We are breaking up. I'm sorry, it's not you, it's me. I really like you, but I feel like now is that time in my life where I grow up and face some big challenges and decisions. The first time I saw you, I couldn't take my eyes off of your beautiful list comprehensions. Your arrow functions were amazing. I bet you remember all the special moments we had together. It was pretty fantastic. It was lov
fp.js is a tiny library to help keep d3.js dom manipulation code clean. Update (December 29, 2013) # Upgraded to support the format at the bottom. Check out this rewrite of the d3.js Grouped Bar Chart Example using fp.js. I write a lot of d3.js code and most dom manipulation code got complicated and hard to maintain. With fp.js attributes, styles and events can be set easily. But the most importan
Don't use CoffeeScript The past few days I noticed a few things about CoffeeScript, and how it can be a big performance issue in the long term. I'm going start out by saying that CoffeeScript is a great language if you know what you're doing. Also, I'm not going to be talking about why the syntax can be unreadable at times. CoffeeScript is convenient for developers, and not for the engines. Someth
I’m a big fan of CoffeeScript. Daniel and I built all of Thingdom in it, and we at FiftyThree are building our next product entirely in it, as well. Other JavaScript developers aren’t in such love. CoffeeScript has become a subject of great controversy, and it’s created a sharp divide in the community and ecosystem. There’s nothing wrong with people disliking things, of course, or different people
It's a Mad, Mad, Mad, Mad World: Scoping in CoffeeScript and JavaScript “I’ve been mad for fucking years, absolutely years, been over the edge for yonks, been working me buns off for bands…” “I’ve always been mad, I know I’ve been mad, like the most of us…very hard to explain why you’re mad, even if you’re not mad…” –“Speak to Me,” Nick Mason coffeescript CoffeeScript, as many people know, is a tr
Generator support in CoffeeScript _ _ _ ___ _ _ _ _ /_\ | |_ __ ___ __| |_ / _ \| |__ ___ ___| |___| |_ ___ _ _ ___| |_ / _ \| | ' \/ _ (_-< _| (_) | '_ (_-</ _ \ / -_) _/ -_)_| ' \/ -_) _| /_/ \_\_|_|_|_\___/__/\__|\___/|_.__/__/\___/_\___|\__\___(_)_||_\___|\__| In Glorious ASCII-VISION Summary: I added generator support to CoffeeScript, my fork is on GitHub and there's an example webserver port
Spectacular is a BDD framework for CoffeeScript and JavaScript whose attempt to bring the power of RSpec to JavaScript. Spectacular tries to favor the best practices used for writing better RSpec tests in its design. These are the kind of tests you can write with Spectacular: describe Array, -> given 'item', -> foo: 'bar' it -> should exist itsInstance 'length', -> should equal 0 describe '::index
Firefox 22(Nightly) で ArrowFunction が実装されたが、扱いが難しい - hogehoge @teramako id:teramakoさんの記事を読んで、ES.nextのArrow Functionって単純な省略記法じゃないんだーっとか思ったけど、よく考えたらCoffeeScriptだってfat arrowならthisをbindするわけで、むしろ自然だし便利ですよねと思い直しただけの記事です。 ES.next var obj = { threshold: 3, getOverThreshold: function (items) { return items.filter(n => n > this.threshold); } }; filterメソッドの中を普通のfunctionで定義しちゃうとthisがglobalオブジェクトになっちゃうんでselfとか
Demo Wiggle Stereoscopy Wiggle stereoscopy is probably the cheapest trick to give your brain a 3D feeling. While most technics try to take advantage of binocular vision by giving your left eye and your right eye different pictures, wiggle stereoscopy is just about looping on a couple of pictures with a slight shift of point of view. Your brain will interpret the parallax and give you a sense of 3D
PLEASE SEE THE UPDATE AT THE BOTTOM I’ve been working on a project of mine for the past few days that I had previously neglected. It’s called Beats.IO, and it’s a fun little tool for making music by writing code. Backstory A whole bunch of years ago, I read an article called Hacking Perl in Nightclubs. I thought it was the coolest thing ever. It introduced me to something called live-coding, and i
In Paris, this past November, I had the privilege of talking about CoffeeScript and symbiotic programming languages for a twenty minutes in a beautiful theater, at the inaugural dotJS conference. The talk was recently posted: ...
In the previous post I presented the basics of operational semantics and showed how derivations trees can be used to differentiate two terms that are syntactically similar. This post develops the closing thoughts further with the introduction of type rules, example tools for automating evaluation and type derivation, and a concrete definition of semantic ambiguity. The primary goal is to establish
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