Stavros Foteinopoulos stafot

Keybase proof

I hereby claim:

I am stafot on github.
I am stafot (https://keybase.io/stafot) on keybase.
I have a public key whose fingerprint is 3220 75BF 4095 474C 19CC A138 017A CC4D 239B 863E

To claim this, I am signing this object:

Here's an example application that uses the pattern detailed below: https://github.com/tantastik/talent-curator

This document is an attempt to describe the first step of a large project structure with flask and some basic modules:

SQLAlchemy
WTForms

Please feel free to fix and add your own tips.

Basics

File descriptors

The bash has three default file descriptors for each process:

AWS Service annotations

service.beta.kubernetes.io/aws-load-balancer-access-log-emit-interval (in minutes)
service.beta.kubernetes.io/aws-load-balancer-access-log-enabled (true|false)
service.beta.kubernetes.io/aws-load-balancer-access-log-s3-bucket-name
service.beta.kubernetes.io/aws-load-balancer-access-log-s3-bucket-prefix
service.beta.kubernetes.io/aws-load-balancer-additional-resource-tags (comma-separated list of key=value)
service.beta.kubernetes.io/aws-load-balancer-backend-protocol (http|https|ssl|tcp)
service.beta.kubernetes.io/aws-load-balancer-connection-draining-enabled (true|false)

Table of Contents

Profiling in production
- Create React App
- Webpack 4
Troubleshooting
- Tracing broke after an NPM update

Profiling in production

React DOM automatically supports profiling in development mode for v16.5+, but since profiling adds some small additional overhead it is opt-in for production mode. This gist explains how to opt-in.

	#!/usr/bin/python
	# -- coding: utf-8 --
	"""
	Zabbix SMTP Alert script for gmail.
	"""

	import sys
	import smtplib
	from email.MIMEText import MIMEText
	from email.Header import Header

	Adyen Test Card Numbers
	These cards are only valid on our TEST system and they will never involve any actual transaction or transfer of funds. The TEST card numbers will not work on the Adyen LIVE Platform.

	For all cards use the following expiration and CVV2/CVC2/or CID for Amex.

	For all cards:

	Expiration Dates CVV2 / CVC3 CID (American Express)
	06/2016 OR 08/2018 737 7373

	_warning(){
	echo -e "\e[31m${@}\e[0m"
	}
	_info(){
	echo -e $@
	}
	_success(){
	echo -e "\e[32m${@}\e[0m"
	}

	#!/bin/bash


	curl -X GET -H "Origin: http://example.com" --verbose http://foo.com/bar
	curl -X POST -H "Origin: http://example.com" --verbose http://foo.com/bar
	curl -X PUT -H "Origin: http://example.com" --verbose http://foo.com/bar

	// Go to: https://<team>.slack.com/customize/emoji
	// Open Developer Console
	// Copy/Paste and Run this in the console:

	var spans = document.getElementsByTagName('span');
	var basharray = "( "
	for (var i=0;i<spans.length;i++) {
	var link = spans[i].getAttribute("data-original");
	if(link != null){
	basharray = basharray.concat(link, " ")