ledongthuc

set nocompatible              
filetype off                  

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'

ledongthuc

package main

import (
	"crypto/md5"
	"fmt"
	"html/template"
	"io"
	"io/ioutil"
	"log"
	"net/http"

ledongthuc

// func make([]T, len, cap) []T

var list []int
list = make([]int, 5, 50)
list == []int{1, 2, 3, 4, 5}

ledongthuc

fatal error: runtime: out of memory

runtime stack:
runtime.throw(0xd4b870, 0x16)
	/home/sss/go/src/runtime/panic.go:530 +0x90
runtime.sysMap(0xc88b750000, 0x2f120000, 0xc8204ec000, 0x1113238)
	/home/sss/go/src/runtime/mem_linux.go:206 +0x9b
runtime.(*mheap).sysAlloc(0x10f8c60, 0x2f120000, 0x2000000000002)
	/home/sss/go/src/runtime/malloc.go:429 +0x191
runtime.(*mheap).grow(0x10f8c60, 0x17890, 0x0)

ledongthuc

var largeOfList []int
var result []int

for _, item := range largeOfList {
  if item.Status == true {
    result = append(result, item)
  }
}

ledongthuc

var sliceOfInt []int
var sliceOfString []int
var sliceOfUser []User
var sliceOfMap []map[string]int

letters := []string{"a", "b", "c", "d"}
numbers := []string{1, 2, 3, 4, 5}
numbers := []User{ User{ Name: "Thuc"}, User{Name: "Mr Vu"} }

ledongthuc

sudo nvram boot-args="kext-dev-mode=1"

ledongthuc

Drop table users;

ledongthuc

package main

import (
	"fmt"
	"io"
	"net/http"

	_ "github.com/mattes/migrate/driver/postgres"
	"github.com/mattes/migrate/migrate"
)

ledongthuc

CREATE TABLE users (
    id integer NOT NULL,
    name character varying(1000) DEFAULT ''::character varying NOT NULL,
    age integer DEFAULT 0 NOT NULL,
    password character varying(1000) DEFAULT ''::character varying NOT NULL,
    email character varying(1000) DEFAULT ''::character varying NOT NULL,
    created_at timestamp with time zone NOT NULL,
    updated_at timestamp with time zone NOT NULL
);