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How to pass node v8 args and script args to pm2?


How to pass node v8 args and script args to pm2?

By : Huda
Date : November 15 2020, 06:54 AM
wish of those help After some digging, I've found out that what I was looking for was the double dash on linux.
The normal code,
code :
node --expose-gc bin/www arg1 arg2 arg3
pm2 start bin/www --node-args="--expose-gc" -- arg1 arg2 arg3


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How to pass args to method in java, like f(*args) in python?

How to pass args to method in java, like f(*args) in python?


By : Romit Modi
Date : March 29 2020, 07:55 AM
should help you out Sure, you should be able to do precisely that using vararg-methods. If you're worried about ambiguities when it comes to arguments such as Object... this piece of code should clarify:
code :
public class Test {

    public static void varargMethod(Object... args) {
        System.out.println("Arguments:");
        for (Object s : args) System.out.println(s);
    }

    public static void main(String[] args) throws Exception {
        varargMethod("Hello", "World", "!");

        String[] someArgs = { "Lorem", "ipsum", "dolor", "sit" };

        // Eclipse warns:
        //   The argument of type String[] should explicitly be cast to Object[]
        //   for the invocation of the varargs method varargMethod(Object...)
        //   from type Test. It could alternatively be cast to Object for a
        //   varargs invocation
        varargMethod(someArgs);

        // Calls the vararg method with multiple arguments
        // (the objects in the array).
        varargMethod((Object[]) someArgs);

        // Calls the vararg method with a single argument (the object array)
        varargMethod((Object) someArgs);
    }
}
Arguments:
    Hello
    World
    !
Arguments:
    Lorem
    ipsum
    dolor
    sit
Arguments:
    Lorem
    ipsum
    dolor
    sit
Arguments:
    [Ljava.lang.String;@1d9f953d
nonVarargMethod(args[0], args[1], args[2]);
Modify args parameter in resque gem in before_enqueue and pass the modified args to perform

Modify args parameter in resque gem in before_enqueue and pass the modified args to perform


By : Reuben Cornel
Date : March 29 2020, 07:55 AM
wish helps you Found that we can't add extra arguments in before_enqueue. But instead we can modify existing arguments. So, we can pass an empty hash as argument in the enqueue call and add arguments as key value pairs into this empty hash at before_enqueue. I'm talking everything with respect to Resque 1.20.0
Call to the enqueue method:
code :
Resque.enqueue(class_name, {})
self.before_enqueue(*args)
  args[0][:param1] = 1
  args[0][:param2] = 2
end
In perfect forwarding what is the difference between `decltype(std::forward<Args>(args))...` and Args&&

In perfect forwarding what is the difference between `decltype(std::forward<Args>(args))...` and Args&&


By : d.heyzie
Date : March 29 2020, 07:55 AM
wish help you to fix your issue std::forward does nothing more than add && to type T and apply reference collapsing rules, when used to forward arguments. So does Args&&...
So IMHO, decltype(std::forward(args))... and Args&&... are the same.
Pass muliple args to a python script spawned from node.js

Pass muliple args to a python script spawned from node.js


By : sowmya
Date : March 29 2020, 07:55 AM
it helps some times I think unshift might be what you are looking for.
code :
const spawn = require("child_process").spawn;
const pyFile = 'script.py';
const args = ['path1', 'path2', 'path3'];
args.unshift(pyFile);
const pyspawn = spawn('python3', args);

pyspawn.stdout.on('data', (data) => {
    console.log(`stdout: ${data}`);
});

pyspawn.stderr.on('data', (data) => {
    console.log(`stderr: ${data}`);
});

pyspawn.on('close', (code) => {
    console.log(`child process exited with code ${code}`);
});
int fun(void **args) and on calling of function pass the argument fun(args),

int fun(void **args) and on calling of function pass the argument fun(args),


By : Faisal Khalid Al-Dul
Date : March 29 2020, 07:55 AM
like below fixes the issue args is a pointer to a pointer to some data (could be anything, it would be cast to the right int, char, struct or whatever inside fun().
You can check the value of args itself, it will be a memory location, that points to another memory location that points to "something".
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