34 questions
If you define the following in Typescript: class A { public b —A.B.}namespace A { classB{ }}By classA definition [ts] No exported member 'B' exists in namespace 'A'. I get scolded, and if you reverse ...
Hello,As the title says, How do I make Activity/ArrayAdapter sparse on Android?I tried writing the code where Activity and ArrayAdapter are calling each other's methods.The fact that Activity and Arra...
Hello,As the title says, How do I make Activity/ArrayAdapter sparse on Android?I tried writing the code where Activity and ArrayAdapter are calling each other's methods.The fact that Activity and Arra...
I implemented it using CADisplayLink to animate the text representing the percentage as shown in the image, but it does not work well with RxSwift, and I cannot discard the cell instance during the sc...
I'm making an app. When I log in to the server, I use the user's name and password, but it's annoying to enter the password every time, so I made a password as an option.I tried to use SharedPreferenc...
I know that using references makes it easier to read and write code,What exactly is the difference between the two?
Why can't I return the reference?Personally, I saw a lot of codes that return references, so are all the codes wrong?
In C#, we use the keyword ref when we use references Is there something like this in Java?
It seems that the Python document does not clearly state whether variables are passed by reference or by value when they are passed by parameters. When you turn the code below, the variable value does...
I've always thought that Java is a pass-by-reference. But I saw a blog claiming it wasn't. (Here's a link: http://javadude.com/articles/passbyvalue.htm)I don't know the difference. Please explain.
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