JavaScript
A good presentation for JavaScript learners. The speaker, Angus Croll, pointed out in the speaking that there were some blind sides in JavaScript community. Although it was in 2013, the message is still valid today and in the future, non only in the domains of JavaScript and Programming Language but
node.js
JavaScript callbacks are not readable when nested in many layers. Async [https://www.npmjs.com/package/async] library is a great tool to overcome this. I find a good tutorial [http://www.sebastianseilund.com/nodejs-async-in-practice] with case examples written by Sebastian Seilund. Introduced control flows are: * async.parallel([taskFunctions], finalCallback)
JavaScript
Currying is a technique to bind a function to a subset of arguments (Effective JavaScript by David Herman, p.75). In the example, we can see that two arguments (protocol and domain) are passed as the arguments of the function simpleURL, when it is used in the higher-order function, that