GregIngelmo

# Launch pry based interactive Rails console
$> pry -r ./config/environment.rb

# redirect Mongoid logging to console
pry(main)> Mongoid.logger = Logger.new($stdout)

# run a query
pry(main)> User.where(:username => "greg").first()

# Mongoid spits out the query, but, I actually want to see the raw Mongo query

GregIngelmo

Base config for Redat servers

Base dev libs

sudo yum groupinstall "Development Tools" -y

Install EPEL

GregIngelmo

Mitmproxy

Type l and paste the following filter. It will remove all html specfic elements from a capture session.

!(~ts "application/javascript") !(~ts "text/javascript") !(~ts "text/css") !(~ts "image/*") !(~ts "application/vnd.google.safebrowsing-*")

GregIngelmo

Ping Utils

Parse ping response time

brew install fping

fping -c 1 google.com 2&>1| head -n1 | cut -d "(" -f2 | cut -d " " -f1

GregIngelmo

Influx db

Execute a qeury via curl

http get "http://localhost:8086/db/test/series?u=root&p=root&q=select first(docCount) from /yahoo.search_ssb_customer.app.pyc_referralanalytics.search/ group by time(1d) where time > now() -48h"

GregIngelmo

// how to programatically create NSLayoutConstraints inside a playground

import UIKit

let viewFrame = CGRect(x: 0, y: 0, width: 640, height: 750)
let view = UIView(frame: viewFrame)
view.backgroundColor = UIColor.greenColor()

// initially the subView will obscure the entire view
let subView = UIVisualEffectView(effect: UIBlurEffect(style: UIBlurEffectStyle.Dark))

GregIngelmo

ffmpeg commands

Rotate all videos in current directory 90 degrees and remove rotate metadata that's used by iOS & Quicktime.

find *.mp4 | xargs -I {} ffmpeg -i "{}" -v 0 -vf "transpose=1" -qscale 0 -y -metadata:s:v:0 "rotate=0" "rotated/{}"

Print the width, height and filename for every video in the current directory

GregIngelmo

package main

import (
	"fmt"
	"log"
	"os"

	"github.com/boltdb/bolt"
)

GregIngelmo

package main

import (
	"log"
	"os"

	"github.com/boltdb/bolt"
)

var path = "bolt.db"

GregIngelmo

package main

import (
	"crypto/rand"
	"fmt"
	"io"
	"net"
	"sync/atomic"
	"time"
)