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Opposite of String.Split with separators (.net)
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qwlice
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answered Jan 18 '09 at 16:46
robintwrobintw
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Why do we need fibers
..., right? Check this out:
InfiniteSeries.new.take(10) # => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
I don't know if this uses fibers under the hood, but it could. Fibers can be used to implement infinite lists and lazy evaluation of a series. For an example of some lazy methods defined with Enumerators,...
Print commit message of a given commit in git
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edited Jul 28 '10 at 20:53
answered Jul 28 '10 at 20:47
m...
What does .SD stand for in data.table in R
...=c(1,3), v=1:6)
setkey(DT, y)
DT
# x y v
# 1: a 1 1
# 2: b 1 3
# 3: c 1 5
# 4: a 3 2
# 5: b 3 4
# 6: c 3 6
Doing this may help you see what .SD is:
DT[ , .SD[ , paste(x, v, sep="", collapse="_")], by=y]
# y V1
# 1: 1 a1_b3_c5
# 2: 3 a2_b4_c6
Basically, the by=y statement breaks the ...
open-ended function arguments with TypeScript
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The TypeScript way of doing this is to place the ellipsis operator (...) before the name of the ...
XSLT getting last element
... iliketocode
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answered Sep 22 '09 at 10:23
Robert ChristieRobert Christie
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How do I get the localhost name in PowerShell?
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Note: if your DNS name is longer than 15 characters, [System.Net.Dns]::GetHostName() (doesn't truncate) is better than $env:COMPUTERNAME (truncates)
– sonjz
Jul 19 '16 at 23:42
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Callback functions in C++
...priate callables for example:
std::vector<double> v{ 1.0, 2.2, 4.0, 5.5, 7.2 };
double r = 4.0;
std::for_each(v.begin(), v.end(), [&](double & v) { v += r; });
std::for_each(v.begin(), v.end(), [](double v) { std::cout << v << " "; });
which prints
5 6.2 8 9.5 11.2
An...
Use StringFormat to add a string to a WPF XAML binding
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Reed CopseyReed Copsey
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