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Scala: Nil vs List()
...intln (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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Use 'import module' or 'from module import'?
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edited Jan 27 '14 at 22:14
NullUserException
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Python: Continuing to next iteration in outer loop
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“cannot resolve symbol R” in Android Studio
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What is the difference between float and double?
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Huge difference.
As the name implies, a double has 2x the precision of float[1]. In general a d...
Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
...ring that is up to 3 characters long when it's first created in SQL Server 2008 R2.
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fork() branches more than expected?
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The fork() primitive often stretches the imagination. Until you get a feel for it, you should...
SQL query for today's date minus two months
... select all the records in a table where their date of entry is older then 2 months.
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Should I use multiplication or division?
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How to remove an element from a list by index
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Use del and specify the index of the element you want to delete:
>>> a = [0, 1, 2, 3,...