Ondřej Chrastina
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Veiw from the up f the hill

Journal

Personal sites are full of blogs and loooong posts. I do like the ones that take 2 minutes to read and you learn something new. I would like to use this form to gather my gotchas from my DevRel career primarily to have the record of the solution at one place and maybe it might help others too.

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From Prototype to Purpose: The Journey of Our Custom Elements at Kontent.ai

Mon Feb 17 2025

Blogpost detailing our journey from a simple showcase to a comprehensive custom element gallery at Kontent.ai, sharing insights on how my team and I evolved the project to empower developers and enhance our headless CMS capabilities.

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How I Turned Kubernetes Into a Fun, Kid-Friendly YouTube Short

Sun Feb 16 2025

Join me, Ondřej Chrastina, on a creative journey to discover how Kubernetes is transformed into a fun, kid-friendly video by breaking down complex tech into simple, engaging concepts using tools like ChatGPT, ElevenLabs, and Canva.

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Hacky way to check if content item is a component

Mon Jun 07 2021

This little gotcha might help you to decide whether you item is a content item, or a content component. What is that good for? Content components are always returned as a part of the parent item and can't be fetched solely. This condition can help you i.e. with caching.

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Get Kontent Project ID from the Management API key

Sun Mar 21 2021

It is possible to parse out Kontent Project ID out of the Management API Key. That means no more necessity to ask for two keys for your Kontent tools.

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Jamstack on .NET: From zero to hero with Statiq and Kontent

Mon Nov 30 2020

How to start building Jamstack Apps in .NET utilizing Statiq and headless CMS.

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Test out Javascript async await easily

Sat Aug 29 2020

Have you been struggling with some NPM library providing async API? It is surprisingly easy to set up a playground capable of Javascript async, await. Let's get to it!

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Specify folder when uploading Asset via Kontent JS Management SDK

Fri Jul 31 2020

It is great that Kentico Kontent Management REST API allows uploading the assets, but how to upload an asset under a specific folder and how to achieve it via Javascript Management SDK?
Originally this question was asked on StackOverflow.

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Kill the process occupying your port

Mon Jul 27 2020

Have you encounter with exception like "Address already in use: bind"? If you have been doing web development I have no doubt you have! Now you need to find the bas**rd and kill the process. But how to do that quickly on Windows?

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JS "map" in Java

Fri Jul 24 2020

How to transform all items in a List or Array  to another array? If you come from JavaScript world mean map method, in .Net, you would use LINQ and Select method.
But how is that in Java 8?

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