面向向阳花 书童

I have a pure abstract interface class, and a derived class which implements the interface. struct ...

App has contentid coming in as a number string from a json file: let contentid: AnyObject! = jsonFe...

I am getting the following unexpected result when I do arithmetic with small numbers in Python: >>>...

This question is related to the following questions: Detect when keyboard is fully visible and preve...

To create a sample toplevel window the following code can be done. This is shown in documentation an...

I just started learning go, while going through slice tricks, couple of points are very confusing. c...

So I have this assignment to program TicTacToe with a Minimax Algorithm. The normal TicTacToe works ...

I am still trying to convert our application from Swift 2 over to Swift 3 because I am being forced ...

I have the following (simple) code. If I copy / paste the queries, they run just fine. Things I have...

I need to set up an so that it will accept only numeric chars, backspace, delete, enter, tabs and a...

You can define a React functional component\'s types in TypeScript with this: export const Compone...

I am learning Django right now and I try to add a dropdown list at the website and the page will cha...

I\'d like to calculate up to 20 decimal places. the answer I want 0.60000000000000000000 My answer 0...

What is the best way to let my users perform an application update? Is there any way to force devic...

I get a error when i run my test in asp.net. all my other tests works fine. This is my code in the c...