Category Archives: Elsewhere

Strava Global Heatmap

Strava has released a Global Heatmap powered by Mapbox GL, plotting all locations where their users go run / go cycle / do water activities / do winter activities. The raw input activity streams data comes from a Spark/S3/Parquet data … Continue reading

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SQIP – SVG-Based Image Placeholder

In an in-depth analysis on how Medium loads up their images, José M. Pérez explains how their “blur-up technique” works: Display a resized version of the original at the original size, with a blur filter on top to hide the … Continue reading

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JSON5 – JSON for Humans

JSON isn’t the friendliest to write. Keys need to be quoted, objects and arrays can’t have trailing commas, and comments aren’t allowed — even though none of these are the case with regular JavaScript today. JSON5 is a proposed extension … Continue reading

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Accessing a tweet using only its ID (and without the Twitter API)

Today I learned that Twitter totally ignores the username in the “tweet detail route” on their website. This allows you to view details of a (public) tweet when knowing only its ID, without needing to access the Twitter API (which … Continue reading

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Two column <dl> with CSS Grid

Thanks to CSS Grid it’s really easy to make the <dt> and <dd> elements appear in two columns. The original code was created by Lea Verou. This altered version here plays nice with multiple successive <dt> and <dd> elements.

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PHP Session Locking: How to Prevent Blocking Requests

Today I learned about “PHP Session Locking”: PHP writes its session data to a file by default. When a request is made to a PHP script that starts the session (session_start()), this session file is locked. What this means is … Continue reading

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AnimojiStudio – Make Animoji Videos with Unlimited Duration

Record Animoji videos with unlimited duration with this standalone app. This app uses the private AvatarKit framework, the same one that’s used by Apple’s iMessage app. It leverages ReplayKit’s screen recording capabilities to allow for longer recordings than the standard … Continue reading

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react-native-maps-directions – Directions/Routing component for react-native-maps

One of the things I found missing in the aforementioned react-native-maps was the ability to route between to coordinates. Combining the feedback from the related issues on GitHub (#52, #778, and #929) I’ve created a standalone component that does exactly … Continue reading

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What’s new, Atlas?

It’s great – and also terrifying at the same time – to see how the Atlas evolves every year (see 2016, 2013, 2011)

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Expanding Grid Item Animation

Nice implementation of a master-detail view, inspired upon the Surf Project Dribble Shot by Filip Slováček (pictured above). You can see this kind of animations – where elements are reused and moved from one viewstate to the other – in … Continue reading

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