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Shuffle an array with python, randomize array item order with python
What's the easiest way to shuffle an array with python?
11 Answers
11
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Algorithm to generate all possible permutations of a list?
...
Here is an algorithm in Python that works by in place on an array:
def permute(xs, low=0):
if low + 1 >= len(xs):
yield xs
else:
for p in permute(xs, low + 1):
yield p
for i in range(low + 1, len(xs)):
xs[low]...
How to get last key in an array?
How can I get the last key of an array?
18 Answers
18
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Ruby class types and case statements
...object given in the when clause. In Ruby
case item
when MyClass
...
when Array
...
when String
...
is really
if MyClass === item
...
elsif Array === item
...
elsif String === item
...
Understand that case is calling a threequal method (MyClass.===(item) for example), and that method can be de...
Illegal string offset Warning PHP
... this way.... I have tested this code.... It works....
$memcachedConfig = array("host" => "127.0.0.1","port" => "11211");
print_r($memcachedConfig['host']);
share
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improve this answer
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What is the purpose of using -pedantic in GCC/G++ compiler?
...tandard. Consider for example the program
struct test {
int zero_size_array[0];
};
The C11 draft n1570 paragraph 6.7.6.2p1 says:
In addition to optional type qualifiers and the keyword static, the [ and ] may delimit an expression or *. If they delimit an expression (which specifies the s...
JavaScript click event listener on class
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This should work. getElementsByClassName returns an array Array-like object(see edit) of the elements matching the criteria.
var elements = document.getElementsByClassName("classname");
var myFunction = function() {
var attribute = this.getAttribute("data-myattribute");
...
Copy array items into another array
I have a JavaScript array dataArray which I want to push into a new array newArray . Except I don't want newArray[0] to be dataArray . I want to push in all the items into the new array:
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How do you remove an array element in a foreach loop?
I want to loop through an array with foreach to check if a value exists. If the value does exist, I want to delete the element which contains it.
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Why use the params keyword?
...ithout params, you can’t.
Additionally, you can call the method with an array as a parameter in both cases:
addTwoEach(new int[] { 1, 2, 3, 4, 5 });
That is, params allows you to use a shortcut when calling the method.
Unrelated, you can drastically shorten your method:
public static int add...