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Appending an element to the end of a list in Scala
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List(1,2,3) :+ 4
Results in List[Int] = List(1, 2, 3, 4)
Note that this operation has a complexity of O(n). If you need this operation frequently, or for long lists, consider using another data type (e.g. a ListBuffer).
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How to remove the first character of string in PHP?
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13 Answers
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How to recursively find the latest modified file in a directory?
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21 Answers
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How to redirect output of an already running process [duplicate]
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136
See Redirecting Output from a Running Process.
Firstly I run the command cat > foo1 in ...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
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“Too many values to unpack” Exception
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That exception means that you are trying to unpack a tuple, but the tuple has too many values ...
Error: Could not create the Java Virtual Machine Mac OSX Mavericks
I just installed the latest Java SDK 7-67 from Oracle on the Mac 10.9.4. I then ran the command java -v in Terminal and I get this message:
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bool operator ++ and --
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It comes from the history of using integer values as booleans.
If x is an int, but I am using it...
Django - what is the difference between render(), render_to_response() and direct_to_template()?
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https://docs.djangoproject.com/en/1.8/topics/http/shortcuts/#render
render(request, template[...
How to convert a negative number to positive?
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>>> n = -42
>>> -n # if you know n is negative
42
>>> abs(n) ...