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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 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...
When to use SELECT … FOR UPDATE?
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edited May 18 '13 at 7:15
Gili
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a...
What is the difference between trie and radix trie data structures?
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3 Answers
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Cron job every three days
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Run it every three days...
0 0 */3 * *
How about that?
If you want it to run on specific days of the month, like the 1st, 4th, 7th, etc... then you can just have a conditional in your script that checks for the current day of the month.
if (((date('j') -...
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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Removing multiple keys from a dictionary safely
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answered Jan 24 '12 at 23:20
GlaslosGlaslos
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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...
Why do we use arrays instead of other data structures?
...al memory).
For example, let's say we have an array with 6 numbers (6,4,2,3,1,5) in it, in memory it would look like this:
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| 6 | 4 | 2 | 3 | 1 | 5 |
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In an array, we know that each element is next to each othe...