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sys.argv[1] meaning in script
...
> python print_args.py
['print_args.py'] 1
> python print_args.py foo and bar
['print_args.py', 'foo', 'and', 'bar'] 4
> python print_args.py "foo and bar"
['print_args.py', 'foo and bar'] 2
> python print_args.py "foo and bar" and baz
['print_args.py', 'foo and bar', 'and', 'baz'] ...
Can I invoke an instance method on a Ruby module without including it?
... call it off of Mods as if it had been declared as
module Mods
def self.foo
puts "Mods.foo(self)"
end
end
The module_function approach below will avoid breaking any classes which include all of Mods.
module Mods
def foo
puts "Mods.foo"
end
end
class Includer
include Mods
end
...
Git: Show all of the various changes to a single line in a specified file over the entire git histor
I've looked around, and am not sure if this is possible, but here goes:
5 Answers
5
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How do I provide a username and password when running “git clone git@remote.git”?
...ch private key to use.
For example, suppose you had two GitHub accounts: foo and bar. Your ssh key for foo is ~/.ssh/foo_github_id and your ssh key for bar is ~/.ssh/bar_github_id. You want to access git@github.com:foo/foo.git with your foo account and git@github.com:bar/bar.git with your bar ac...
How do I remove the file suffix and path portion from a path string in Bash?
Given a string file path such as /foo/fizzbuzz.bar , how would I use bash to extract just the fizzbuzz portion of said string?
...
Is it possible to print a variable's type in standard C++?
... return r;
}
The Results
With this solution I can do this:
int& foo_lref();
int&& foo_rref();
int foo_value();
int
main()
{
int i = 0;
const int ci = 0;
std::cout << "decltype(i) is " << type_name<decltype(i)>() << '\n';
std::cout << ...
How to compute the sum and average of elements in an array?
I am having problems adding all the elements of an array as well as averaging them out. How would I do this and implement it with the code I currently have? The elements are supposed to be defined as I have it below.
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Mocking python function based on input arguments
..."
elif args[0] == 43:
return "Called with 43"
elif kwargs['foo'] == 7:
return "Foo is seven"
mockobj.mockmethod.side_effect = my_side_effect
That does the trick
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im...
When is null or undefined used in JavaScript? [duplicate]
...various scenarios:
You declare a variable with var but never set it.
var foo;
alert(foo); //undefined.
You attempt to access a property on an object you've never set.
var foo = {};
alert(foo.bar); //undefined
You attempt to access an argument that was never provided.
function myFunction (fo...