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How to make graphics with transparent background in R using ggplot2?

...# for the inside of the boxplot ) Fastest way is using using rect, as all the rectangle elements inherit from rect: p <- p + theme( rect = element_rect(fill = "transparent") # all rectangles ) p More controlled way is to use options of theme: p <- p + theme( ...
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Single Line Nested For Loops

...ertools.product, which returns an iterable yielding tuples of values from all the iterables you pass it. That is, itertools.product(A, B) yields all values of the form (a, b), where the a values come from A and the b values come from B. For example: import itertools A = [50, 60, 70] B = [0.1, 0.2...
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Is there a C++ gdb GUI for Linux? [closed]

... Oh look. An answer that makes a claim without backing it up at all. I also find it odd that the answer which does not answer the question was accepted. – alternative Mar 19 '12 at 22:29 ...
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How to store arrays in MySQL?

...raberry" 2 | "banana" 2 | "apple" When you want to retrieve a person and all of their fruit you can do something like this: SELECT p.*, f.* FROM person p INNER JOIN person_fruit pf ON pf.person_id = p.id INNER JOIN fruits f ON f.fruit_name = pf.fruit_name ...
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Store query result in a variable using in PL/pgSQL

...s, as @Pavel commented. I shortened the syntax with a table alias additionally. Update: I removed my code example and suggest to use IF EXISTS() instead like provided by @Pavel. share | improve thi...
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Why can't static methods be abstract in Java?

.... static doesn't mean "not empty" -- that's just a consequence of Java not allowing static methods to be abstract. It means "callable on the class." (It should mean "callable only on the class" but that's another issue.) If Java supported abstract static methods I'd expect it to mean that the method...
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Installing MSBuild 4.0 without Visual Studio 2010

I installed .NET 4.0 and VS 2010 RC on my laptop and MSBuild was automatically installed. I was hoping to build a continuous integration server by just installing the .NET SDK without VS 2010, so I downloaded the .NET 4.0 Framework from Microsoft at this link . Unfortunately, it doesn't appear to...
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Format date to MM/dd/yyyy in JavaScript [duplicate]

... that's not actually MM/dd/yyyy. That's M/d/yyyy. Does your date need leading zeros? – Ray Wadkins Sep 25 '13 at 21:25 ...
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How to view the list of compile errors in IntelliJ?

I am looking for a way to view all compile errors in IntelliJ, similar to how they are displayed in Eclipse. I tried searching here and Google but have not really found a solution. I really like IntelliJ, I recently converted to it from Eclipse, and I hope this is just something I am missing and n...
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What is the difference between a map and a dictionary?

... terms ("Object" in Javascript, "Hash" in Ruby, "Table" in Lua), but those all have separate meanings in programming too, so I'd avoid them. See here for more info. share | improve this answer ...