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data.table vs dplyr: can one do something well the other can't or does poorly?

..., not so much with dplyr . I've read through some dplyr vignettes and em>xm>amples that have popped up on SO, and so far my conclusions are that: ...
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Search and replace in bash using regular em>xm>pressions

I've seen this em>xm>ample: 6 Answers 6 ...
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Which is more preferable to use: lambda functions or nested functions ('def')?

...r for an assignment, so the result is the same, and they are a lot more flem>xm>ible and readable. lambdas can be used for use once, throw away functions which won't have a name. However, this use case is very rare. You rarely need to pass around unnamed function objects. The builtins map() and filte...
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Multiple returns from a function

... 1 2 Nem>xm>t 163 ...
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Scatterplot with marginal histograms in ggplot2

...elow in ggplot2 ? In Matlab it is the scatterhist() function and there em>xm>ist equivalents for R as well. However, I haven't seen it for ggplot2. ...
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Em>xm>ample use of “continue” statement in Python?

... Here's a simple em>xm>ample: for letter in 'Django': if letter == 'D': continue print("Current Letter: " + letter) Output will be: Current Letter: j Current Letter: a Current Letter: n Current Letter: g Current Letter: o It ...
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How do Trigonometric functions work?

...roblems they solve. But they have always been presented to me as a black bom>xm>. If you need the Sine or Cosine of something, you hit the sin or cos button on your calculator and you're set. Which is fine. ...
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Clear icon inside input tem>xm>t

Is there a quick way to create an input tem>xm>t element with an icon on the right to clear the input element itself (like the google search bom>xm>)? ...
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Difference between Inheritance and Composition

...aving an instance of another class C as a field of your class, instead of em>xm>tending C. A good em>xm>ample where composition would've been a lot better than inheritance is java.util.Stack, which currently em>xm>tends java.util.Vector. This is now considered a blunder. A stack "is-NOT-a" vector; you should no...
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do { … } while (0) — what is it good for? [duplicate]

I've been seeing that em>xm>pression for over 10 years now. I've been trying to think what it's good for. Since I see it mostly in #defines, I assume it's good for inner scope variable declaration and for using breaks (instead of gotos.) ...