The Ultimate
Snippet Library.

Filter an Array Using a Callback Function

Discover how to selectively remove elements from a PHP array based on custom criteria defined by a callback function, ideal for data cleaning and refinement.

Find Differences Between Associative Arrays (Key-Value Pairs)

Compare two associative PHP arrays to identify entries that are present in the first but not in the second, considering both keys and their corresponding values.

Securely Hash Passwords with Bcrypt in PHP

Learn how to securely hash user passwords using PHP's `password_hash` function with the Bcrypt algorithm, preventing rainbow table attacks and making brute-forcing difficult.

Robust Server-Side Input Validation in Node.js (Express)

Implement robust server-side input validation for API endpoints in Node.js using `express-validator` to protect against malicious data, injection attacks, and ensure data integrity.

Implement Essential HTTP Security Headers in Node.js with Helmet

Enhance web application security by implementing critical HTTP security headers like HSTS, X-Frame-Options, and X-Content-Type-Options in an Express.js application using the Helmet middleware.

Configure Secure and HttpOnly Session Cookies in Node.js

Learn to configure web application session cookies with `HttpOnly`, `Secure`, and `SameSite` attributes to prevent XSS, CSRF, and man-in-the-middle attacks, enhancing session security.

Check Git Status and Pull Latest Changes

Automate checking the Git status of a repository for uncommitted changes or untracked files, and pull the latest changes from a specified branch, ensuring your repo is up-to-date.

Make HTTP Request and Extract JSON Field with jq

Effortlessly make HTTP GET requests to API endpoints using `curl` and parse JSON responses with `jq` to extract specific data fields, useful for scripting API interactions.

Delete Old Files or Directories by Age

Automate the efficient cleanup of old files or empty directories within a specified path based on their age using `find`, perfect for managing logs, caches, and temporary data.

Interactive Script with User Menu and Actions

Create an interactive Bash script with a dynamic menu, allowing users to select and execute various administrative or development tasks through a `case` statement, streamlining workflows.

Efficient Data Ranking and Pagination with SQL Window Functions

Master SQL window functions like ROW_NUMBER() and RANK() to efficiently rank rows within partitions or implement advanced pagination logic for web applications.

Transform Rows to Columns with SQL Conditional Aggregation (Pivoting)

Discover how to pivot data and create dynamic reports using SQL conditional aggregation with CASE expressions inside aggregate functions like SUM or COUNT.