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How to split a delimited string in Ruby and convert it to an array?
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>> "1,2,3,4".split(",")
=> ["1", "2", "3", "4"]
Or for integers:
>> "1,2,3,4".split(",").map { |s| s.to_i }
=> [1, 2, 3, 4]
Or for later versions of ruby (>= 1.9 - as pointed out by Alex):
>> "1,2,3,4".split(",").map(&:to_i)
=> [1, 2, 3, 4]
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How to enumerate an object's properties in Python?
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for property, value in vars(theObject).items():
print(property, ":", value)
Be aware that in some rare cases there's a __slots__ property, such classes often have no __dict__.
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What's the difference between unit, functional, acceptance, and integration tests? [closed]
...an InvalidOperationException). Everything it touches should be done in memory; this means that the test code and the code under test shouldn't:
Call out into (non-trivial) collaborators
Access the network
Hit a database
Use the file system
Spin up a thread
etc.
Any kind of dependency that is ...
Method can be made static, but should it?
...ins the difference. Generally, static methods can provide a very small performance enhancement over instance methods, but only in somewhat extreme situations (see this answer for some more details on that).
Rule CA1822 in FxCop or Code Analysis states:
"After [marking members as static], the co...
Is 'float a = 3.0;' a correct statement?
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It is not an error to declare float a = 3.0 : if you do, the compiler will convert the double literal 3.0 to a float for you.
However, you should use the float literals notation in specific scenarios.
For performance reasons:
Specifica...
How to find index of list item in Swift?
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As swift is in some regards more functional than object-oriented (and Arrays are structs, not objects), use the function "find" to operate on the array, which returns an optional value, so be prepared to handle a nil value:
let arr:Array = ["a","b","c"]...
How to get the build/version number of your Android application?
I need to figure out how to get or make a build number for my Android application. I need the build number to display in the UI.
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How do I get the AM/PM value from a DateTime?
... You need to add new System.Globalization.CultureInfo("en-US") in order to get this right (if you are not already running the thread in a US context)
– thomas
Jun 24 '15 at 11:06
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How to compile for Windows on Linux with gcc/g++?
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mingw32 exists as a package for Linux. You can cross-compile and -link Windows applications with it. There's a tutorial here at the Code::Blocks forum. Mind that the command changes to x86_64-w64-mingw32-gcc-win32, for example.
Ubuntu, for example, has ...
How to convert an xml string to a dictionary?
...rogram that reads an xml document from a socket. I have the xml document stored in a string which I would like to convert directly to a Python dictionary, the same way it is done in Django's simplejson library.
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