Jonas Cheng jonascheng

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Working from home

jonascheng / Check CORS with curl command

Created July 3, 2017 07:26

curl -i -H "Origin: http://[web app domain]" -H "Access-Control-Request-Method: GET" -X OPTIONS [target web resource]

jonascheng / gist:0ea0097e5de2ed9b519e36de5248a4c9

Created July 10, 2017 14:41

env ARCHFLAGS="-arch x86_64" LDFLAGS="-L/usr/local/opt/openssl/lib" CFLAGS="-I/usr/local/opt/openssl/include" pip install cryptography

jonascheng / wget-download-site.sh

Created July 17, 2017 15:09

Use wget to get a local copy of a site with all files and folders

wget -m -p -E -k -K -np http://site/path/

jonascheng / term_colors.py

Created December 12, 2017 10:13 — forked from christian-oudard/term_colors.py

Terminal output colors in python

	from __future__ import print_function
	"""
	Utilities for 256 color support in terminals.

	Adapted from:
	http://stackoverflow.com/questions/1403353/256-color-terminal-library-for-ruby

	The color palette is indexed as follows:

	0-15: System colors

jonascheng / list_time_series.py

Created May 16, 2018 02:28

Sample code to list_time_series from GCP Pub/Sub

	# export GOOGLE_APPLICATION_CREDENTIALS='credential file in JSON'

	import arrow

	from google.cloud import monitoring_v3
	from google.cloud.monitoring_v3 import enums
	from google.cloud.monitoring_v3.types import TimeInterval, Aggregation
	from google.api_core import exceptions

	client = monitoring_v3.MetricServiceClient()

jonascheng / celery_beat_checker.py

Created July 2, 2018 07:39

Celery beat health check script, you may specify this inside Dockerfile

	import sys
	import arrow
	import shelve
	import os.path

	from datetime import datetime, timedelta

	# Name of the file used by PersistentScheduler to store the last run times of periodic tasks.
	FN_CELERYBEAT = 'celerybeat-schedule'

jonascheng / EmployeeClass.py

Last active June 9, 2019 15:27

SOLID-EmployeeClass

	import datetime

	class Employee:

	def __init__(self, first_name: str , last_name: str, birth: datetime, hourly_rate: int, labor_hours: int):
	self.first_name = first_name
	self.last_name = last_name
	self.birth = birth
	self._hourly_rate = hourly_rate
	self._labor_hours = labor_hours

jonascheng / EmployeeClassWithPrintMethods.py

Created June 8, 2019 14:53

SOLID-EmployeeClassWithPrintMethods

	import datetime

	class Employee:
	// ...

	def printForHR(self):
	print(u'{},{},{}'.format(self.first_name, self.last_name, self.wage))

	def printForIT(self):
	print(u'{},{},{}'.format(self.first_name, self.last_name, self.birth))

jonascheng / EmployeePrintClass.py

Last active June 8, 2019 15:08

SOLID-EmployPrintClass

	class EmployeePrinterForHR:

	def printCSV(employee: Employee):
	print(u'{},{},{}'.format(employee.first_name, employee.last_name, employee.wage))

	class EmployeePrinterForIT:

	def printCSV(employee: Employee):
	print(u'{},{},{}'.format(employee.first_name, employee.last_name, employee.birth))

jonascheng / SalesPersonClass.py

Created June 9, 2019 02:47

SOLID-SalesPersonClass