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Snippet Library.

Extract Specific Data from JSON Output with jq

Master `jq` to efficiently parse and extract specific data from JSON responses from APIs or command-line tools, making automation simpler.

Implement API Rate Limiting Retries with Exponential Backoff

Learn to robustly handle API rate limits (429 Too Many Requests) by implementing an exponential backoff and retry mechanism using JavaScript's Fetch API.

Secure API Authentication with OAuth 2.0 Client Credentials Flow

Authenticate server-side applications with an API using the OAuth 2.0 Client Credentials Grant flow in Python, obtaining and utilizing an access token for secure requests.

Upload Files to API using FormData with JavaScript Fetch

Demonstrate how to upload a file (e.g., an image) along with other form data to a REST API endpoint using the `FormData` object and Fetch API in JavaScript.

Implement API Key Authentication for Incoming API Requests (PHP Laravel)

Secure your API endpoints by implementing a custom middleware for API key authentication in Laravel, verifying keys against a database or configuration.

Managing Project-Specific Environment Variables

Load project-specific environment variables from a .env file into your Bash session or scripts, ensuring consistent configurations across different development environments.

Automate Updating Multiple Git Repositories

A Bash script to efficiently navigate through multiple Git repositories within a parent directory and pull the latest changes, streamlining your development workflow.

Automatically Remove Old Files and Directories

Use a Bash script to automatically find and delete files or empty directories older than a specified duration, ideal for routine cleanup of logs, cache, or temporary data.

Extract Key-Value Pairs from Configuration Files

A powerful Bash snippet to parse and extract specific configuration values (e.g., database host, API keys) from text-based configuration files using grep and awk.

Basic Command Line Argument Parsing in Bash

Implement simple command-line argument parsing in your Bash scripts to accept flags and values, making your scripts more flexible and user-friendly for various operations.

Filter PHP Array Elements by Both Key and Value

Learn to filter array elements based on conditions applied to both their keys and values using `array_filter()` with the `ARRAY_FILTER_USE_BOTH` flag for precise data control.

Aggregate PHP Array Values to a Single Result

Master `array_reduce()` to iterate through an array and progressively build a single result, like a sum, concatenation, or complex object, using a callback function.