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Run R script from command line
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DasonDason
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When is finally run if you throw an exception from the catch block?
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answered Oct 12 '09 at 16:31
Eric PetroeljeEric Petroelje
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How to prevent logback from outputting its own status at the start of every log when using a layout
...gback/slf4j (most recent version slf4j-api-1.6.1, logback core/classic 0.9.24). Simplest log configuration for testing is:
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How to specify the default error page in web.xml?
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241
On Servlet 3.0 or newer you could just specify
<web-app ...>
<error-page>
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Location of parenthesis for auto-executing anonymous JavaScript functions?
I was recently comparing the current version of json2.js with the version I had in my project and noticed a difference in how the function expression was created and self executed.
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How do I assign an alias to a function name in C++?
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answered Sep 20 '13 at 14:59
sasha.sochkasasha.sochka
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Find and replace strings in vim on multiple lines
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269
The :&& command repeats the last substitution with the same flags. You can supply the ...
rreplace - How to replace the last occurrence of an expression in a string?
...= s.rsplit(old, occurrence)
... return new.join(li)
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>>> s
'1232425'
>>> rreplace(s, '2', ' ', 2)
'123 4 5'
>>> rreplace(s, '2', ' ', 3)
'1 3 4 5'
>>> rreplace(s, '2', ' ', 4)
'1 3 4 5'
>>> rreplace(s, '2', ' ', 0)
'1232425'
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What does the “@” symbol mean in reference to lists in Haskell?
...the list's tail: pt
Without the @, you'd have to choose between (1) or (2):(3).
This syntax actually works for any constructor; if you have data Tree a = Tree a [Tree a], then t@(Tree _ kids) gives you access to both the tree and its children.
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What's a quick way to comment/uncomment lines in Vim?
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