There are three types of Java encryption algorithms: 1. One-way encryption algorithm 2. Symmetric encryption algorithm 3. Asymmetric encryption algorithm One-way Encryption Algorithm One-way encryption is an irreversible encryption algorithm, and the encrypted ciphertext cannot be decrypted. Common algorithms include MD5, SHA, and HMAC. MD5 (Message-Digest Algorithm) No matter how long the data is, it … Read more
A lightweight yet powerful HTTP client The description “A lightweight yet powerful HTTP client” can apply to various libraries in different programming languages. Here are some popular HTTP clients that fit this description: Python – `requests`: This is a very popular Python HTTP library that is user-friendly and powerful. – `httpx`: Similar to `requests`, but … Read more
Distributed MQTT Broker Server The distributed MQTT Broker server is a message broker based on the publish/subscribe model. It supports load balancing and data synchronization across multiple nodes to provide high availability and scalability for MQTT messaging services. Here is a detailed explanation of the distributed MQTT Broker server: 1. Definition and Functionality Definition: The … Read more
History of C Language Development The world originally had no computers; engineers created them out of necessity for their work. To inform the normal operation of computers, engineers invented programming languages. As the C language exam approaches, are you feeling as frantic and furious as I am? Today, let’s learn about the history of C … Read more
Hi everyone! I am Hu Ge, and today we will discuss an interesting topic: why Alibaba sticks to Java while ByteDance and Douyin are enthusiastically using Go and Rust. Why is that? 🤔 Let’s start with some technical and “historical baggage” and also discuss the “language distribution” within large companies. Alibaba’s attachment to Java can … Read more
Java 6 introduced a feature for discovering and loading implementations that match a given interface: the Service Provider Interface (SPI). SPI is a mechanism provided by Java to discover and load implementations that match a given interface. It is mainly used to extend existing system applications, among other things. There are many applications in the … Read more
Introduction to Computer Technology and Science Major Major Introduction Computer Technology and Science This major trains students to engage in the development of computer application software, analysis and maintenance of computer system software, management and maintenance of computer networks, as well as design, debugging, installation, and maintenance of computer hardware, embedded systems, and interfaces. Students … Read more
Many people have asked what programming languages are used for industrial robots. In this article, I will summarize several commonly used programming languages for industrial robots. 1. Hardware Description Languages (HDLs) Hardware description languages are generally used to describe electrical programming methods. These languages are quite familiar to some robotics experts because they are used … Read more
How much does the thread priority setting in Java affect performance? In Java, thread scheduling is a topic that developers both love and hate. Especially regarding thread priority settings, many people can’t help but ask: “Does thread priority really affect performance? If so, how significant is the impact?” Today, let’s discuss this seemingly simple yet … Read more
Hello everyone! I am Lao Zhang. Today we will discuss a very important topic in IoT development – the data synchronization solution for edge nodes. In IoT systems, it is often necessary to handle a large amount of scattered sensor data. How to efficiently and reliably synchronize this data to the cloud is a very … Read more