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Add legend to ggplot2 line plot

...tiple 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_sub, id=c("fecha")) All that's left is a simple ggplot command: ggplot(dd) + geom_line(aes(x=fecha, y=...
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Serializing an object as UTF-8 XML in .NET

...nt to suppress BOM you can use XmlWriter.Create(memoryStream, new XmlWriterSettings { Encoding = new UTF8Encoding(false) }). – ony Aug 21 '12 at 11:44 ...
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Efficiency of purely functional programming

...nput, and that the input consists of a sequence of atoms from an unbounded set of possible atoms, rather than a fixed size set. And the paper only establishes (lower bound) results for an impure algorithm of linear running time; for problems that require a greater running time, it is possible that t...
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Configuring Log4j Loggers Programmatically

...nfigure the appender String PATTERN = "%d [%p|%c|%C{1}] %m%n"; console.setLayout(new PatternLayout(PATTERN)); console.setThreshold(Level.FATAL); console.activateOptions(); //add appender to any Logger (here is root) Logger.getRootLogger().addAppender(console); FileAppender fa = new F...
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Pandas convert dataframe to array of tuples

... How about: subset = data_set[['data_date', 'data_1', 'data_2']] tuples = [tuple(x) for x in subset.to_numpy()] for pandas < 0.24 use tuples = [tuple(x) for x in subset.values] ...
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What is the purpose of AsQueryable()?

...lass WidgetController { public IWidgetRepository WidgetRepository {get; set;} public IQueryable<Widget> Get() { return WidgetRepository.Retrieve(); } } and I want to write a unit test to make sure the controller passes back the results returned from the repository. It'd ...
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What is the recommended way to use Vim folding for Python code

...e folds and the zR and zM commands, I'm right at home. Perfect for Python! set foldmethod=indent nnoremap <space> za vnoremap <space> zf share | improve this answer | ...
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font-style: italic vs oblique in CSS

... According to mozilla developer CSS tutorial : italic: Sets the text to use the italic version of the font if available; if not available, it will simulate italics with oblique instead. oblique: Sets the text to use a simulated version of an italic font, created by slanting th...
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How does Bluebird's util.toFastProperties function make an object's properties “fast”?

...makes it slow. assertFalse(%HasFastProperties(proto)); DoProtoMagic(proto, set__proto__); // Making it a prototype makes it fast again. assertTrue(%HasFastProperties(proto)); Reading and running this test shows us that this optimization indeed works in v8. However - it would be nice to see how. If ...
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SQL Server IN vs. EXISTS Performance

... point. The IN statement requires SQL Server to generate a complete result set, and then create a big IF statement I think. – Randy Minder Jan 14 '10 at 16:04 74 ...