Welcome to the Treehouse Library
This is a sample catalog of all the courses we offer. Browse by topic or difficulty. Sign up today and get access to our entire library. Treehouse students get access to workshops, bonus content, conferences, and more.
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Using Cookies and JWTs for Secure Authentication
Refactor an existing authentication project by using cookies and JSON Web Token to increase security. Cookies are a way for a browser to store information while tokens are a stand-in or representation for something else.
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Asynchronous Programming with JavaScript
In this course, you will learn why asynchronous code matters, and how to write code that avoids blocking behavior using three approaches: callbacks, promises, and async/await.
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Financial Statement Basics
Understanding how to read the story that financial statements tell is a really useful skill and an important part of career development. In this course, we’ll give a basic overview of the 3 main financial statements: the Profit and Loss Statement, the Balance Sheet, and the Cash Flow Statement. We’ll teach what they show you, why it matters, and give you a bunch of practice problems to help retain that knowledge. After completing this course, you will be able to read, understand, and use financial statements and build on that knowledge as you continue to learn about them.
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Getting Started with PHP Unit Testing
For all us imperfect programmers, I have some great news. There are tools that can help you keep those mistakes from breaking your application. They can also help you find and fix bugs faster, while at the same time, preventing those bugs from ever coming back. Many of these tools revolve around testing.
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The following items are scheduled to be released soon. You can also visit our content roadmap for more info.
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Design Systems
Design Systems are more than just bits of UI and visual guidelines. They're living documents, usually created by companies or design groups, that are intended to guide the creation of user experiences. They often touch upon everything from high level goals and user interface metaphors down to details like buttons and drop shadows. In this course, we'll learn about the fundamentals of design systems.
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C# Basics 2019
C# is the most popular programming language in the Microsoft ecosystem of products. C# code is designed to run fast and to be easily maintainable. In C# Basics, we'll learn how to work with C# to write simple programs.