96 questions
Hi, how are you?I am a student who forgot all the C and C++ I learned at school in the military and is currently studying Java and C# as an intern part-time job and hobby.Currently, I am taking an int...
I heard that I have to use Parcelable when I make an app and deliver the object.But I don't know what Parcelable is. Please tell me the concept of how to use it.
Python - Dynamically generate variables using repetitive statements I'm a self-taught Python student I want to make a multiplication gameIf you print out a question for one minute, you will write down...
If you run the code below, you will receive UnboundLocalError. What's wrong?counter = 0def increment(): counter += 1increment()
Loading the main screen (1.5 seconds) when running the app or switching the screen feels a little slow.Put the image in the layout background as shown in the code below There are also two images in th...
The first row is non-correctable text, and the second row has a JTable with a check box representing the boolean value. What I want is to check all the checked boxes among the selected check boxes whe...
I want to check if the value of double is NaN in Java, what should I do?
What is the difference between HashMap and Hashtable in Java?What else is more efficient in the non-threaded program?
I have extracted only the necessary attribute values from the table A and the table B (extracted by Join I would like to make a table by adding extraction as join + new name/other to the new C table.-...
var i;function slide(i){ //$previewImg Click to receive and use variable i console.log(i);};$previewImg.on('click', function(){ i = $previewImg.index(this); slide(i);});Each time $previewImg is cl...
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