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Delete text in between HTML tags in vim?
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How to automatically generate a stacktrace when my program crashes
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Is there an R function for finding the index of an element in a vector?
...: which(x == v)[[1]] , but that seems excessively inefficient. Is there a more direct way to do it?
4 Answers
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How to select the rows with maximum values in each group with dplyr? [duplicate]
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This more verbose solution provides greater control on what happens in case of duplicate maximum value (in this example, it will take one of the corresponding rows randomly)
library(dplyr)
df %>% group_by(A, B) %>%
mutate...
Redirect to external URI from ASP.NET MVC controller
... following:
return Redirect("http://www.google.com");
Otherwise we need more info on the error you're getting in the redirect. I'd step through to make sure the url isn't empty.
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Dump Mongo Collection into JSON format
...it integers, so they don't need to
be parsed to and from text. This uses more space than JSON for small
integers, but is much faster to parse.
In addition to compactness, BSON adds additional data types
unavailable in JSON, notably the BinData and Date data types.
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Do I really have a car in my garage? [duplicate]
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Get query from java.sql.PreparedStatement [duplicate]
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Fastest way to remove first char in a String
...oo" it will become "foo" instead of "//foo".
The first option needs a bit more work to understand than the third - I would view the Substring option as the most common and readable.
(Obviously each of them as an individual statement won't do anything useful - you'll need to assign the result to a ...
Auto Generate Database Diagram MySQL [closed]
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