大约有 47,000 项符合查询结果（耗时：0.0610秒） [XML]
How do I get the localhost name in PowerShell?
...
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
...
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 ...
Get epoch for a specific date using Javascript
...|
edited Oct 8 '13 at 20:15
majgis
3,72933 gold badges3232 silver badges4141 bronze badges
answered Jul ...
Android - shadow on text?
...
Cœur
29.8k1515 gold badges166166 silver badges214214 bronze badges
answered Mar 21 '10 at 14:06
Jim SchubertJim ...
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...
warning: implicit declaration of function
... |
edited Dec 9 '11 at 3:53
answered Dec 9 '11 at 3:50
cni...
Why does Sql Server keep executing after raiserror when xact_abort is on?
...
edited Oct 10 '13 at 20:25
Ian Boyd
211k216216 gold badges774774 silver badges10851085 bronze badges
an...
Namespace for [DataContract]
...
answered Sep 13 '11 at 12:25
CD..CD..
61.9k2424 gold badges131131 silver badges149149 bronze badges
...
Find substring in the string in TWIG
...03ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C...
assign multiple variables to the same value in Javascript
...
5 Answers
5
Active
...