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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
...
Gradle, “sourceCompatibility” vs “targetCompatibility”?
...
81
targetCompatibility and sourceCompatibility maps to -target release and -source release in java...
Regexp Java for password validation
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318
Try this:
^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\S+$).{8,}$
Explanation:
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How do I explicitly instantiate a template function?
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184
[EDIT 2]: Note that there was some confusion regarding the code in the original question due to...
How to trace the path in a Breadth-First Search?
...'],
'2': ['5', '6'],
'5': ['9', '10'],
'4': ['7', '8'],
'7': ['11', '12']
}
def bfs(graph, start, end):
# maintain a queue of paths
queue = []
# push the first path into the queue
queue.append([start])
while queue:
# get the first ...
Abusing the algebra of algebraic data types - why does this work?
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Will Ness
56.8k77 gold badges8181 silver badges150150 bronze badges
answered Feb 8 '12 at 16:51
C. A. McCannC. A. ...
How to check if a line is blank using regex
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answered Jun 10 '10 at 8:35
polygenelubricantspolygenelubricants
336k117117 gold badges535535 silver badges606606 bronze badges
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Mockito: List Matchers with generics
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282
For Java 8 and above, it's easy:
when(mock.process(Matchers.anyList()));
For Java 7 and belo...
Integer.valueOf() vs. Integer.parseInt() [duplicate]
...57
nyg
1,80811 gold badge2020 silver badges3636 bronze badges
answered Sep 8 '11 at 22:00
corsiKacorsiKa
...
How to convert a negative number to positive?
...|
edited Oct 5 '10 at 23:28
answered Oct 4 '10 at 10:26
Rog...