nnguyen168’s gists

nnguyen168 / airflow_example.py

Last active June 19, 2020 07:09

An example of job scheduling in Apache Airflow

	# import libraries
	from datetime import datetime, timedelta
	from airflow import DAG
	from airflow.operators.python_operator import PythonOperator
	from airflow.operators.bash_operator import BashOperator

	# the default parameters for each operation/task
	default_args = {
	'owner': 'big_data_guy',
	'depends_on_past': False,

nnguyen168 / function_without_procastination.py

Created May 24, 2020 08:08

Function without procastination

	def sum_of_two_numbers(first_number, second_number):
	return first_number + second_number

nnguyen168 / function_with_procastination.py

Created May 24, 2020 08:07

Function with procastination

	def sum_of_two_numbers(a, b):
	"""
	The function to calculates the sum of two numbers

	Parameters:
	a: integer -> the first number
	b: integer -> the second number

	Return:
	sum: integer -> the result which is the sum of a and b

nnguyen168 / to_do_comment.py

Created May 24, 2020 07:50

TO DO comments

	# TODO: add a fix later on. The use of this value is temporary
	system_stability_rate = 0.4581345

nnguyen168 / code_without_redudant_comments.py

Last active May 24, 2020 07:38

Code without redundant comments

	def calculate_pay(hourly_pay_rate, work_hours,
	overtime_pay_rate, overtime_work_hours,
	is_eligible_overtime_rate):
	total_pay = 0
	totay_pay = hourly_pay_rate * work_hours
	if is_eligible_overtime_rate:
	total_pay = total_pay + overtime_pay_rate * overtime_work_hours
	else:
	total_pay = total_pay + hourly_pay_rate * overtime_work_hours
	return total_pay

nnguyen168 / code_with_redundant_comments.py

Last active May 24, 2020 09:09

Code with redundant comments

	def calculate_pay(r, h, ovt, ovh, e):
	"""
	Function to calculate pay of a specific employee
	Parameters:
	r: the hourly pay rate
	h: the work hours
	ovt: the overtime pay rate
	ovh: the overtime work hours
	e: indicate if employee is eligible for overtime pay
	Return:

nnguyen168 / jack_analytics_example.json

Last active May 14, 2020 08:16

Jack's analytics example data

nnguyen168 / john_analytics_example

Last active May 14, 2020 08:06

John's analytics example data

	{
	"visitorId": "1",
	"visitId": "1501583974",
	"visitStartTime": "1501583974",
	"date": "20170801",
	"totals": {
	"visits": "1",
	"pageviews": "1",
	"timeOnSite": null, // -> a lot of NULL values
	"bounces": "1",

nnguyen168 / address_book.proto

Created May 7, 2020 17:47

Protobuf equivalent of address book model

	// source code reference: https://developers.google.com/protocol-buffers/docs/javatutorial
	syntax = "proto2";

	package tutorial;

	option java_package = "com.example.tutorial";
	option java_outer_classname = "AddressBookProtos";

	message Person {
	required string name = 1;

nnguyen168 / address_book.json

Created May 7, 2020 17:04

JSON example to model an address book

Nam Nguyen nnguyen168