CSV is a flexible data format that can be easily opened and edited with both text editors and spreadsheet software. Below, I will write a simple example, with the code as follows: # Example code to create CSV files After running the code, there are three CSV files in the current directory: data_list.csv, data_list0.csv, and … Read more
1. Founding Time and Standardization Founding Time：The CSV format originated in 1972, first implemented by the IBM Fortran compiler team in the OS/360 system.The standardized version was formally defined in RFC 4180 (October 2005). Core Contributors： IBM Fortran Team：Original implementation team Y. Shafranovich：Main author of RFC 4180 Community Collaboration：The widespread adoption of database and spreadsheet … Read more
Batch SSH Graphical Tool Based on recent work, I developed a batch SSH tool that can modify passwords, execute commands, and upload files to target hosts in bulk. It can run directly on Windows, and you can add host information to a CSV file. Loading CSV File Batch Command Execution Batch File Upload View Uploaded … Read more
⭐Introduction to File I/O in C: Understanding “Why Save Data” Before Using CSV to Write and Read Data Author: IoT Smart Academy 1. Why Must We Learn “File I/O”? Memory is temporary: When the program stops or power is lost, the data is gone. Files are permanent: Stored on the hard drive, they remain after … Read more
Have you often encountered moments of frustration when opening a CSV file: Chinese content turns into a bunch of question marks, numbers and text are intertwined, and date formats are all over the place? Don’t worry, today I will share 3 Python tricks that can help you completely say goodbye to these troubles! Imagine these … Read more
In industrial automation systems, real-time calculation and processing of Modbus register data is often required. There is an urgent need for a lightweight calculation rule engine implemented based on CSV configuration files, supporting basic operations and complex multi-register calculations. System Architecture ┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐ │ CSV Configuration File │───▶│ Rule Parser │───▶│ Calculation Engine │ … Read more
MATLAB – Reading and Writing CSV Files There are various methods to read and write CSV files in MATLAB, which can be selected based on data type and requirements. Basic Read and Write 📝 1. Writing to a CSV File 1. Numeric Matrix → writematrix data = [1, 2.5, 3; 4, 5.1, 6]; writematrix(data, 'output.csv'); … Read more
LXX Reading time: 3 minutes Quick read takes only 1 minute Introduction: When we download the original data from ICESat-2 (such as ATL03, ATL08 products), we often encounter issues with large data volumes and complex formats. Most of the time, we convert, crop, and clean the data before saving it in CSV format for further … Read more
JSON documents are ubiquitous on the Internet, and servers spend a considerable amount of time parsing these documents. We aim to accelerate the parsing of JSON itself as much as possible using commonly used SIMD instructions while performing full validation (including character encoding). Performance Results Simdjson uses fewer instructions than the state-of-the-art parser RapidJSON by … Read more
I heard about a female employee who went on an adventure in a remote area of the mountains (with no internet access, barely able to use 2G signal). Her boss called her to find someone. Unfortunately, her phone was almost out of battery, and she didn’t bring a charger. She was in power-saving mode because … Read more