大约有 45,000 项符合查询结果（耗时：0.0716秒） [XML]
Remove duplicate values from JS array [duplicate]
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List distinct values in a vector in R
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169
Do you mean unique:
R> x = c(1,1,2,3,4,4,4)
R> x
[1] 1 1 2 3 4 4 4
R> unique(x)
[1] ...
What's the equivalent of use-commit-times for git?
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Python matplotlib multiple bars
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112
import matplotlib.pyplot as plt
from matplotlib.dates import date2num
import datetime
x = [
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Useful code which uses reduce()? [closed]
...n Scheme a lot...
Here's some cute usages:
Flatten a list
Goal: turn [[1, 2, 3], [4, 5], [6, 7, 8]] into [1, 2, 3, 4, 5, 6, 7, 8].
reduce(list.__add__, [[1, 2, 3], [4, 5], [6, 7, 8]], [])
List of digits to a number
Goal: turn [1, 2, 3, 4, 5, 6, 7, 8] into 12345678.
Ugly, slow way:
int("".j...
What kind of Garbage Collection does Go use?
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118
Plans for Go 1.4+ garbage collector:
hybrid stop-the-world/concurrent collector
stop-the-wor...
Abusing the algebra of algebraic data types - why does this work?
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140
Disclaimer: A lot of this doesn't really work quite right when you account for ⊥, so I'm goi...
Remove an item from a dictionary when its key is unknown
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python pandas dataframe to dictionary
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12 Answers
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Storing R.drawable IDs in XML array
...le within your /res/values folder that looks like this:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<integer-array name="random_imgs">
<item>@drawable/car_01</item>
<item>@drawable/balloon_random_02</item>
<item>@dr...