GraphQL tip: Only make fields required if they are present for all users

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October 19, 2024

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GraphQL tip: Have the subscription types contain all filterable fields on the top-level.

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September 25, 2024

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How things work matters

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September 23, 2024

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The twists of the Ballmer puzzle

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September 20, 2024

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GraphQL non-nullable fields can lead to cascading null errors.

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September 19, 2024

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AWS

CloudTrail

EventBridge

[Article] CloudTrail's horrible developer experience

CloudTrail has probably the worst developer experience I had with AWS recently. CloudTrail itself is an immensely useful service: it gives insights into the events that are happening in an account, such as who made changes to what resource, console logins, and also to some extent who accessed what.

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Tamás Sallai

September 17, 2024

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Apollo's subscribeToMore is the wrong abstraction

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September 15, 2024

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AWS

CloudFormation

IAM

Security

[Article] AWS management account starter pack

There are a couple of best practices when setting up a new management account in AWS. My current list:

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Tamás Sallai

August 27, 2024

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TTS

NodeJs

[Article] Dataset preparation for training a neural text-to-speech model with Piper TTS

The most enjoyable type of programming for me is to have a set of simple tools that I can use to implement complex functionality. This article describes one occasion where I wanted to convert a bunch of audio files to a format that can be used to train a neural text-to-speech model. And the tools I could use was Whisper for speech-to-text, ffmpeg for some generic audio processing, and NodeJS that is my daily driver for anything programming related.

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Tamás Sallai

August 13, 2024

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AWS

Security

CloudFormation

[Article] How to auto-disable leaked IAM credentials

I'm building a personal backup solution based on AWS S3. Part of that is giving access to a local process running on my laptop and phone to read and write the contents of a bucket. The way to do it is to create an IAM user, generate an access key for it, and store it locally.

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Tamás Sallai

July 30, 2024

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