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Creating C functions with arguments but no returns, what went wrong?


By : Chengzhang Zhong
Date : July 31 2020, 05:00 PM
Does that help Your void get_numbers(float a, float b) function creates a copy of a and b on its stack. These variables are deleted upon function's exit. You should use pointers:
code :
void get_numbers(float*, float*);

void get_numbers(float *a, float *b)
{
<...>
scanf("%f", a);
<...>


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Writing docstrings - specifying functions arguments and returns


By : lovedones
Date : March 29 2020, 07:55 AM
wish helps you The idea of a docstring is to give the user a basic overview of what's going in and coming out without telling them too much about how that happens. In this case:
code :
def foo(a):
    """Take a number a and return its value incremented by 1."""
    return a + 1
def build_connection_string(params):
    """Build a connection string from a dictionary of parameters.

    Return string."""

Trying to get asynchronous functions with arguments and returns to work


By : Al3
Date : March 29 2020, 07:55 AM
hop of those help? After searching through lots of posts on the web, and reading a couple of books, I have found the best resource, with examples for each case that one might encounter:
http://support.microsoft.com/kb/315582

What's wrong with my code for functions and arguments?


By : A.Federico
Date : March 29 2020, 07:55 AM
I wish this help you From the error you got it seems like some of the arguments are not mandatory for your use case. Either you can remove those arguments or send None for the additional arguments or use optional arguments.
Optional arguments can be added at the last by setting a default value for them like below.
code :
def renting_1(weeks, laptop=None):
    laptop = 5 * weeks
    if weeks > 10:
            laptop -= 120
    elif weeks > 5:
            laptop -= 50
    return laptop

def renting_2(number_of_textbooks, weeks, textbooks=None):
    textbooks = number_of_textbooks * 20 + (10 * weeks)
    if weeks >= 26:
            textbooks -= (5 * (weeks - 26))
    return textbooks

def school_cost(weeks, cost=None):
    cost = 200 * weeks
    return cost

def total_cost(weeks, number_of_textbooks):
    return renting_1(weeks) + renting_2(number_of_textbooks, weeks) + school_cost(weeks)

print total_cost(22, 4)

Python decorator that takes arbitrary number of functions as arguments and returns composition of functions


By : foe zaw
Date : March 29 2020, 07:55 AM
help you fix your problem I am trying to write a decorator that takes an arbitrary number of functions as positional arguments and then composes these functions with the function that is being decorated. , You need to use the "decorator-with arguments" pattern, so like this:
code :
def format(*fs):
    def deco(f):
        def wrapper(x):
            val = f(x)
            for func in fs:
                val = func(val)
            return val
        return wrapper
    return deco

Javascript - Problem with passing arguments to functions: passing them in diffrent order returns wrong values


By : user2238531
Date : March 29 2020, 07:55 AM
seems to work fine The function and the order in which you should pass the arguments is fixed. You can pass an object instead, and use object destructuring to mimic the arguments.
code :
function test({ a, b }) {
  console.log("TEST a: " + a + " (should be: 1)")
  console.log("TEST b: " + b + " (should be: 2)")
}

test({ a: 1, b: 2 });
test({ b: 2, a: 1 });
function test(arguments) {
  Object.keys(arguments).forEach(key => {
    console.log(`TEST ${key}: ${arguments[key]}`);
  })
}

test({ a: 1, b: 2 });
test({ b: 2, a: 1 });
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