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When is memoization automatic in GHC Haskell?
I can't figure out why m1 is apparently memoized while m2 is not in the following:
4 Answers
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Truncating floats in Python
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117
First, the function, for those who just want some copy-and-paste code:
def truncate(f, n):
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
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91
The order of evaluation of subexpressions, including
the arguments of a function call and
oper...
Easy way to test a URL for 404 in PHP?
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15 Answers
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SQL Server dynamic PIVOT query?
...me,
category varchar(3),
amount money
)
insert into temp values ('1/1/2012', 'ABC', 1000.00)
insert into temp values ('2/1/2012', 'DEF', 500.00)
insert into temp values ('2/1/2012', 'GHI', 800.00)
insert into temp values ('2/10/2012', 'DEF', 700.00)
insert into temp values ('3/1/2012', 'ABC...
How can I show ellipses on my TextView if it is greater than the 1 line?
...droid:scrollHorizontally="true"
android:ellipsize="end"
android:maxLines="1"
.............. the scrollHorizontally is the "special sauce" that makes it work.
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Delete element in a slice
...d i is the index of the element you want to delete:
a = append(a[:i], a[i+1:]...)
... is syntax for variadic arguments in Go.
Basically, when defining a function it puts all the arguments that you pass into one slice of that type. By doing that, you can pass as many arguments as you want (for ex...
What is IP address '::1'?
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152
::1 is the loopback address in IPv6. Think of it as the IPv6 version of 127.0.0.1.
See http:...
Sql Server equivalent of a COUNTIF aggregate function
...ondition (e.g. count only records where a certain column value is equal to 1).
9 Answers
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How to pass a single object[] to a params object[]
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100
A simple typecast will ensure the compiler knows what you mean in this case.
Foo((object)new ...