kumikoda

function someAsyncFn (cb) {
  if (somethingWrong) {
    cb(err)  
  } else {
    cb(null, 'yay')
  }
  
  ...
  
  // potentially some things happen here

kumikoda

function getData (callback) {
    try {
        var data = JSON.parse('hello world!') // attempt something dangerous here
        callback(null, data);
    }  catch (e) {
        // we only want to catch errors if JSON.parse fails
        console.log('i should never print since above parsing always works')
        callback(e)
    }

kumikoda

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

kumikoda

// https://tour.golang.org/moretypes/14

package main

import "code.google.com/p/go-tour/pic"

func Pic(dx, dy int) [][]uint8 {
	s := make([][]uint8, dy)
	for x := range s {
		s[x] = make([]uint8, dx)

kumikoda

package main

import (
	"code.google.com/p/go-tour/wc"
	"strings"
	"fmt"
)

func WordCount(s string) map[string]int {
	result := make(map[string]int)

kumikoda

package main

import "fmt"

// fibonacci is a function that returns
// a function that returns an int.
func fibonacci() func() int {
	a,b := 0,1
	return func() int {
		a,b = b, a+b

kumikoda

package main

import "fmt"

type IPAddr [4]byte

// TODO: Add a "String() string" method to IPAddr.
func (ip IPAddr) String() string {
	return fmt.Sprintf("%v.%v.%v.%v", ip[0], ip[1], ip[2], ip[3])
}

kumikoda

package main

import (
	"fmt"
	"math"
)

type ErrNegativeSqrt float64

func (e ErrNegativeSqrt) Error() string {

kumikoda

better manager positive 
fierce leader inspire find things cool  (go) 
communication, responsiveness, on call awesomeness

interaction with other teams 


----------

kumikoda

package main

import (
	"io"
	"os"
	"strings"
)

type rot13Reader struct {
	r io.Reader