web Glow-Up: Bringing a Teenaged Website into the Modern World of SPA What many SPA discussions don’t take into account is just how arduous a process it can be to migrate to a single page architecture, especially when you’re dealing with a mature application, with millions of users and heaps of poorly-understood code.
Monitoring Performance the Easy Way: HAProxy to the Rescue Monitoring is a fundamentally difficult problem, which is annoying because it sounds like it should be easy. We built this service or application and now all we want to do
You Can’t Spell Update Without Date - A Guide to Getting Users to Update to Your Latest Release OkCupid's Android team releases new features and bug fixes every week. In a short amount of time the app can see an improvement in performance, user experience, and even a
testing Stand The Test Of Time: A Guide To Maintainable Unit Testing Writing tests is a crucial skill for programmers. In this post we're going to walk through everything you need to know to become a skilled test writer.
Data Science Peek-a-boo! Sometimes No Data is the Answer OkCupid prides itself on our data analyses. While we are famous for sharing insights on how people date, the processes we have in place that lead to these insights transcend
OkCupid Presents: How To Use Type Erasure For Better Model Abstractions Erase your fear, type erasure is here OkCupid is hiring for iOS Click here to learn more Introduction Here at OkCupid we are constantly striving to implement best in class
backend Stepping on the "Scale" with Kubernetes When the OkCupid app on your phone updates to a new version, you have to close and relaunch the app to complete the update. This happens once every few weeks, and when it's time to update, you get to choose when to restart the
Leveling Up Your UI Tests With MockWebServer This spring, I took the week to finally dive further into Espresso testing. I've automated apps with this tool before, but there's one issue with Espresso testing that I've always struggled with: network mocking.
javascript Getting Hooked on React Hooks By now, informed reader, you’ve surely glanced at, skimmed through, or at least bookmarked half a dozen articles about React 16.8’s most hotly anticipated feature: hooks. You’
Web Deploys Made Pretty Easy: S3, Webpack, and Legacy Systems Some time over the summer, we began thinking about converting OkCupid's desktop webapp to a more SPA-style experience. "Why not?" we asked. "It's strange we hadn't started doing this earlier!" was probably something someone else said.
Hidden Gems In Kotlin StdLib We've been using Kotlin at OkCupid since about mid 2017, and our entire Android team loves it. If you've been developing in, or even researching Kotlin, you're aware of how
OKTableViewLiaison: UITableView Made Simple 🙌 Note: We released this framework on GitHub UITableView is the defacto tool to help us create rows of cells when developing our iOS apps. The typical configuration consists of having
The state of SageMaker: It's a work in progress. I have been working on evaluating AWS SageMaker with TensorFlow, and integrating it into our Python heavy ML stack to provide the model training step. The idea is to avoid
Cropping Bitmaps With Custom Glide Transformations One of the most crucial features of any dating app is the ability to share pictures. I spend a decent amount of time combing through the (few) good pictures of
android Engineering Smart && Building Dumb: Building an Android Thin-Client at OkCupid Blog post adapted from my talk at the New York Android Developers Meetup sponsored by OkCupid (We're hiring!) “Thin-client? There hasn’t been a thin-client here for thirty years…” , cue
iOS Command Patterns and UICollectionView Working at OkCupid I've learned a lot about the science of dating. However, anytime I have to go on a date I'm always scrambling to figure out what to wear.
When Debuggers Lie Here at OkCupid we recently spent a lot of time trying to debug an application panic that seemed like it couldn't possibly happen. Well, it turns out that the panic
iOS Scroll Performance Tutorial At OkCupid, 30% of iPhone users have a device that we consider to be underpowered. This makes it extremely important that we code our app to perform optimally across all
Evaluating Perceptual Image Hashes at OkCupid At OkCupid, we sometimes run into users and bots that re-use the same photos we've seen before. While sometimes we can simply check if a photo has been seen (and
The pitfalls of A/B testing in social networks I'm frequently asked to help run A/B tests at OkCupid to measure what kind of impact a new feature or design change would have on our users. The usual
javascript Working on OkCupid "in production" with Webpack and localhost Let's be honest: you should probably be working now. If you're anything like us from a year ago, you ended up here while waiting for your dev machine to start
Rust and RPC - OkCupid Hackweek 2017 We write a lot of C++ here at OkCupid. It's pretty great, except when it's really not. I've been evaluating Rust as another potential language for our Backend Team. It
frontend How OkCupid organizes its multi-page React app While writing this blog post, I noticed that I haven’t seen many articles about how other large apps organize their files. Maybe the problem is obvious, unimportant, or mundane,
Swiping Right on Bloom Filters Anyone who has used a mobile dating app has been asked to swipe through faces and pick out the ones they want to connect with. Swiping is simple and easy,
