Kemal C. ddeveloperr

Setup, general information and trouble shooting

Important Notes

Laptop Security Settings

If your laptop is configured to prohibit writing to USB memory devices, likely due to your company's security policy, it will not function in the workshop😣

PostgreSQL is Enough

Background and Cron Jobs

NDJSON is a convenient format for storing or streaming structured data that may be processed one record at a time.

Each line is a valid JSON value
Line separator is ‘\n’

1. Convert JSON to NDJSON?

cat test.json | jq -c '.[]' > testNDJSON.json

Install MongoDB on macOS Sierra

This procedure explains how to install MongoDB using Homebrew on macOS Sierra 10.12.
Official MongoDB install documentation: here

Install Homebrew

Installing Homebrew is effortless, open Terminal and enter :
$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

#SOLID Principles with ruby examples

##SRP - Single responsibility principle A class should have only a single responsibility.

Every class should have a single responsibility, and that responsibility should be entirely encapsulated. All its services should be narrowly aligned with that responsibility, this embrace the high cohesion.

##OCP - Open/closed principle Software entities should be open for extension, but closed for modification.

Learning FP the hard way: Experiences on the Elm language

by Ossi Hanhinen, @ohanhi

with the support of Futurice 💚.

Licensed under CC BY 4.0.

Editorial note

SOLID Principles with ruby examples

SRP - Single responsibility principle

A class should have only a single responsibility.

Every class should have a single responsibility, and that responsibility should be entirely encapsulated. All its services should be narrowly aligned with that responsibility, this embrace the high cohesion.

OCP - Open/closed principle

Software entities should be open for extension, but closed for modification.

	module.exports = {
	config: {
	// default font size in pixels for all tabs
	fontSize: 12,

	// font family with optional fallbacks
	fontFamily: 'Menlo, "DejaVu Sans Mono", Consolas, "Lucida Console", monospace',

	// terminal cursor background color and opacity (hex, rgb, hsl, hsv, hwb or cmyk)
	cursorColor: 'rgba(248,28,229,0.8)',

	# Create specified number of articles for Hugo benchmarks
	# Create the output directory before running

	from datetime import datetime
	import random
	import string
	from sys import argv

	def generateWord():
	length = random.randint(1, 10)

	class SortedGcsCsvShardFileMergeReader(object):
	"""Merges several sorted .csv files stored on GCS.

	This class is both an iterator and a context manager.

	Let's say there are 2 .csv files stored on GCS, with contents like:

	/bucket/file_1.csv:
	[0, "Matt"],
	[0, "Sam"],