LabN36

This Gist contains list of interview question in unordered fashion

LabN36

Okay, here are short Java examples illustrating each of the SOLID principles:

1. Single Responsibility Principle (SRP)

• Bad (violates SRP):

  class User {
      private String username;
      private String password;

LabN36

Q: what you need to do for https ?
A: you need to get a certificate from CA(let's Encrypt is a CA)

Q: How to get a Certificate ?
A: in order to get a certificate for your website's
domain from let's encrypt you have to demonstrate control
over the domain.

with let's encrypt you need a software that uses 
ACME protocol which runs on your web host

LabN36

/*
* SCHEMATIC http://i.imgur.com/plwZbFa.png
*
 * Connecting ESP8266 (ESP-12) and Nokia 5110 LCD
 * www.KendrickTabi.com
 * http://www.kendricktabi.com/2015/08/esp8266-and-nokia-5110-lcd.html
 */

#include <ESP8266WiFi.h>
#include <ArduinoJson.h>

LabN36

LabN36

as we know Oauth2 authorize(not authenticate) an end user's account(resource owner) to be used by third-party services

generally there are 2 types access_token generating scheme

1. authorization_code grant
2. implicit grant flow

this flow allow other applications to use my user's resource.

steps

1. generally this application redirect to my server like login.myapp.com for login

LabN36

tags
branches
release
forn
timeline
trunk
clonning
collaboration
staging area(allow git to start tracking those files)
commit(taking a snapshot)

LabN36

npm intall command was not working to i try to open cmd as an Admin then it runs successfully

LabN36

{
  "recipient":{
    "id":"938355996293359"
  }, "message": {
    "attachment": {
        "type": "template",
        "payload": {
            "template_type": "list",