Use of wait/notify and J.U.C Condition in synchronized thread communication and source code analysis
I remember there was a classic interview question: how to output from 1 to 100 in sequence with multiple threads? The last chapter talked about the use and principle analysis of locks in Java. The above interview questions should be handy
This chapter mainly talks about the realization of production and consumption queue and Condition source c ...
Posted on Mon, 06 Dec 2021 23:08:14 -0500 by GoodWill
react source code analysis 8.render phase (see I'll compare Fiber)
react source code analysis 8.render phase
Video Explanation (efficient learning): Enter learning
Previous articles:
1. Introduction and interview questions
2. Design concept of react
3.react source code architecture
4. Source directory structure and debugging
5. JSX & Core api
6.legacy and concurrent mode entry functions
7.Fiber ar ...
Posted on Mon, 06 Dec 2021 23:06:27 -0500 by iFlex
Three minutes: experience the JAVA version of target detection at top speed (YOLO4)
Overview of this article Can I detect objects in photos in Java?
Yes, today we use the least time and the simplest operation to experience this practical function. After you submit an ordinary photo, you will see the following effect. The dogs, people and horses in the original photo are identified. The category and confidence are in the uppe ...
Posted on Mon, 06 Dec 2021 23:06:47 -0500 by mark_john
UNCTF2021 partial writeup
Misc
Simple log audit
Before updating the attachment, the flag was in the description. The update was put in the attachment at 18:00 p.m. on November 29
In short, there are three base64 strings in total. You can see the flag after decryption. Do you want to / forget the flag
UNCTF{CTF?YouShouJiuXing}
telecommunication fraud
Variant Caesa ...
Posted on Mon, 06 Dec 2021 22:59:08 -0500 by danago
Use of docker storage volume
Docker storage volume of docker
COW mechanism
Docker image is composed of multiple read-only layers. When the container is started, docker will load the read-only image layer and add a read-write layer at the top of the image stack.
If the running container modifies an existing file, the file will be copied from the read-only layer below the ...
Posted on Mon, 06 Dec 2021 22:45:55 -0500 by The Bat
SpringBoot recognizes numbers with deep learning model: development details
Overview of this articleAbove Three minute experience: SpringBoot recognizes numbers with deep learning model In, we experienced a Java application with a click of the mouse. The application integrates a deep learning model and can recognize handwritten digits in images. That article focuses on experience and operation and does not talk about t ...
Posted on Mon, 06 Dec 2021 22:40:10 -0500 by Thikho
Using Amoeba to realize mysql read-write separation
Using amoeba to separate mysql reading and writing
1. What is amoeba?
Amoeba (amoeba) project focuses on the development of distributed database proxy. Located between Client and DB Server(s). Transparent to clients. It has load balancing, high availability, sql filtering, separation of reading and writing, routing related queries to the targ ...
Posted on Mon, 06 Dec 2021 22:39:12 -0500 by ironmonk3y
Five new features of MySQL 8.0 are very practical!
MySQL 8.0 has been used by many domestic companies. This paper introduces several main new features of 8.0 in relational database.You may already know that MySQL has provided NoSQL storage function since version 5.7, and some improvements have been made in 8.0. However, since this function is rarely used in practice and I have never used it, th ...
Posted on Mon, 06 Dec 2021 22:27:50 -0500 by rwachowiak
[typescript] linked list algorithm question type and method summary
Linked list questions have been brushed about 20 times, and some rules have been summarized and shared with youProblem solving ideasThe main ideas are recursion and iteration, which also includes some skilled operations, such as fast and slow pointers. These summarized problem-solving ideas should not be a problem to deal with most linked list ...
Posted on Mon, 06 Dec 2021 21:57:02 -0500 by oskare100
Advanced usage of mybatis
1, Dynamic SQL
one of the powerful features of MyBatis is its dynamic SQL. If you have experience using JDBC or other similar frameworks, you can realize how painful it is to splice SQL statements according to different conditions. When splicing, make sure you don't forget the necessary spaces, and pay attention to omitting the comm ...
Posted on Mon, 06 Dec 2021 21:38:42 -0500 by DrDre