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Difference between ref and out parameters in .NET [duplicate]
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On the upside, ref can save an extra copy of a Struct from being made during a function call. On the downside, a Class could be initialized to null, so you STILL have to guard against that.
– Michael Brown
Oct 5 '12 at 16:54
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Join a list of items with different types as string in Python
...ist of items. Many of the items in the list are integer values returned from a function; i.e.,
9 Answers
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JavaScript URL Decode function
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Here is a complete function (taken from PHPJS):
function urldecode(str) {
return decodeURIComponent((str+'').replace(/\+/g, '%20'));
}
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Shuffle an array with python, randomize array item order with python
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Alternative way to do this using sklearn
from sklearn.utils import shuffle
X=[1,2,3]
y = ['one', 'two', 'three']
X, y = shuffle(X, y, random_state=0)
print(X)
print(y)
Output:
[2, 1, 3]
['two', 'one', 'three']
Advantage: You can random multiple arrays simultane...
In c# is there a method to find the max of 3 numbers?
...ly perform better until you optimize your code, it's lead shrinks as we go from 2 -> 3 -> 4, even adding MoreMath.Max(x, y) incures an measureable overhead. Math.Max ~ (1,2) 43ms, (2,1) ~38ms, Inlined ~ (1,2) 58ms, (2,1) ~53ms, Delegated~ (1,2) 69ms, (2,1) ~61ms. -> Math on 3 values: ~55ms,...
How to find if div with specific id exists in jQuery?
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any additional ideas from anyone?
– sadmicrowave
Aug 2 '10 at 13:53
2
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JavaScript checking for null vs. undefined and difference between == and ===
...nse would be "null", since it definitely should return something different from typeof undefined. null represents a null object reference, which, at the very least, means the variable holding it is meant for some type of 'object'. If it was a mistake, it was a good mistake. Anyway, in regards to ...
Captured variable in a loop in C#
... return this.variable * 2;
}
}
This isn't actually the compiled code from your sample, but I've examined my own code and this looks very much like what the compiler would actually generate.
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std::string to char*
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You should explain where strdup is from.
– L. F.
May 8 '19 at 10:31
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How to create a jQuery function (a new jQuery method or plugin)?
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From the Docs:
(function( $ ){
$.fn.myfunction = function() {
alert('hello world');
return this;
};
})( jQuery );
Then you do
$('#my_div').myfunction();
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