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Replace specific characters within strings
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With a regular expression and the function gsub():
group <- c("12357e", "12575e", "197e18", "e18947")
group
[1] "12357e" "12575e" "197e18" "e18947"
gsub("e", "", group)
[1] "12357" "12575" "19718" "18947"
What gsub does here is to replace each occurrence of "e" with an empty string "".
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Bash script to receive and repass quoted parameters
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edited Jan 15 '09 at 20:57
answered Jan 15 '09 at 20:50
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How does “make” app know default target to build if no target is specified?
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answered Jan 13 '10 at 15:19
anonanon
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Adding List.add() another list
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275
List<T>.Add adds a single element. Instead, use List<T>.AddRange to add multiple va...
How to save a data.frame in R?
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Sacha EpskampSacha Epskamp
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React ignores 'for' attribute of the label element
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527
The for attribute is called htmlFor for consistency with the DOM property API. If you're using...
HttpSecurity, WebSecurity and AuthenticationManagerBuilder
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edited Oct 1 '18 at 13:15
Patrick Cornelissen
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How to check status of PostgreSQL server Mac OS X
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95
The simplest way to to check running processes:
ps auxwww | grep postgres
And look for a comm...