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How to make random variable? In swift, You can make random variable. You can even shuffle array too!

How to implement network interceptor in alamofire? From Alamofire 4.0+, we can use the Custom Session Manager. Today we’ll talk about Request Adapter and Request Retirer. Request Adapter: A type that can adapt a URLRequest in some manner if necessary. For example, we can add token or version code in header for every request Request Retirer: A type that determines whether a request should be retr..

How to implement multiple link uilabel? When you need multiple link in uilabel like below situation. You could use textView instead. First, add multiple link at specific range using attributed string. Second, make sure textView delegate is set and isEditable property is false. Finally, handle click event! happy coding :)

ISSUE) left pop gesture makes app freeze! It happens when left pop gesture in root view controller. Navigation controller can't pop current view controller because it is root! SOLUTION) makes pop gesture enable! First, add navigation controller delegate Second, set pop gesture recognizer enable property false when it is root view controller! Last, happy coding :)

What is IBInspectable and IBDesignable in swift? With IBInspectable and IBDesignable, it’s possible to build a custom interface. @IBInspectable properties provide new access to your own attributes to be configured on the Interface Builder. @IBInspectable properties are runtime property. So you can’t see how it changed without building and running your app Otherwise @IBDesignable is user defined ..

Swift validation Sometimes we want to validate forms with many fields, for example name, phone, email, and with different rules. In swift, we can use predicate and extension. Define your regular expression and predicate. Next step, use predicate in extension. Tada, you can call it everywhere.

Comparing structure and class in swift In common, both can Define properties to store values Define subscripts to provide access to their values using subscript syntax Define initializers to set up their initial state Be extended to expand their functionality beyond a default implementation Conform to protocols to provide standard functionality of a certain kind Only Class inherit another classe..