My parent variable is nullable, and haves a getWidth function. I wanna call getWidth only if parent is not null, so i did this let function. return parent.let { it.getWidth() * (perWidth / 100.0f) } ?: run{ App.realWidth.toFloat() } Also, if is null, I wanna call App.realWidth.toFloat(), so I added it in a ?: run… Read More Let block not working, giving "Only safe (?.)…" error
Learn how to calculate the check digit according to ISO 6346 for shipping containers. Prevent errors in tracking and documentation with this simple algorithm.… Read More JavaScript : How to Calculate the Check Digit according to ISO 6346
I have this chunk of code below. I’m a bit confused as to how the let in syntax should work. I was under the assumption that the let in let you use that variable in the scope of in. Although, I don’t understand how I am able to access the table variable here without being… Read More Ocaml let in and the use of ; vs ;;
As a language that aims for safety and performance, Rust provides a powerful data structure called HashSet that provides a fast and efficient way to store and retrieve unique values. HashSet is optimized for scenarios where you need to check for the presence of a value and avoid duplicates, making it a popular choice among… Read More How to apply function that returns Result to each element of HashSet in Rust
To send and read messages in Discord using Python, you will need to use the Discord API and the python `discord` library.… Read More Python : send and read messages in Discord
I’ve looked at the source code of let function: @kotlin.internal.InlineOnly public inline fun <T, R> T.let(block: (T) -> R): R { contract { callsInPlace(block, InvocationKind.EXACTLY_ONCE) } return block(this) } i clearly understand that using it keyword inside of the block (code) i’m sending to let function will refer to the object that called the let… Read More What happens when using 'this' inside a lambda expression that is sent to let function?