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How to use JavaScript regex over multiple lines?
I'd want the PRE block be picked up, even though it spans over newline characters. I thought the 'm' flag does it. Does not.
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Callback functions in Java
Is there a way to pass a call back function in a Java method?
17 Answers
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Why should eval be avoided in Bash, and what should I use instead?
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VAR+=( ['alpha']='beta' [2]=3 ) # Combine arrays
VAR['cow']='moo' # Set a single element
unset VAR['cow'] # Unset a single element
unset VAR # Unset an entire array
unset VAR[@] # Unset an entire array
unset VAR[*] # Unset each element with a key corresponding to a file in the
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check if a std::vector contains a certain object? [duplicate]
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If searching for an element is important, I'd recommend std::set instead of std::vector. Using this:
std::find(vec.begin(), vec.end(), x) runs in O(n) time, but std::set has its own find() member (ie. myset.find(x)) which runs in O(log n) time - that's much more efficient with large ...
How to check if a file contains a specific string using Bash
I want to check if a file contains a specific string or not in bash. I used this script, but it doesn't work:
11 Answers
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Python Infinity - Any caveats?
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Plot correlation matrix into a graph
...the ballpark:
library(lattice)
#Build the horizontal and vertical axis information
hor <- c("214", "215", "216", "224", "211", "212", "213", "223", "226", "225")
ver <- paste("DM1-", hor, sep="")
#Build the fake correlation matrix
nrowcol <- length(ver)
cor <- matrix(runif(nrowcol*nro...
Check variable equality against a list of values
I'm checking a variable, say foo , for equality to a number of values. For example,
13 Answers
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Inline comments for Bash?
I'd like to be able to comment out a single flag in a one-line command. Bash only seems to have from # till end-of-line comments. I'm looking at tricks like:
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Google Maps API v2: How to make markers clickable?
...All markers in Google Android Maps Api v2 are clickable. You don't need to set any additional properties to your marker.
What you need to do - is to register marker click callback to your googleMap and handle click within callback:
public class MarkerDemoActivity extends android.support.v4.app.Frag...