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Prevent Directory Traversal Attacks in Node.js File Access

Secure your Node.js application from directory traversal vulnerabilities by sanitizing user-controlled file paths before accessing the file system, preventing unauthorized file access.

Creating Reusable Logic with Vue 3 Composables

Discover how to build and integrate composables in Vue 3's Composition API to encapsulate and reuse reactive stateful logic across multiple components.

Using Vue 3 Teleport for Modals and Overlays

Learn to effectively use Vue 3's Teleport component to render modal dialogs, notifications, or tooltips outside of their parent component's DOM hierarchy.

Rendering Dynamic Components in Vue 3

Master rendering different components conditionally or based on data using Vue 3's dynamic <component :is="..."> syntax for flexible UI structures.

Customizing v-model for Reusable Vue 3 Form Components

Explore how to implement and customize v-model on your own Vue 3 components, enabling seamless two-way data binding for custom form elements.

Monitor Web Server Logs for Specific Errors

A bash script to continuously monitor web server error logs for specific keywords (e.g., 'error', 'failed') and alert the user, useful for real-time issue detection in web applications.

Automate Git Pull and Service Restart for Web Deployment

A concise bash script to pull the latest changes from a Git repository, optionally install dependencies, and restart a specified web service, ideal for simple CI/CD or manual deployments.

Check Server Disk Space and Inode Usage

A bash script to display current disk space usage and inode usage for all mounted filesystems, critical for maintaining server health and preventing storage-related outages in web servers.

Parse JSON API Response with JQ in Bash

Learn to extract specific data from a JSON API response using `curl` and `jq` within a bash script, essential for automating API interactions and data processing in web development.

Load and Use Environment Variables for Application

A bash script demonstrating how to load environment variables from a `.env` file and make them available to a child process or script, crucial for secure configuration management in web projects.

Validate and Extract Hex Color Codes

A JavaScript snippet to validate if a string is a valid 3-digit or 6-digit hexadecimal color code and extract it, useful for CSS and UI checks.

Extract All Hashtags from Text

A JavaScript function to efficiently find and extract all unique hashtags (e.g., #topic, #jsdev) from a given string, commonly used for social media features.