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What are the rules for the “…” token in the context of variadic templates?
...t side of ... is repeated — the unpacked patterns (call them expressions now) are separated by comma ,.
It can be best understood by some examples. Suppose you have this function template:
template<typename ...T> //pack
void f(T ... args) //pack
{
// here are unpack patterns
g( a...
Understanding the map function
...e you a new list that holds the addition of elements at a specific index.
Now remember map(), needs a function. This time we'll use the builtin sum() function. Running map() gives the following result:
>>> map(sum, list_one, list_two, list_three)
[33, 36, 39, 42, 45]
REMEMBER:
In Python...
Profiling Vim startup time
...ugins over the years. I’m a bit fed up with how long Vim takes to start now, so I’d like to profile its startup and see which of the many plugins I have are responsible.
...
IN clause and placeholders
... filter empty IN lists, in those cases, the "IN?" is replaced with "1" for now.
– SandWyrm
Jul 3 '13 at 21:19
3
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What is the difference between .text, .value, and .value2?
...book.Sheets(1)
.Range(rngAddress).Offset(0, 1).ClearContents
beginTime = Now
For Each aCell In .Range(rngAddress).Cells
If useValue2 Then
aCell.Offset(0, 1).Value2 = aCell.Value2 + aCell.Offset(-1, 1).Value2
Else
aCell.Offset(0, 1).Value = aCell.Value + aCell.Offset(-1, 1)...
How do you convert a byte array to a hexadecimal string, and vice versa?
...t a String. String myValue = 10.ToString("X"); myValue is "A" not "0A". Now go read that string back into bytes, oops you broke it.
– 00jt
Jan 30 '13 at 19:25
...
Does IMDB provide an API? [closed]
... Advanced API no longer exists. The good news is, that the Suggestions API now supports the "advanced" features of searching by film titles and actor names as well.
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How do I get the different parts of a Flask request's url?
...
new to Flask, i didn’t know where request object come from and how it works, here it is: flask.pocoo.org/docs/0.12/reqcontext
– Ulysse BN
Jan 27 '17 at 23:20
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@selector() in Swift?
.... (In previous versions you got that attribute for free in some cases, but now you have to explicitly declare it.)
Remember that private symbols aren't exposed to the runtime, too — your method needs to have at least internal visibility.
Key paths: These are related to but not quite the same as se...
IIS_IUSRS and IUSR permissions in IIS8
...ine):
Press OK to add the user
With the new user (your domain) selected, now you can safely provide any Modify or Write permissions
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