The Ultimate
Snippet Library.

Perform Basic HTTP Health Check with Curl

Create a bash script to perform basic health checks on web services or URLs using `curl`, verifying HTTP status codes and response times for service availability.

Manage Project-Specific Environment Variables

Learn to load and export project-specific environment variables from a `.env` file into your current shell session, essential for managing configurations in development.

Parse and Extract Data from JSON Files with jq

Learn to efficiently parse and extract specific data from JSON files and API responses using the powerful `jq` command-line JSON processor in bash scripts.

Automate Local Domain Management in /etc/hosts

Streamline your web development workflow by automating the addition and removal of custom local domain entries in your `/etc/hosts` file using a simple bash script.

Secure Password Hashing and Verification with Node.js and bcrypt

Implement robust password security in Node.js applications by hashing and verifying user passwords using the industry-standard bcrypt library.

Implement API Rate Limiting in Express.js

Protect your Node.js Express API from brute-force attacks and abuse by setting up effective rate limiting on specific endpoints using `express-rate-limit`.

Prevent Clickjacking with X-Frame-Options Header in Express.js

Secure your web application against clickjacking attacks by setting the X-Frame-Options HTTP header in your Node.js Express server to control framing behavior.

Robust Input Validation and Sanitization in PHP

Implement strong server-side input validation and sanitization in PHP to ensure data integrity and prevent various security vulnerabilities from user-provided data.

Create Associative Arrays from Two Lists

Learn how to efficiently create a PHP associative array by combining one array for keys and another for values using array_combine, perfect for mapping data.

Extract a Portion of an Array (Slicing)

Discover how to extract a specific segment or 'slice' from a PHP array using array_slice, useful for pagination, limiting data display, or getting subsets.

Manipulate Array Ends Like a Stack/Queue

Learn to add or remove elements from the beginning or end of a PHP array using array_unshift, array_shift, array_push, and array_pop, mimicking stack/queue behavior.

Sort Associative Arrays by Custom Criteria with `usort`

Learn to sort PHP associative arrays based on a custom comparison function, useful for ordering complex data structures by specific keys or combinations of keys.