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Snippet Library.

Building a useEventListener Custom Hook for React

Simplify event listener management in React components with `useEventListener`. Attach and clean up event listeners efficiently for any DOM element or window.

Creating useIntersectionObserver for Lazy Loading and Visibility Detection

Implement lazy loading, infinite scroll, or element visibility detection in React with a custom `useIntersectionObserver` hook for optimal performance.

Debugging React Re-renders with useWhyDidYouUpdate Hook

Identify and fix unnecessary React component re-renders using a custom `useWhyDidYouUpdate` hook, helping optimize performance and debugging.

Managing Concurrent Background Services for Local Development

Efficiently start and manage multiple development services (e.g., frontend, backend, database) in parallel within a single terminal session using Bash.

Automated Website Deployment with Rsync

Synchronize local website files to a remote server securely and efficiently using Rsync over SSH for streamlined automated deployments.

Automating Git Repository Setup and Updates

Streamline development workflows by automating Git cloning, pulling, and dependency installation for new or existing projects.

Monitoring and Cleaning Up Disk Space on Servers

A practical Bash script to check disk usage, identify large files or directories, and automate cleanup of old log files on a server.

Dynamically Updating Configuration File Values

Automate the modification of specific key-value pairs within configuration files (like `.env`) using Bash and `sed` for environment-specific settings.

Implementing API Rate Limiting with Express.js Middleware

Protect Node.js API endpoints from abuse, brute-force attacks, and DDoS. Implement effective rate limiting using `express-rate-limit` middleware, ensuring stable service availability and preventing server overload.

Secure File Uploads: Validating File Type and Size in PHP

Implement robust security for file uploads in PHP. Strictly validate file types using MIME checks and enforce size limits on the server-side to prevent malicious uploads and system compromise effectively.

Implementing Anti-CSRF Protection with Synchronizer Tokens in PHP

Protect web forms and state-changing actions from Cross-Site Request Forgery (CSRF) attacks. Generate and validate unique synchronizer tokens for each user session in PHP, ensuring legitimate user intent.

Preventing SQL Injection with Prepared Statements in PHP

Secure PHP web applications by using PDO prepared statements. Learn to prevent SQL injection vulnerabilities, safeguarding your database from malicious queries and potential data breaches.