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Symfony 2 EntityManager injection in service
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How does HashSet compare elements for equality?
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Scala: Nil vs List()
...println (Nil equals List())
true
scala> System.identityHashCode(Nil)
374527572
scala> System.identityHashCode(List())
374527572
Nil is more idiomatic and can be preferred in most cases.
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
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145
In a type declaration the ! is similar to the ?. Both are an optional, but the ! is an "implici...
Forgot “git rebase --continue” and did “git commit”. How to fix?
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Rails Model find where not equal
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In Rails 4.x (See http://edgeguides.rubyonrails.org/active_record_querying.html#not-conditions)
GroupUser.where.not(user_id: me)
In Rails 3.x
GroupUser.where(GroupUser.arel_table[:user_id].not_eq(me))
To shorten the length, you ...
Automapper: Update property values without creating a new object
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465
Use the overload that takes the existing destination:
Mapper.Map<Source, Destination>(s...
What is the maximum number of characters that nvarchar(MAX) will hold?
...tailed numbers, you should be able to store
(2 ^ 31 - 1 - 2) / 2 = 1'073'741'822 double-byte characters
1 billion, 73 million, 741 thousand and 822 characters to be precise
in your NVARCHAR(MAX) column (unfortunately, that last half character is wasted...)
Update: as @MartinMulder pointed out: ...
Convert UNIX epoch to Date object
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Go via POSIXct and you want to set a TZ there -- here you see my (Chicago) default:
R> val &...