David Nix DavidNix

Octave CheatSheet

GNU Octave is a high-level interpreted language, primarily intended for numerical computations.
(via GNU Octave)

Basics

not equal ~=
logical AND &&

Implementing Ruby's lonely operator using Elixir's custom infix function

iex> import ViewHelper
iex> user = %{name: "Imran", address: %{postcode: 33160}}
iex> user ~> :name
# "Imran"
iex> user ~> :address ~> :postcode
# 33160
iex&gt; user ~&gt; :address ~&gt; :country

	package main

	import (
	"bytes"
	"compress/gzip"
	"database/sql/driver"
	"errors"
	"fmt"
	"github.com/jmoiron/sqlx"
	_ "github.com/mattn/go-sqlite3"

	//
	// UIColor+RGB.swift
	// Copyright (c) 2014 Massimiliano Bigatti. All rights reserved.
	//

	import Foundation
	import UIKit

	/**
	UIColor extension that add a whole bunch of utility functions like:

	/*
	1. Adhere to the NSURLSessionDelegate delegate
	2. Initialize NSURLSession and specify self as delegate (e.g. [NSURLSession sessionWithConfiguration:defaultConfigObject delegate:self delegateQueue: [NSOperationQueue mainQueue]];)
	3. Add the method below to your class
	4. Change the certificate resource name
	*/

	- (void)URLSession:(NSURLSession )session didReceiveChallenge:(NSURLAuthenticationChallenge )challenge completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition, NSURLCredential *))completionHandler
	{
	SecTrustRef serverTrust = challenge.protectionSpace.serverTrust;

	extension String {
	func size(withAttributes attrs: [String:AnyObject], constrainedTo box: NSSize) -> NSRect {
	let storage = NSTextStorage(string: self)
	let container = NSTextContainer(containerSize: NSSize(width: box.width, height: box.height))
	let layout = NSLayoutManager()
	layout.addTextContainer(container)
	storage.addLayoutManager(layout)
	storage.addAttributes(attrs, range: NSMakeRange(0, storage.length))
	container.lineFragmentPadding = 0.0
	let _ = layout.glyphRangeForTextContainer(container)

	static void LogNSNotifications(CFNotificationCenterRef center,
	void *observer,
	CFStringRef name,
	const void *object,
	CFDictionaryRef userInfo);

	void LogNSNotifications(CFNotificationCenterRef center,
	void *observer,
	CFStringRef name,
	const void *object,

	# import luigi modules
	import luigi
	from luigi.contrib import redshift
	from luigi import configuration, s3

	# import python core modules
	import os
	import shutil
	import datetime

	//: Playground - noun: a place where people can play

	import UIKit
	import XCPlayground

	XCPlaygroundPage.currentPage.needsIndefiniteExecution = true

	var container = UIView(frame: CGRect(x: 0, y: 0, width: 400, height: 400))
	container.backgroundColor = UIColor.greenColor()
	XCPlaygroundPage.currentPage.liveView = container

	//
	// Copyright © 2016 Tanner Bennett. All rights reserved.
	//

	import Foundation

	typealias ResponseParserBlock = (ResponseParser) -> Void

	class ResponseParser {