’s Slow
Measure before you optimize: C++ profiling with Linux perf, gprof, flame graphs, std::chrono, and Valgrind. Fix bottlenecks with data, not guesses—CPU s...