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How can I get nth element from a list?
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edited Mar 24 at 13:41
Community♦
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answered Mar 7 '11 at 7:59
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How do you rename a table in SQLite 3.0?
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Roshana Pitigala
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answered Jan 8 '09 at 23:41
John SheehanJohn She...
Java “params” in method signature?
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194
In Java it's called varargs, and the syntax looks like a regular parameter, but with an ellipsis...
Force point (“.”) as decimal separator in java
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174
Use the overload of String.format which lets you specify the locale:
return String.format(Local...
Should I use a data.frame or a matrix?
...mine the choice.
Also:
Matrices are more memory efficient:
m = matrix(1:4, 2, 2)
d = as.data.frame(m)
object.size(m)
# 216 bytes
object.size(d)
# 792 bytes
Matrices are a necessity if you plan to do any linear algebra-type of operations.
Data frames are more convenient if you frequently refer ...
How does Django's Meta class work?
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240
You are asking a question about two different things:
Meta inner class in Django models:
Thi...
Change a column type from Date to DateTime during ROR migration
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edited Jan 23 '15 at 12:42
Polsonby
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answered...
Setting href attribute at runtime
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Stout Joe
18422 gold badges33 silver badges1414 bronze badges
answered Dec 3 '10 at 12:20
user529141user529141
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In CMake, how can I test if the compiler is Clang?
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249
A reliable check is to use the CMAKE_<LANG>_COMPILER_ID variables. E.g., to check the C++...