Hello everyone! Today, I will guide you through implementing a very useful data grouping feature in C++ similar to that in Excel. 1. Basic Features of Excel’s Grouping Function The grouping function in Excel has three main features: Hierarchical Structure: Allows for the creation of multi-level groups Expand/Collapse: Toggle the display of details at any … Read more
Advanced Usage of fprintf and fscanf for Appending and Reading Files in C In C programming, file operations are a very important part. Through files, we can persistently store data and also read data from them. In this article, we will focus on how to use <span>fprintf</span> and <span>fscanf</span> functions for appending and reading files. … Read more
Estimated reading time: 8 minutes | Target audience: PLC engineers, automation engineers > 🤔 Have you encountered these issues: – Low testing efficiency in electronic factories, high labor costs? – Testing data is difficult to trace, quality control faces numerous challenges? – Interconnectivity of equipment is problematic, low production line collaboration? – High investment in … Read more
Author: SHAUN KIRBY Translated by: Xiaoyu, Yu Zhiwen, Aileen If we consider cars as the ultimate “objects” in the Internet of Things (IoT), then the “data center on wheels” can draw many lessons from the enterprise data centers of the “Internet of Things”. The rise of the Internet of Things (IoT) has triggered an astonishing … Read more
Since the National Health Commission released the “National Standards and Specifications for Hospital Information Construction (Trial)” in 2018, a relatively complete system framework has been established for hospital information construction and the application standards of IoT technology. In 2022, the Planning Department of the National Health Commission further pointed out in the draft of the … Read more
This article is approximately 7200 words, and it is recommended to read in 15 minutes This article shares information about the industrial time-series database IoTDB (full name Apache IoTDB) and some of its applications. IoTDB originated from the School of Software at Tsinghua University. Under the leadership of Dean Wang, the team began focusing on … Read more
What changes will occur in life when every corner of the city can achieve intelligent interconnection? Wuhan Huilian Infinite Technology Co., Ltd. (hereinafter referred to as “Huilian Infinite”), a talent enterprise in the Optical Valley, is providing answers using wide-area IoT technology. Low-power wide-area IoT technology is a wireless communication technology capable of data transmission … Read more
Recommended Reading: Meeting Notice丨Letter on the 17th Smart City Conference Conference Announcement: We welcome submissions from all relevant units for the selection of excellent cases Submission Email: [email protected] Contact Number: 010-68716602 ★Case Submission Display★ Qingdao Energy Group Integrated IoT Management Platform Duan Xubao, Zhao Peng, Liu Lu Qingdao Energy Group Co., Ltd. Haina Cloud IoT … Read more
1 Market Background In today’s rapidly developing digital economy, many enterprises need to achieve production automation or intelligent material flow by connecting various devices to improve production efficiency, optimize resource allocation, and reduce costs. However, many enterprises face challenges due to equipment coming from different manufacturers, having different protocols, interfaces, and data formats, leading to … Read more
Are you often confused by the variety of file extensions in ArcMap, constantly screaming “Who am I? Where am I? What am I doing?” Good news for everyone, Renowned Instructor Yan Lei from Zhongke Dixin brings you the most detailed analysis of ArcMap suffixes, be sure to bookmark it! 01 .SHP Shapefile file extension, currently … Read more