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What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
...red a primitive in Java is descendant from AnyVal in Scala. Until Scala 2.10.0, AnyVal was sealed, and programmers were unable to extend it. It should be interesting to see what will happen with Scala on .Net, since interoperability alone calls for Scala to at least recognize user-defined "primitive...
Gradient of n colors ranging from color 1 and color 2
...friend here:
colfunc <- colorRampPalette(c("black", "white"))
colfunc(10)
# [1] "#000000" "#1C1C1C" "#383838" "#555555" "#717171" "#8D8D8D" "#AAAAAA"
# [8] "#C6C6C6" "#E2E2E2" "#FFFFFF"
And just to show it works:
plot(rep(1,10),col=colfunc(10),pch=19,cex=3)
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Get current value of a setting in Vim
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answered Jan 16 '10 at 17:28
JaredParJaredPar
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Ruby on Rails patterns - decorator vs presenter
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A decorator is more of a "let's add some functionality to this entity". A presenter is more of ...
RabbitMQ message size and types
...nt to read up on their performance measures:
http://www.rabbitmq.com/blog/2012/04/17/rabbitmq-performance-measurements-part-1/
http://www.rabbitmq.com/blog/2012/04/25/rabbitmq-performance-measurements-part-2/
Queues are pretty light weight, you will most likely be limited by the number of connection...
How to view revision history for Mercurial file?
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hg log file
hg diff -r 10 -r 20 file
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How to include (source) R script in other scripts
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edited Sep 11 '15 at 8:03
Roman
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answered Jun ...
jQuery - get a list of values of an attribute from elements of a class
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answered May 2 '10 at 16:02
KobiKobi
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There can be only one auto column
... of a composite key?
– Nubcake
Sep 20 '17 at 18:13
What is the syntax when altering the table?
–...
How to detect the device orientation using CSS media queries?
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answered Apr 20 '11 at 19:30
Richard SchneiderRichard Schneider
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