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Test if string is a number in Ruby on Rails
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edited Jul 3 '15 at 11:44
Joshua Pinter
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git push to specific branch
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ragerdl
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answered Oct 3 '13 at 8:36
Petr MensikPetr Mensik
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Looking for a clear definition of what a “tokenizer”, “parser” and...
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answered Dec 19 '08 at 9:25
Roger LipscombeRoger Lipscombe
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Add legend to ggplot2 line plot
... plot your data:
##Subset the necessary columns
dd_sub = datos[,c(20, 2,3,5)]
##Then rearrange your data frame
library(reshape2)
dd = melt(dd_sub, id=c("fecha"))
All that's left is a simple ggplot command:
ggplot(dd) + geom_line(aes(x=fecha, y=value, colour=variable)) +
scale_colour_manual(val...
Xcode 4.5 Storyboard 'Exit'
I have just installed Xcode 4.5 for iOS6 support, and I have seen a new icon called 'Exit' in my Storyboard, listed under my view controllers along with 'First Responder' etc. A little green icon labeled 'Exit'.
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I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
...example, in the following master branch, I need to trash just the commit af5c7bf16e6f04321f966b4231371b21475bc4da, which is the second due to previous rebase:
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Applying a git post-commit hook to all current and future repos
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VonCVonC
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git shallow clone (clone --depth) misses remote branches
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edited May 19 '14 at 18:56
answered May 17 '14 at 11:01
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What is the difference between inversedBy and mappedBy?
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mappedBy has to be specified on the inversed side of a (bidirectional) association
inversedBy ...
What's the difference between IQueryable and IEnumerable
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IEnumerable<T> represents a forward-only cursor of T. .NET 3.5 added extension methods that included the LINQ standard query operators like Where and First, with any operators that require predicates or anonymous functions taking Func<T>.
IQueryable<T> implements the same ...