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How to calculate the number of days between two dates? [duplicate]
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581
const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new ...
List all svn:externals recursively?
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144
Do the following in the root of your working copy:
svn propget svn:externals -R
As discusse...
How does one make random number between range for arc4random_uniform()?
... for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this:
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TypeScript sorting an array
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187
The error is completely correct.
As it's trying to tell you, .sort() takes a function that re...
How to declare array of zeros in python (or an array of a certain size) [duplicate]
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10 Answers
10
Active
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How to redirect stderr and stdout to different files in the same line in script?
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Just add them in one line command 2>> error 1>> output
However, note that >> is for appending if the file already has data. Whereas, > will overwrite any existing data in the file.
So, command 2> error 1> output if you do not want to append.
Ju...
How to not run an example using roxygen2?
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147
Use \dontrun{}
#'@examples
#'\dontrun{
#'geocode("3817 Spruce St, Philadelphia, PA 19104")
#'...
Counting occurrences in Vim without marking the buffer changed
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166
To avoid the substitution, leave the second pattern empty, and add the “n” flag:
:%s/patt...
How to escape a single quote inside awk
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163
This maybe what you're looking for:
awk 'BEGIN {FS=" ";} {printf "'\''%s'\'' ", $1}'
That i...
How can I use Bash syntax in Makefile targets?
...syntax very helpful, e.g. process substitution like in diff <(sort file1) <(sort file2) .
6 Answers
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