大约有 500 项符合查询结果（耗时：0.0444秒） [XML]
How can I build XML in C#?
... community wiki
4 revs, 4 users 92%user65199
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How to make a great R reproducible example
...thing on larger objects, you can try
my.df2 <- data.frame(a = sample(10e6), b = sample(letters, 10e6, replace = TRUE))
If you're working with spatial data via the raster package, you can generate some random data. A lot of examples can be found in the package vignette, but here's a small nugge...
Checking if a key exists in a JavaScript object?
...t = "Impression" in array;
The result was
12,931,832 ±0.21% ops/sec 92% slower
Using hasOwnProperty
var result = array.hasOwnProperty("Impression")
The result was
16,021,758 ±0.45% ops/sec 91% slower
Accessing elements directly (brackets style)
var result = array["Impression"] === un...
What is the most frequent concurrency issue you've encountered in Java? [closed]
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2 revs, 2 users 92%Jared
63
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Copy a file in a sane, safe and efficient way
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5 revs, 2 users 92%Donald Duck
1
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Is there a macro recorder for Eclipse? [closed]
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We have 'Eclipse Macro' >> wiki.eclipse.org/E4/Macros
– Anver Sadhat
Jan 9 '19 at 12:26
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Regex using javascript to return just numbers
...mmadUmer, @meder: You two should combine forces: parseInt('987d98sf79s7f9s8f9sf'.match(/\d+/gi).join(''))
– Joisey Mike
Jan 12 '17 at 19:21
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Random strings in Python
...rk for you:
>>> import uuid
>>> print uuid.uuid4()
58fe9784-f60a-42bc-aa94-eb8f1a7e5c17
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How do I check which version of NumPy I'm using?
...orkx (1.11)
nltk (3.2.2)
nose (1.3.7)
notebook (5.0.0)
numba (0.32.0+0.g139e4c6.dirty)
numexpr (2.6.2)
numpy (1.11.3) <--
numpydoc (0.6.0)
odo (0.5.0)
openpyxl (2.4.1)
pandas (0.20.1)
pandocfilters (1.4.1)
....
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Using comma as list separator with AngularJS
...@PhilippReichart sorry for the delay. Here is an example: jsfiddle.net/Sek8F -- looks like you are targeting a string where as I am referring to an object.
– Ravi Ram
Feb 11 '14 at 0:25
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