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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)
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In contrast, the stack trace for the tail recursive factorial looks as follows:
(fact 3)
(fact-tail 3 1)
(fact-t...
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...
Split a python list into other “sublists” i.e smaller lists [duplicate]
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3 Answers
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UITableView with fixed section headers
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The headers only remain fixed when the UITableViewStyle property of the table is set to UITabl...
what are the .map files used for in Bootstrap 3.x?
...enSteve Jansen
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How can I use Server.MapPath() from global.asax?
...s technique?
– John Bubriski♦
Jun 3 '09 at 15:00
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Nope. If you fire up Reflector, you'll noti...
Python Sets vs Lists
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It depends on what you are intending to do with it.
Sets are significantly faster when it come...
In R, how to get an object's name after it is sent to a function?
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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...