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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CSS Selectors Quickstart
An introduction to CSS selectors for JavaScript programmers. This course covers what you need to know about CSS selectors to complete common DOM programming tasks.
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Build a REST API with PHP
Build a REST API using the Slim Microframework.
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Introduction to the Terminal
Apps for ordinary users use GUIs you control with a mouse or touchscreen. But developers know the most powerful way to interact with computers is using text, in the terminal. This course will set you on the path to terminal mastery!
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Java Maps
In this course we'll learn how to store key-value pairs by using a Map!
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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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Asynchronous Code in Express
In this course, we’ll look more closely at three approaches to handling asynchronous operations in Express: callbacks, promises, and async/await.
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Continuous Integration with Jenkins
Jenkins is a continuous integration server. Integration tests take all the code and other components of your application and integrate it together, then test it to ensure it's working properly. Jenkins can watch repos for version control software like Git or Subversion. When there's a new commit, Jenkins will check it out automatically. It will run your tests, and report the result. It can even be configured to automatically deploy your software to production if all the tests pass. This course is going to show you all the basics of using Jenkins.
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REST APIs with Express (Refresh)
Learn the basics of building out a REST API with Express, a popular framework written for Node.js.
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Introduction to Regular Expressions
Regular Expressions are like having a secret code for telling a computer exactly what you want. Regex, as it's often referred to, is a text string for describing a search pattern. You can think of it as a supercharged version of a find tool. In this course, we'll explore what regular expressions are, and get some practice using them.
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Asynchronous Programming with JavaScript
Learn asynchronous code flows using callbacks, promises, and async/await.