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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
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edited Jul 18 '19 at 14:12
Codesmith
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answere...
Does the ternary operator exist in R?
...(x)]])
here, you don't need to take care about brackets:
> 1 ? 2*3 : 4
[1] 6
> 0 ? 2*3 : 4
[1] 4
> TRUE ? x*2 : 0
[1] 2
> FALSE ? x*2 : 0
[1] 0
but you need brackets for assignment :(
> y <- 1 ? 2*3 : 4
[1] 6
> y
[1] 1
> y <- (1 ? 2*3 : 4)
> y
[1] 6
Finally, y...
Set a persistent environment variable from cmd.exe
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Use the SETX command (note the 'x' suffix) to set variables that persist after the cmd window ha...
How do you obtain a Drawable object from a resource id in android package?
... Pete HoustonPete Houston
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What does the star operator mean, in a function call?
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s = sum(1, 2, c=10, d=15)
Also see section 4.7.4 - Unpacking Argument Lists of the Python documentation.
Additionally you can define functions to take *x and **y arguments, this allows a function to accept any number of positional and/or named arguments that aren't...
How can I sort a dictionary by key?
What would be a nice way to go from {2:3, 1:89, 4:5, 3:0} to {1:89, 2:3, 3:0, 4:5} ?
I checked some posts but they all use the "sorted" operator that returns tuples.
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Bash script processing limited number of commands in parallel
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Copy text to clipboard with iOS
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edited Aug 24 at 15:46
Iulian Onofrei
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Is == in PHP a case-sensitive string comparison?
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edited Feb 28 '17 at 17:46
Player1
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answered Aug 17 '10 at 20:3...