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What is a plain English explanation of “Big O” notation?
... changes the comparison; and
complexity: if it takes me one second to sort 10,000 elements, how long will it take me to sort one million? Complexity in this instance is a relative measure to something else.
Come back and reread the above when you've read the rest.
The best example of Big-O I can ...
Why is === faster than == in PHP?
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answered Mar 8 '10 at 13:16
meder omuralievmeder omuraliev
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How to get a random number in Ruby
...get for that feature).
For instance, in this game where you need to guess 10 numbers, you can initialize them with:
10.times.map{ 20 + Random.rand(11) }
#=> [26, 26, 22, 20, 30, 26, 23, 23, 25, 22]
Note:
Using Random.new.rand(20..30) (using Random.new) generally would not be a good idea, ...
Is there a “not in” operator in JavaScript for checking object properties?
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JordãoJordão
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11
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How to initialise memory with new operator in C++?
...ut it actually has special syntax for value-initializing an array:
new int[10]();
Note that you must use the empty parentheses — you cannot, for example, use (0) or anything else (which is why this is only useful for value initialization).
This is explicitly permitted by ISO C++03 5.3.4[expr.new]...
One line if statement not working
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answered Sep 30 '10 at 5:01
Nikita RybakNikita Rybak
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Hidden Features of JavaScript? [closed]
... is being deprecated.
– ken
Dec 29 '10 at 21:50
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Java String split removed empty values
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answered Jan 30 '13 at 10:44
jlordojlordo
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Definition of a Balanced Tree
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edited Dec 18 '15 at 10:27
Sk8erPeter
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answe...
Test if number is odd or even
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edited Jan 10 '13 at 21:03
Francisco Luz
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