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Static classes and methods in coffeescript
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1 Answer
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Active
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Disable Maven warning message - “Selected war files include a WEB-INF/web.xml which will be ignored”
When building WAR package using Maven 2.1.1, I get this warning message:
3 Answers
3
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Is 0 a decimal literal or an octal literal?
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Yes, 0 is an Octal literal in C++.
As per the C++ Standard:
2.14.2 Integer literals [lex.icon]
integer-literal:
decimal-literal integer-suffixopt
octal-literal integer-suffixopt
hexadecimal-literal integer-suffixopt
decimal-literal:
nonzero-digit
decim...
How to remove a field from params[:something]
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214
Rails 4/5 - edited answer
(see comments)
Since this question was written newer versions of Rai...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
...e .drop argument that does just what you asked for:
df = data.frame(a=rep(1:3,4), b=rep(1:2,6))
df$b = factor(df$b, levels=1:3)
df %>%
group_by(b, .drop=FALSE) %>%
summarise(count_a=length(a))
#> # A tibble: 3 x 2
#> b count_a
#> <fct> <int>
#> 1 1 ...
What is a reasonable order of Java modifiers (abstract, final, public, static, etc.)?
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127
The customary usage order of the modifiers is mentioned in the Java Language Specification (an...
what is the right way to treat Python argparse.Namespace() as a dictionary?
... argparse
>>> args = argparse.Namespace()
>>> args.foo = 1
>>> args.bar = [1,2,3]
>>> d = vars(args)
>>> d
{'foo': 1, 'bar': [1, 2, 3]}
You can modify the dictionary directly if you wish:
>>> d['baz'] = 'store me'
>>> args.baz
'store ...
How to raise a ValueError?
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178
raise ValueError('could not find %c in %s' % (ch,str))
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What are type lambdas in Scala and what are their benefits?
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148
Type lambdas are vital quite a bit of the time when you are working with higher-kinded types.
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Piping both stdout and stderr in bash?
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172
(Note that &>>file appends to a file while &> would redirect and overwrite a ...