Cache cache (car cleaning)

When I first came into contact with Cache, it was in WebForm. When I first came into contact with Cache, I never forgot that cache was the Pinyin for car cleaning. Client Browser Cache https://blog.csdn.net/y874961524/article/details/61419716 CDN Caching Principle https://www.cnblogs.com/shijingxiang/articles/5179032.html Aliyun CDN Open Set ...

Posted on Sat, 21 Sep 2019 07:43:45 -0700 by notsleepy

mybatis basic xml configuration

If the article is wrong, please comment downstairs, thank you for your positive correction! Learn together and become a big man! mybatis: 1. lightweight 2. Advanced mapping (mapping between entity classes and database table fields) allows you to manipulate entity classes in subsequent development without paying attention to the database. (In fa ...

Posted on Sat, 21 Sep 2019 00:41:32 -0700 by pramodv

Knative Actual Warfare: Three Steps! Implementation of a Short Web Site Service Based on Knative Serverless Technology

Short web sites, as the name implies, use shorter ones instead of longer ones. Wikipedia's explanation is as follows: Short URLs, also known as shortening URLs, shortening URLs and so on, refer to a technology and service on the Internet, which can provide a very short URLs to replace the original may be longer URLs, shortening the long URLs. ...

Posted on Fri, 20 Sep 2019 02:57:40 -0700 by penguinmasta

Asynchronous and multithreaded Thread

When you first touch threads, it feels amazing. Although it is not very clear, it feels very compelling. Refer to some articles written by big guys: https://www.cnblogs.com/yilezhu/p/10555849.html I still like the articles written by this big man. https://www.cnblogs.com/mushroom/p/4575417.html   Multithreading is a very important part of. ...

Posted on Fri, 20 Sep 2019 02:45:46 -0700 by devain

Analysis of gh-ost Principle

gh-ost principle Introduction The last article introduced gh-ost parameters and specific methods of use, as well as the core features - dynamic adjustable pause, dynamic modification parameters and so on. This paper explains gh-ost's execution process, data migration and handover details design from the source code. Two principle 2.1 Implementa ...

Posted on Fri, 20 Sep 2019 02:08:10 -0700 by hehachris

MySQL database related operations in python

Installation Basic Environment 1 Introduction MySQL is developed on the basis of TCP protocol, but after network connection, the data transmitted must follow the protocol of MySQL, encapsulating the package of MySQL protocol, which is the driver. MySQL Driver MySQLDB's most famous library, which encapsulates and implements MySQL's C Clien ...

Posted on Thu, 19 Sep 2019 07:12:15 -0700 by BITRU

Don't come and see? I'll teach you how to speculate in stocks.

Recently, stock speculation is to buy what falls, has been losing money, cry, as a person who has learned python how to tolerate, before also speculated in the stock that use the k-line like Yang Baoyin to select the stock is good. So just do it. I can use python to write a stock selection program. Good! idea is the first step, how to achieve i ...

Posted on Thu, 19 Sep 2019 07:02:46 -0700 by Fjerpje

Spring Boot + Jpa + Thymeleaf Comprehensive Practice

In the previous course, we learned Spring Boot Web development, JPA database operation, Thymeleaf and page interaction technology. This course integrates these contents to make a user management function, including displaying user list (paging), adding users, modifying users and deleting users. Some people say that programmers are adding, dele ...

Posted on Thu, 19 Sep 2019 06:51:22 -0700 by Panz3r

The Installation of redis and Its Cluster and the Use of Jedis

Introduction of 1 redis NoSql database is a database solution to solve the problems of high concurrency, high scalability (cluster), high availability (not downtime), and large data storage. NoSql database: full name not only sql, non-relational database. It can be a good supplement to relational data ...

Posted on Thu, 19 Sep 2019 03:27:39 -0700 by SwiftlyTilting

Overview of Operating System Principles: Classic Process Synchronization and Mutual Exclusion

Producer-consumer problem with limited buffers There are two groups of processes, one is the producer process P1, P2,..., Pn, and the other are consumer processes c1, c2,..., cm, they share a common, fixed-size buffer pool with n buffers and one buffer to store a product.Producers continue to make pro ...

Posted on Wed, 18 Sep 2019 17:48:36 -0700 by bemoi