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Best way to select random rows PostgreSQL
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edited Feb 8 '19 at 15:20
answered Dec 30 '11 at 1:02
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Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
... leaves us with: (10 - k2)^2 + k2^2 = 52 which you can simplify to: 2k^2 - 20k + 48 = 0. Solving the quadratic equation gives you 4 and 6 as the answer.
– AlexKoren
Oct 12 '15 at 2:07
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Meaning of Git checkout double dashes
... true. However, a terminology note: "Bash" only has a few commands (maybe 20 or so), most commands are separate programs from Bash. It is actually part of the POSIX standard that -- can be used to separate options from other arguments, so you will see it on commands like cp and mv (which are not p...
What is PECS (Producer Extends Consumer Super)?
...ant List).
– Raman
Jan 24 '14 at 19:20
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How to link godaddy domain with AWS Elastic Beanstalk environment?
...ickly.
– jbcaveman
Oct 19 '16 at 14:20
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What is a proper naming convention for MySQL FKs?
...able).
– Joel Brown
Sep 12 '11 at 1:20
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What if there are more than 1 foreign key? Example: memb...
Quickest way to convert a base 10 number to any base in .NET?
...in the IntToString method: value = value / targetBase; would make value = 203.75. Is this correct? Shouldn't it keep it as a whole number?
– Adam Harte
Jul 28 '10 at 5:31
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What is the difference between NaN and None?
...eltonbiker
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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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edited Jun 20 at 9:12
Community♦
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answered Jun 9 '12 at 9:13
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Equivalent C++ to Python generator pattern
...proposal for standardization here: open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3985.pdf
– boycy
Jan 13 '15 at 17:00
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