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  • Owen Mecham

Sam Julien's and Mike Ryan's talks grouped together at RxJS Live!

Sam and Mike will be co-presenting a talk titled "What Groups By in Vegas, Stays in Vegas"

What if they told you that one of the most useful operators in RxJS is also one you probably have never heard of? In their talk, you'll meet the quiet workhorse called "groupBy." Don't let its understated nature fool you -- groupBy can change your life! The groupBy operator thrives in heavily interactive UIs, like when users rapidly favorite a bunch of items in a list. When combined with some of the other operators like concatMap, groupBy really shines.

In their talk, you'll learn how to harness its power and take your reactive code to the next level. Using a framework-agnostic approach, you'll see how to use groupBy to give users an excellent experience. You'll also learn the *why* behind when to use groupBy and common pitfalls to avoid with it. Of course, you'll also leave with sample code you can take back to work and start building from right away.

Viva Las groupBy!

Sam Julien is an Angular GDE, a Content Engineer at Auth0, and the creator of His favorite thing in the world is being outside drinking good scotch next to a fire he built himself.

Mike is a software architect at Synapse building user interfaces for industrial Internet of Things applications. He is a Google Developer Expert and a core team member of NgRx, an open source organization building high quality reactive libraries for Angular.

Be sure to purchase a group of tickets today at

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