Swift is the new language introduced by Apple and is used for developing application in iOS platform.
Get the youtube video URL Add WKWebView to your UIView using code. Somehow it works better when added through code. Your resulting code will look like this 3. Now create a request with your youtube URL and add ?playsinline=1 this will play video inline. The resulting code will look like this To get the best … Read more
We have a table view setup and is working fine now suppose the data changes in the data source and you have to reflect that change in UITableView. At first, it seems that this problem can be solved easily by using tableview.reloadData(). Using reloadData works for a small tableview but when the table view is … Read more
While implementing Notification Service you come across a situation where you have implemented all the code mentioned in the tutorial and still your is not getting called. So here I present you with checkpoints and in 99% of the cases, one of the points will work. For other 1% may force be with you. 1. … Read more
Many a times we stumble upon Switch cases which run into 100s of cases. Ideally it should be under 30 (highly subjective) or any other number which you deem manageable. In the given below code example we will break a switch case into multiple ones. The above code example utilizes 100 + default cases in … Read more
Swift now comes with built in shuffle functionality. Swift provides two methods shuffle() Shuffle reorders a collection in place. After calling shuffle on the collection the original collection is changed/reordered Since shuffle() is mutating in nature you cannot use it with constant declared using let keyword. It has a complexity of O(n), where n is the length … Read more
It might happen that you need to convert a swift Set,Array,Dictionary to string. It might be because you want to log or might just want plain string. It is very easy to Convert Swift Collections to String by using description. Try the above code in the playground. No mapping and string append is required.
It might sound stupid(and most of the time it is) but there are situations when you want to make a synchronous request using URLSession. I faced the situation when I had to log both request and response together. Semaphores and Synchronous HTTP request A asynchronous request looks something like this To make it behave we … Read more
So your code is crashing with EXC_BAD_INSTRUCTION and you are getting a error like Fatal error: Unexpectedly found nil while unwrapping an Optional value or Fatal error: Unexpectedly found nil while implicitly unwrapping an Optional value This crash arises when we attempt to forcefully or Implicitly unwrap an optional and that optional, as the name … Read more
In this post, I will discuss how to save a custom object in UserDefaults. We will use Codable and JSON to save and retrieve data from UserDefaults. Before we begin let me caution you UserDefaults are not your database. Use CoreData or Realm for all your heavy lifting. Make your class/Type conform to codable protocol … Read more
Very large files can not be converted into data at once and moved around in variables. It is simply not possible as very large files could trigger memory warning and eventual crash. Now the question arises how do we upload very large files using Alamofire? Solution is simple just pass the file url to alamofire … Read more