Some lines of code for common customizations required for UITableView and UITableViewCell yet easy to forget

UITableViewConvenience.swift

// Remove seperator lines between UITableViewCells in UITableView
// Reference: https://stackoverflow.com/questions/26653883/delete-lines-between-uitableviewcells-in-uitableview
var tableView = UITableView()
tableView.separatorStyle = .none

// Add spacing between UITableViewCell
// Reference: https://stackoverflow.com/questions/1369831/eliminate-extra-separators-below-uitableview
// Inside UITableViewCell subclass
override func layoutSubviews() {
    super.layoutSubviews()
    contentView.frame = contentView.frame.inset(by: UIEdgeInsets(top: 0, left: 0, bottom: 10, right: 0))
}

// Eliminate extra separators in UITableView
// Reference: https://stackoverflow.com/questions/1369831/eliminate-extra-separators-below-uitableview
var tableView = UITableView()
tableView.tableFooterView = UIView()

// Remove the cell highlight color of UITableView
// Reference: https://stackoverflow.com/a/2787101/1619193
// Inside UITableViewCell subclass
override func layoutSubviews() {
    super.layoutSubviews()
    selectionStyle = .none
}