function Archives - Page 7 of 11

How can I call a function within a class?

I have this code which calculates the distance between two coordinates. The two functions are both within the same class. However, how do ...

May 12, 2022
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How can I handle the warning of file_get_contents() function in PHP?

I wrote a PHP code like this $site="http://www.google.com"; $content = file_get_content($site); echo $content; But when I remove “http://” from $site I get the ...

May 12, 2022
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Ignore python multiple return value

Say I have a Python function that returns multiple values in a tuple: def func(): return 1, 2 Is there a nice way ...

May 12, 2022
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How do I create a Python function with optional arguments?

I have a Python function which takes several arguments. Some of these arguments could be omitted in some scenarios. def some_function (self, a, ...

May 11, 2022
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How to add an object to an array

How can I add an object to an array (in javascript or jquery)? For example, what is the problem with this code? function() ...

May 10, 2022
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How to explain callbacks in plain english? How are they different from calling one function from another function?

How to explain callbacks in plain English? How are they different from calling one function from another function taking some context from the ...

May 9, 2022
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How do Python functions handle the types of parameters that you pass in?

Unless I’m mistaken, creating a function in Python works like this: def my_func(param1, param2): # stuff However, you don’t actually give the types ...

May 8, 2022
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Simplest/cleanest way to implement a singleton in JavaScript

What is the simplest/cleanest way to implement the singleton pattern in JavaScript? 40 Answers 40 I think the easiest way is to declare ...

May 7, 2022
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Passing a dictionary to a function as keyword parameters

I’d like to call a function in python using a dictionary. Here is some code: d = dict(param='test') def f(param): print(param) f(d) This ...

May 7, 2022
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JavaScript check if variable exists (is defined/initialized)

Which method of checking if a variable has been initialized is better/correct? (Assuming the variable could hold anything (string, int, object, function, etc.)) ...

May 5, 2022
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