neoneye

# Mesolabe Compass and Square Roots - Numberphile
# https://www.youtube.com/watch?v=9VVPBS_flOI

v=4; Math.sin(Math.acos(2.0 / (v + 1) - 1.0)) * (v + 1) / 2.0
# 2.0000000000000004 

v=9; Math.sin(Math.acos(2.0 / (v + 1) - 1.0)) * (v + 1) / 2.0
# 3.0 

v=16; Math.sin(Math.acos(2.0 / (v + 1) - 1.0)) * (v + 1) / 2.0

neoneye

// Copyright © 2019 Simon Strandgaard. All rights reserved.
import SwiftyBeaver

public let log = SwiftyBeaver.self

extension BaseDestination.LevelColor {
	mutating func applyDefaultStyle() {
		debug   = "🏐 "
		info    = "🏐 "
		verbose = "🏐 "

neoneye

import Foundation
import PlaygroundSupport

/// A thread-safe array.
public class SynchronizedArray<Element> {
    fileprivate let queue = DispatchQueue(label: "io.zamzam.ZamzamKit.SynchronizedArray", attributes: .concurrent)
    fileprivate var array = [Element]()
}

// MARK: - Properties

neoneye

import PerfectHTTP


class HandlerContext {
	let request: HTTPRequest
	let response: HTTPResponse
	init(request: HTTPRequest, response: HTTPResponse) {
		self.request = request
		self.response = response
	}

neoneye

import UIKit

extension UIViewController {
	/// Taken from this great StackOverflow post by Phani Sai: https://stackoverflow.com/a/35473300/78336
	func configureChildViewController(_ childController: UIViewController, onView: UIView?) {
		var holderView = self.view
		if let onView = onView {
			holderView = onView
		}
		addChildViewController(childController)

neoneye

let value0 = _tv(100)
let value1 = _tv(200)
print("the values are: \(value0) \(value1)")
if _tv(1) > 0.5 {
    print("if-case")
} else {
    print("else-case")
}

neoneye

#!/usr/bin/env ruby
require 'fileutils'

PATH_PG_DUMP = "/usr/lib/postgresql/9.6/bin/pg_dump"
POSTGRES_HOST = "demoscene.t1qwy5zz3sn3.eu-southwest-3.rds.amazonaws.com"
POSTGRES_PORT = 1234
POSTGRES_USERNAME = "admin"
POSTGRES_PASSWORD = "doesnt look like anything to me"
POSTGRES_DBNAME = "main"
AWS_S3_BUCKET = "there.is.no.spoon"

neoneye

import XCTest

class URLRelativePathFromTests: XCTestCase {
	func process(_ p1: String, _ p2: String) -> String? {
		let u1 = URL(fileURLWithPath: p1)
		let u2 = URL(fileURLWithPath: p2)
		return u1.relativePath(from: u2)
	}

	func testNormal() {

neoneye

I use GM to render thumbnails of png and jpg images.

Sadly the GM installation guide doesn't describe how to get things working on AWS EC2.

http://www.graphicsmagick.org/INSTALL-unix.html

Prepare for installing GraphicsMagick

neoneye

import PerfectPostgreSQL
import PostgresStORM
import StORM

extension PostgresStORM {
	static func doWithTransaction<Result>(closure: () throws -> Result) throws -> Result {
		let thisConnection = PostgresConnect(
			host:		PostgresConnector.host,
			username:	PostgresConnector.username,
			password:	PostgresConnector.password,