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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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find vs find_by vs where
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JohnJohn
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What should main() return in C and C++?
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edited Nov 23 '19 at 9:21
Community♦
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answered Oct 15 '08 at 12:16
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What is __init__.py for?
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It used to be a required part of a package (old, pre-3.3 "regular package", not newer 3.3+ "namespace package").
Here's the documentation.
Python defines two types of packages, regular packages and namespace packages. Regular packages are traditional packages as they exist...
How to parse a JSON string into JsonNode in Jackson?
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377
A slight variation on Richards answer but readTree can take a string so you can simplify it to...
How to access array elements in a Django template?
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311
Remember that the dot notation in a Django template is used for four different notations in Py...
How to show and update echo on same line
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203
Well I did not read correctly the man echo page for this.
echo had 2 options that could do this...
RegEx: Smallest possible match or nongreedy match
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3 Answers
3
Active
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form_for but to post to a different action
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answered Mar 16 '11 at 2:43
AustinAustin
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“This project is incompatible with the current version of Visual Studio”
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edited May 24 '19 at 13:53
piet.t
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answered D...