Introduction to Git Hooks Git is more than just a version control system. It also provides automation to improve developer productivity. One of these features is Git Hooks. Git Hooks are scripts that Git automatically executes before or after specific events, such as commiting code, pushing to a remote repository or merging branches. They allow developers to automate tasks seamlessly within the…

A complete guide to Linux/Unix signals and process management. Learn how Ctrl+C, Ctrl+Z, kill, pkill, nohup, &, and tmux work behind the scenes. Discover how to gracefully terminate processes, run tasks in the background, keep services alive after logout, and manage multiple sessions with tmux for efficient system administration. 1. Introduction In the Linux/Unix world,…

Back when I started managing servers, I remember staring at the terminal, completely lost. The blinking cursor felt like it was mocking me. Fast forward a few years, and now Linux Commands feel as natural as breathing. Whether you’re currently managing Linux servers or planning to, these twenty Linux Commands will prove essential time and time again. 1. ssh…

Python learners and curious developers, you’ve probably heard this famous phrase in the programming world: “Everything is an object in Python.” It sounds almost mystical, but it’s actually one of the core reasons Python is so flexible and powerful. This article will take you from the very basics of“What exactly is an object?”all the way…

Text processing is a cornerstone of Linux system administration and development. Whether you’re parsing logs, transforming data, or automating tasks, tools like grep, awk, sed, and jq are indispensable. Each of these command-line utilities has unique strengths, and together they form a powerful toolkit for manipulating text and data in Linux. In this comprehensive guide, we’ll explore what each tool…

Amid the evolving landscape of Search Engine Optimization (SEO) and the Semantic Web, JSON-LD (JavaScript Object Notation for Linked Data) has emerged as a critical tool for developers aiming to boost their web pages’ search visibility and enhance user experience. This guide will take you from scratch to mastering JSON-LD’s syntax, core functionalities, multilingual support, SEO optimization…

This article compiles in detail the core types, industry-specific use cases, and full code examples of JSON-LD structured data, covering applications from basic entity markup to vertical fields such as e-commerce, media, and education. Each example is accompanied by detailed explanations to help developers, SEO specialists, and content operators quickly master JSON-LD annotation methods, enhancing…

In the development of international web applications and multilingual websites, multilingual adaptation of structured data is a critical step to enhance search engine visibility and optimize cross-lingual user experience. As a recommended structured data format by Schema.org, JSON-LD (JSON for Linked Data) supports multiple ways to describe multilingual content through its flexible syntax, effectively addressing the…

How to fix Mac app “damaged” or “unable to identify developer” errors When downloading and opening an app on a Mac, you often encounter the following error message: If you encounter these problems, you can solve them by following the steps below: Step 1: Enable “Any Source” downloads This allows the app to be downloaded…

Problem Description When downloading an APP or PKG installer from the Internet on a Mac, a prompt may appear indicating that it cannot be opened: This is because your Mac’s security mechanism prevents you from opening programs that come from unknown sources or that may contain viruses. Workaround Simple solution(recommend) This can be turned on…