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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...
Properties order in Margin
...
Margin="1,2,3,4"
Left,
Top,
Right,
Bottom
It is also possible to specify just two sizes like this:
Margin="1,2"
Left AND right
Top AND bottom
Finally you can specify a single size:
Margin="1"
used for all sides
The ord...
Html5 data-* with asp.net mvc TextboxFor html attributes
..."Geo") }
)
And for those who want to achieve the same in pre ASP.NET MVC 3 versions they could:
<%= Html.TextBoxFor(
model => model.Country.CountryName,
new Dictionary<string, object> {
{ "data-url", Url.Action("CountryContains", "Geo") }
}
) %>
...
Array include any value from another array?
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NakilonNakilon
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JavaScript is in array
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edited Mar 13 '12 at 3:44
adeneo
285k2323 gold badges345345 silver badges352352 bronze badges
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Can Vim highlight matching HTML tags like Notepad++?
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3 Answers
3
Active
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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
13
...
How to empty a list?
...bel with a new empty list:
del lst[:]
Here's an example:
lst1 = [1, 2, 3]
lst2 = lst1
del lst1[:]
print(lst2)
For the sake of completeness, the slice assignment has the same effect:
lst[:] = []
It can also be used to shrink a part of the list while replacing a part at the same time (but tha...
How long is the SHA256 hash?
...
346
A sha256 is 256 bits long -- as its name indicates.
Since sha256 returns a hexadecimal repres...