Packages

Class Libraries and NuGet Packages

Understand how to build reusable .NET class libraries, reference them across projects, and package and publish them as NuGet packages.

NuGet Package Management

How .NET Core projects declare, resolve, and centrally manage third-party dependencies through NuGet.

dbt Packages

dbt packages let you install and reuse pre-built models, macros, and tests published by others, from the dbt Hub or a private Git repo, via a simple packages.y…

Writing R Packages

Learn how to structure, document, and build a distributable R package using usethis, roxygen2, and devtools.

Mix and Hex Packages

How Elixir's built-in build tool Mix and the Hex package manager handle project structure, dependencies, and production releases.

Packages and Namespaces

Understand how Perl's 'package' keyword partitions global symbol tables to avoid naming collisions and how namespaces underpin every module and class.

Packages in Java

Learn how Java packages organize classes into namespaces, how the package and import statements work, and how package-private access controls visibility.

Modules and Packages in Python

Learn how Python organizes code into reusable modules and packages, and how the import system locates and caches them.

Packages and Go Modules

Learn how Go organizes code into packages and manages dependencies with go.mod using the modules system.

NuGet Packages

Understand NuGet, the .NET package manager, and how to add, version, and manage dependencies via PackageReference in modern .NET projects.

Ada Cheat Sheet

Key Ada syntax covering strong typing, control flow, packages, and exception handling for safety-critical software.