bouzuya

require('espower-babel')({
  cwd: process.cwd(),
  pattern: 'tmp/test/**/*-test.js',
  espowerOptions: {
      patterns: [
          'assert(value, [message])',
          'assert.ok(value, [message])',
          'assert.equal(actual, expected, [message])',
          'assert.notEqual(actual, expected, [message])',
          'assert.strictEqual(actual, expected, [message])',

bouzuya

• E2E Testing Framework
  • DalekJS ...
  • Intern ... based on Leadfoot
  • Leadfoot ...
  • Nightwatch ...
  • Protractor ... based on WebDriverJS
  • Testium ...
  • WD.js ...
  • Webdriver-sync ...
• WebdriverIO ...

bouzuya

{}

bouzuya

$ npm ls
most-perf@0.10.0 /Users/yamauchi/.ghq/github.com/cujojs/most/test/perf
├── @reactivex/rxjs@5.0.0-beta.0
├── baconjs@0.7.83
├─┬ benchmark@2.0.0-pre (git://github.com/bestiejs/benchmark.js.git#d996372edec2da9f7265b0d9d5138542d0b756ec)
│ ├── lodash-compat@3.10.1
│ └── platform@1.3.0
├── highland@2.5.1
├── kefir@3.2.0
├── lodash@3.10.1

bouzuya

// RxJS CurrentThreadScheduler
const queue = [];
const enqueue = (action) => queue.push(action);
const peek = () => queue[0];
const dequeue = () => queue.shift();
const run = () => {
  while (queue.length > 0) {
    const action = peek();
    action();
    dequeue();

bouzuya

# No Scheduler
# No Observer (onError & onCompleted)
# No Disposable

class Observable
  @from: (array) ->
    new FromObservable(array)

  filter: (predicate) ->
    new FilterObservable(@, predicate)

bouzuya

AWS CLI (aws-cli) の query (JMESPath) メモ

• 【個人メモ】JSONのパースにjmespathを使ってみよう - Qiita
• AWS CLI の --query で複数のタグでインスタンスを検索 - Qiita
• AWS CLIのフィルターとクエリーの使い方についてまとめてみた ｜ Developers.IO
• aws-cli で使える –query = jmespath をガッツリ使い込む | cloudpack技術情報サイト
• JMESPath — JMESPath
• jq - AWS CLIを使ってEC2インスタンスの情報を取得する - Qiita

AWS CLI は 1.2 以降で --query オプションが追加されている。ここでは JMESPath による query を指定できる。

bouzuya

describe 'distinctUntilChanged', ->
  it 'comparer', ->
    isEqual = require 'lodash.isequal'
    subjectX = new Rx.Subject()
    subjectX
    .distinctUntilChanged null, isEqual
    .toArray()
    .subscribe (a) ->
      # currentKey was updated by `o.value = 2`
      assert a.length is 1

bouzuya

package main

import "fmt"

func f(a [6]int) {
    a[0] = 100
}

func g(s []int) {
    s[0] = 100

bouzuya

package main

import "fmt"
import "math"

func Sqrt(x float64) float64 {
	var z float64 = 1.0
	for i := 0; i < 10; i++ {
		z = z - (z*z-x)/(2*z)
	}