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How to use Active Support core extensions
I have Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7.
5 Answers
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Swift: Pass array by reference?
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edited Nov 15 '17 at 21:23
iwasrobbed
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RegEx to parse or validate Base64 data
... the following:
^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$
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Convert Int to String in Swift
... // Successfully converted String to Int
}
Or if you're using Swift 2 or 3:
let x: Int? = Int(myString)
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What's the most efficient way to test two integer ranges for overlap?
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answered Jul 16 '10 at 23:21
Simon NickersonSimon Nickerson
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How can I exclude all “permission denied” messages from “find”?
...as is done here (2> >(...)), appears to be silently ignored (in ksh 93u+).
grep -v 'Permission denied' filters out (-v) all lines (from the find command's stderr stream) that contain the phrase Permission denied and outputs the remaining lines to stderr (>&2).
This approach is:
r...
rspec 3 - stub a class method
I am upgrading from rspec 2.99 to rspec 3.0.3 and have converted instance methods to use allow_any_instance_of , but haven't figured out how to stub a class method. I have code like this:
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How to sort a dataFrame in python pandas by two or more columns?
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3 Answers
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How to convert a table to a data frame
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324
I figured it out already:
as.data.frame.matrix(mytable)
does what I need -- apparently, th...