alextanhongpin

package main

import (
	"context"
	"fmt"
	"strconv"

	elastic "gopkg.in/olivere/elastic.v5"
)

alextanhongpin

import re
import json

country_codes = []

with open('./flags.css', 'r') as f:
    lines = [x for x in f.readlines()]
    for _, line in enumerate(lines):
        out = re.match(r'\.flag\.flag-(.*)\s\{', line)
        if out:

alextanhongpin

package main

import (
	"encoding/json"
	"fmt"
	"strconv"
	"strings"
	"time"
)

alextanhongpin

package main

import (
	"context"
	"log"
	"net/http"
	"os"
	"os/signal"
	"time"
)

alextanhongpin

// Concatenating strings directly

const firstName = 'john'
const lastName = 'doe'

// Bad, fullName(null, null) will return "null null"
function fullName (firstName, lastName) {
  return firstName + ' ' + lastName
}

alextanhongpin

Arrow function is faster than class or function:

class Foo {
  doSomething() {}
}

// Fastest
const Foo = () => {
 // do something

alextanhongpin

// sample queries from github.api for specific requests

const searchUsersInMalaysia = 'https://api.github.com/search/users?q=location:malaysia'

alextanhongpin

const DBFactory = (name) => {
 switch (name) {
   case 'mongodb': return MongoDB()
   case 'rethinkdb': return RethinkDB()
   case 'redis': return Redis()
   // For testing/mocking
   case 'inmemory': return InMemory()
 }
}

alextanhongpin

package main

import (
	"encoding/json"
	"fmt"
)

// This program demonstrates a simple conversion from one type to another
// Available from go1.8 onwards

alextanhongpin

package main

import (
	// "fmt"
	"log"
	"time"
)

func delay100() bool {
	time.Sleep(1 * time.Second)