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Is there an R function for finding the index of an element in a vector?
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The function match works on vectors :
x <- sample(1:10)
x
# [1] 4 5 9 3 8 1 6 10 7 2
match(c(4,8),x)
# [1] 1 5
match only returns the first encounter of a match, as you requested. It returns the position in the second argument of the values in the first argument.
Fo...
Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
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120
To answer my own question, this functionality has been added to pandas in the meantime. Starting...
How to change the default charset of a MySQL table?
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203
If you want to change the table default character set and all character columns to a new chara...
await vs Task.Wait - Deadlock?
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Mario Sannum
10.6k88 gold badges3434 silver badges4545 bronze badges
answered Oct 30 '12 at 14:19
Stephen ClearySte...
Can you add new statements to Python's syntax?
...y, have an until statement, which is the complement to while (until num == 0 is equivalent to while num != 0). In Ruby, I can write:
num = 3
until num == 0 do
puts num
num -= 1
end
And it will print:
3
2
1
So, I want to add a similar capability to Python. That is, being able to write:
num...
Appending an element to the end of a list in Scala
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400
List(1,2,3) :+ 4
Results in List[Int] = List(1, 2, 3, 4)
Note that this operation has a comp...
Is there a numpy builtin to reject outliers from a list
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10 Answers
10
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nServiceBus vs Mass Transit vs Rhino Service Bus vs other?
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answered Oct 23 '09 at 19:17
Udi DahanUdi Dahan
11.2k1919 silver badges3131 bronze badges
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What's the best way to communicate between view controllers?
...a controller, unless it's strictly "presentation" data.
Second, see page 10 of the Stanford presentation for an example of how to programmatically push a controller onto the navigation controller. For an example of how to do this "visually" using Interface Builder, take a look at this tutorial.
Th...
How to insert a character in a string at a certain position?
...e String for a better display output (instead of 1234.5 will be 1234.50 ). Therefore, I need a function that will take an int as parameter and return the properly formatted String with a decimal point 2 digits from the end.
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