Philipp Hartenfeller




Hi my name is Philipp Hartenfeller and I am a software engineer from Germany.

I am mostly interested in full stack web dev, databases and especially JavaScript. I like to work with:

  • React
  • Gatsby
  • Web Components
  • Node.js
  • Go
  • GraphQL
  • REST
  • Postgres
  • Redis
  • Oracle
  • SQLite

This site is built and hosted withGatsby,TailwindCSS,TraefikandgoStatic


My Blog


APEX Security: only hiding buttons is not secure

Don't just hide Buttons when only some privileged users should be able to execute processes in Oracle APEX. With some JS you can still trigger them. Additionally use the read-only functionality where possible.

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How to change the default tap highlight color for Chrome mobile

Chrome on mobile has a default accessibility feature that automatically shows a blue overlay when a touchscreen user taps on a clickable element. This post shows how to change the color or disable it completely.

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