Produced by Big Data Digest Compiled by: Zhu Yihui, Xue Qing, Xiao Yu Can object detection be achieved with just 10 lines of code?! The author of this article and his team have built a Python library called ImageAI, which integrates popular deep learning frameworks and computer vision libraries. This article will guide you step-by-step … Read more
In data-intensive fields such as finance, e-commerce, and human resources, at least 120 million repetitive Excel operations occur weekly. When I witnessed a CFO of a publicly listed company complete a report merge that would have taken all night with just three lines of Python code, I realized: when Excel meets Python, it’s like the … Read more
Exclusive: Python Bytecode Analysis, Interpreter Execution Principles, and Performance Optimization At three o’clock that morning, I was still debugging a bizarre performance issue. The code logic was not complex, but the execution efficiency was absurdly low. The coffee had gone cold. I sighed. In my eight years of Python development, I have experienced similar situations … Read more
Source: Authorized Reprinted from Programming Guide (ID: cs_dev) Author: Programming Guide Today, I saw a video online where the presenter mentioned that the current trend in learning paths is a complete set of arrangements. For example, in the Java learning path, most bloggers assume you will focus on Java backend development and attach a bunch … Read more
This article aims to clarify all input and output issues in the C language. It provides a complete explanation from multiple aspects. It is recommended to bookmark this article. 1. Overview 1. Classification by IO Location According to the location of IO, it can be divided into <span>standard IO</span> (i.e., keyboard, screen), <span>files</span>, and <span>memory</span>. … Read more
In 1969, Ken Thompson developed the UNIX system at Bell Labs in just three weeks, with the editor ed completed in only one week. However, this command-line editor was originally designed to accommodate teleprinters rather than display terminals. As a result, ed does not allow you to directly modify a line of text in an … Read more
Scenario 274: MySQL/MariaDB Service Fails to Start Issue: MySQL/MariaDB service fails to start. Solution: Check the MySQL/MariaDB error log for details: tail -f /var/log/mysql/error.log Verify if there are errors in the MySQL/MariaDB configuration file: cat /etc/my.cnf # or cat /etc/mysql/my.cnf Check for port conflicts: netstat -tulnp | grep 3306 Ensure there is enough disk space. … Read more
<span>at</span> is a command-line tool used to automatically execute various commands or scripts at a specified time and date. Tasks created with <span>at</span> are executed only once, making it an ideal tool for managing one-time tasks at precise time points. This article will introduce how to use <span>at</span> along with its companion tools <span>batch</span>, <span>atq</span>, … Read more
Notepad++ is a widely popular free and open-source code editor on the Windows platform, known for its lightweight, efficient, and feature-rich capabilities (such as syntax highlighting, multi-language support, and plugin extensions), making it a preferred choice for developers. However, since Notepad++ does not provide a native Linux version, Linux users need to look for alternatives … Read more
