HTTP Libcurl in Action

libcurl (the multiprotocol file transfer library) Download API Howto Other HTTP/FTP client Libraries for C/C++ Beast (Boost) wget (GPL) The...

Sep 8, 2020 TCP/IP

TCP/IP in Action

TCP 状态变化 TCP 核心思想：带重传的累积正向应答正确使用 TCP/IP 首要原则：别添乱 IPv4 Header TCP Header Network address DataStruct sockaddr_in hostent addrinfo Options (socket) Inter...

Sep 8, 2020 TCP/IP

CPP Data Structure

Circular buffer / Ring buffer (环形队列缓存) False sharing (伪共享) 平衡二叉树（AVL）为什么要有平衡二叉树平衡因子节点定义 B树 B+树红黑树 Trie 树 (前缀树 / 字典树) 堆（数组实现）堆的定义堆的数...

Sep 7, 2020 C/C++

Regular Expressions in Action

Matching IPv4 Addresses Matching IPv4 Addresses # Simple regex to check for an IP address ^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$ # Accurate regex to check for an IP address ^(?:(?:25[0-5]|2[0-4][0-9]|...

Aug 7, 2020 编程语言

CPP Effective

Effective C++ - Accustoming Yourself to C++ 1 构造函数的explicit 2 对象的复制 3 命名习惯 4 TR1和Boost 5 视C++为一个语言联邦 5.1 C 5.2 Object-Oriented C++ ...

Jul 13, 2020 C/C++

318川藏线自驾游

行程安排启程，6.19晚，深圳宝安机场-成都双流机场 D1: 6.20，成都-雅安-泸定-海螺沟，278公里 D2: 6.21，海螺沟冰川国家公园-康定-折多山-新都桥，174公里 D3: 6.22，新都桥-理塘-巴塘，364公里 D4: 6.23，巴塘-芒康-左贡-八宿，454公里 D5: 6.24，八宿-然乌湖-波密，374公里 D6: 6.25，波密-通麦...

Jun 19, 2020 杂记

CPP Floating-point Precision Issue

浮点数存储格式浮点数计算精度问题 C++ PHP Java 浮点数存储格式浮点数的存储格式可参考：Single-precision floating-point format 32 bits，Double-precision floating-point format 64 bits 单精度浮点型float，通...

May 31, 2020 C/C++

CPP Variable Argument Functions

stdarg 变参实现原理 Example 1 Example 2 Example 3 Example 4 stdarg 用法总结问题示例 GNU libc printf 源码 C++11 Variadic Templates 在变参函数中传递变参参数 Variadic Macros (可变参宏) Refer ...

May 28, 2020 C/C++

CPP Trick

Statements and Declarations in Expressions likely/unlikely C++ style cast from unsigned char * to const char * C++ static member functions and variables How can I pass a class member functi...