raj23manj

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

System Design Cheatsheet

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

Basic Steps

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?

How to use Custom DAO class in Spring Security

Source

Objective 1 : Use Custom DAO classes in Spring Security Spring Security provides mechanism by which we can specify database queries in spring security xml file , but sometimes we want to use our own custom dao classes which are already built.
Objective 2 : Forward the request to different home pages based on the authorized role

Converting libraries to Ember CLI addons

In this guide we will cover two main cases:

Ember specific library
vendor library

Ember library

The Ember library will assume that Ember has already ben loaded (higher in the loading order) and thus will assume it has access to the Ember API.

	// the main app file
	import express from "express";
	import loadDb from "./loadDb"; // dummy middleware to load db (sets request.db)
	import authenticate from "./authentication"; // middleware for doing authentication
	import permit from "./authorization"; // middleware for checking if user's role is permitted to make request

	const app = express(),
	api = express.Router();

	// first middleware will setup db connection

	/*

	How to properly nest functions returning Promises (ECMA6) in node.js (Nested Promises example)

	generated output (with 1 second ticks) =>
	p1 function
	p2 function
	p3 function
	p3 done
	p2 done

	import { AfterViewInit, Component, ElementRef, Input, OnChanges, SimpleChanges, ViewChild } from '@angular/core';
	import { HighChartService } from './highchart.service';

	@Component({
	selector: 'fb-highchart',
	template: '<div *ngIf="config"></div>',
	providers: [HighChartService]
	})
	export class HighChartComponent implements OnChanges, AfterViewInit {
	@Input() config: any;