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Reprinted from: Many friends can't distinguish between "byte order" and "bit order"~ Many friends can't distinguish between "byte order" and "bit order"~ yesterday The following article comes from the last bug, the author bug bacteria 1. Parse byte order        1) In fact, man ...

C + + language level multi-threaded programming code can cross platform windows/linux/mac Introduction to C + + multithreading thread(Thread class) mutex(mutex ) condition_variable(Communication between threads, condition variables) Smart lock: lock_quard unique_lock atomic Atomic type based on CAS The atomic type of the operation is thread ...

C + + container General characteristics A basic feature of all containers is that it holds elements in "value" semantics. That is, the container stores copies and copies of elements, not references. Cost: high overhead and reduced performance. resolvent: 1. Try to implement transfer construction and transfer assignment function ...

https://codeforces.com/contest/1569/problem/C Meaning: n numbers. Every time it passes through a number, it will be - 1. If no number is continuously reduced twice when all numbers are reduced, such a sequence is called a good sequence. Find the number of all good sequences. The answer is mod998244353 Solution: We can find that no matter wh ...

Process communication - mmap file memory mapping #include <sys/mman.h> void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset); int munmap(void *addr, size_t length); PROT_EXEC //Pages may be executed. PROT_READ // Pages may be read. PROT_WRITE // Pages may be written. PROT_NONE // Pages may n ...

Chapter 15 object oriented programming 15.1 OOP: Overview The core idea of Object-Oriented Programming is: Data abstraction (Chapter 7)inheritDynamic binding (1) Inherit Base class: Quote, which means books sold at original price. Derived class: Bulk_quote, which means books that can be sold at a discount. These classes will contain ...

Process oriented object-oriented Development of C + + language In 1979, Benjamin straw, the father of C + +, developed C with class c language with classes C language is a subset of C + + language. C + + language is an extension of C language C + + was officially named in 1983 In 1985, CFront1.0 was the first commercial C + + compiler 1987 ...

1, Miscellaneous words As a programming enthusiast, you may not be too optimistic about the standard static desktop. You may be amazed at the effect of WallpaperEngine. You may also want to make a personalized desktop beautification program. First, you should start with dynamic wallpaper. It was originally studied from the existing program, but ...

Trial division    prime number refers to a natural number that has no other factors except 1 and itself among natural numbers greater than 1. If a number z z If z is a non prime number, there is x ...

0. What is "algorithm": The < algorithm > header file defines a set of functions designed to be used on ranges of elements. The so-called "element range" refers to the sequence of objects that can be accessed through iterators or pointers, such as arrays or some SLT containers. Note that the algorithm in < algorit ...