coderefinery

NFTs are Pandora’s Box

I was recently exposed to the idea of Non-Fungible Tokens (NFTs) through Twitter. I’ve struggled to wrap my head around them ever since. What does it mean that people are willing to pay millions to own a Tweet or JPEG? How does that sentence make any sense? And why do the concept of NFTs reliably …

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There And Back Again on Code Comments

It’s interesting how learning is sometimes like travel. At the end of the journey, you end up back where you started, only with a broadened perspective. Trivial example: code comments. As a new programmer, I commented my code extensively. This was probably to compensate for my difficulties in reading code. It also allowed me to …

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How to Display Selected WordPress Posts in a Sidebar (no plugins or HTML)

To show a specific selection of your posts in the sidebar, contrary to what some top-ranking search results will tell you, you don’t need to install yet another spammy WP plugin or write any HTML. All you need is the standard Text widget. Here’s how to add your own “selected posts” section. Steps: Go to …

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Publishing your node service with DNS-SD/mDNS from an Alpine Linux docker container

Multicast DNS service discovery, aka. Zeroconf or Bonjour, is a useful means of making your node app (e.g. multiplayer game or IoT project) easily discoverable to clients on the same local network. The node_mdns module worked out-of-the-box on my Mac. Unfortunately things weren’t as straightforward on a node-alpine docker container running on Raspberry Pi Zero, …

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