quocnb

import UserNotifications

// 1. Request Permission 
func requestAuthorization() {
    UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound]) { (granted, error) in
        if granted {
            // Success
        } else {
            // Error
            print(error?.localizedDescription)

quocnb

public protocol Localizable {
    func localize()
}

public extension Localizable {
    
    public func localize(_ string: String?) -> String? {
        guard let term = string, term.hasPrefix("@") else {
            return string
        }

quocnb

Hero

https://github.com/lkzhao/Hero

Presentr

https://github.com/IcaliaLabs/Presentr

quocnb

Tools:

*** Install Xcode first for save the time *** Homebrew need xcode command line tools first

Homebrew

https://brew.sh/

Gitcomplete

Install Git and bash-completion:

brew install git && brew install bash-completion

quocnb

Code quality control

Swiftlint is best choice

Bug control

Install Crashlytics

Upload dsym file (using fastlane for auto do it)

Auto build

Fastlane is best choice.

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Setup

1. Install Homebrew

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

2. Add Homebrew Tap

brew tap vapor/homebrew-tap
brew update

quocnb

NaN Percent

total = df.isnull().sum().sort_values(ascending=False)
percent = (df.isnull().sum()/df.isnull().count()).sort_values(ascending=False)
missing_data = pd.concat([total, percent], axis=1, keys=['Total', 'Percent'])
missing_data.head(20)

Heat map

quocnb

Nice pyplot show in pycharm

Create configure python file

ipython profile create
ipython profile locate

Open Configure file

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1. Error

1. XGBoost Install Error

https://stackoverflow.com/a/43101972/2776008

brew install gcc --without-multilib
git clone --recursive https://github.com/dmlc/xgboost
cd xgboost; cp make/config.mk ./config.mk

quocnb

private let swizzling: (AnyClass, Selector, Selector) -> () = { forClass, originalSelector, swizzledSelector in
    let originalMethod = class_getInstanceMethod(forClass, originalSelector)
    let swizzledMethod = class_getInstanceMethod(forClass, swizzledSelector)
    method_exchangeImplementations(originalMethod!, swizzledMethod!)
}

extension UIViewController {
    static let swizzled: Void = {
        let originalSelector = #selector(viewDidLoad)
        let swizzledSelector = #selector(swizzled_viewDidload)