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What would cause an algorithm to have O(log n) complexity?
...o have that log2 16 = 4. Hmmm... what about 128?
128 / 2 = 64
64 / 2 = 32
32 / 2 = 16
16 / 2 = 8
8 / 2 = 4
4 / 2 = 2
2 / 2 = 1
This took seven steps, and log2 128 = 7. Is this a coincidence? Nope! There's a good reason for this. Suppose that we divide a number n by 2 i times. Then...
How do you create nested dict in Python?
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313
A nested dict is a dictionary within a dictionary. A very simple thing.
>>> d = {}
&...
Ruby on Rails Callback, what is difference between :before_save and :before_create?
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3 Answers
3
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.prop('checked',false) or .removeAttr('checked')?
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131
jQuery 3
As of jQuery 3, removeAttr does not set the corresponding property to false anymore:
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Appending to an empty DataFrame in Pandas?
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3 Answers
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How to insert an item into an array at a specific index (JavaScript)?
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var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";
console.log(arr.join());
arr.splice(2, 0, "Lene");
console.log(arr.join());
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In Matplotlib, what does the argument mean in fig.add_subplot(111)?
...a single integer. For example, "111" means "1x1 grid, first subplot" and "234" means "2x3 grid, 4th subplot".
Alternative form for add_subplot(111) is add_subplot(1, 1, 1).
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Maximum Length of Command Line String
...:08
Mofi
36.2k88 gold badges5353 silver badges101101 bronze badges
answered Jul 8 '10 at 15:10
sunetossunetos
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How can I use Bash syntax in Makefile targets?
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