Skip to content

Instantly share code, notes, and snippets.

View sferik's full-sized avatar

Erik Berlin sferik

2.6k followers · 85 following
View GitHub Profile
@sferik
sferik / gist:7324739
Last active December 27, 2015 12:19 — forked from anonymous/gist:7324533
# Node A:
# iex --sname "nodea"
Process.register self, :iex
# Blocking
receive do
{ :hello, pid } ->
IO.puts "Hello from #{inspect(pid)}"
end
@sferik
sferik / future.ex
Last active October 23, 2018 18:46 — forked from josephwilk/future.ex
defmodule Future do
def new(fun) do
fn(x) ->
spawn_link fn ->
value = try do
{ :ok, fun.(x) }
rescue
e -> { :error, e }
end
@sferik
sferik / classes.rb
Created June 20, 2013 15:06
graph = {}
ObjectSpace.each_object(Class) do |klass|
sup = klass.superclass and graph[klass] = sup
end
puts "digraph{"
graph.map do |key, value|
puts %("#{key}"\n"#{key}"->"#{value}")
end
puts"}"
@sferik
sferik / square.rb
Last active December 18, 2015 16:09
class Square < Rectangle
def initialize(side)
@side = side
end
def height
@side
end
@sferik
sferik / 20130611021300_create_users.rb
Created June 11, 2013 02:34
class CreateUsers < ActiveRecord::Migration
def change
create_table :users do |t|
t.string :name
t.timestamps
end
end
end
@sferik
sferik / search_results.csv
Last active December 18, 2015 02:29
search_id rank property_id price
3 1 8011 3787
4 1 326 752
5 1 7973 780
5 2 87 13580
5 3 5265 19920
6 1 5981 8349
7 1 5814 6585
9 1 3942 14780
10 1 6925 11286
@sferik
sferik / eriks_array.rb
Created June 4, 2013 23:51
# [X] length/size
# [X] push
# [X] [] (slice)
# [X] pop
# [X] first
# [X] last
# [X] shift
# [X] unshift
# [X] each
# [X] select/reject/collect/inject
@sferik
sferik / wft_range_include.rb
Created June 2, 2013 09:50
a = 1 # one
b = a - 1 # zero
(b..a).include?(a) #=> true
(b..a).include?(a.to_f) #=> true
(b..a).include?(0.5) #=> true
a = DateTime.now # now
b = a - 1 # 24 hours ago
(b..a).include?(a) #=> true
(b..a).include?(a.to_date) #=> false
@sferik
sferik / app.js
Created May 24, 2013 23:40
var server = require('http').createServer(serveFile);
var fs = require('fs');
var ntwitter = require("ntwitter");
var io = require('socket.io').listen(server);
function serveFile(request, response){
fs.readFile(__dirname + '/index.html', function(error, data){
if(error) {
response.writeHead(404, {'Content-Type': 'text/html'});
response.write("<html><body>No drank for you!</body></html>");
@sferik
sferik / twitter.js
Created May 24, 2013 19:32
var ntwitter = require("ntwitter");
var client = new ntwitter({
consumer_key: process.env["TWITTER_CONSUMER_KEY"],
consumer_secret: process.env["TWITTER_CONSUMER_SECRET"],
access_token_key: process.env["TWITTER_ACCESS_TOKEN"],
access_token_secret: process.env["TWITTER_ACCESS_SECRET"]
});
var coffee, tea, wine, beer, water;