
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 …
What is the "String [] args" parameter in the main method?
May 21, 2009 · The String[] args parameter is an array of Strings passed as parameters when you are running your application through command line in the OS. So, imagine you have compiled …
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 does ** (double star/asterisk) and * (star/asterisk) do for ...
Aug 31, 2008 · Defining Functions *args allows for any number of optional positional arguments (parameters), which will be assigned to a tuple named args. **kwargs allows for any number of …
python - When should I use *args? - Stack Overflow
3 Yes it's fine to use *args here. You should use *args when it's easier to read than a list of argument (def foo(a,b,c,d,e...)) and does not make harder to know which argument is used for …
What does "String [] args" contain in java? - Stack Overflow
Update: I just realized I never answered the question "What does “String [] args” contain in java?" :-) It's an array of the command-line arguments provided to the program, each argument being …
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 …
How to use *args in a python class? - Stack Overflow
I am trying to get some args working in a class, I already got it running in a function from How to use *args in a function?. I'm trying to get that function into a class but I don't seem to under...
Is there a difference between main (String args - Stack Overflow
Semantically, they are identical. However, I'd recommend using the latter syntax (String[] args) when declaring arrays. The former syntax is there mainly for compatibility with C syntax. Since …