jakl

Bitcoin Mining in Ubuntu

Get a Wallet

Coinbase has the best wallets around! Please use this link cause I get $5 referal bonus.

Locate a mine

jakl

//constructs a naive Bayes binary classifier
public NaiveBayes(double in[][], boolean out[]){
   int inputs = in[0].length ;
   //initialize sums and sums of squares for each class
   double[] poss = new double[inputs], poss2 = new double[inputs];
   double[] negs = new double[inputs], negs2 = new double[inputs];
   //calculate amount of each class, sums, and sums of squares
   for(int k=0;k<in.length;k++){//for each data point
      if(out[k]){
         positives++;//keep track of total positives

jakl

#!/usr/bin/env ruby

# Find the index(es) in an array of integers where sums above and below are equal

def solution(a)
  sum = a.reduce(:+)

  return -1 unless sum
  return 0 if sum - a[0] == 0

jakl

Factory Girl in TTC

Official Factory Girl Docs

spec/factories/project.rb

Here we demonstrate:

jakl

# Warning: Operates on binary files - make sure to have all files in git to revert them!

# remove trailing whitespace recursively in a repo
find . -type f -not -iwholename '*.git*' | xargs sed -i -r 's/[   ]+$//' # [] contains a space and a tab

# convert tabs to spaces:
find . -type f -not -iwholename '*.git*' | xargs sed -i -r 's/  /  /g' # s/1/2/g ... 1 is a tab, 2 is two spaces

# revert binary files
git diff | grep Binary | sed 's/^Binary files a\///' | sed 's/ and .*$//' | xargs git checkout

jakl

var twtxt = require('twitter-text')

// Input / output user facing elements
var explanation = document.createElement('div')
var input = document.createElement('input')
var output = document.createElement('div')
document.body.appendChild(explanation)
document.body.appendChild(input)
document.body.appendChild(output)

jakl

var twtxt = require('twitter-text')

// Input / output user facing elements
var explanation = document.createElement('div')
var input = document.createElement('input')
var output = document.createElement('div')
document.body.appendChild(explanation)
document.body.appendChild(input)
document.body.appendChild(output)

jakl

<style type='text/css'> html, body { margin: 0; padding: 0; border: 0; } </style>

jakl

// require something
require('twitter-text')

jakl

#!/usr/bin/env coffee
argf = new (require './argf.js')()
md5 = require 'md5'
HASH = '12345678123456781234567812345678'

argf.forEach (line)->
  if md5.digest_s(line.replace('\\n', '\n')) is HASH
    console.log line