Radu Topala radutopala

Resize a Hard Disk for a Virtual Machine

Our Virtual Machines are provisioned using Vagrant from a Linux base box to run using VirutalBox. If the Hard Disk space runs out and you cannot remove files to free-up space, you can resize the Hard Disk using some VirtualBox and Linux commands.

Some assumptions

The following steps assume you've got a set-up like mine, where:

WebSockets - An Introduction

WebSockets is a modern HTML5 standard which makes communication between client and server a lot more simpler than ever. We are all familiar with the technology of sockets. Sockets have been fundamental to network communication for a long time but usually the communication over the browser has been restricted. The general restrictions

The server used to have a permanent listener while the client (aka browser) was not designated any fixed listener for a more long term connection. Hence, every communication was restricted to the client demanding and the server responding.
This meant that unless the client requested for a particular resource, the server was unable to push such a resource to the client.
This was detrimental since the client is then forced to check with the server at regular intervals. This meant a lot of libraries focused on optimizing asynchronous calls and identifying the response of asynchronous calls. Notably t

Attention

This post described how to create an application with mithril 0.2.x. Now that ver 1.0 is out, some things are a little differnent.

The example is updated with the current version of mithril, though.

Isomorphic applications with mithril

	// compile this like g++ go2.c -lgdi32 [if you're using mingw]

	#include <windows.h>
	#include <stdio.h>

	// Helper function to retrieve current position of file pointer:
	inline int GetFilePointer(HANDLE FileHandle){
	return SetFilePointer(FileHandle, 0, 0, FILE_CURRENT);
	}
	//---------------------------------------------------------------------------

	// Traverses an arbitrary struct and translates all stings it encounters
	//
	// I haven't seen an example for reflection traversing an arbitrary struct, so
	// I want to share this with you. If you encounter any bugs or want to see
	// another example please comment.
	//
	// The MIT License (MIT)
	//
	// Copyright (c) 2014 Heye Vöcking
	//

	// Copyright (c) 2017 Ismael Celis

	// Permission is hereby granted, free of charge, to any person obtaining a copy
	// of this software and associated documentation files (the "Software"), to deal
	// in the Software without restriction, including without limitation the rights
	// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	// copies of the Software, and to permit persons to whom the Software is
	// furnished to do so, subject to the following conditions:

	// The above copyright notice and this permission notice shall be included in all

	#!/bin/bash

	### USAGE
	###
	### ./ElasticSearch.sh 1.7 will install Elasticsearch 1.7
	### ./ElasticSearch.sh will fail because no version was specified (exit code 1)
	###
	### CLI options Contributed by @janpieper
	### Check http://www.elasticsearch.org/download/ for latest version of ElasticSearch

	/*****************************************
	/* DOM touch support module
	/*****************************************/
	if (!window.CustomEvent) {
	window.CustomEvent = function (event, params) {
	params = params \|\| { bubbles: false, cancelable: false, detail: undefined };
	var evt = document.createEvent('CustomEvent');
	evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
	return evt;
	};

	var htmlbars = require("gulp-htmlbars");
	var tap = require("gulp-tap");
	var concat = require("gulp-concat");

	var getTemplateNameFromPath = function(path){
	// if exist replace \ with /
	while( path.indexOf("\\") !== -1 ){
	path = path.replace("\\", "/");
	}

	package main

	import (
	"fmt"
	"net/http"

	"github.com/gorilla/mux"
	)

	func demo(w http.ResponseWriter, r *http.Request) {