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Define preprocessor macro through CMake?
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For a long time, CMake had the add_definitions command for this purpose. However, recently the c...
Get the value of an instance variable given its name
... is:
class Computer
attr_reader :cpus
end
Now you can do Computer.new(4).cpus.
Note that you can reopen any existing class and make a private ivar into a reader. Since an accessor is just a method, you can do Computer.new(4).send(var_that_evaluates_to_cpus)
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How to use the ProGuard in Android Studio?
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edited Jan 2 '14 at 18:14
answered Jan 2 '14 at 17:37
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How to convert a negative number to positive?
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>>> n = -42
>>> -n # if you know n is negative
42
>>> abs(n) # for any n
42
Don't forget to check the docs.
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Transform DateTime into simple Date in Ruby on Rails
...ort/core_ext'
=> true
>> DateTime.new.to_date
=> Mon, 01 Jan -4712
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How can I split and parse a string in Python?
I am trying to split this string in python: 2.7.0_bf4fda703454
3 Answers
3
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How to set the value to a cell in Google Sheets using Apps Script?
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answered Jul 4 '12 at 19:27
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How to display the current year in a Django template?
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raacer
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answered Jun 7 '11 at 2:10
Haldean BrownHalde...
Checking for the correct number of arguments
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– Laurence Gonsalves
Dec 3 '10 at 1:24
I figured it out thank you. How about if the file name doesnt exist?
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