daansari

let myTable = MLDataTable(...)

// Fetch the price column (and all it's values)
let priceColumn = myTable["price"]

// Create a new column that contains values that are the result of 
// price * bedroom for each row
let priceTimesBedroomsColumn = myTable["price"] * myTable["bedrooms"]

// Remove rows that contain less that 2 bedrooms

daansari

// For the best results, your tableHeaderView/tableFooterView should be a UITableViewHeaderFooterView with your content inside the contentView.
let tableHeaderView = UITableViewHeaderFooterView()
    
let fittingSize = CGSize(width: tableView.bounds.width - (tableView.safeAreaInsets.left + tableView.safeAreaInsets.right), height: 0)
let size = tableHeaderView.systemLayoutSizeFitting(fittingSize, withHorizontalFittingPriority: .required, verticalFittingPriority: .fittingSizeLevel)
tableHeaderView.frame = CGRect(origin: .zero, size: size)
tableView.tableHeaderView = tableHeaderView

// When you set this view to the tableHeaderView/tableFooterView on the table view, the table view will preserve the existing size of its frame.
// If you need to change the size, remove the tableHeaderView/tableFooterView, set a new frame on it, then re-set it on the table view again.

daansari

# Get Sudo.
if [ $EUID != 0 ]; then
    sudo "$0" "$@"
    exit $?
fi

# Install Xcode first - https://itunes.apple.com/us/app/xcode/id497799835?ls=1&mt=12
# Install Xcode command line tools.
xcode-select --install

daansari

            self.cntView.layer.cornerRadius = 13.0
            self.cntView.layer.shadowColor = UIColor.lightGray.cgColor
            self.cntView.layer.shadowOpacity = 0.5
            self.cntView.layer.shadowRadius = 10.0
            self.cntView.layer.shadowOffset = .zero
            self.cntView.layer.shadowPath = UIBezierPath(rect: self.cntView.bounds).cgPath
            self.cntView.layer.shouldRasterize = true

//Note:- cntView is an IBOutlet

daansari

func isModal() -> Bool {
	return self.presentingViewController?.presentedViewController == self
		|| (self.navigationController != nil && self.navigationController?.presentingViewController?.presentedViewController == self.navigationController)
		|| self.tabBarController?.presentingViewController is UITabBarController
}

daansari

    func copyDatabaseIfNeeded() {
        // Move database file from bundle to documents folder
        
        let fileManager = FileManager.default
        
        let documentsUrl = fileManager.urls(for: .documentDirectory,
                                                    in: .userDomainMask)
        
        guard documentsUrl.count != 0 else {
            return // Could not find documents URL

daansari

1. Open Terminal
2. cd to your Xcode project
3. Execute the following when inside your target project:

find . -name "*.swift" -print0 | xargs -0 wc -l

daansari

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

daansari

import UIKit
import AsyncDisplayKit

var calculatedWidth: CGFloat = 0

class ViewController: UIViewController {
    
    // MARK: Properties
    
    private let containerNode: WidthTestContainerNode

daansari

       - semantic_form_for @question do |f|
          = f.input :title, :label => "Type Your Question",
                    :wrapper_html => {:style => "list-style-type:none"},
                    :input_html => {:class => 'main_question'}
          = f.input :body, :input_html => {:class => 'autogrow', :rows => 5},
                    :wrapper_html => {:style => "list-style-type:none"},
                    :label => "Question Details (optional)"
          = f.input :tag_list, :class => 'larger widest', :"data-pre" => @question.tags.map(&:attributes).to_json,
                    :wrapper_html => {:style => "list-style-type:none"}