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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
...
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize
When building a Java 8 project with Maven:
8 Answers
8
...
Ruby: How to get the first character of a string
...ial # prints S
The other method mentioned here doesn't work on Ruby 1.8 (not that you should be using 1.8 anymore anyway!--but when this answer was posted it was still quite common):
puts 'Smith'[0] # prints 83
Of course, if you're not doing it on a regular basis, then defining the...
Find which commit is currently checked out in Git
...
182
You have at least 5 different ways to view the commit you currently have checked out into your ...
How to get unique values in an array
...);
}
}
return arr;
}
var duplicates = [1, 3, 4, 2, 1, 2, 3, 8];
var uniques = duplicates.unique(); // result = [1,3,4,2,8]
console.log(uniques);
For more reliability, you can replace contains with MDN's indexOf shim and check if each element's indexOf is equal to -1: docume...
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...
Convert data.frame column to a vector?
...
8
[..., drop = F] will always return a data frame
– hadley
Aug 16 '11 at 18:19
...
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...
How to get multiple counts with one SQL query?
...01
Chad
6831010 silver badges2626 bronze badges
answered Oct 8 '12 at 21:07
Taryn♦Taryn
...