C++问题解决之道：从入门到高级

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"C++ Recipes: A Problem-Solution Approach" 是一本专门针对C++编程的实用指南，旨在帮助读者解决实际问题并掌握最新C++语言特性。这本书结构清晰，分为多个章节，覆盖了C++编程的基础到高级主题。 1. **开始篇：** "Chapter 1: Beginning C++" 介绍了C++语言的基础，包括语法、数据类型和基本操作，为初学者提供了扎实的入门知识。这部分内容对于想要学习C++语言的人来说至关重要，是理解和构建后续项目的基础。 2. **现代C++进阶：** "Chapter 2: Modern C++" 集中于C++的最新发展，如C++11、C++14和C++17等版本的特性，如lambda表达式、range-based for循环和智能指针等。这部分内容对于保持与语言发展趋势同步的开发者来说十分关键。 3. **文本处理与数据操作：** "Chapter 3: Working with Text" 和 "Chapter 4: Working with Numbers" 分别讨论了字符串处理和数值计算的相关技巧，包括输入输出流、正则表达式以及数值算法等，这对于处理文本和数值数据的任务尤其有用。 4. **面向对象编程：** "Chapter 5: Classes" 介绍类和对象的概念，以及封装、继承和多态等面向对象编程的核心概念，帮助读者构建复杂的软件系统。 5. **继承与多态性：** "Chapter 6: Inheritance" 深入探讨继承关系，如何通过继承重用代码和创建类层次结构，是设计面向对象程序的重要组成部分。 6. **STL容器与算法：** "Chapter 7: The STL Containers" 和 "Chapter 8: The STL Algorithms" 强调了Standard Template Library (STL) 的使用，STL提供了一套强大的数据结构和算法，有助于提高代码的效率和可读性。 7. **模板技术：** "Chapter 9: Templates" 探讨了模板，这是C++的一个强大特性，允许编写通用代码，适用于多种数据类型，大大提升了代码的灵活性。 8. **内存管理：** "Chapter 10: Memory" 讲解内存分配、释放和管理，以及避免内存泄漏和优化性能的技术，这对于高效地使用C++内存模型至关重要。 9. **并发编程：** "Chapter 11: Concurrency" 介绍多线程编程和并发控制，涵盖了C++11后对并发支持的增强，让开发者能够利用现代硬件的并行能力。 10. **网络编程：** "Chapter 12: Networking" 着重讲解网络编程基础知识，如套接字编程、网络协议和网络通信，这对于开发网络应用非常实用。 11. **脚本集成与扩展：** "Chapter 13: Scripting" 讨论了如何将C++与脚本语言（如Python或JavaScript）集成，提供更灵活的应用编程接口。 12. **3D图形编程：** "Chapter 14: 3D Graphics Programming" 提供了与图形库（如OpenGL或DirectX）集成的知识，适合游戏开发或其他图形密集型应用。这本书不仅包含了丰富的实践案例，还有对C++语言持续发展的关注，使读者能够在不断变化的技术环境中保持竞争力。通过解决问题的方法，读者可以快速掌握C++的最新特性和最佳实践，提升编程技能。

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CHAPTER 1 ■ BEGINNING C++

continue

The continue command is used to resume code execution after it has been

halted at a breakpoint.

until

The until command can continue execution from a loop and stop on the first

line immediately after the loop execution has finished.

info

The info command can be used with either the locals command or the

stack command to show information about the current local variables or

stack state in the program.

help

You can type help followed by any command to have GDB give you

information about all of the different ways that a given command can be used.

The GDB debugger can also be run with the command –tui. This will give you a view of the source file

you are currently debugging at the top of the window. You can see how this looks in Figure 1-11.

Figure 1-11. GDB with a Source Window

CHAPTER 1 ■ BEGINNING C++

Listing 1-4. Building with C++14

HelloWorld: HelloWorld.cpp

clang++ -std=c++1y HelloWorld.cpp -o HelloWorld

The makefile in Listing 1-4 shows how you can specify that Clang should build your source file using

C++14. This example was written using Clang 3.5 that uses the c++1y command to represent C++14.

Listing 1-5 shows how you can build a program using C++11.

Listing 1-5. Building with C++11

HelloWorld: HelloWorld.cpp

clang++ -std=c++11 HelloWorld.cpp -o HelloWorld

In Listing1-5 you want to use the c++11 option with the std switch to build with C++11. Finally,

Listing 1-6 shows how to configure Clang to explicitly build with C++98.

Listing 1-6. Building with C++98

HelloWorld: HelloWorld.cpp

clang++ -std=c++98 HelloWorld.cpp -o HelloWorld

The makefile in Listing 1-6 can be used to explicitly build with C++98. You can achieve the same result

by leaving out the std command altogether and Clang will build using C++98 by default.

Note ■ It’s not guaranteed that every compiler will use C++98 by default. Check with your compiler’s

documentation if you’re unsure which standard is the default. You can also be adventurous with Clang and

enable its experimental C++17 support using the c++1z option!

Recipe 1-9. Building with the Boost Library

Problem

You would like to write a program using the Boost library.

Solution

Boost is supplied as source code that can be included with and compiled into your application.

How It Works

Boost is a large C++ library that includes all sorts of great functionality. Coverage of the entire library is out of

the scope of this book; however the string formatting library will be used. You can acquire the Boost library

from the Boost website at http://www.boost.org/.

You will be able to get a compressed folder from the Boost website that contains the latest version of the

Boost library. The only folder you absolutely need to be able to include basic boost functionality is the boost

folder itself. I have downloaded Boost 1.55 and therefore I have created a folder inside my project folder

named boost_1_55_0 and copied the boost folder into this location from the downloaded version.

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C++问题解决之道：从入门到高级

C++ Recipes(Apress,2015)

cloc --include-lang=C,C++,"C/C++ Header" --fullpath --by-file --json -out cloc.json ./aaa怎么排除某个文件

c++-----2的-N次方高精度计算

microsoft visual c++ 2010 x86 runtime -10.0.3.30319

cloc --include-lang=C,C++,"C/C++ Header" --fullpath --by-file --json -out cloc.json ./aaa怎么排除./aaa/bbb/c文件

c++error: type-id cannot have a name

qt 微软Visual c++运行库 --------------------------- 调试错误! 解决

C++编程计算1-1/2！+1/3！

--> g++ -march=native -O3 -Wpedantic -Wall -Wextra -Wsign-conversion -Wconversion -std=c++20 -Isrc -IuSockets/src -flto examples/Http3Server.cpp uSockets/*.o -lz -o Http3Server g++: error: unrecognized command line option ‘-std=c++20’; did you mean ‘-st

h - c/c++训练1---最大公约数与最小公倍数

./configure --prefix=/usr/local/gcc-10.2.0--enable-checking=release --enable-languages=c,c++ --disable-multilib

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c语言、编写一个程序，可以将百分制转为对应等级， 90~100----A+++++80~89----B++++70~79----C++60~69----D

g++ main.cpp -o test_det -std=c++11 `pkg-config --cflags --libs opencv`

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