大约有 260 项符合查询结果（耗时：0.0291秒） [XML]
Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
...00%;
height: 100%;
border-radius: 4px;
background-color: hsl(0, 0%, 96%);
}
.box {
border-radius: 4px;
display: flex;
}
.box img {
width: 100%;
object-fit: contain;
border-radius: 4px;
}
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Cached, PHP generated Thumbnails load slowly
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Update Page Speed Grade: (96%) YSlow Grade: (90%) ... and still the thumbnails are same slow as ever!
– Sam
Mar 11 '11 at 8:10
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How do I use LINQ Contains(string[]) instead of Contains(string)
...onvert the array to an IList<T>. msdn.microsoft.com/en-us/library/19e6zeyy.aspx
– spoulson
Oct 13 '08 at 1:11
T...
Escape a dollar sign in string interpolation
... answered Jun 1 '13 at 18:01
4e64e6
10.2k33 gold badges4545 silver badges5656 bronze badges
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What does .SD stand for in data.table in R
...ttps://sashat.me/2017/01/11/list-of-20-simple-distinct-colors/
col16 = c('#e6194b', '#3cb44b', '#ffe119', '#0082c8', '#f58231', '#911eb4',
'#46f0f0', '#f032e6', '#d2f53c', '#fabebe', '#008080', '#e6beff',
'#aa6e28', '#fffac8', '#800000', '#aaffc3')
par(oma = c(2, 0, 0, 0))
sappl...
What is a regular expression for a MAC Address?
... @pilcrow could you please explain why this mac: C8:FD:19:55:E6:3A fails? It's an actual mac address. I modified your regex to accept : only /^(?:[[:xdigit:]]{2}([:]))(?:[[:xdigit:]]{2}\1){4}[[:xdigit:]]{2}$/ Thanks!
– Sam
May 27 '19 at 15:37
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Fetch the row which has the Max value for a column
... community wiki
4 revs, 3 users 96%David Aldridge
40
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Fastest way to find second (third…) highest/lowest value in vector or column
...746.7627 1433.221 1500.7865 13768.148 100
For 1 million numbers:
N = 1e6 #evaluates to 1 million
x = rnorm(N)
microbenchmark::microbenchmark(
Rfast = Rfast::nth(x,5,descending = T),
maxN = maxN(x,5),
order = x[order(x, decreasing = T)[5]]
)
Unit: milliseconds
expr min ...
Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]
... community wiki
4 revs, 2 users 96%blaffie
52
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How do I parse a string to a float or int?
...erything with spaces in between cannot be converted, like "- 12.3" and "45 e6"
– Simon
Aug 12 '19 at 13:43
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