To iterate over inner lists and elements of these inner lists, in a List of Lists, in Kotlin, we can use nested for loop. The syntax to iterate over elements of inner lists in a list of lists is </> Copy for(aList in listOfLists) { for(element in aList) { //code } } Exampl...
Use theAdd()Method to Add Items to a List in Kotlin Another method that allows adding items to a list is theadd()method. However, the list needs to be mutable for this method to work. If we try using theadd()method with a standard list, it will throw an error. ...
Once we have access to the mutable list, we can invoke theisEmpty()method to verify whether the method is empty. Run the above code and observe that the outputs are as shown below. truefalse Use the Constructor of a Data Structure in Kotlin ...
To get the sub-list of a List in Kotlin, call subList() function on this List object, and pass the index range as argument to this function. The Kotlin List.subList() function returns a part of the list with elements whose index is in between the specified fromIndex (inclusive) and unt...
.httpGet(listOf("name" to "John Doe", "occupation" to "gardener")) .responseString() println(result) } The Fuel library automatically takes care of encoding the parameters inhttpGet. Kotlin POST JSON data request with Fuel We set a POST request with JSON data. This time we use the Gs...
Learning the basics of programming languages like Kotlin or Java is the first step. These languages are the foundation of Android app development. Kotlin is now preferred by Google for Android development because it’s easier to use and reduces the chance of errors, but Java is still widely us...
Still in MasterViewController.m, delete insertNewObject. This method is now incorrect, since insertion is no longer supported. Build and run your application; you’ll see a nice simple list of items as shown below: Swipe one of rows to the left and you'll see a “Delete” button, ...
Use cases can be presented in a couple of ways. The first is to have a summary or bullet list on the portal home page that highlights the problems your API solves and how it does so. The second and more preferred option is to write a detailed narrative that resides on its own page...
CMP_GT) interpreter.close() return mask.toBitmap() } private fun reshapeOutput1(masks: FloatArray) : List<Mat> { val all = mutableListOf<Mat>() for (mask in 0 until MASKS_NUMBERS) { val mat = Mat(X_POINTS, Y_POINTS, CvType.CV_32F) for (x in 0 until X_POINTS) { for (y...
(e.g., kotlin, scala) is a programming language that runs on the jvm and compiles to java bytecode. it leverages the jvm's runtime environment but may have its own syntax and features. a jvm implementation (e.g., oracle hotspot, openjdk) is the actual software that interprets and ...