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How to clean up a Nix environment on (Debian Bookworm).
In the blog post Getting started with Nix Package Manager we covered how to install Nix. A quick follow up on that post to discuss how to clean up the environment.
The more you use Nix, the more relevant this post will be. So I separated out the details for the …
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How to use Nix on (Debian Bookworm).
"Nix builds packages in isolation from each other. This ensures that they are reproducible and don’t have undeclared dependencies, so if a package works on one machine, it will also work on another."
It may surprise you but Nix also has over …
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Convert CSV to JSON with JQ.
jq is like sed for JSON data - you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text.
In a previous post I covered the task of converting JSON to CSV.
- Reference: Convert JSON to CSV.
Recently I …
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Merging JSON files with JQ.
jq is like sed for JSON data - you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text.
If you have multiple JSON files that you want to combine, it can be tempting to write a program to perform this …
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A quick tutorial on using Imagemagick to remove a background colour from images. The image file format needs to support transparency e.g. PNG.
NOTE: JPG doesnt support transparency, so it would be necessary to convert the file.
There is also this method Imagemagick transparency I find the option below to be a bit more …
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