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Using 'return' in a Ruby block
...lt;main>'
irb(main):009:0> thing { break 6 * 7 }
=> 42
irb(main):011:0> thing { next 6 * 7 }
value=42
=> nil
return always returns from method, but if you test this snippet in irb you don't have method, that's why you have LocalJumpError
break returns value from block and ends its ...
What is a “static” function in C?
...
– Lightness Races in Orbit
Mar 14 '11 at 16:26
3
@Chuck: C++ terminology never uses the word "me...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...you with a wet noodle.
– riwalk
Aug 11 '10 at 18:49
3
@Billy: But only for the primitive versions...
Drop data frame columns by name
...st of names :
DF <- data.frame(
x=1:10,
y=10:1,
z=rep(5,10),
a=11:20
)
drops <- c("x","z")
DF[ , !(names(DF) %in% drops)]
Or, alternatively, you can make a list of those to keep and refer to them by name :
keeps <- c("y", "a")
DF[keeps]
EDIT :
For those still not acquainted wi...
Reimport a module in python while interactive
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answered Aug 10 '09 at 11:29
Benjamin WohlwendBenjamin Wohlwend
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Why aren't variable-length arrays part of the C++ standard?
... |
edited Sep 2 '15 at 21:11
jchamp
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answered Dec 11 '09 at 10:28
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PhpStorm text size
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hamidrezahamidreza
14111 silver badge33 bronze badges
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Difference between Service, Async Task & Thread?
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answered Jul 16 '10 at 11:44
Pentium10Pentium10
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copying all contents of folder to another folder using batch file?
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answered Jan 5 '11 at 5:45
eHussaineHussain
2,90111 gold badge1717 silver badges1919 bronze badges
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Using python's eval() vs. ast.literal_eval()?
... |
edited Jul 26 '16 at 11:10
Community♦
111 silver badge
answered Mar 4 '13 at 8:52
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