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Why java.io.File doesn't have a close() method?
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What does the explicit keyword mean?
...n old question it seems worth pointing a few things out (or having someone set me straight). By making the int form, or both ctors, 'explicit' you would still have the same bug if you used String mystring('x') when you meant String mystring("x") wouldn't you? Also, from the comment above I see the...
How to index characters in a Golang string?
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
...p_by(Species, .drop=FALSE) %>% tally
#> Species n
#> 1 setosa 50
#> 2 versicolor 50
#> 3 virginica 50
#> 4 empty_level 0
# Add character column
iris$group2 = c(rep(c("A","B"), 50), rep(c("B","C"), each=25))
# Empty groups involving combinations of ...
In Rails - is there a rails method to convert newlines to ?
Is there a Railsy way to convert \n to <br> ?
8 Answers
8
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How do I use floating-point division in bash?
...<< 'scale=1; 1/3.000001' scale is 1. Interestingly, dividing by 1 sets it straight: bc <<< 'scale=1; 1*3.00001/1' scale is 1
– Greg Bell
Jan 17 '17 at 20:55
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Return all enumerables with yield return at once; without looping through
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You could set up all the error sources like this (method names borrowed from Jon Skeet's answer).
private static IEnumerable<IEnumerable<ErrorInfo>> GetErrorSources(Card card)
{
yield return GetMoreErrors(card);
yi...
How to read a text file reversely with iterator in C#
... // For UTF-8, bytes with the top bit clear or the second bit set are the start of a character
// See http://www.cl.cam.ac.uk/~mgk25/unicode.html
characterStartDetector = (pos, data) => (data & 0x80) == 0 || (data & 0x40) != 0;
}
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round() doesn't seem to be rounding properly
The documentation for the round() function states that you pass it a number, and the positions past the decimal to round. Thus it should do this:
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Python vs Cpython
... programming language; these are implemented in Java, C# and RPython (a subset of Python), respectively. Jython compiles your Python code to Java bytecode, so your Python code can run on the JVM. IronPython lets you run Python on the Microsoft CLR. And PyPy, being implemented in (a subset of) Python...