Small volume on the new | simple DDD
From the basics to the ground, zero to one takes you through the nightmare of top-down business-driven architecture, breaking old code, and complex business maintenance...
Read More
Category: The back-end
Deep understanding of BIO, NIO, AIO
January 31, 2024
by Barbara Thomas
No Comments
In this article you will learn: same/asynchronous + blocking/non-blocking performance differences; BIO, NIO, AIO; Understand and implement multiplexing when NIO operates Socket; At the same...
Read More
Digging into MySQL indexes: From data structure to usage
January 31, 2024
by Beth Tyler
No Comments
An Index is a data structure that helps MySQL obtain data efficiently. You get the essence of an index: an index is a data structure....
Read More
I chose MySQL and SpringData JPA
January 31, 2024
by Katy Foster
No Comments
Why Mysql/ why ORM framework SpringData JPA? How does the Internet use this storage, other than development
Read More
Flink Broadcast State Actual combat case: analysis of user behavior pattern of e-commerce platform
January 31, 2024
by Navya Korpal
No Comments
Broadcast State is a feature introduced in Flink 1.5. This article will share potential usage scenarios of Broadcast State and demonstrate how to use it...
Read More
Go distributed token bucket flow limiting + bottom-pocket strategy
January 31, 2024
by Navya Sarraf
No Comments
In the previous article, it was mentioned that the flow limiting of fixed time window could not deal with the sudden request flood peak. The...
Read More
4. Find the median of two positive ordinal groups (difficulty)
January 31, 2024
by Michael O'Sullivan-Atkinson
No Comments
Given two positively ordered (from small to large) arrays of size m and n, nums1 and nums2. Please find and return the median of the...
Read More
Sedona Sql introduction – Intersection analysis of ten million points
January 31, 2024
by Elakshi Tak
No Comments
This article uses GraalVM and Apache Sedona for intersection analysis. Apache Sedona™(Incubating) is a Spark framework for dealing with large spatial data
Read More
Time wheel algorithm design from Kafka
January 31, 2024
by Gerard Sharp
No Comments
Kafka implements delay operation based on time wheel. The time complexity of the time wheel algorithm is O(1), which meets the performance requirements of Kafka....
Read More
Ali deep learning “Diamond diamond” — Billions of features XNN algorithm and its practice
January 31, 2024
by Graeme Pope
No Comments
As the clock strikes 12, thousands of people start their annual shopping spree staring at shopping carts. But have you ever wondered what's behind the...
Read More
Let’s talk about Dubo-Go’s broadcastCluster
January 31, 2024
by Brooke Wright
No Comments
Sequence in this paper, we study the dubbo broadcastClusterbroadcastClusterdubbo - go - go - v1.4.2 / cluster/cluster_impl/broadcast_clu
Read More
What about the underlying implementation of HashMap? And the element addition process?
January 31, 2024
by Ehsaan Yohannan
No Comments
HashMap is one of the most frequently used data types and one of the must-ask questions in an interview. In particular, its underlying implementation principle...
Read More
Do you know how much time we have left to spend with our parents?
January 31, 2024
by Leslie Robertson
No Comments
With this Python code, we can calculate how many days we theoretically have left with our loved ones. Here or with everyone, have time or...
Read More
Code that causes a Python program to restart automatically
January 31, 2024
by 寧靜怡
No Comments
How do I make a Python program restart automatically? So, suppose you have a very simple program like this: Now, in the Python Shell, you...
Read More
Erasure Coding
January 31, 2024
by Nitya Raval
No Comments
Destination HDFS's default three-copy policy has a 200% overhead in storage space and other things such as network bandwidth, so the copy policy is expensive....
Read More
PHP valid parenthesis validation (stack dependent) -LeetCode 20
January 31, 2024
by Neil Evans
No Comments
The LeetCode 20 stack is a very simple data structure with only two operations, push and push. Last come first out,
Read More
Awk command projection and variables
January 31, 2024
by Lance Stevenson
No Comments
Awk performs operations implicitly in rows, allowing us to focus on each row of data. The variable mechanism it provides further enhances its functionality. In...
Read More
Encapsulate your own starter
January 31, 2024
by Devin Padilla
No Comments
There is a very important mechanism in SpringBoot called starter, which is an important manifestation of the "convention over configuration" philosophy. The ability to integrate...
Read More
Talk about the RequestLogAspect of NacOS Config
January 31, 2024
by Janet Bird
No Comments
Sequence in this paper, we study the nacosconfig RequestLogAspectRequestLogAspectnacos - 1.1.3 / config/SRC/main/Java/com/alibaba/na
Read More
ACM contestant illustration LeetCode circular linked list
January 31, 2024
by Judith Smith-Potter
No Comments
Hey, guys. I'm balls. Today, we are going to cut the circular list, which is still a frequent interview question. Judging circular lists is a...
Read More
Record an Arthas use
January 31, 2024
by Cassandra Gallagher
No Comments
I finally had time to take a break today and document a simple use of Arthas while working from home. Downloading and installing won't go...
Read More
Java [year of the Beast battle] I wish you a smile
January 31, 2024
by Neil Watts
No Comments
PK creative Spring Festival, I am participating in the "Spring Festival creative submission contest", please see: Spring Festival creative submission Contest. Spring Festival is coming,...
Read More
Deadlock caused by INSERT statement
January 31, 2024
by 王佳慧
No Comments
The deadlock caused by two identical INSERT statements is a distortion of human nature, or a loss of morality, which makes us say: Oh my...
Read More
(Design mode) Share mode
January 31, 2024
by Keith Lopez
No Comments
! [the flyweight pattern (design patterns). PNG] (HTTP: / / https://p3-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/75c85e60719d4bc494777437a53b8f1b
Read More
Introduction of 23 design patterns and their implementation in Java
January 31, 2024
by Sumer Kuruvilla
No Comments
A design pattern is an optimal solution to a problem and is derived from many excellent software systems. There are typically 23 Java Design Patterns....
Read More
Record a backlog of springCloud Gateway requests due to a reactor-Netty bug
January 31, 2024
by Angela Farland
No Comments
Gateway, netty - bugs, reactor.net ty. Channel. AbortedExceptionbut ServerHttpResponse already committed
Read More
This article explains the operation of linked lists, so you can easily write the correct list code after reading it
January 31, 2024
by Dr. Andrew Palmer
No Comments
Master linked list three magic weapon: always remember to prevent pointer loss; Introducing sentinels to simplify linked list operations; Double Pointers are cleverly used to...
Read More
How to manage digital experience well?
January 31, 2024
by Dr. Guy Harrison
No Comments
Introduction: This paper is mainly divided into three parts. The first part is the necessity of digital experience management. It introduces the necessity of digital...
Read More
Practical: Spring multi-tenant data source management AbstractRoutingDataSource!
January 31, 2024
by Yasmin Tiwari
No Comments
In many cases, we do need to access multiple data sources within a service. It makes the whole design less elegant, but the real world...
Read More
Redis key value type and underlying principle fully resolved
January 31, 2024
by Mr. John Morton
No Comments
"This is the 18th day of my participation in the Gwen Challenge in November. See details: The Last Gwen Challenge in 2021." String Common commands...
Read More