sampathsl

package main

import (
    "database/sql"
    "log"
    _ "github.com/go-sql-driver/mysql"
)

func main() {
    db, err := sql.Open("mysql", "root:@tcp(:3306)/test")

sampathsl

byte-size tuts

by alexander white ©

golang tutorials

• 0 - installation on a Mac
• 1 - packages
• 2 - remote packages
• 3 - variable syntax
• 4 - functions syntax
• 5 - loops syntax

sampathsl

The Case For Go

• Iron.io: How We Went from 30 Servers to 2 with Go
• Go at Google: Language Design in the Service of Software Engineering
• Behind the Scenes: Big Data at Torbit
• pool.ntp.org DNS server in Go
• Juju at Canonical
• Go at bitly
• NSQ: realtime distributed message processing at scale

sampathsl

package main

import (
	"fmt"
)

type Node struct {
	Value int
}

sampathsl

// Code that uses other library's $ can follow here.
var jQuery = $.noConflict(true);

sampathsl

jQuery.noConflict();

sampathsl

class Vehicle {
    constructor(){
        this.type = 'Vehicle';
    }
    getBrand(val){
        console.log('Type: ' + val + ', This is a ' + this.type);
    }
}

class Car extends Vehicle{

sampathsl

const PI = Math.PI;
console.log(PI);

//Can not assign value - TypeError: invalid assignment to const 'PI'
//PI = '1';

sampathsl

let checkDataLet = 'Test';

console.log('Outside let showES6Features: ' + checkDataLet);

while(true){
    //let key word
    let checkDataLet = 'Poop!';
    console.log('Inside let showES6Features: ' + checkDataLet);
    break;
}

sampathsl

//ES 5
function isBigEnough(value) {
    return value >= 10;
}
var filtered = [12, 5, 8, 130, 44].filter(isBigEnough);
console.log(filtered);

//ES 6
let filtered_extended = [12, 5, 8, 130, 44].filter((e) => {
    return e >= 10;