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Dictionaries and default values
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323
Like this:
host = connectionDetails.get('host', someDefaultValue)
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java.lang.NoClassDefFoundError: org/hamcrest/SelfDescribing
...amcrest-all-X.X.jar to your classpath.
Latest version as of Feb 2015 is 1.3:
http://code.google.com/p/hamcrest/downloads/detail?name=hamcrest-all-1.3.jar&can=2&q=
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How do I decode HTML entities in Swift?
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23 Answers
23
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Complex numbers usage in python [closed]
...u can use the type as a constructor if you prefer:
>>> complex(2,3)
(2+3j)
A complex number has some built-in accessors:
>>> z = 2+3j
>>> z.real
2.0
>>> z.imag
3.0
>>> z.conjugate()
(2-3j)
Several built-in functions support complex numbers:
>>...
Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
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3 Answers
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How to show SQL queries run in the Rails console?
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Rails 3+
Enter this line in the console:
ActiveRecord::Base.logger = Logger.new(STDOUT)
Rails 2
Enter this line in the console:
ActiveRecord::Base.connection.instance_variable_set :@logger, Logger.new(STDOUT)
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What is the maximum possible length of a query string?
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3 Answers
3
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Python dictionary: are keys() and values() always the same order?
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365
Found this:
If items(), keys(), values(),
iteritems(), iterkeys(), and
itervalues() ar...
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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