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Notes and write-ups
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Why use multiple unsubscribe groups when sending emails
We all know how annoying all those emails that we receive from various websites might be, especially when we don’t expect them. So naturally, there should be an option to unsubscribe. However there are some things that you have to be careful about.
Travelling around Argentina
This article recounts a journey across Argentina, highlighting logistical challenges and practical advice for navigating the country's unique infrastructure. It provides insights into managing local payments, transportation, and connectivity across diverse regions from Patagonia to the Andean north. The account serves as a guide for others planning a similar trip through this expansive and varied landscape.
Feature Flags
Feature flags provide a mechanism to toggle specific application logic without requiring a full code redeployment. They offer a reliable way to manage service dependencies, handle incident responses, and facilitate gradual feature rollouts. Maintaining clean code necessitates regularly auditing and removing these flags once they are no longer required.
Showing the active Firebase project in the command line
Managing multiple Firebase environments can be error-prone when relying on manual commands to verify the current context. A custom shell integration provides a persistent visual indicator of the active project directly within the command prompt. This approach prevents accidental deployments to the wrong environment by referencing local configuration files automatically.
How We Migrated All User Files to AWS S3
Migrating a large volume of user files between cloud providers requires careful planning to maintain service stability and data integrity. This process explores the transition from initial sequential scripts to a highly parallelized architecture capable of handling millions of records efficiently. The final approach demonstrates how optimizing infrastructure and leveraging worker-based processing can significantly improve performance and resource utilization.
Sharing gRPC protobufs between microservices
Maintaining consistent Protocol Buffer definitions across multiple independent microservices can be a challenge. This approach uses a centralized repository for proto files and automates the generation of language-specific client libraries. Versioned output repositories are then integrated into projects to ensure API stability and simplified dependency management.
Automatically pausing Spotify on macOS
Managing media playback timing on desktop devices often requires custom solutions for automated interruptions. This approach uses shell scripting to bridge system controls with application commands. It provides a straightforward method to ensure audio playback ceases after a specified duration on macOS.
When dream comes true (USA trip)
This trip report chronicles an initial journey through major North American cities after years of saving. It highlights experiences exploring iconic urban landmarks, bustling cityscapes, and popular tourist destinations. The account captures the excitement and wonder of visiting long-awaited locations for the first time.
Watching your UNIX scripts
Maintaining long-running background processes can be a challenge in restricted hosting environments where traditional supervisor tools are unavailable. A lightweight bash script can effectively monitor command execution and ensure processes restart automatically upon failure. This approach provides a simple, dependency-free method to maintain service reliability without requiring extra infrastructure.