lkrych

# people is some subset from the Persons table
people = people.where("UPPER(first_name) LIKE UPPER(?) OR UPPER(last_name) LIKE UPPER(?)", "%" + params[:fname] + "%", "%" + params[:lname]+ "%")

lkrych

# people is some subset from the Persons table
people = people.where("UPPER(first_name) = UPPER(?) OR UPPER(last_name) = UPPER(?)", params[:fname], params[:lname])

lkrych

//In O(n) time, and using O(1) space, remove duplicates from an array
func removeDups(arr []int) []int {
	nextUnduplicatedIdx := 1
	//O(n) time complexity
	for i := 1; i < len(arr); i++ {
		//if the adjacent elements are not equal, assign the element at i to our nextUnduplicatedIdx
		if arr[nextUnduplicatedIdx-1] != arr[i] {
			arr[nextUnduplicatedIdx] = arr[i]
			nextUnduplicatedIdx++
		}

lkrych

func removeDupsAlt(arr []int) []int {
	h := make(map[int]bool)

	//O(n) time complexity
	for i := 0; i < len(arr); i++ {
		h[arr[i]] = true
	}
	//O(n) space complexity
	keys := make([]int, len(h))

lkrych

# will recursively transfer all the files in ./your_static_files
scp -i "your-key.pem" -r ./your_static_files ubuntu@ec2-<your-ip>compute-1.amazonaws.com:~/

lkrych

# will recursively transfer all the files in ./your_static_files
scp -i "your-key.pem" -r ./your_static_files ubuntu@ec2-<your-ip>compute-1.amazonaws.com:~/

lkrych

ssh -i "your-key.pem" ubuntu@ec2-<your-ip>.compute-1.amazonaws.com

lkrych

package main

import (
	"fmt"
	"log"
	"os"
	"strings"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/credentials"

lkrych

package main

import (
	"fmt"
	"log"
	"os"
	"strings"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/credentials"

lkrych

package main

import (
	"fmt"
	"log"
	"os"
	"strings"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/credentials"