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Array include any value from another array?
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edited Jan 18 at 6:58
answered Oct 15 '10 at 11:55
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Is there a way to 'uniq' by column?
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sort -u -t, -k1,1 file
-u for unique
-t, so comma is the delimiter
-k1,1 for the key field 1
Test result:
overflow@domain2.com,2009-11-27 00:58:29.793000000,xx3.net,255.255.255.0
stack2@domain.com,2009-11-27 01:05:47.893000000,xx2.n...
Force the origin to start at 0
... scale_x_continuous, and scale_y_continuous. Try:
df <- data.frame(x = 1:5, y = 1:5)
p <- ggplot(df, aes(x, y)) + geom_point()
p <- p + expand_limits(x = 0, y = 0)
p # not what you are looking for
p + scale_x_continuous(expand = c(0, 0)) + scale_y_continuous(expand = c(0, 0))
You m...
Replacing NULL with 0 in a SQL server query
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11 Answers
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Calling a Method From a String With the Method's Name in Ruby
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edited Nov 21 '18 at 21:35
mu is too short
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Is it worth using Python's re.compile?
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I've had a lot of experience running a compiled regex 1000s of times versus compiling on-the-fly, and have not noticed any perceivable difference. Obviously, this is anecdotal, and certainly not a great argument against compiling, but I've found the difference to be negligible....
Principal component analysis in Python
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11 Answers
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SSH library for Java [closed]
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121
The Java Secure Channel (JSCH) is a very popular library, used by maven, ant and eclipse. It i...
How can I easily view the contents of a datatable or dataview in the immediate window
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168
The Visual Studio debugger comes with four standard visualizers. These are the text, HTML, and...