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

airspeedswift

/// Brian Kernighan's article in Beautiful Code talks about the minimalist regex matcher written by 
/// Rob Pike for their Practice of Programming book as "one of the best examples of recursion that I 
/// have ever seen, and it shows the power of C pointers".
///
/// Swift strings don't use pointers, and the original code relied heavily on the last character of a 
/// C string being `\0`, but you can reproduce many of the nice aspects of the original C code using a 
/// combination of slicing and `dropFirst`, the `first` function that returns an optional you can then  
/// compare to a non-optional character, and the Swift 1.2 `if...let...where`
///
/// In theory no string copying should be happening since the slices are just a subrange view on the

steipete

            // This ensures that the automaticallyAdjustsScrollViewInsets magic works
            // On our newly added view controller as well.
            // This triggers _layoutViewController which then triggers
            // _computeAndApplyScrollContentInsetDeltaForViewController:
            // which finally updates our content inset of the scroll view (if any)
            // rdar://19053416
            [self.navigationController.view setNeedsLayout];

paf31

This blog post series has moved here.

You might also be interested in the 2016 version.

vbfox

module DapperFSharp =
    open System.Data.SqlClient
    open System.Dynamic
    open System.Collections.Generic
    open Dapper

    let dapperQuery<'Result> (query:string) (connection:SqlConnection) =
        connection.Query<'Result>(query)
    
    let dapperParametrizedQuery<'Result> (query:string) (param:obj) (connection:SqlConnection) : 'Result seq =

chriseidhof

// This code accompanies a blog post: http://chris.eidhof.nl/posts/json-parsing-in-swift.html
//
// As of Beta5, the >>= operator is already defined, so I changed it to >>>=    


import Foundation

let parsedJSON : [String:AnyObject] = [
    "stat": "ok",
    "blogs": [

sgtz

namespace WebSocket

// Appache 2.0 license

// References:
// [1] Proposed WebSockets Spec December 2011         http://tools.ietf.org/html/rfc6455   
// [2] John McCutchan (Google Dart Team Member)       http://www.altdevblogaday.com/2012/01/23/writing-your-own-websocket-server/
// [3] A pretty good Python implemenation by mrrrgn   https://github.com/mrrrgn/websocket-data-frame-encoder-decoder/blob/master/frame.py
// [4] WebSockets Organising body                     http://www.websocket.org/echo.html
// [5] AndrewNewcomb's Gist (starting point)          https://gist.github.com/AndrewNewcomb/711664

peeblesjs

operator infix --> {}
func --> (instance: Any, key: String) -> Any? {
    let mirror = reflect(instance)
    
    for index in 0 ..< mirror.count {
        let (childKey, childMirror) = mirror[index]
        if childKey == key {
            return childMirror.value
        }
    }

mattt

// See: https://devforums.apple.com/message/1000934#1000934

import Foundation

// Logic

operator prefix ¬ {}
@prefix func ¬ (value: Bool) -> Bool {
    return !value
}

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

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This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

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