Elad Shechter published a great Complete Guide To Responsive Images on Medium, going into details on all the different ways and options to implement responsive images.
Microsoft have released a set of videos for learning about the .Net platform, including videos about C#, Visual Studio, ML.Net, Containers and Xamarin.
Jason Grigsby on Cloudfour posted an interesting article about how an misconfigured UI mask which caused the browser autofill of credit card details to fail on the Chipotle payment form, possibly costing them $4.4M in lost sales.
Wenbin Fang published an interesting behind the scenes post on the tools and processes he uses to run one person internet company Listen Notes. Listen Notes is a podcast search engine and playlist maker which runs on AWS and uses a host of SaaS products and web tools to stay alive.
Can I Email is a handy reference tool that shows the support of different HMTL and CSS across email clients on different platforms, similar to Can I Use for browser compatability.
Smashing Magazine has a handy tutorial on how front-end developers can start learning machine learning. The post describes how to use a pre-trained model, transfer learning and a custom model using Tensorflow.js.
The New York Times have made public the data training material they provide to their journalists. Their three week internal course starts ar data handling from surveys and works up to creating data stories combining multiple data sources.
Tim Nolet of Checkly published a helpful case study on how he captures feedback from his constumers on the SaaS product Checkly. The post describes their eperiences at using Hotjar to capture bugs from users, Drift chat to communicate with users, deploying a survey and a public roadmap of features.