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What is tail call optimization?
...result after the call returns. As such, the stack looks as follows:
(fact 3)
(* 3 (fact 2))
(* 3 (* 2 (fact 1)))
(* 3 (* 2 (* 1 (fact 0))))
(* 3 (* 2 (* 1 1)))
(* 3 (* 2 1))
(* 3 2)
6
In contrast, the stack trace for the tail recursive factorial looks as follows:
(fact 3)
(fact-tail 3 1)
(fact-t...
Python: fastest way to create a list of n lists
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edited Oct 28 '19 at 15:53
answered Apr 1 '11 at 20:31
Sve...
How to create a loop in bash that is waiting for a webserver to respond?
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edited Apr 18 '14 at 15:43
Serge Stroobandt
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ans...
What is sr-only in Bootstrap 3?
... community wiki
8 revs, 6 users 73%anon
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How long is the SHA256 hash?
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346
A sha256 is 256 bits long -- as its name indicates.
Since sha256 returns a hexadecimal repres...
Array include any value from another array?
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NakilonNakilon
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UITableView with fixed section headers
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307
The headers only remain fixed when the UITableViewStyle property of the table is set to UITabl...
Possibility of duplicate Mongo ObjectId's being generated in two different collections?
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323
Short Answer
Just to add a direct response to your initial question: YES, if you use BSON Obj...
What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
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330
parseInt("123qwe")
returns 123
Number("123qwe")
returns NaN
In other words parseInt() pa...
Python Sets vs Lists
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236
It depends on what you are intending to do with it.
Sets are significantly faster when it come...