sibelius

Basics

• Learn how to start a new react native project
• Run it on ios simulator, on android emulator, on a real iPhone device and on a real Android device, with and without debugging enabled.
• Learn how to upgrade a react native project
• Learn how to add a package to the project
• Learn how to add a package that has a native dependency (https://github.com/airbnb/react-native-maps, https://github.com/evollu/react-native-fcm) - DO NOT USE COCOAPODS
• Learn how to use fetch to get data from your backend

Learn Navigation

• (https://github.com/exponent/ex-navigation#an-important-note-about-the-future)

steinwaywhw

• Use curl to get the JSON response for the latest release
• Use grep to find the line containing file URL
• Use cut and tr to extract the URL
• Use wget to download it

curl -s https://api.github.com/repos/jgm/pandoc/releases/latest \
| grep "browser_download_url.*deb" \
| cut -d : -f 2,3 \
| tr -d \" \

QuantumGhost

@startuml
' uncomment the line below if you're using computer with a retina display
' skinparam dpi 300
!define Table(name,desc) class name as "desc" << (T,#FFAAAA) >>
' we use bold for primary key
' green color for unique
' and underscore for not_null
!define primary_key(x) <b>x</b>
!define unique(x) <color:green>x</color>
!define not_null(x) <u>x</u>

mrnugget

package main

import (
	"database/sql"
	"fmt"
	"log"
	"math/rand"
	"sync"
	"time"

devhero

Byobu is a suite of enhancements to tmux, as a command line
tool providing live system status, dynamic window management,
and some convenient keybindings:

  F1                             * Used by X11 *
    Shift-F1                     Display this help
  F2                             Create a new window
    Shift-F2                     Create a horizontal split
    Ctrl-F2                      Create a vertical split
    Ctrl-Shift-F2                Create a new session

StefanScherer

# Create a RPi with consul running on it
docker-machine-hypriot create -d hypriot --hypriot-ip-address=192.168.1.3 swl-consul
docker $(docker-machine config swl-consul) run -d --restart=always -p 8500:8500 -h consul nimblestratus/rpi-consul -server -bootstrap

# Create a RPi swarm with consul discovery
docker-machine-hypriot create -d hypriot --hypriot-ip-address=192.168.1.4 --swarm --swarm-master --swarm-discovery="consul://$(docker-machine ip swl-consul):8500" --engine-opt="cluster-store=consul://$(docker-machine ip swl-consul):8500" --engine-opt="cluster-advertise=eth0:0" swl-demo0
docker-machine-hypriot create -d hypriot --hypriot-ip-address=192.168.1.5 --swarm --swarm-discovery="consul://$(docker-machine ip swl-consul):8500" --engine-opt="cluster-store=consul://$(docker-machine ip swl-consul):8500" --engine-opt="cluster-advertise=eth0:0" --engine-label "storage=ssd" swl-demo1

# Connect to the RPi swarm
eval $(docker-machine env --swarm swl-demo0)

arturmkrtchyan

curl http://spark-cluster-ip:6066/v1/submissions/status/driver-20151008145126-0000

raulmoyareyes

# View public IP

• curl -s checkip.dyndns.org | sed 's#.Address: (.)</b.*#\1#'
• wget -qO - icanhazip.com
• curl ifconfig.me
• curl ident.me
• dig +short myip.opendns.com @resolver1.opendns.com
• lynx -dump ifconfig.me | grep 'IP Address'
• curl ipecho.net/plain
• curl bot.whatismyipaddress.com
• curl ipinfo.io

harshavardhana

package main

import (
        "fmt"
        "math"
        "time"
)

// humanizeDuration humanizes time.Duration output to a meaningful value,
// golang's default ``time.Duration`` output is badly formatted and unreadable.

kjantzer

# http://stackoverflow.com/a/28818420/484780
git describe --abbrev=0 --tags `git rev-list --tags --skip=1 --max-count=1`