![var pg = require('pg'); !
//or native libpq bindings!
//var pg = require('pg').native!
!
var conString = "tcp://postgres:1234@localhost/postgres";!
!
// error handling omitted!
pg.connect(conString, function(err, client) {!
client.query("SELECT NOW() as when", function(err, result) {!
console.log("Row count: %d",result.rows.length); // 1!
console.log("Current year: %d", result.rows[0].when.getYear());!
});!
});!](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
More Related Content
Similar to CoffeeScript Lightning Talk
Recently uploaded
Recently uploaded (20)
CoffeeScript Lightning Talk
- 1. {" } } {" { { } }" } }{ {" { }{ } } _____ __ __" ( }{ }{ { ) / ____| / _|/ _|" .- { { } { }} -. | | ___ | |_| |_ ___ ___" ( ( } { } { } } ) | | / _ | _| _/ _ / _ " |`-..________ ..-'| | |___| (_) | | | || __/ __/" | | ________/|_| |_| ___|___|" | ;--." | (__ _____ _ _" | | ) ) / ____| (_) | |" | |/ / | (___ ___ _ __ _ _ __ | |_" | ( / ___ / __| '__| | '_ | __|" | |/ ____) | (__| | | | |_) | |_" | | |_____/ ___|_| |_| .__/ __|" `-.._________..-' | |" |_|" " .oooooo. ooooo ooooo ooooooooooooo ! d8P' `Y8b `888' `888' 8' 888 `8 ! Mark Wunsch @markwunsch! 888 888 888 ooooo 888 888 888 888 888 888 888 888 888 ! ! ! Exotic Programming Languages and the Web! `88. .88' `Y8bood8P' 888 o888o 888 o o888ooood8 888 o888o ! !
- 2. var pg = require('pg'); ! //or native libpq bindings! //var pg = require('pg').native! ! var conString = "tcp://postgres:1234@localhost/postgres";! ! // error handling omitted! pg.connect(conString, function(err, client) {! client.query("SELECT NOW() as when", function(err, result) {! console.log("Row count: %d",result.rows.length); // 1! console.log("Current year: %d", result.rows[0].when.getYear());! });! });!
- 4. • compiles into JavaScript! • JavaScript s object model! • the good parts ! • It s just JavaScript. !
- 5. fling = (img) ->! $('body').append img! img.show()! img.css! '-webkit-transform': "rotate(#{rando()}deg)"! 'top': root.parseInt(img.css('top'), 10) - rando 45! 'left': root.parseInt(img.css('left'), 10) - rando 45! 'opacity': 0! root.setTimeout (-> img.hide().remove()), 5000! rando = (multiplier = 10) ->! num = Math.ceil Math.random() * multiplier! if num % 2 then -num else num! skus = (sku for id, sku of order.skus)!
- 6. if pin.properties.count isnt 1! for order, index in pin.properties.orders when (Date.now() - ! » Date.parse order?.submission_date) > (config.expiration ? 180000)! class Mob! constructor: (@name) ->! ! move: (meters) ->! alert @name + " moved #{meters}m."! ! name = person.name! {name} = person! {name, age} = person! ! tag = "<impossible>"! [open, contents..., close] = tag.split("")!
- 7. But what about my debugger? Common concerns Compiled?
- 8. Thanks. Here are some links! • http://coffeescript.org! • https://github.com/jash kenas/coffee-script/wiki/List-of-languages-that-compile-to-JS! • Line Number Mapping: https://github.com/jashkenas/coffee-script/ issues/558! • Hello World in Dart: https://gist.github.com/1277224! • Smooth CoffeeScript: http://autotelicum.github.com/Smooth- CoffeeScript/! • The Little Book on CoffeeScript: http://arcturo.github.c om/library/coffeescript/! Mark Wunsch @markwunsch!