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How do I find the last occurrence of a substring in an NSString?
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answered Mar 13 '10 at 21:46
outisoutis
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How to forward declare a C++ template class?
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answered Dec 12 '12 at 21:11
Dietmar KühlDietmar Kühl
137k1111 gold badges188188 silver badges348348 bronze badges
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Making text background transparent but not text itself
...ge.
– Karl-Johan Sjögren
Mar 28 at 21:45
add a comment
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git diff renamed file
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answered May 14 '15 at 21:32
benkcbenkc
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Given a number, find the next higher number which has the exact same set of digits as the original n
...t place in O(n)).
An example will make this more clear:
123456784987654321
start with a number
123456784 987654321
^the first place from the right where the left-digit is less than the right
Digit "x" is 4
123456784 987654321
^find the smallest digit larger tha...
Shading a kernel density plot between two points.
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21
An expanded solution:
If you wanted to shade both tails (copy & paste of Dirk's code) and ...
postgresql - sql - count of `true` values
...) is better,
– Daniel
Mar 22 '11 at 21:38
1
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Validate uniqueness of multiple columns
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321
You can scope a validates_uniqueness_of call as follows.
validates_uniqueness_of :user_id, :s...
Using psql how do I list extensions installed in a database?
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edited Mar 26 '18 at 21:19
answered Feb 15 '14 at 16:04
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Human readable javascripts in chrome developer tools
...5.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723...