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Lambda expression to convert array/List of String to array/List of Integers
Since Java 8 comes with powerful lambda expressions,
10 Answers
10
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Reduce, fold or scan (Left/Right)?
...4 // de-cumulates value -1 in *first* operator arg `res`
// op: -4 - 4 = -8
// res: Int = -8
xs.foldLeft(0)(minus)
// op: 0 - 1 = -1
// op: -1 - 2 = -3
// op: -3 - 3 = -6
// op: -6 - 4 = -10
// res: Int = -10
xs.scanLeft(0)(minus)
// op: 0 - 1 = -1
// op: -1 - 2 = -3
// op: -3 - 3 = -6
// op: -6 ...
In Unix, can I run 'make' in a directory without cd'ing to that directory first?
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Svante
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answered Jan 17 '09 at 15:33
bmotmansbmotman...
How can I limit a “Run Script” build phase to my release configuration?
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298
if [ "${CONFIGURATION}" = "Release" ]; then
echo Do something really release-like
fi
The scr...
How does Django's Meta class work?
...deckTadeck
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3
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How to invoke a Linux shell command from Java
...nts.
– KitsuneYMG
Sep 17 '09 at 12:38
1
Thank you. This worked. Actually I used "sh" instead of "...
raw vs. html_safe vs. h to unescape html
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Rafael Perea
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answered Nov 23 '10 at 2:12
Fábio BatistaFábio Batista
23.2...
Hexadecimal To Decimal in Shell Script
...1
Yous
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answered Nov 7 '12 at 23:36
Gilles QuenotGilles Quenot
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What is the fastest integer division supporting division by zero no matter what the result is?
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testl %edx, %edx
sete %al
addl %edx, %eax
movl 8(%ebp), %edx
movl %eax, %ecx
popl %ebp
movl %edx, %eax
sarl $31, %edx
idivl %ecx
ret
As this turned out to be such a popular question and answer, I'll elaborate a bit more. The above e...
Extract elements of list at odd positions
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answered Sep 15 '12 at 1:08
TadeckTadeck
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