2023-2024-1 20232803 “Linux Kernel Principles and Analysis” Seventh Week Assignment

Directory Experiment 6-Analysis of the process of creating a new process in the Linux kernel 1. Prerequisite knowledge 1.1 Read and understand task_struct data structure 1.2 Analyze the kernel processing process sys_clone corresponding to the fork function, and understand how to create and modify the task_struct data structure when creating a new process 2. Environment […]

PTA Python Assignment 6

Table of Contents True or False Multiple choice questions Programming questions 7-1 Count the number of people who failed in a group of results 7-2 Statistical score ratio 7-3 Word frequency statistics 7-4 Analyze event voting results True or False Question 1-1 Python dictionaries and sets are unordered containers. (T) 1-2 The operator “-” can […]

Detailed restoration of one of the reasons why Elasticsearch cluster sharding appears unassigned

Personal homepage: IT Pindao_Big data OLAP system technology stack, Apache Doris, Clickhouse technology-CSDN blog Private chat with bloggers: Join the big data technology discussion group chat to get more big data information. Blogger’s personal B stack address: Brother Bao teaches you about big data’s personal space – Brother Bao teaches you about big data personal […]

C++ assignment operation overloading, const member, address taking and const address taking operator overloading

C++ assignment operation overloading, const member, address taking and const address taking operator overloading 1. Assignment operator overloading 1.1 Operator overloading 1.2 Assignment operator overloading 1.3 Prefix + + /– and postfix + + /– overloading 2. const members 3. Address retrieval and const address retrieval operator overloading Column: C “Gaga” System Learning > Blogger […]

20233808 “Analysis and Design of Linux Kernel Principles” Seventh Week Assignment

1. Textbook study and dialogue with chatgpt https://chat.openai.com/share/9199ce74-bef5-4e82-b301-3f44a6d07e2b 2. Laboratory building task_struct structure task_struct is used to represent the status and related information of each process or thread. It contains a large number of fields for tracking and managing various attributes of the process, such as process ID, parent process ID, scheduling information, signal handling, […]

2023-2024-1 20232825 “Linux Kernel Principles and Analysis” Seventh Week Assignment

1. task_struct data structure In the Linux kernel, processes are managed through a task_struct structure called a process descriptor. This structure contains all the information required by a process. It is defined in the linux-3.18.6/include/linux/sched.h file. The data structure of struct task_struct is very large. The state of struct task_struct is the process state, stack […]

Embedded assignment ten (DMA-based serial communication)

Article Directory Table of Contents Article directory 1. Interruption method 1. Establish the project 2. Code writing 3. Operation effect 2. DMA method 1. Establish the project 2. Code writing 3. Operation effect Reference links: 1. Interruption method 1. Create project For new projects, please refer to: Embedded Assignment 8 (Use Cube to implement the […]

Mobile Development Technology Assignment 2: Jumping between App pages: Have you practiced today?

Table of Contents APP name: Have you practiced today? APP version: v2.0 1. Overall introduction of the project 2. Key steps and core technologies 1. Text box settings: text_border.xml 2. Intermediate content design update: 2.1 Heat meter: list.xml 2.2 Used to implement the view after item jump page: chest.xml 3. Intermediate content class: Fragment class […]

Harbin Institute of Technology Database Assignment 2–SQL

Assignment content In the relational algebra operator RelaX (https://nireas.iee.ihu.gr/relax/calc.htm), select the data set “Database Systems The Complete Book – Excercise 2.4.3”, according to the data set in the Create a relational database on DBMS and complete operations with SQL. The database contains 4 relationships: Classes(class, type, country, numGuns, bore, displacement) The relationship Classes records ship […]