erica

import Foundation
import Cocoa
import XCPlayground

public let DropNotification = "DropNotification"

public class DropWindow : NSWindow {
    required public init?(coder: NSCoder) {
        super.init(coder: coder)
        self.registerForDraggedTypes([NSFilenamesPboardType])

ohanhi

Learning FP the hard way: Experiences on the Elm language

by Ossi Hanhinen, @ohanhi

with the support of Futurice 💚.

Licensed under CC BY 4.0.

Editorial note

nicklockwood

Thoughts on Swift 2 Errors

When Swift was first announced, I was gratified to see that one of the (few) philosophies that it shared with Objective-C was that exceptions should not be used for control flow, only for highlighting fatal programming errors at development time.

So it came as a surprise to me when Swift 2 brought (What appeared to be) traditional exception handling to the language.

Similarly surprised were the functional Swift programmers, who had put their faith in the Haskell-style approach to error handling, where every function returns an enum (or monad, if you like) containing either a valid result or an error. This seemed like a natural fit for Swift, so why did Apple instead opt for a solution originally designed for clumsy imperative languages?

I'm going to cover three things in this post:

erica

/*

Erica Sadun, http://ericasadun.com
GameplayKit Available 10.11, iOS 9

*/

import Foundation
import GameplayKit // only available on OS X 10.11, iOS 9

dharmatech

Let's solve the following physics problem using Symbolism, a computer algebra library for C#.

One strategy in a snowball fight is to throw a first snowball at a high angle over level ground. While your opponent is watching the first one, you throw a second one at a low angle and timed to arrive at your opponent before or at the same time as the first one.

Assume both snowballs are thrown with a speed of 25.0 m/s.

The first one is thrown at an angle of 70.0° with respect to the horizontal.

PurpleBooth

Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

mikeash

import Cocoa

enum CoroutineState {
    case Fresh, Running, Blocked, Canceled, Done
}

struct CoroutineCancellation: ErrorType {}

class CoroutineImpl<InputType, YieldType> {
    let body: (yield: YieldType throws -> InputType) throws -> Void

dharmatech

Visual Studio 2015 Update 1 was released today.

As part of this this release, a C# Interactive tool is provided. This is a read-eval-print loop for C#. It can be opened via the 'View -> Other Windows' menu:

Below is a screenshot demonstrating the computer algebra library Symbolism in C# Interactive:

mplewis

How Do I Into Git?

a helpful primer for users sick of git's poorly-named commands

I've used Git since 2011, and this is the stuff that I've always had to Google to remember. I hope it helps you not hate Git so much.

Learning About the Repo

Learning About History

chriseidhof

import Cocoa

class MyAppDelegate: NSObject, NSApplicationDelegate {
    let window = NSWindow()
    var didFinishLaunching: NSWindow -> () = { _ in () }
    func applicationDidFinishLaunching(aNotification: NSNotification) {
        didFinishLaunching(window)
    }
}