(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
/*eslint-env es6 */ | |
// Inspired by the paper "A tutorial on the universality and | |
// expressiveness of fold" by Graham Hutton (available at | |
// http://www.cs.nott.ac.uk/~gmh/fold.pdf), implementing some generic | |
// list handling functions in JavaScript in terms of `fold`. | |
// Personally I had an enlightnening moment when I realised the | |
// beautiful interplay of cons lists and foldr during the FP101x | |
// Haskell course. JavaScript's syntax doesn't make this very apparent |
// ES7, async/await | |
function sleep(ms = 0) { | |
return new Promise(r => setTimeout(r, ms)); | |
} | |
(async () => { | |
console.log('a'); | |
await sleep(1000); | |
console.log('b'); | |
})() |
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
(ns lisp-ch1) | |
(def self-evaluating? | |
(some-fn number? string? char? | |
true? false? vector?)) | |
(defn -atom? [s] | |
(or (self-evaluating? s) | |
(symbol? s))) |
// Media Queries in Sass 3.2 | |
// | |
// These mixins make media queries a breeze with Sass. | |
// The media queries from mobile up until desktop all | |
// trigger at different points along the way | |
// | |
// And important point to remember is that and width | |
// over the portrait width is considered to be part of the | |
// landscape width. This allows us to capture widths of devices | |
// that might not fit the dimensions exactly. This means the break |
var oldSync = Backbone.sync; | |
Backbone.sync = function(method, model, options){ | |
options.beforeSend = function(xhr){ | |
xhr.setRequestHeader('X-CSRFToken', CSRF_TOKEN); | |
}; | |
return oldSync(method, model, options); | |
}; |
# install git | |
sudo apt-get install g++ curl libssl-dev apache2-utils | |
sudo apt-get install git-core | |
# download the Node source, compile and install it | |
git clone https://github.com/joyent/node.git | |
cd node | |
./configure | |
make | |
sudo make install | |
# install the Node package manager for later use |