Consultancy - Research Lab - Incubator

based in beautiful Zürich, Switzerland

- 436 words - 3 min read

Frustration with slow and manual processes is probably my number one motivator to discover new tooling. Having lately worked with Swagger on a Json API I found myself in need of a tool to work with Json on the command line.

I tried a couple and just when I was about to make the decision that I want to try them all to find the best one my search was cut short when I tried jq. On the web site it claims: jq is like sed for JSON data. And come to think of it what would we do without...

- 325 words - 2 min read

TL;DR Use codegraph to visualize dependencies within a Clojure file. Codegraph applied to itself will for example generate this graph:

example codegraph graph

Here is how it works.

The other day I wished I had a visualization of the dependencies in a piece of ClojureScript code that over the course of the year has gotten a bit unwieldy. I did some thinking and some codeing and it turns out it's quite easy. Here are some of the highlights in code & images, but mostly code.

Reading a string and have it evaluates in Clojure is done with read-string. Reading a...

- 377 words - 2 min read

Amazon AWS has a nice command line client for their public cloud. This client is very well suited for automating tasks in many IaaS DevOps scenarios. However, it can also be used by a person. The scenarios to do so might be different than for automation, though.

A common scenario for looking into S3 is to want to list files ordered by date and including metadata. On a Unix machine, this would be an ls -lt. If it's a very long list of files, you might want to cap the list - which again is very easy to achieve, for...