Facebook Trends: BREAKING!! Vaccines Make Your Children GAY And AUTISTIC

StreamBuilder: our open-source framework for powering your dashboard.

Today, we’re abnormally jazzed to announce that we’re open-sourcing the custom framework we built to power your dashboard on Tumblr. We call it StreamBuilder, and we’ve been using it for many years.

First things first. What is open-sourcing? Open sourcing is a decentralized software development model that encourages open collaboration. In more accessible language, it is any program whose source code is made available for use or modification as users or other developers see fit.

What, then, is StreamBuilder? Well, every time you hit your Following feed, or For You, or search results, a blog’s posts, a list of tagged posts, or even check out blog recommendations, you’re using this framework under the hood. If you want to dive into the code, check it out here on GitHub!

StreamBuilder has a lot going on. The primary architecture centers around “streams” of content: whether posts from a blog, a list of blogs you’re following, posts using a specific tag, or posts relating to a search. These are separate kinds of streams, which can be mixed together, filtered based on certain criteria, ranked for relevancy or engagement likelihood, and more.

On your Tumblr dashboard today you can see how there are posts from blogs you follow, mixed with posts from tags you follow, mixed with blog recommendations. Each of those is a separate stream, with its own logic, but sharing this same framework. We inject those recommendations at certain intervals, filter posts based on who you’re blocking, and rank the posts for relevancy if you have “Best stuff first” enabled. Those are all examples of the functionality StreamBuilder affords for us.

So, what’s included in the box?

The full framework library of code that we use today, on Tumblr, to power almost every feed of content you see on the platform.

A YAML syntax for composing streams of content, and how to filter, inject, and rank them.

Abstractions for programmatically composing, filtering, ranking, injecting, and debugging streams.

Abstractions for composing streams together—such as with carousels, for streams-within-streams.

An abstraction for cursor-based pagination for complex stream templates.

Unit tests covering the public interface for the library and most of the underlying code.

What’s still to come

Documentation. We have a lot to migrate from our own internal tools and put in here!

More example stream templates and example implementations of different common streams.

If you have questions, please check out the code and file an issue there.

it's real

my favorite part abt this generation is no one is ironing their clothes anymore fjckfncn fuck that! if the wrinkles wanna be there let them

Not to mention that by killing weak spiders you've been able to spot, you're reinforcing the spiders' gene pool, increasing the chance that one day YOU will be the one killed by a sneaky super-spider.

i just saved a spider in my room instead of killing it. my connection with nature has increased by 27%

It’s Andor Time! Do you have a question for the cast of Andor? They may have answers!

Submit your questions here, and come back for their Answer Time on September 21st at 12pm PT / 3pm ET.

actually enjoying that tumblr made their "secret" dashboards easy to find now

A desert outpost I designed!

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Artist: warakami vaporwave

hey it was actually really funny that blazing other peoples posts came out on 4/20 and no one has mentioned that. good job staff thank you staff

jupiter & the galilean moons

composite of two shots, both taken on my 8'' dobsonian and ASI178mc astronomy camera at 1200mm. first shot was overexposed to show the 4 moons of jupiter, second shot was exposed to get detail on jupiter itself