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Kotlin “Server-less” Functions

A concept about single focus server functions written in Kotlin. Recently I found the need to create a Server-less Function for a project and was disappointed in both the lack of Kotlin options and the tightly-coupled, framework-specific code necessary to implement one. This lead me to ponder about how a Server-less Function could be implemented […]

Python at Scale: Strict Modules

Welcome to the third post in our series on Python at scale at Instagram! As we mentioned in the first post in the series, Instagram Server is a several-million-line Python monolith, and it moves quickly: hundreds of commits each day, deployed to production every few minutes. We’ve run into a few pain points working with […]

How Does the Development Mode Work? — overreacted

If your JavaScript codebase is even moderately complex, you probably have a way to bundle and run different code in development and production. Bundling and running different code in development and production is powerful. In development mode, React includes many warnings that help you find problems before they lead to bugs. However, the code necessary […]

iOS 8 App Extension Development Tips

Recently I’ve been working on some iOS 8 app extensions, and I’ve run into a few non-obvious details that might come in handy for anyone else in the same situation. Some of the following relates to bugs still in the system, and so will probably only be relevant for a limited time. Debugging: General The […]