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Convert to/from DateTime and Time in Ruby

...ds into a fractional number of seconds seconds = sec + Rational(usec, 10**6) # Convert a UTC offset measured in minutes to one measured in a # fraction of a day. offset = Rational(utc_offset, 60 * 60 * 24) DateTime.new(year, month, day, hour, min, seconds, offset) end end Si...
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What is a NullReferenceException, and how do I fix it?

... p1.Books.Add(...) statements. Array int[] numbers = null; int n = numbers[0]; // numbers is null. There is no array to index. Array Elements Person[] people = new Person[5]; people[0].Age = 20 // people[0] is null. The array was allocated but not // initialized. There is no Pers...
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How to quickly and conveniently disable all console.log statements in my code?

... answered Jul 31 '09 at 23:54 SolutionYogiSolutionYogi 28.7k1111 gold badges6767 silver badges7777 bronze badges ...
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How can I dynamically create derived classes from a base class

... | edited Sep 10 '17 at 23:38 three_pineapples 10.1k44 gold badges3232 silver badges5959 bronze badges ...
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Inheritance and Overriding __init__ in python

... Andrew Palmer 1,1021111 silver badges1313 bronze badges answered Apr 15 '09 at 20:49 S.LottS.Lott ...
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std::auto_ptr to std::unique_ptr

... | edited Aug 11 '10 at 18:12 Klaim 58.1k3131 gold badges119119 silver badges184184 bronze badges ...
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SQL, Postgres OIDs, What are they and why are they useful?

... answered Apr 11 '11 at 20:22 Frank FarmerFrank Farmer 33.9k1010 gold badges6666 silver badges8686 bronze badges ...
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Directive isolate scope with ng-repeat scope in AngularJS

... 203 Okay, through a lot of the comments above, I have discovered the confusion. First, a couple of ...
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What is the boundary in multipart/form-data?

... answered Dec 2 '13 at 5:07 Oscar MederosOscar Mederos 25.9k2020 gold badges7575 silver badges118118 bronze badges ...
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Draw line in UIView

... to do it. For example, I want to draw a black horizontal line at y-coord=200. 8 Answers ...