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Expository writing aims to inform or explain, presenting facts and details in a clear, straightforward manner often found in textbooks and instruction manuals.

APIs are sets of rules for software interaction, while SDKs are comprehensive toolkits for development. SDKs often include IDEs, task runners, libraries, documentation, and debugging tools to streamline the coding process.

The wheel group in Linux is a special user group that controls access to the 'su' command, allowing only authorized users to gain superuser (root) privileges.

Composer, the dependency manager for PHP, does supports meta-packages. A meta-package is a package that doesn't contain any actual code or files itself but rather defines a collection of dependencies.

Here's how you can use a meta-package:

1. Define Dependencies: In the composer.json file of the meta-package, you list the packages that you want to include as dependencies. You don't include any actual code, classes, or files in the meta-package itself.

When it comes to line wrapping, what is meant by hard and soft limits?

1. Hard Limit: This is a strict boundary for the line length. No line of code should exceed this limit under any circumstances. If a line reaches this limit, it must be wrapped to the next line. It's a non-negotiable rule, and it ensures that the code remains readable and maintainable. In many coding standards, you might find a hard limit of 80 or 120 characters.

PHP-DI allows adding new services to an existing container using the set method, adhering to OCP and SoC principles for clean, maintainable code."

Explore why Guzzle trumps cURL in PHP development. Guzzle offers better readability, extensibility, and error handling, aligning with clean code principles.

Learn how to execute commands as another user in Manjaro Linux using su and sudo. This quick guide covers the essentials for user context switching in the terminal.