大约有 350 项符合查询结果（耗时：0.0191秒） [XML]
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 ...
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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Javascript Array.sort implementation?
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I believe V8 is now using TimSort: github.com/v8/v8/blob/78f2610345fdd14ca401d920c140f8f461b631d1/…
– celwell
Jan 1 '19 at 1:18
add a comment
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Getting attributes of Enum's value
... edited Jul 1 '19 at 19:53
15ee8f99-57ff-4f92-890c-b56153
35k77 gold badges4848 silver badges9797 bronze badges
answered Nov 25 '09 at 19:28
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How to compare two floating point numbers in Bash?
... scientific format, provided a capital letter E is employed, e.g. num1=3.44E6
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How can I remove a commit on GitHub? [duplicate]
...one) here's another possibility:
git reset --hard 71c27777543ccfcb0376dcdd8f6777df055ef479
Obviously swap in that number for the number of the commit you want to return to.
Everything since then will be deleted once you push again. To do that, the next step would be:
git push --force
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Proper way to return JSON using node or Express
...,
"timestamp": "2019-11-29T12:46:21.633Z",
"_id": "5de1131d8f7be5395080f7b9",
"name": "topics test xqxq",
"thumbnail": "waterfall-or-agile-inforgraphics-thumbnail-1575031579309.jpg",
"category_id": "5de0fe0b4f76c22ebce2b70a",
"__v": 0
},
{
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How to add 30 minutes to a JavaScript Date object?
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var in30Mins = new Date(+new Date() + 1.8e6) is a one–liner, but not sure it's any better than a two–liner. ;-)
– RobG
Jun 18 '17 at 12:44
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Generate GUID in MySQL for existing Data?
...25871427ba64e46 |
| Aalborg | 8d11bc300f203eb9cb7da7cb9204aa8f |
| Aba | 98aeeec8aa81a4064113764864114a99 |
| Abadan | 7aafe6bfe44b338f99021cbd24096302 |
| Abaetetuba | 9dd331c21b983c3a68d00ef6e5852bb5 |
| Abakan | e220629...
How can I validate a string to only allow alphanumeric characters in it?
...har.IsLetterOrDigit('ก') will return true. csharppad.com/gist/f96a6062f9f8f4e974f222ce313df8ca
– tia
Nov 16 '16 at 8:28
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