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peterellisjones / enumerable_functional_extensions.rb
Last active February 12, 2024 07:15
Some extensions to Ruby's Enumerable class to allow some fancy functional programming. More info here: http://ukoki.com/post/38615453403/extending-rubys-enumerable
#
# Extensions to Enumerable to add more functional operators
# More info here: http://ukoki.com/post/38615453403/extending-rubys-enumerable
#
module Enumerable
# example:
# [1,2,3].zip_map([1,2,3], [1,2,3]) { |x,y,z| x * y * z }
# => [1,8,27]
@peterellisjones
peterellisjones / Wikipedia Edit Data for 30 Dow Jones Companies
Created January 3, 2013 10:01
CSV Data. Each row contains information about an edit on the Wikipedia page for the 30 companies currently (2013-01-03) in the Dow Jones Industrial Average. Up to 5000 edits per company are provided. Each row contains: company name, company symbol, edit date/time, edit size (absolute). eg: McDonald's,MCD,2012-06-26 19:37:00 UTC,988
This file has been truncated, but you can view the full file.
3M,MMM,2012-12-21 11:23:00 UTC,20
3M,MMM,2012-12-21 11:18:00 UTC,35
3M,MMM,2012-12-11 04:42:00 UTC,2
3M,MMM,2012-12-09 10:59:00 UTC,15
3M,MMM,2012-11-08 14:15:00 UTC,15
3M,MMM,2012-11-05 20:35:00 UTC,154
3M,MMM,2012-10-29 11:22:00 UTC,33
3M,MMM,2012-10-24 05:18:00 UTC,4
3M,MMM,2012-10-08 10:26:00 UTC,24
3M,MMM,2012-10-08 10:26:00 UTC,24
@peterellisjones
peterellisjones / gist:fabf2bca3c9b201bf930
Created July 18, 2014 08:31
Binary search in Go
package main
import "fmt"
func binarySearchRec(elem int, array []int, accesses int) (bool, int) {
accesses += 1
if len(array) == 0 {
return false, accesses
} else if len(array) == 1 {
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peterellisjones / gist:426ced0eb025e00d0a94
Last active August 29, 2015 14:06
Create random arithmetic operations using numbers between 0 and 20
# returns a random operation that
# result in n. eg:
# randomOperation(20) => [4, '*', 5]
# randomOperation(10) => [20, '/', 2]
class RandomOperationGenerator
def initialize(min = 0, max = 20)
raise "min must be less than max" unless min < max
@min = min
@max = max
end
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peterellisjones / go.go
Last active August 29, 2015 14:07
Line 19 Compiles with Go 1.3.3
package main
import "fmt"
type poolJSON struct {
Clusters []clusterJSON `json:"clusters"`
}
type clusterJSON struct {
InstanceID string `json:"instance_id"`
@peterellisjones
peterellisjones / gist:288992fcf2e1e70df003
Created January 29, 2015 14:07
Unit testing external library calls in Meteor
# example class / prototype to test on the client
class ClientThing
clientFoo: ->
Meteor.call 'serverFoo', 'bar'
# client-side test
describe 'ClientThing', ->
clientThing = new ClientThing()
describe '#clientFoo', ->
it 'calls serverFoo with "bar"', (test) ->
@peterellisjones
peterellisjones / Subscription Aware React Router for Meteor
Last active August 29, 2015 14:23
@Router = React.createClass
mixins: [ReactMeteor.Mixin]
propTypes:
routes: React.PropTypes.arrayOf(
React.PropTypes.shape(
path: React.PropTypes.string.isRequired
render: React.PropTypes.func.isRequired
subscriptions: React.PropTypes.arrayOf(
React.PropTypes.shape(
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peterellisjones / Periodic Table Elements JSON Format
Last active August 12, 2016 16:27
{
"HYDROGEN": {
"atomic_number": 1,
"abbreviation": "H",
"atomic_weight": 1.008
},
"HELIUM": {
"atomic_number": 2,
"abbreviation": "He",
"atomic_weight": 4.003
@peterellisjones
peterellisjones / Chess Perft test positions
Last active January 31, 2024 02:21
Test positions for debugging chess engines. Formatted as JSON array of FEN strings
[
{
"depth":1,
"nodes":8,
"fen":"r6r/1b2k1bq/8/8/7B/8/8/R3K2R b KQ - 3 2"
},
{
"depth":1,
"nodes":8,
"fen":"8/8/8/2k5/2pP4/8/B7/4K3 b - d3 0 3"
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peterellisjones / vm_types.yaml
Created February 24, 2017 13:03
GCP custom vm types in terms of AWS vm sizes
vm_types:
- name: m3.medium
cloud_properties:
cpu: 1
ram: 3840
root_disk_size_gb: 10
root_disk_type: pd-ssd
ephemeral_external_ip: true
preemptible: true
- name: m3.large