There is an interesting article over on sqlservercentral.com that gives four rules for using null values in databases. Its quite an interesting read for anyone starting out with databases. The article is biased to SQL Server, but a lot of the article is relevant to other database engines as well.
Introduction I've recently started learning React. I've been a backend developer for a long time, but have started to love doing client side work. As they say, the best way to learn is to practise. So here is a simple joke application that I've written in React. The source code for the application can be found on GitHub at: https://github.com/doobrie/react-joke Creating the project Whilst practising, I've quite often created projects from scratch, but this is quite tedious as the same steps need to be taken for each project. I needed to create the project structure, configure Babel, write some control scripts etc. Instead of doing that this time, I've used the create-react-app tool to scaffold the basics of an application. npx create-react-app This sets up everything that you need to get started with a React app. Coding As this is a simple project, I've created one react component, function app() . I've created this as a functional c...
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