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What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
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mel3kingsmel3kings
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add a...
How to deal with “data of class uneval” error from ggplot2?
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165
when you add a new data set to a geom you need to use the data= argument. Or put the arguments ...
Ruby regular expression using variable name
...omatically converted to a regular expression. I know it was that way in 1.6. I don't recall which version introduced the change).
As noted in other answers, you can use Regexp.new as an alternative to interpolation:
var = "*This*"
str = "*This* is a string"
p str.gsub(Regexp.new(Regexp.escape(va...
How to replace all strings to numbers contained in each string in Notepad++?
...he following lines
value="4"
value="403"
value="200"
value="201"
value="116"
value="15"
using the .*"\d+" pattern and want to keep only the number. You can then use a capture group in your matching pattern, using parentheses ( and ), like that: .*"(\d+)". So now in your replacement you can simply...
How can I make Vim's `J` and `gq` commands use one space after a period?
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edited Jan 21 '11 at 16:06
answered Jan 21 '11 at 15:24
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getApplicationContext(), getBaseContext(), getApplication(), getParent()
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HarinderHarinder
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16
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Node.js + Express: Routes vs controller
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Michelle TilleyMichelle Tilley
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Printing newlines with print() in R
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26
You can do this:
cat("File not supplied.\nUsage: ./program F=filename\n")
Notice that cat has...
“git rm --cached x” vs “git reset head -- x”?
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answered Apr 27 '11 at 6:14
manojldsmanojlds
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How to check if a column exists in Pandas
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643
This will work:
if 'A' in df:
But for clarity, I'd probably write it as:
if 'A' in df.colu...