pteasima

import SwiftUI
import Combine

struct OnScroll: ViewModifier {
    @Binding var offset: CGFloat
    
    //we can have a version with a closure instead of the binding, but that triggers an infinite loop if content depends on the same Store
    //    var onOffset: (CGFloat) -> ()
    func body(content: Content) -> some View {
        return VStack {

BasThomas

extension Collection where Element == Int, Index == Int {

    /// Calculates a moving average.
    /// - Parameter period: the period to calculate averages for.
    /// - Warning: the supplied `period` must be larger than 1.
    /// - Warning: the supplied `period` should not exceed the collection's `count`.
    /// - Returns: a dictionary of indexes and averages.
    func movingAverage(period: Int) -> [Int: Float] {
        precondition(period > 1)
        precondition(count > period)

khorbushko

import UIKit
import Photos

extension PHPhotoLibrary {
    // MARK: - PHPhotoLibrary+SaveImage
    
    // MARK: - Public 
    
    func savePhoto(image:UIImage, albumName:String, completion:((PHAsset?)->())? = nil) {
        func save() {            

klaas

// Swift version of: https://gist.github.com/smileyborg/a5d1355773ad2ba6bb1e

public enum ViewOrientation {
	case Portrait
	case Landscape
}

extension UIView {
	public class func viewOrientationForSize(size:CGSize) -> ViewOrientation {
		return (size.width > size.height) ? .Landscape : .Portrait

schickling

require "active_record"

namespace :db do

  db_config       = YAML::load(File.open('config/database.yml'))
  db_config_admin = db_config.merge({'database' => 'postgres', 'schema_search_path' => 'public'})

  desc "Create the database"
  task :create do
    ActiveRecord::Base.establish_connection(db_config_admin)

andreyvit

tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)

Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:

remap prefix to Control + a

evanbeard

class Api::RegistrationsController < Api::BaseController
  
  respond_to :json
  def create

    user = User.new(params[:user])
    if user.save
      render :json=> user.as_json(:auth_token=>user.authentication_token, :email=>user.email), :status=>201
      return
    else

jwo

class Api::RegistrationsController < Api::BaseController
  
  respond_to :json
  def create

    user = User.new(params[:user])
    if user.save
      render :json=> user.as_json(:auth_token=>user.authentication_token, :email=>user.email), :status=>201
      return
    else