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#Basic

Explain the dictionary in Python（简单介绍下 python 里的字典）.
How do we share global variables across modules in Python? （怎么在不同模块里共享一个全局变量？）
How do I convert a string to a number? （怎么把一个字符串转为数字型？）
how to read a 8GB file in python? （你会用什么样的方式读取一个8G文件？）
Do you know the difference between range and xrange? （range 和 xrange 的区别？）
os.path.dirname() & os.path.basename() （这两个方法的区别？）
Making a list with unique element from a list with duplicate elements （怎么给一个可能有重复元素的数组去重？）
mutable vs immutable （简单阐述可变和不可变）

Update nginx conf (/etc/nginx/nginx.conf)

  http {
    ...
    ...
    real_ip_header X-Forwarded-For; # Get Client IP From X-Forwarded_For
    set_real_ip_from 10.0.0.0/8;  # AWS ELB ip ranges
    ...
...

Configuring Linux usage limits with Docker and AWS ECS

ECS TASK Definitions.

"containerDefinitions": [
    {
...
      "ulimits": [
 {

	[Unit]
	Description=supervisord - Supervisor process control system for UNIX
	Documentation=http://supervisord.org
	After=network.target

	[Service]
	Type=forking
	ExecStart=/usr/bin/supervisord -c /etc/supervisord.conf
	ExecReload=/usr/bin/supervisorctl reload
	ExecStop=/usr/bin/supervisorctl shutdown

	angular.module("kp.account")
	/**
	* @ngdoc directive
	* @name kp.account.directive:kpNicknameValidation
	* @description
	* Defines validNickname method.
	* length between 5-20,less than 5 digit numbers
	*/
	.directive("kpNicknameValidation", function() {
	return {

	#!/usr/bin/env bash

	# names of latest versions of each package
	export NGINX_VERSION=1.11.5
	export VERSION_PCRE=pcre-8.38
	export VERSION_LIBRESSL=libressl-2.4.1
	export VERSION_NGINX=nginx-$NGINX_VERSION
	export NGX_BROTLI_STATIC_MODULE_ONLY=1
	#export NPS_VERSION=1.9.32.10
	#export VERSION_PAGESPEED=v${NPS_VERSION}-beta

	/var/log/nginx/*log {
	create 0644 nginx nginx
	daily
	rotate 10
	missingok
	notifempty
	compress
	sharedscripts
	postrotate
	/bin/kill -USR1 `cat /run/nginx.pid 2>/dev/null` 2>/dev/null \|\| true

	# This is a basic configuration that can easily be adapted to suit a standard
	# installation. For more advanced options, see opendkim.conf(5) and/or
	# /usr/share/doc/opendkim/examples/opendkim.conf.sample.

	# Log to syslog
	Syslog yes
	# Required to use local socket with MTAs that access the socket as a non-
	# privileged user (e.g. Postfix)
	UMask 002

	Development Phase:

	Step 1: Create Certificate .pem from Certificate .p12
	Command: openssl pkcs12 -clcerts -nokeys -out apns-dev-cert.pem -in apns-dev-cert.p12

	Step 2: Create Key .pem from Key .p12
	Command : openssl pkcs12 -nocerts -out apns-dev-key.pem -in apns-dev-key.p12

	Step 3: Optional (If you want to remove pass phrase asked in second step)
	Command : openssl rsa -in apns-dev-key.pem -out apns-dev-key-noenc.pem