Function Description In JMeter, a sampler is used to simulate user requests and collect corresponding request and response data. Samplers can send various types of requests, such as HTTP requests, FTP requests, database requests, etc. They simulate user behavior by sending requests to the system under test and collecting the returned response data into the … Read more
Table of Contents Apache Log Statistics Nginx Log Statistics Web Service Status Statistics Other Statistical Combinations Count Statistics This article collects some common statistics commands for Apache/Nginx server logs in Linux operations. Apache Log Statistics # List the top IPs with the most visits today [[email protected] httpd]# cut -d- -f 1 access_log | uniq -c … Read more
HTTP status codes are the core feedback mechanism in client-server communication, appearing as three-digit numbers in the HTTP response headers, revealing the result of the request processing. Understanding these status codes is crucial for developers during debugging, operations troubleshooting, or API design. This article systematically analyzes common HTTP status codes and their application scenarios, helping … Read more
Introduction I believe that working on some simple and fun projects is a great way to get started. During the practical process, you will encounter many requirements and issues, and solving these requirements and problems is part of the learning process. Today, I will share a project that randomly displays classical poetry. If you are … Read more
Introduction I believe that working on some simple and fun projects is a great way to get started. During the practical process, you will encounter many requirements and issues, and solving these requirements and problems is part of the learning process. Today, I will share a project that randomly displays classical poetry. If you are … Read more
Through previous studies, we learned that BLE devices act as servers, storing some data, while clients achieve corresponding functions by reading, writing, and configuring this data. Previously, we learned about broadcasting and connections; today, let’s take a look at what happens after a connection is established.Discovery of Services and CharacteristicsAfter a device establishes a connection, … Read more
1. Overview of HTTP In the early 1990s, a major emerging application known as the World Wide Web took the stage. The Web is an Internet application that has captured public attention. The application layer protocol of the Web is Hypertext Transfer Protocol (HTTP), which is at the core of the Web. HTTP is implemented … Read more
Amazon Web Services’ Smart Hardware Marketing Season: Smart Product Streaming Industry Forum on-site report. Currently, the Internet of Things (IoT) has achieved a deeper integration with big data and artificial intelligence, with the industry concept gradually evolving from IoT to AIoT, marking a new wave of connectivity. So, how can we leverage IoT connectivity and … Read more