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Apache Spark: map vs mapPartitions?
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Alberto Bonsanto
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answered Jan 17 '14 at 19:46
Alexey RomanovAlexey ...
throw new std::exception vs throw std::exception
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edited Nov 28 '19 at 22:35
Jarod42
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Find which commit is currently checked out in Git
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182
You have at least 5 different ways to view the commit you currently have checked out into your ...
Haskell error parse error on input `='
...a let to define things in it.
Prelude> let f x = x * 2
Prelude> f 4
8
Starting from GHC 8.0.1, top-level bindings are supported in GHCi, so OP's code will work without change.
GHCi, version 8.0.1.20161213: http://www.haskell.org/ghc/ :? for help
Prelude> f x = x * 2
Prelude> f 4
8
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Create a variable name with “paste” in R?
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answered Apr 1 '11 at 8:54
lecodesportiflecodesportif
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How to get multiple counts with one SQL query?
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Chad
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answered Oct 8 '12 at 21:07
Taryn♦Taryn
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Is MATLAB OOP slow or am I doing something wrong?
... 0.02261 sec 0.23 usec per call
nop1-5() functions: 0.02182 sec 0.22 usec per call
nop() subfunction: 0.02244 sec 0.22 usec per call
@()[] anonymous function: 0.08461 sec 0.85 usec per call
nop(obj) method: 0.24664 sec 2.47 usec per call
no...
Why does Python print unicode characters when the default encoding is ASCII?
...lt, ASCII.
For example, I use a bash shell which encoding defaults to UTF-8. If I start Python from it, it picks up and use that setting:
$ python
>>> import sys
>>> print sys.stdout.encoding
UTF-8
Let's for a moment exit the Python shell and set bash's environment with some b...
Convert data.frame column to a vector?
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8
[..., drop = F] will always return a data frame
– hadley
Aug 16 '11 at 18:19
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