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Plot two graphs in same plot in R

...object with basic aesthetics and enhance it incrementally. ggplot style requires data to be packed in data.frame. # Data generation x <- seq(-2, 2, 0.05) y1 <- pnorm(x) y2 <- pnorm(x,1,1) df <- data.frame(x,y1,y2) Basic solution: require(ggplot2) ggplot(df, aes(x)) + ...
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Will docker container auto sync time with the host machine?

... I don't know if the original question was more about timezones (e.g. making sure that the container will honor DST and timezone changes) or accurate time keeping (e.g. making sure that the container clock will not drift). If it's about timezones, that an...
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How does python numpy.where() work?

...f True/False values, not a single value. Furthermore, numpy arrays can be indexed by boolean arrays. E.g. x[x>5] yields [6 7 8], in this case. Honestly, it's fairly rare that you actually need numpy.where but it just returns the indicies where a boolean array is True. Usually you can do what y...
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NSLog the method name with Objective-C in iPhone

... To technically answer your question, you want: NSLog(@"<%@:%@:%d>", NSStringFromClass([self class]), NSStringFromSelector(_cmd), __LINE__); Or you could also do: NSLog(@"%s", __PRETTY_FUNCTION__); ...
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Entity Framework: There is already an open DataReader associated with this Command

...cenario when this always happens is when you iterate through result of the query (IQueryable) and you will trigger lazy loading for loaded entity inside the iteration. share | improve this answer ...
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When are C++ macros beneficial? [closed]

...ode fragments. Thus you can define a foreach macro: #define foreach(list, index) for(index = 0; index < list.size(); index++) And use it as thus: foreach(cookies, i) printf("Cookie: %s", cookies[i]); Since C++11, this is superseded by the range-based for loop. ...
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Multiple types were found that match the controller named 'Home'

... "{controller}/{action}/{id}", new { controller = "Home", action = "Index", id = UrlParameter.Optional }, new[] { "AppName.Controllers" } ); and in your ~/Areas/Admin/AdminAreaRegistration.cs: context.MapRoute( "Admin_default", "Admin/{controller}/{action}/{id}", new { acti...
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Java: Best way to iterate through a Collection (here ArrayList)

... The first one is useful when you need the index of the element as well. This is basically equivalent to the other two variants for ArrayLists, but will be really slow if you use a LinkedList. The second one is useful when you don't need the index of the element but ...
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How to delete or add column in SQLITE?

I want to delete or add column in sqlite database 19 Answers 19 ...
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Bypass popup blocker on window.open when JQuery event.preventDefault() is set

I want to show a JQuery dialog conditionally on click event of an hyperlink . 10 Answers ...