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Is there an R function for finding the index of an element in a vector?
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481
The function match works on vectors :
x <- sample(1:10)
x
# [1] 4 5 9 3 8 1 6 10 7 ...
sqlalchemy flush() and get inserted id?
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zzzeekzzzeek
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How to convert a Java 8 Stream to an Array?
What is the easiest/shortest way to convert a Java 8 Stream into an array?
10 Answers
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How to parameterize @Scheduled(fixedDelay) with Spring 3.0 expression language?
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answered Apr 8 '10 at 19:08
Grzegorz OledzkiGrzegorz Oledzki
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How to get UTC time in Python?
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185
Try this code that uses datetime.utcnow():
from datetime import datetime
datetime.utcnow()
F...
Why specify @charset “UTF-8”; in your CSS file?
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It tells the browser to read the css file as UTF-8. This is handy if your CSS contains unicode characters and not only ASCII.
Using it in the meta tag is fine, but only for pages that include that meta tag.
Read about the rules for character set resolution of CSS files at...
Optional query string parameters in ASP.NET Web API
... frapontillofrapontillo
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Any way to force strict mode in node?
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edited Nov 16 '16 at 7:48
answered Jan 7 '13 at 18:14
Cha...
C compile error: “Variable-sized object may not be initialized”
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edited Jun 21 '10 at 8:33
answered Jun 21 '10 at 8:06
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How to remove specific elements in a numpy array
...specific question:
import numpy as np
a = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9])
index = [2, 3, 6]
new_a = np.delete(a, index)
print(new_a) #Prints `[1, 2, 5, 6, 8, 9]`
Note that numpy.delete() returns a new array since array scalars are immutable, similar to strings in Python, so each time a c...