devansvd

// time and time end
console.time("This");
let total = 0;
for (let j = 0; j < 10000; j++) {
  total += j
}
console.log("Result", total);
console.timeEnd("This");

// Memory

devansvd

# https://medium.com/happy-cog/deploying-static-websites-to-aws-s3-behind-an-nginx-proxy-fd51cc0c53ec

# redirect devan.example.com to devan.s3.amazonaws.com

server {
    listen       80;
    listen       443 ssl;
    server_name  ~^(.*)\.example\.com$;

    ssl_certificate /etc/nginx/certs/fullchain.pem;

devansvd

Master Realm Level Access:

curl -X POST 'http://localhost:8080/auth/realms/master/protocol/openid-connect/token' \
 -H "Content-Type: application/x-www-form-urlencoded" \
 -d "username=xxxxx" \
 -d 'password=xxxxx' \
 -d 'grant_type=password' \
 -d 'client_id=admin-cli'

devansvd

# Get the Git branch
parse_git_branch() {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

# Custom bash prompt
#
# Includes custom character for the prompt, path, and Git branch name.
#
# Source: kirsle.net/wizards/ps1.html and https://github.com/mdo/config

devansvd

# 0 is too far from ` ;)
set -g base-index 1

# Automatically set window title
set-window-option -g automatic-rename on
set-option -g set-titles on

#set -g default-terminal screen-256color
set -g status-keys vi
set -g history-limit 10000

devansvd

   ElasticSearch Cheat sheet


Create an Index via SENSE

PUT /movies
{
    "settings" : {
        "number_of_shards" : 5,
        "number_of_replicas" : 1

devansvd

abstract class AuthService {
  // Subject tracks the current token, or is null if no token is currently
  // available (e.g. refresh pending).
  private subject = new BehaviorSubject<string|null>(null);

  readonly refreshToken: Observable<any>;
  readonly token: Observable<string>;

  constructor() {
    // refreshToken, when subscribed, gets the new token from the backend,

devansvd

# Redis Cheatsheet
# All the commands you need to know


redis-server /path/redis.conf  # start redis with the related configuration file
redis-cli                      # opens a redis prompt


# Strings.

devansvd

//Angular 2 above application static server

const http = require('http');
const express = require('express');
const proxy = require('http-proxy-middleware');
const path = require('path');

const app = express();
app.use(express.static('client'));

devansvd

Two way iframe communication

The main difference between the two pages is the method of sending messages. Recieving messages is the same in both.

Parent

Send messages to iframe using iframeEl.contentWindow.postMessage Recieve messages using window.addEventListener('message')

iframe