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Quickly reading very large tables as dataframes

... into R. See mnel's answer. Using read_table in readr (on CRAN from April 2015). This works much like fread above. The readme in the link explains the difference between the two functions (readr currently claims to be "1.5-2x slower" than data.table::fread). read.csv.raw from iotools provides a ...
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Count number of rows within each group

... | edited Aug 28 '19 at 14:42 Braiam 4,2521111 gold badges4545 silver badges6868 bronze badges ...
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How do I find the most recent git commit that modified a file?

... 237 git log supports looking at the history of specific files (and directories), so you can call i...
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ng-repeat :filter by single field

... 12 Answers 12 Active ...
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“unrecognized import path” with go get

... 102 The issues are relating to an invalid GOROOT. I think you installed Go in /usr/local/go. So cha...
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AWS S3: The bucket you are attempting to access must be addressed using the specified endpoint

... likely that this bucket was created in a different region, IE not us-west-2. That's the only time I've seen "The bucket you are attempting to access must be addressed using the specified endpoint. Please send all future requests to this endpoint." US Standard is us-east-1 ...
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Hidden Features of Xcode 4

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Convert Java Array to Iterable

... Integer foo[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 }; List<Integer> list = Arrays.asList(foo); // or Iterable<Integer> iterable = Arrays.asList(foo); Though you need to use an Integer array (not an int array) for this to work. For pri...
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C# int to byte[]

... 223 The RFC is just trying to say that a signed integer is a normal 4-byte integer with bytes orde...
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How to debug Ruby scripts [closed]

... Then add: require 'pry'; binding.pry into your program. As of pry 0.12.2 however, there are no navigation commands such as next, break, etc. Some other gems additionally provide this, see for example pry-byedebug. shar...