Follow “Java Matters” and select “Star” to receive a free Java book package, whether you are a newcomer or an experienced developer in this new era.Source: Online. When your server’s CPU reaches 100%, how do you troubleshoot the abnormal fault? At the end of this article, a shell script will be shared to help you … Read more
Understanding Java Security: Implementing Data Encryption Protection with Symmetric and Asymmetric Encryption Algorithms In the digital world, our data is as precious as our own treasures. Imagine you have a diary filled with secrets that you certainly wouldn’t want others to casually peek at. In the realm of computing, data is no different; we need … Read more
Java Encryption Algorithms: Principles of Symmetric Encryption, Asymmetric Encryption, and Hash Functions In modern information technology, data security is a crucial topic. To protect sensitive information, we often need to use various encryption algorithms. This article will detail the three main encryption algorithms in Java: Symmetric Encryption, Asymmetric Encryption, and Hash Functions, along with corresponding … Read more
Click the blue text to follow! javalorawan Practical Java Wastewater Monitoring: Optimizing Data Transmission with LoRaWAN Protocol Hello, everyone! It’s Feng again. Today, let’s talk about a topic with some “flavor”—using Java for wastewater monitoring. That’s right, the stuff you never care about when you flush the toilet now needs to be monitored with code! … Read more
Hello everyone! When I first started learning Java programming, I was particularly curious about how to track user states and manage sessions in web applications. Later, I discovered that Java’s Cookie library acts like a helpful little steward, assisting us in managing HTTP cookies for user state tracking and session management. Today, I will provide … Read more
This article was published on Ruzhila (WeChat Official Account: ruzhila). Everyone can visit Ruzhila to learn more about practical programming. 🎉 Implement an NIO HTTP client in Java with just 100 lines of code. The code is simple and clear, helping you understand the working principle of NIO and the completely asynchronous HTTP protocol parsing … Read more
IntroductionAs a developer, have you ever encountered a situation where you configured your application to automatically restart after a crash, but the service just won’t come back up? The logs only show a cold <span>status=217/USER</span>, leaving you puzzled? Don’t panic! Today, we will provide a hands-on guide to help you solve the “mystical” issue of … Read more
Click the blue text to follow! Java Vectorization Programming: Accelerating Image Processing Algorithms with SIMD Instructions Hello, programmers! Feng is back! Today, let’s talk about something exciting—Java vectorization programming. Don’t be intimidated by this fancy name; it’s simply a black technology that makes your Java code fly! Especially when processing images, the acceleration effect is … Read more
From: May’s Cangjie Cause During the 6.1 major promotion, a problem was discovered during duty hours: an RPC interface showed high response time (RT) during the peak order placement time from 0 to 2 AM (over 1s, even though this interface was optimized, an RT over this value is problematic; typically, even complex logic in … Read more
Author: Floating Life Dream Source: blog.csdn.net/m0_38110132/article/details/81481454 For a long time, I never really understood the difference between RPC (Remote Procedure Call) and HTTP calls. Aren’t they just about writing a service and calling it on the client side? Please allow me a naive smile here~ Naive! This article briefly introduces the two forms of C/S … Read more