Swift has two data types (Double and Float) to hold the decimal values. Both of them hold the same decimal type values but have some differences. This post was originally posted at https://agrawalsuneet.github.io/blogs/double-vs-float-swift/ and reposted on Medium on 13th April 2022. The basic difference is around the size of memory…

In continuation to my previous blog UserDefaults in Swift, where we understand the basic functionality of UserDefaults, we’ll try to understand today how can we store custom objects in UserDefaults. This post was originally posted at https://agrawalsuneet.github.io/blogs/custom-object-in-userdefaults-swift/ and reposted on Medium on 13th April 2022. UserDefaults provides us with direct…

A small set of data is required to be stored and accessed very frequently and need to be persisted across sessions or app launches. One way of keeping them is using a local database like core data in an iOS app. But core data is helpful in the case of…

Adding an value change event to a UISwitch is something that is required most of the time. For views like UISwitch, we can connect an IBAction with the event type as value changed and get a callback for the value changed. This post was originally posted at https://agrawalsuneet.github.io/blogs/uiswitch-value-change-listener-swift/ …

Adding an editing event to a UIDatePicker is something that is required most of the time. For views like UIDatePicker, we can connect an IBAction with the event type as value changed and get a callback for the value changed. This post was originally posted at https://agrawalsuneet.github.io/blogs/uidatepicker-date-change-listener-swift/ …

Adding an editing event to a UITextField is something that is required most of the time. For views like UITextField, we can connect an IBAction with the event type as editing did end or value changed and get a callback for editing finished or value changed. This post was originally…

The switch statement in Swift is used to execute a particular block of code based on multiple conditions. A switch statement is useful for more than one condition. …

Range Operator in Kotlin is a basic operator that is used to operate over a range. A range can be defined with a start value and an end value with and without inclusion. The range operators can be used with for loops, if conditions or even in when operator. …

Collections (Sets, Maps and Lists) are something we use daily. Traversing (Iteration) is the most common operation we perform over any collection. Iterators are used to traverse over a collection object. It provides access to the elements of the collection object sequentially without exposing the underlying structure of the collection. …