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Comparison of ASP.NET and Node.js for Backend Programming

We will compare ASP.NET and Node.js for backend programming.
Source codes from examples.

Updates

This document was published on 21.09.2015 for a freelance employer. Some changes since then (14.02.2016):

Koa.js no longer uses co-routines, it has switched to Babel's async/await. yield and await are used almost in the same way, so I see no point to rewrite the examples.

This is unmaintained, please visit Ben-PH/spacemacs-cheatsheet

Useful Spacemacs commands

SPC q q - quit
SPC w / - split window vertically
SPC w - - split window horizontally
SPC 1 - switch to window 1
SPC 2 - switch to window 2
SPC w c - delete current window

Generic makefile example for a C++ project

If you need a small makefile introduction/reference you can take a look at my notes https://www.mauriciopoppe.com/notes/os/bin/make/

Project structure

. project
├── Makefile
├── build

List of Linux networking tools

netstat (ss)

Displays contents of /proc/net files. It works with the Linux Network Subsystem, it will tell you what the status of ports are ie. open, closed, waiting, masquerade connections. It will also display various other things. It has many different options. Netstat (Network Statistic) command display connection info, routing table information etc. To displays routing table information use option as -r.

Sample output:

Proto Recv-Q Send-Q  Local Address          Foreign Address        (state)    
tcp4 0 0 127.0.0.1.62132 127.0.0.1.http ESTABLISHED

	#!/usr/bin/env python

	# This is a really simple implementation of ELA as described in
	# http://blackhat.com/presentations/bh-dc-08/Krawetz/Whitepaper/bh-dc-08-krawetz-WP.pdf
	# You shouldn't actually use it, or at least read the paper carefully
	# and implement more of the techniques before drawing any conclusions.

	from PIL import Image, ImageChops, ImageEnhance
	import sys, os.path

	#!/bin/sh
	# Options
	RANDOM_CHARS=$(< /dev/urandom tr -dc a-z0-9 \| head -c10)
	FILE_DESTINATION='/home/pmathis/Pictures/Screenshots'
	FILE_FORMAT=$RANDOM_CHARS'_%Y-%m-%d_%H.%M.%S.png'
	SSH_ALIAS='trinity'
	SSH_FOLDER='/home/pmathis/public/screens.snapserv.net'
	HTTP_URL='https://screens.snapserv.net'
	SUCCESS_ICON='/usr/share/icons/gnome/32x32/status/stock_dialog-info.png'
	FAILURE_ICON='/usr/share/icons/gnome/32x32/status/stock_dialog-error.png'

	package main

	import (
	"errors"
	"log"
	"os"

	"github.com/PuerkitoBio/goquery"
	"github.com/robertkrimen/otto"
	)

	/*
	* p2p.c
	*/
	#include <stdarg.h>
	#include <stdint.h>
	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>

	#include <enet/enet.h>

	# On slow systems, checking the cached .zcompdump file to see if it must be
	# regenerated adds a noticable delay to zsh startup. This little hack restricts
	# it to once a day. It should be pasted into your own completion file.
	#
	# The globbing is a little complicated here:
	# - '#q' is an explicit glob qualifier that makes globbing work within zsh's [[ ]] construct.
	# - 'N' makes the glob pattern evaluate to nothing when it doesn't match (rather than throw a globbing error)
	# - '.' matches "regular files"
	# - 'mh+24' matches files (or directories or whatever) that are older than 24 hours.
	autoload -Uz compinit