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Getting “Skipping JaCoCo execution due to missing execution data file” upon executing JaCoCo
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jacoco-maven-plugin:0.7.10-SNAPSHOT
From jacoco:prepare-agent that says:
One of the ways to do this in case of maven-surefire-plugin - is to
use syntax for late property evaluation:
<plugin>
<groupId>org.apache.maven.plugins</groupId>...
OpenID vs. OAuth [duplicate]
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The About from the official OAuth site is very helpful. Didn't think it was worthy of another answer, but definitely a nice mention.
– mateuscb
Jun 12 '12 at 0:42
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Distributed sequence number generation?
...nerate the unique IDs on the clients themselves, using an approach derived from how UUIDs and Snowflake's IDs are made. There are multiple options, but something along the lines of:
The most significant 40 or so bits: A timestamp; the generation time of the ID. (We're using the most significant bi...
Can't install Ruby under Lion with RVM – GCC issues
...nt versions of XCode you need to install the command-line tools separately from the XCode menu -> Preferences -> Downloads -> Components. This is a pre-requisite for doing any compiling with XCode on the command-line, not just Ruby.
Note 2: If something doesn't work after following the ste...
For each row in an R dataframe
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Even if you pull it from a database, you can pull them all at once and then filter the result in R; that will be faster than an iterative function.
– Shane
Nov 10 '09 at 3:13
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How do you downgrade rubygems?
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This worked for me when downgrading from 1.5.2 to 1.4.2 because of old rails version:
sudo gem update --system 1.4.2
More information about downgrading/upgrading rubygems: https://github.com/rubygems/rubygems/blob/master/UPGRADING.md
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Remove white space below image [duplicate]
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That works, but I used the other answer below from Hasan Gürsoy, since his answer doesn't cause problems with text-align:center and other issues that occur when changing the display property.
– Doug S
Nov 21 '13 at 17:03
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Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
... Also happened for me using getImageData() on a canvas when loaded from file://.
– Timmmm
Jan 23 '11 at 16:39
6
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Emulate ggplot2 default color palette
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It is just equally spaced hues around the color wheel, starting from 15:
gg_color_hue <- function(n) {
hues = seq(15, 375, length = n + 1)
hcl(h = hues, l = 65, c = 100)[1:n]
}
For example:
n = 4
cols = gg_color_hue(n)
dev.new(width = 4, height = 4)
plot(1:n, pch = 16, cex = 2...
What is the advantage of using abstract classes instead of traits?
What is the advantage of using an abstract class instead of a trait (apart from performance)? It seems like abstract classes can be replaced by traits in most cases.
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