The Elements of Drawing Assistant

Answers questions on Edward Johnston's Writing & Illuminating, & Lettering: broad-pen tools, cutting quills, letter forms and page layout, quoting the text from Project Gutenberg (public domain) and naming the chapter.

Answers questions on Edward Morse's Japanese Homes and Their Surroundings: construction, tatami, interiors, gardens and household details, quoting the text from Project Gutenberg (public domain) and naming the chapter.

Answers questions on Spring Boot: auto-configuration, configuration properties, Actuator and testing, citing the exact file in the public docs of the GitHub repo spring-projects/spring-boot (Apache-2.0). Not an official Spring product.

Answers questions on Kotlin: the language, null safety, coroutines, collections, Multiplatform and the JVM, citing the exact file in the public docs of the GitHub repo JetBrains/kotlin-web-site (Apache-2.0). Not an official Kotlin product.

Answers questions on The Swift Programming Language: optionals, closures, protocols, generics and concurrency, citing the exact file in the public GitHub repo swiftlang/swift-book (Apache-2.0). Not an official Swift product.

Answers questions on the Node.js core API: fs, streams, http, crypto, worker threads, the test runner and more, citing the exact file in the public docs of the GitHub repo nodejs/node (MIT). Not an official Node.js product.