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  • C++ those things
    • blockbuster project
    • About the author
    • Project operation
      • Method 1: vscode + bazel
      • Method 2: docker
      • Method 3: g++
    • Video to learn this project
    • Feishu Knowledge Base
    • Basic advanced
    • Practical series
      • 10 days of training
      • Key practical exercises
    • C++2.0 new features
      • Overview
      • C++11 new features
      • C++14/17/20
    • design pattern
    • STL source code analysis
    • Concurrent programming
      • C++ Concurrency in Action
      • Multithreading and multiprocessing
        • Threading In C++
    • C++ idioms
      • What is your favorite C++ programming style idiom?
    • study courses
      • Geek Time "30 Practical Lectures on Modern C++"
    • Tools
      • Container quick output tool
      • Simple output like Python (Jupyter Notebook)
      • Observe changes in the compilation process
      • Debug tool dbg-macro for C++
      • Debug tool rr on Linux - the ability to go back in time
    • Extension part
      • some questions
    • Contributor

C++ those things

Thank you for your support of "Those Things About C++". The content is now synchronized to Station B and displayed in the form of a video. You can open the website to read it directly~ Welcome everyone to star, repost, and PR.

Online personal blog: Guangcheng’s Laboratory

Online learning website: C++ things

  • Chinese name: C++ Those Things
  • English name: Stories About C Plus Plus

This is a warehouse suitable for beginners from entry to advanced , solving the problems of interviewers and learners who want to go deep into C++ and how to get into C++ . In addition, this repository expands knowledge on more in-depth source code analysis, multi-thread concurrency, etc. It is a relatively comprehensive repository for C++ learning from entry to advanced.

blockbuster project

Launch a series of blockbuster projects to help everyone learn C++ in practice. Cooperate with this open source project to learn and grow rapidly!

Direct point: click here

About the author

The public account has opened two entrances, namely the album and the menu. You can read the content of "Those Things About C++" directly on the WeChat public account. It will be very cool with the code of the warehouse. It is recommended that everyone pay attention.

Personal public account: guangcity

Or scan the QR code below to welcome everyone's feedback and C++ exchanges. I have created a C++ exchange group on WeChat, a high-quality C++ resource exchange area. I hope everyone will pay attention to the above official account. Click on the lower right corner of the official account -> Contact me. Pull you into the group.

follow me

If you think it’s good, follow me~


planet
WeChat public account

Project operation

Method 1: vscode + bazel

Method 2: docker

Newly launched development-free environment, docker environment, you can pull the following image: 

 docker pull xingfranics/cplusplusthings:latest

Method 3: g++

Video to learn this project

The first issue: Step By Step to start compiling this project

Phase 2: Docker-free development environment

The third issue: Read HashTable step by step and thoroughly understand C++ STL

Issue 4: Read enable_shared_from_this of STL step by step

Issue 5: Read STL threads step by step, from C++11 thread to C++20 jthread

Issue 6: Read STL step by step: condition_variable, condition_variable_any

Issue 7: Read STL’s Mutex step by step

Issue 8: Read STL’s RAII Lock step by step

Feishu Knowledge Base

Interview records of major Internet companies

Essential interviews to get an offer

Basic advanced

  • const things
  • static things
  • this things
  • inline those things
  • sizeof those things
  • Function pointer stuff
  • Things like pure virtual functions and abstract classes
  • vptr_vtable things
  • virtual things
  • volatile things
  • assert those things
  • Things about bit fields
  • extern things
  • struct those things
  • Things like struct and class
  • union those things
  • c implements c++ polymorphism
  • explicit those things
  • Those things about friend
  • using those things
  • :: those things
  • enum those things
  • decltype those things
  • References and pointers
  • macro things

Practical series

10 days of training

  • day1-basic grammar

  • day2-recursion, structures, enumerations, static variables, etc.

  • day3-function 1

  • day4-function 2

  • day5-inheritance polymorphism

  • day6-virtual functions and abstract classes

  • day7-operator overloading

  • day8-templates and STL

  • day9-Exception

  • day10-Files and streams

Key practical exercises

  • Square bracket overloading.cpp

  • Clock++ operator overloading.cpp

  • Operator overloading cast.cpp

  • Clock overloading parentheses.cpp

  • function template.cpp

  • dynamic array.cpp

  • Dictionary insertion and search.cpp

  • Exception catching.cpp

  • Class template stack.cpp

  • Class template specialization array.cpp

  • Inheritance and encapsulation.cpp

  • Comprehensive questions on reading and writing files.cpp

  • Input and output operator overloading.cpp

  • Input and output overload.cpp

  • Output format.cpp

C++2.0 new features

Overview

C++2.0 is an abbreviation, meaning "Modern C++", including C++11/14/17/20.

C++11 new features

  • Variadic Templates

  • Spaces in Template Expressions 

    vector<list< int > > // ok in each C++ version
vector<list< int >> // before c++ 11 error error: ‘>>’ should be ‘> >’ within a nested template argument list,c++11后可以正常通过

  • nullptr and nullptr_t

  • Automatic Type Deduction with auto

  • Uniform Initialization

  • initializer_list

  • explicit for actors taking more than one argument

  • range-based for statement 

     for (decl:col) {
    statement
}

  • =default,=delete

    If you define a ctor by yourself, the compiler will not give you a default ctor . If you force =default , you can regain and use default ctor .

  • Alias(pseudonym) Template (template typedef)

    • alias.cpp
    • template_template.cpp

  • template template parameter

  • type alias

  • noexcept

  • override

  • final

  • decltype

  • lambda

  • Rvalue reference

  • move aware class

  • Containers-Structure and Classification

    • (1) Sequential containers include: array (newly introduced in C++2.0), vector , deque , list , forward_list (newly introduced in C++2.0)
    • (2) Associative containers include: set/multiset , map/multimap
    • (3) Unordered containers (newly introduced in C++2.0, replacing the original hash_xxx with unordered_xxx ) include: unordered_map/unordered_multimap,unordered_set/unordered_multiset

  • Hash Function

  • tuple

    Learning materials: https://www.bilibili.com/video/av51863195?from=search&seid=3610634846288253061

C++14/17/20

To be updated...

design pattern

  • Singleton pattern
  • prosumer model

STL source code analysis

STL source code analysis: gcc 4.9.1

  • array
  • deque
  • queue and stack
  • list
  • vector
  • typename
  • traits
  • iterator
  • Talk about EBO optimization of STL design
  • rb_tree
  • set and multiset
  • map and multimap
  • hashtable
  • myhashtable
  • unordered_map

Concurrent programming

C++ Concurrency in Action

  • Chapter 1
  • Chapter 2

Learning materials: https://downdemo.gitbook.io/cpp-concurrency-in-action-2ed/

Multithreading and multiprocessing

Threading In C++
  • introduce
  • Five types of thread creation
  • Join and Detachs
  • mutex in C++ Threading

Learned from:

https://www.youtube.com/watch?v=eZ8yKZo-PGw&list=PLk6CEY9XxSIAeK-EAh3hB4fgNvYkYmghp&index=4

C++ idioms

What is your favorite C++ programming style idiom?
  • 1. Class initialization list
  • 2. Enumeration class replaces namespace
  • 3.RAII (resource acquisition is initialization)
  • 4.copy and swap
  • 5.pImpl (pointer points to specific implementation)

study courses

Geek Time "30 Practical Lectures on Modern C++"

  • Heap, stack, RAII: How to manage resources in C++?
    • heap
    • stack
    • RAII
  • Do it yourself and implement smart pointers in C++
    • auto_ptr, scope_ptr
    • unique_ptr
    • shared_ptr
  • What problem do rvalues ​​and moves solve?
    • lvalue and rvalue
    • Extend the warranty period
    • Reference folding
    • Perfect forwarding
    • Do not return references to local variables
  • Container 1
  • Container 2
  • abnormal
  • Literals, static assertions, and member function specifiers
  • Should the object be returned?
  • Compile-time polymorphism: An introduction to generic programming and templates
  • What can be done during the translation period? A complete computing world
  • SFINAE: What is the reason for the replacement failure that is not an error?
  • constexpr: a normal world
  • Function objects and lambdas: Entering functional programming
  • Memory models and atomic: understanding the complexities of concurrency

Tools

Container quick output tool

Teacher Wu’s code has been modified, click here to access the code directly

enter: 

map< int , int > mp{
            { 1 , 1 },
            { 2 , 4 },
            { 3 , 9 }};
    cout << mp << endl;

The output shows: 

{ 1 => 1 , 2 => 4 , 3 => 9 }

Simple output like Python (Jupyter Notebook)

  • Play C/C++ like Python

Observe changes in the compilation process

  • https://cppinsights.io

Debug tool dbg-macro for C++

  • Debug tool dbg-macro for C++

Debug tool rr on Linux - the ability to go back in time

  • Use rr for debugging

Extension part

some questions

  • How to convert string type to int type in C++?

Contributor

Contributor address
Guangcheng https://github.com/Light-City
ChungZH https://github.com/ChungZH
xliu79 https://github.com/xliu79
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