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ALTER TABLE, set null in not null column, PostgreSQL 9.1
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ALTER TABLE person ALTER COLUMN phone DROP NOT NULL;
More details in the manual: http://www.p...
R data formats: RData, Rda, Rds etc
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KenMKenM
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How to cancel a pull request on github?
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edited Aug 31 at 7:00
Kai Noack
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answere...
“new” keyword in Scala
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answered Mar 15 '12 at 20:36
OwenOwen
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HTML anchor link - href and onclick both?
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130
Just return true instead?
The return value from the onClick code is what determines whether the...
ActiveRecord, has_many :through, and Polymorphic Associations
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edited Dec 5 '11 at 9:09
answered Nov 5 '09 at 23:53
Em...
What does a double * (splat) operator do
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Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {}]
&g...
Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
...split()
>>> sorted(list(partition('e', words).items()))
[(0, ['star']), (2, ['mews']), (5, ['even', 'eyes']), (6, ['deed', 'peep'])]
"""
result = defaultdict(list)
for word in words:
key = sum(1 << i for i, letter in enumerate(word) if letter == guess)
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How can I use getSystemService in a non-activity class (LocationManager)?
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edited Aug 28 '15 at 19:30
Krzysiek
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How can I push a local Git branch to a remote with a different name easily?
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answered Apr 21 '11 at 3:00
Brian CampbellBrian Campbell
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