
python - What do *args and **kwargs mean? - Stack Overflow
Putting *args and/or **kwargs as the last items in your function definition’s argument list allows that function to accept an arbitrary number of arguments and/or keyword arguments.
python - Use of *args and **kwargs - Stack Overflow
Note that *args/**kwargs is part of function-calling syntax, and not really an operator. This has a particular side effect that I ran into, which is that you can't use *args expansion with the print …
javascript - What is the meaning of "...args" (three dots) in a ...
Feb 12, 2017 · If you know some Python syntaxes, it is exactly the same as *args. Since *args (Python) is tuple object and Javascript has no tuple like Python, ..args is an Array object.
What is the "String [] args" parameter in the main method?
May 21, 2009 · That String[] args part may become optional in future versions of Java. Work is underway to allow for simplified declaration of main method. See JEP 463: Implicitly Declared …
What is args ? and When would you use args? [duplicate]
Jul 12, 2016 · args is a name of a String array. Is compulsory in your main method in java in order to receive the parameters for the input. If your application receives some inputs, they will be …
What does ** (double star/asterisk) and * (star/asterisk) do for ...
Aug 31, 2008 · See What do ** (double star/asterisk) and * (star/asterisk) mean in a function call? for the complementary question about arguments.
Why is it necessary to have `String[] args` as main() parameter?
main(String[] args) by design is entry point of Java application. This method is also used to handle potential parameters passed in console like java YourClass foo bar (foo and bar will end up in …
java - A beginner's error (args [0]) - Stack Overflow
When you execute the program, you specify the class that contains the main method and then command line arguments. args[0] is the first command line argument. You need to provide it …
Type annotations for *args and **kwargs - Stack Overflow
May 4, 2016 · I'm trying out Python's type annotations with abstract base classes to write some interfaces. Is there a way to annotate the possible types of *args and **kwargs? For example, …
How to pass through Python args and kwargs? - Stack Overflow
May 19, 2014 · The items in args will be unpacked and sent to the function as positional arguments, and the key/value pairs in kwargs will be sent to the function as keyword arguments.