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linq query to return distinct field values from a list of objects
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edited Jun 3 '11 at 19:01
answered Jun 3 '11 at 18:49
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Proper REST response for empty table?
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233
I'd say, neither.
Why not 404 (Not Found) ?
The 404 status code should be reserved for situat...
What is the difference between trie and radix trie data structures?
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When to use SELECT … FOR UPDATE?
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edited May 18 '13 at 7:15
Gili
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a...
Extracting the last n characters from a ruby string
...a one liner, you can put a number greater than the size of the string:
"123".split(//).last(5).to_s
For ruby 1.9+
"123".split(//).last(5).join("").to_s
For ruby 2.0+, join returns a string
"123".split(//).last(5).join
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How is this fibonacci-function memoized?
...e re-writes:
fib1 = f fib2 n = f n fib3 n = f n
where where where
f i = xs !! i f i = xs !! i f i = xs !! i
xs = map fib' [0..] xs = map fib...
Overflow to left instead of right
...ing the following:
direction: rtl;
For more information see
http://www.w3schools.com/cssref/pr_text_direction.asp
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Check if an element is present in an array [duplicate]
...ecifically solves the problem, and so is now the preferred method.
[1, 2, 3].includes(2); // true
[1, 2, 3].includes(4); // false
[1, 2, 3].includes(1, 2); // false (second parameter is the index position in this array at which to begin searching)
As of JULY 2018, this has been implement...
How do I (or can I) SELECT DISTINCT on multiple columns?
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answered Sep 10 '08 at 15:36
Joel CoehoornJoel Coehoorn
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What is the Ruby (spaceship) operator?
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369
Perl was likely the first language to use it. Groovy is another language that supports it. Bas...