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嗡嗡的草稿倉庫
  • ✏️嗡嗡的草稿倉庫
  • Bash Script
    • do command in bash string
    • eval
    • set
    • Bash 檔案處理
      • ls show full path
      • show file last modified time
      • rename by adding prefix
      • rename by remove prefix
    • Bash MISC (實用腳本)
      • bash return value
      • try catch in bash
  • Linux
    • terminal 顏色輸出
    • Linux errno
    • 2>&1
    • auto complete
    • Clifford's device / if(0)
    • pushd, popd (cd 進階)
    • 終端機操作
      • tmux
        • rename pane
        • tmux default bind-key
        • clear scrollback buffer
        • tmux 滑鼠控制
        • search word in tmux
      • 當前程序 -> 背景執行/還原
  • C++
    • C++ 一些觀念
      • C++ pointer
      • C++ 一些潛規則 (命名...)
      • call by value, call by address, call by reference
    • C++ 條件處理
      • switch case
      • std::sort
      • C++ long options / get opt
    • C++ 字串處理
      • C++ stringstream
      • strchr (find char)
      • int to string
      • stoi (string to int)
      • char replace c
      • strtok (split)
      • memcpy (substring)
      • string / string.h / cstring
    • C++ 檔案讀取
      • istream
      • C++ unlink
      • dirent.h
      • c++ get file list
    • C++ const
      • C++ const reference
    • C++ container
      • unordered_map
      • set, map, vector
      • hash
      • std::vector
        • print vector element c++
        • resize
        • push_back in memory
        • push_back struct
      • std::array
      • move insertable
      • std::queue
    • C++ struct / class
      • C++ explicit
      • C++ struct
      • C++ class
        • c++ new class instance
        • 繼承
        • class constructor
        • Friend Class
      • C++ static
    • C++ scope
    • C++ function
      • C++ function call by reference
    • C++ debug
      • C++ 各種 printf
      • __PRETTY_FUNCTION__, __FUNCTION__
      • C++ raise exception
    • C++ multithread / mutex
      • C++ inotify
      • std::condition_variable
      • std::mutex
        • std::lock_guard
        • std::unique_lock
          • std::condition_variable::wait
      • multithread issue
      • std::cv_status
    • C++ 記憶體管理 (stack/heap)
      • data alignment
        • 記憶體對齊
      • memset, malloc
      • new, delete, malloc, free
      • 4 byte alignment char*
      • new char memory
      • C++ stack / heap
      • byte alignment continuous
    • Modern C++
      • translation unit
      • rvalue / lvalue
      • move constructors
      • The rule of five c++ (move constructor)
      • constexper
      • C++ name requirements (literal type)
      • Perfect forwarding
      • Move semantics
      • pimpl five rules
      • C++ smart pointer
        • make_unique custom deleter
        • pimpl unique_ptr
        • std::forward
        • unique_ptr to char*
        • get smart pointer address
        • std unique_ptr
    • C++ template
      • C++ typename dance
      • template c++ with decltype
      • c++ dependent type
      • C++ template sfinae
    • C++ clang-tidy
    • C++ Learning resource
      • C++ Standard
    • C++ atomic
    • C++ test
      • gtest
    • C++ MISC
      • Marco __FILE__, __FUNC__
      • C bool
      • nullptr address?
      • char* from void*
      • c++ using
      • c++ namespaces
        • empty namespace
      • int8_t、int16_t、int32_t、int64_t、uint8_t、size_t、ssize_t
      • cout int8_t
      • ASCII table '\0'
      • down with typename
      • copy elision / Return value optimization (RVO)
      • C++ goto
      • serialize / deserialize
    • C++ library
      • C++ json
      • C++ OpenCV
  • Python
    • Python Unit test
    • Python 格式化
    • Python PyQt5
    • Python subprocess
      • subprocess.Popen / os.system
      • subprocess
    • Python 檔案處理
      • python file open
      • 移動資料夾 (cd)
      • 移動檔案 move file python
    • Python test
    • Python 字串處理
      • Python strip(), lstrip(), rstrip()
      • string split
    • Python packages
      • Numpy
      • Python Json
      • Python YAML
        • parse yaml
    • Python class
      • super.__init__()
      • python class template
      • Python derived class example
      • python wrapper
      • python getter, setter
    • python 安裝 / 環境管理
      • 內建 venv (前身 virtualenv)
      • mac install python
      • pyenv
      • conda (anaconda/miniconda)
      • docker
      • install python 3.9 on ubuntu
    • 螢幕自動控制開發
      • tesseract
    • Python flask
    • Python dict
    • Python MISC
      • argparse no args flag
      • Python pretty table
      • python 網頁爬蟲 / 自動搶票
      • no module named
      • __init__.py
      • time
  • Machine Learning (ML)
    • MAE, MSE, RMSE
    • trade-off
    • quantize model
    • model type
    • float16
  • Git
    • git mv (git rename)
    • git add
    • git pull
    • git reset
    • git checkout
    • git commit
    • git push
    • git MISC
      • License
      • git blame
      • git diff
  • VSCode
    • VScode fomatter
    • vscode diff
    • VSCode 模糊搜尋 (Regular expression)
    • vscode find another bracket
    • vscode search file
    • C++ can not found definition
  • Design Pattern
    • Page 1
  • Functional programming
  • WordPress
    • scrollable sidebar
  • 加密貨幣
    • 入場
      • 盈虧比
      • 左側 / 右側交易
    • 技術分析
      • 個人常用
        • 最高(低)點 上下移
        • 支撐 / 阻力 / 趨勢線
          • 箱型理論
          • 斐波那契回調(反彈)線
          • 上升通道 / 上升趨勢
            • W底
          • 三角分析
          • 跌破 / 漲破趨勢線
        • 量能
      • 常見指標
        • MA, KD, MACD 黃金交叉/死亡交叉
        • RSI
        • BIAS (乖離率)
        • Bool (布林通道)
      • 其他指標
        • 刺透型態
        • 牛旗 / 熊旗
        • 道氏理論 (123法則)
        • KDJ
        • 頭肩頂 / 頭肩底
        • 看漲吞沒 / 看跌吞沒
        • SVP
        • 頂背離 / 底背離
        • 強止跌/漲訊號
        • OBV (On Balance Volume)
        • 江恩模型
      • MISC
    • 避險
      • 倉位控制
      • 止損
      • 雙向持倉 (對沖)
      • 冷錢包
    • 合約
      • U本位 / 幣本位
    • 嚴守交易守則
      • 馬太效應
      • 謹記失敗原因
  • 省思&雜記
    • anydesk TCP tunnel disabled (can not use)
    • telegram error
    • 財富自由目標參考
  • 嗡嗡的隨手筆記 (整理完放此)
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  1. C++
  2. C++ MISC

copy elision / Return value optimization (RVO)

Previousdown with typenameNextC++ goto

Last updated 2 years ago

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https://en.cppreference.com/w/cpp/language/copy_elision
https://zh.wikipedia.org/zh-tw/%E5%A4%8D%E5%88%B6%E7%9C%81%E7%95%A5