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RegEx - Match Numbers of Variable Length
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135
{[0-9]+:[0-9]+}
try adding plus(es)
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How to sum a variable by group
...Frequency, by=list(Category=x$Category), FUN=sum)
Category x
1 First 30
2 Second 5
3 Third 34
In the example above, multiple dimensions can be specified in the list. Multiple aggregated metrics of the same data type can be incorporated via cbind:
aggregate(cbind(x$Frequency, x$Metri...
How to pass all arguments passed to my bash script to a function of mine? [duplicate]
...ter expands to a separate word. That is "$@" is equivalent to "$1" "$2" "$3"....
Passing some arguments:
If you want to pass all but the first arguments, you can first use shift to "consume" the first argument and then pass "$@" to pass the remaining arguments to another command. In bash (and zsh ...
How to add multiple files to Git at the same time
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answered Oct 24 '13 at 20:39
daxdax
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Decreasing height of bootstrap 3.0 navbar
I am trying to decrease bootstrap 3.0 navbar height which is used with fixed top behavior. Here i am using code.
9 Answers
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How to declare constant map
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edited Feb 23 '17 at 22:50
Robert P
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Datatype for storing ip address in SQL Server
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130
The technically correct way to store IPv4 is binary(4), since that is what it actually is (no, ...
How to randomly sort (scramble) an array in Ruby?
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293
Built in now:
[1,2,3,4].shuffle => [2, 1, 3, 4]
[1,2,3,4].shuffle => [1, 3, 2, 4]
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Difference between decimal, float and double in .NET?
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2310
float and double are floating binary point types. In other words, they represent a number like...
Python TypeError: not enough arguments for format string
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3 Answers
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