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Annotating text on individual facet in ggplot2

... Typically you'd do something like this: ann_text <- data.frame(mpg = 15,wt = 5,lab = "Text", cyl = factor(8,levels = c("4","6","8"))) p + geom_text(data = ann_text,label = "Text") It should work without specifying the factor variable comple...
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Using a dispatch_once singleton model in Swift

...variables), and is thread safe by the definition of let. This is now officially recommended way to instantiate a singleton. Class constants were introduced in Swift 1.2. If you need to support an earlier version of Swift, use the nested struct approach below or a global constant. Nested struct cl...
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Python: Find in list

...e which suffers from inaccuracy. As for your second question: There's actually several possible ways if "finding" things in lists. Checking if something is inside This is the use case you describe: Checking whether something is inside a list or not. As you know, you can use the in operator for th...
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Converting NumPy array into Python List structure?

...ype" (in a list). If you want to preserve the numpy data types, you could call list() on your array instead, and you'll end up with a list of numpy scalars. (Thanks to Mr_and_Mrs_D for pointing that out in a comment.) share ...
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Remove border radius from Select tag in bootstrap 3

... Here is a version that works in all modern browsers. The key is using appearance:none which removes the default formatting. Since all of the formatting is gone, you have to add back in the arrow that visually differentiates the select from the input. Note: ...
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How to unzip files programmatically in Android?

I need a small code snippet which unzips a few files from a given .zip file and gives the separate files according to the format they were in the zipped file. Please post your knowledge and help me out. ...
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ValueError: setting an array element with a sequence

...9 when building an array of objects (not necessarily lists) that implement __getitem__ as specified here:github.com/numpy/numpy/issues/5100 – dashesy Nov 21 '14 at 19:13 add a...
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Converting from IEnumerable to List [duplicate]

...to a Generic List. //ArrayList Implements IEnumerable interface ArrayList _provinces = new System.Collections.ArrayList(); _provinces.Add("Western"); _provinces.Add("Eastern"); List<string> provinces = _provinces.Cast<string>().ToList(); If you're using Generic version IEnumerable&...
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How to make an HTTP POST web request

... it is great to have such short piece of code. – user_v Sep 11 '13 at 6:15 3 Tim - If you right c...
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config.assets.compile=true in Rails production, why not?

The default Rails app installed by rails new has config.assets.compile = false in production. 7 Answers ...