Jacob Oscarson jacob414
jacob414
/ usig.coffee
Created
February 17, 2011 15:07
Micro global message bus in 4 LOC CoffeeScript
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| # Really, really tiny message bus | |
| # Yes, I know it leaks. | |
| usig._bus = {} | |
| usig.connect = (msg, cb) -> (usig._bus[msg] ?= []).push(cb) | |
| usig.signal = (msg, args...) -> | |
| cb args... for cb in usig._bus[msg] if usig._bus[msg] |
jacob414
/ groupby.coffee
Created
January 5, 2011 17:48
A grouping (see python's itertools.groupby()) function in CoffeeScript
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| # Edit 1, thx @satyr! | |
| groupby = (iter, keyfn) -> | |
| grouped = {} | |
| (grouped[keyfn e] ?= []).push e for e in iter | |
| grouped |
jacob414
/ repr.coffee
Created
December 9, 2010 11:17
Quick and dirty Javascript repr() function using CoffeeScript
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| repr = (o, depth=0, max=2) -> | |
| if depth > max | |
| '<..>' | |
| else | |
| switch typeof o | |
| when 'string' then "\"#{o.replace /"/g, '\\"'}\"" | |
| when 'function' then 'function' | |
| when 'object' | |
| if o is null then 'null' | |
| if _.isArray o |
jacob414
/ backbone-tutorial.js
Created
November 18, 2010 12:54
Minimal example of data handling in Backbone.js
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| /* Scaled-down Backbone.js demonstration | |
| * By Jacob Oscarson (http://twitter.com/jacob414), 2010 | |
| * MIT Licenced, see http://www.opensource.org/licenses/mit-license.php */ | |
| $(function() { | |
| window.ulog = function(msg) { $('#log').append($('<div>'+msg+'</div>')); } | |
| // Faking a little bit of Backbone.sync functionallity | |
| Backbone.sync = function(method, model, succeeded) { | |
| ulog('<strong>'+method + ":</strong> " + model.get('label')); | |
| if(typeof model.cid != 'undefined') { |
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