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Convert data.frame column to a vector?
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211
I'm going to attempt to explain this without making any mistakes, but I'm betting this will at...
USB Debugging option greyed out
I have an LG-E405 phone running Android 2.3.6.
15 Answers
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How to find a hash key containing a matching value
... I want to match the client_id? E.g. How to get the key for client_id == "2180" ?
10 Answers
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How to define hash tables in Bash?
...ray_$index=$value"
# Get a value:
arrayGet() {
local array=$1 index=$2
local i="${array}_$index"
printf '%s' "${!i}"
}
Let's use it:
$ sound=moo
$ animal=cow
$ declare "animals_$sound=$animal"
$ arrayGet animals "$sound"
cow
Note: declare cannot be put in a function. Any use of d...
How to generate a range of numbers between two numbers?
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28 Answers
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Programmatically go back to the previous fragment in the backstack
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12 Answers
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
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How do I find the location of my Python site-packages directory?
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21 Answers
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Unix command-line JSON parser? [closed]
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edited Dec 25 '18 at 3:31
answered Oct 4 '10 at 20:15
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