Kannndev

Configuring Cloudflare SSL/TLS on Google App Engine

Implementing end-to-end HTTPS encryption with CloudFlare for Google App Engine applications.

Google App Engine - Custom Domains

Add Domains

Register the root domain with Google Cloud Platform at the following:

Kannndev

The initial source comes from sdcuike/issueBlog#4

http://greenteapress.com/wp/

https://papers.nips.cc

https://github.com/PacktPublishing free to download books code by Packet

https://github.com/EbookFoundation/free-programming-books Very immense

Kannndev

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

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This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

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Kannndev

var udp = require('dgram');

// --------------------creating a udp server --------------------

// creating a udp server
var server = udp.createSocket('udp4');

// emits when any error occurs
server.on('error',function(error){
  console.log('Error: ' + error);

Kannndev

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

Kannndev

Regular Event Loop

This shows the execution order given JavaScript's Call Stack, Event Loop, and any asynchronous APIs provided in the JS execution environment (in this example; Web APIs in a Browser environment)

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Given the code

Kannndev

import { Test, TestingModule } from '@nestjs/testing'
import { INestApplication, LoggerService } from '@nestjs/common'
import * as request from 'supertest'
import { AppModule } from './../src/app.module'

class TestLogger implements LoggerService {
  log(message: string) {}
  error(message: string, trace: string) {}
  warn(message: string) {}
  debug(message: string) {}