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Add legend to ggplot2 line plot

... I tend to find that if I'm specifying individual colours in multiple geom's, I'm doing it wrong. Here's how I would 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_...
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Does Python optimize tail recursion?

...ecursion Elimination (2009-04-22) Final Words on Tail Calls (2009-04-27) You can manually eliminate the recursion with a transformation like this: >>> def trisum(n, csum): ... while True: # Change recursion to a while loop ... if n == 0: ... re...
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Convert JSON string to dict using Python

I'm a little bit confused with JSON in Python. To me, it seems like a dictionary, and for that reason I'm trying to do that: ...
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How to simulate a touch event in Android?

How to simulate a touch event with Android while giving the X and Y coordinates manually? 7 Answers ...
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What 'additional configuration' is necessary to reference a .NET 2.0 mixed mode assembly in a .NET 4

...ome of the .NET 4.0 features but a core requirement is that I can use the System.Data.SQLite framework which is compiled against 2.X. I see mention of this being possible such as the accepted answer here but I don't see how to actually achieve this. ...
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Javascript “Not a Constructor” Exception while creating objects

.... function x(a,b,c){} new x(1,2,3); // produces no errors You've probably done something like this: function Project(a,b,c) {} Project = {}; // or possibly Project = new Project new Project(1,2,3); // -> TypeError: Project is not a constructor Variable ...
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Why does the is operator return false when given null?

... This question was the subject of my blog on May 30th 2013. Thanks for the great question! You're staring at an empty driveway. Someone asks you "can your driveway hold a Honda Civic?" Yes. Yes it can. Someone points you at a second driveway. It is also...
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Which is more preferable to use: lambda functions or nested functions ('def')?

I mostly use lambda functions but sometimes use nested functions that seem to provide the same behavior. 16 Answers ...
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Choosing between qplot() and ggplot() in ggplot2 [closed]

...at ggplot2 package for plotting in R, and one of the first things I ask myself before each plot is "well, will I use qplot or ggplot ?" ...
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Pairwise crossproduct in Python [duplicate]

How can I get the list of cross product pairs from a list of arbitrarily long lists in Python? 3 Answers ...