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The first time I learned about snapshot testing was in the context of front-end testing. It made a lot of sense. Writing an assertion-based test to check if a component was correctly rendered as HTML is tricky. And difficulty grows with the complexity of the output. Snapshot testing seemed a reasonable technique to get the job done, even with some caveats.

In this blog post, explore the unique challenges of Continuous Deployment in native mobile apps, including the complexities of app store distribution and rollback limitations, and discover insights on navigating these hurdles while striving for efficient CI/CD workflows in mobile development.

If you are into programming, you might have used commands like cp, mv, cat, etc, to perform different operations using a text interface like bash or Windows PowerShell. This article discusses implementing command-line applications in Python with functionalities such as keyword arguments, flags, positional arguments, and mode selection. It also discusses how to implement the Linux head command in Python.

In iOS, WebSockets enable real-time communication between a client (an iOS app) and a server. Unlike traditional HTTP connections which are stateless, short-lived and request data on demand, WebSockets use a single long-lived connection to send and receive data simultaneously. This significantly reduces response times which is crucial for apps that rely on instant updates and live data to support functions such as chat and multiplayer games.

In this post, we'll add file upload capabilities to a Phoenix LiveView application and directly upload files to Amazon S3. Without further ado, let's get started!