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Extract month and year from a zoo::yearmon object
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Use the format() method for objects of class "yearmon". Here is your example date (properly created!)
date1 <- as.yearmon("Mar 2012", "%b %Y")
Then we can extract the date parts as required:
> format(date1, "%b") ## Month, char, abb...
NoSQL Use Case Scenarios or WHEN to use NoSQL [closed]
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It really is an "it depends" kinda question. Some general points:
NoSQL is typically good for unstructured/"schemaless" data - usually, you don't need to explicitly define your schema up front and can just include new fields without any ceremony
NoSQL typically favours ...
C# getting the path of %AppData%
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To get the AppData directory, it's best to use the GetFolderPath method:
Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)
(must add using System if not present).
%AppData% is an environment variable, and they are not automatically expanded anywhere in .NET, although...
How to format a floating number to fixed width in Python
...w do I format a floating number to a fixed width with the following requirements:
7 Answers
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I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
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There are plenty of options, I recommend not to add additional dependencies and use SecureRandom which is builtin:
SecureRandom.uuid #=> "1ca71cd6-08c4-4855-9381-2f41aeffe59c"
See other possible formats here.
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Rename a file in C#
How do I rename a file using C#?
18 Answers
18
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Swift double to string
...d xCode 6, I had no problems casting a double to a string but now it gives me an error
14 Answers
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Using CMake, how do I get verbose output from CTest?
.... I have added a unit test binary which is using the Boost unit testing framework. This one binary contains all of the unit tests. I've added that binary to be run by CTest:
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Tree view of a directory/folder in Windows? [closed]
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That's something, but I need it in the GUI.
– Pietro
Mar 1 '12 at 15:37
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Is there replacement for cat on Windows
... file3
Example 2:
type *.vcf > all_in_one.vcf
This command will merge all the vcards into one.
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