- SQLzoo XOR solutionI was feeling good about the speed that I was progressing through the early SQLzoo SQL tutorials. Then I hit question eight in the “SELECT FROM world” tutorial, and couldn’t work out what response the question was seeking. ItContinue reading “SQLzoo XOR solution”
- Swapping two variable values without using a third valueI have been cautiously dipping my toe into the Odin Project, an open-source online resource for learning to code. One of the downsides of the project is that it specifically tells you not to get lured down rabbit-holes, beforeContinue reading “Swapping two variable values without using a third value”
- Introducing the Slow Ways projectA recorded webinar introducing this project to link the UK’s major destinations with direct walking routes is available on YouTube.
- No drop wasted: let’s build a tool to reallocate spare COVID vaccineThe need to dispose of viable COVID-19 vaccine is repugnant. Of course, it is easy to understand why this occurs, even when all participants in the system are behaving with the best of intentions. The vaccines have expiry dates and complex handling requirements. Some patients fail to show up for their appointments. Yet an understandable situation is not a tolerable one. More than that, we have a moral imperative to explore every means to avoid vaccine waste.
Regulation, reputation, and public policy