igorcferreira

import SwiftUI
import PlaygroundSupport

struct RootView: View {
    var body: some View {
        NavigationView {
            MainView()
        }
    }
}

simonliotier

import SwiftUI

/// Example of how to get Dynamic Type with custom fonts in SwiftUI.
struct ContentView: View {
    var body: some View {
        VStack(spacing: 20) {
            Text("A large title").customFont(.largeTitle) // "Optima-ExtraBlack", 28
            Text("A body").customFont(.body)              // "Kailasa", 16
            Text("A caption").customFont(.caption2)       // "IowanOldStyle-Italic", 11
        }

JohnSundell

// Either put this in a separate file that you only include in your macOS target
// or wrap the code in #if os(macOS) / #endif

import Cocoa

// Step 1: Typealias UIImage to NSImage
typealias UIImage = NSImage

// Step 2: You might want to add these APIs that UIImage has but NSImage doesn't.
extension NSImage {

ajself

/*
This is an update to an example found on http://www.jairobjunior.com/blog/2016/03/05/how-to-rotate-only-one-view-controller-to-landscape-in-ios-slash-swift/

The code there works, with some updating to the latest Swift, but the pattern isn't very Swifty. The following is what I found to be more helpful.
*/

/*
First, create a protocol that UIViewController's can conform to.
This is in opposition to using `Selector()` and checking for the presence of an empty function.
*/

pronebird

import CoreLocation

extension CLLocationCoordinate2D: Codable {
    
    public func encode(to encoder: Encoder) throws {
        var container = encoder.unkeyedContainer()
        try container.encode(longitude)
        try container.encode(latitude)
    }
    

igoratron

Designing for a hostile environment

Nat Buckley

Video: https://www.youtube.com/watch?v=WU4vDTxLIdE

tl;dr: think about what you're building and who you're building it for

Browser is a very hostile environment to program against because lots of things are outside of our control, the network connection, the browser/runtime environment, screen size, etc...

What does it mean then when we say "a site doesn't work"? It means you can't complete a task, the reason why you came to the website in the first place. There are multiple reasons why that could be:

tmilos

Modified Preorder Tree Traversal

Hierarchical data metrics that allows fast read operations on tree like structures.

Based on Left and Right fields that are set during tree traversal. When entered into node value is set to it's Left, when exiting node value is set to it's Right.

Sample implementation

amuntasim

##Create a migration
### rails g migration make_unicode_friendly

class MakeUnicodeFriendly < ActiveRecord::Migration
  def change
    alter_database_and_tables_charsets "utf8", "utf8_general_ci"
  end

  private
  def alter_database_and_tables_charsets charset = default_charset, collation = default_collation

christianp

html.css('em,strong').each do |e|
	if e.content.split.length <= 3
		e.search('//text()').each do |n|
			if ends_with_space
				n.content = n.text.gsub(/^\s/,"\u00A0")
			end
			n.content = n.text.gsub(/(?<=[\s\u00A0])\s/,"\u00A0")
			ends_with_space = n.text.match(/\s$/)
		end
	end

moomerman

cd ~/Library/Application\ Support/Sublime\ Text\ 3/Packages/
git clone git://github.com/wbond/sublime_package_control.git Package\ Control
cd Package\ Control
git checkout python3

# restart Sublime Text 3 and you should have Package Control working