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How to get execution time in rails console?
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timing = Benchmark.measure { Post.all }
The various attributes of the object returned (Benchm...
How get integer value from a enum in Rails?
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You can get the integer values for an enum from the class the enum is on:
Model.sale_infos # P...
Converting NumPy array into Python List structure?
How do I convert a NumPy array to a Python List (for example [[1,2,3],[4,5,6]] ), and do it reasonably fast?
5 Answers
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What are the aspect ratios for all Android phone and tablet devices?
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║ 19.5 x 9 ║ 0.462... ║ 2.167... ║
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What is the difference between ~> and >= when specifying rubygem in Gemfile?
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edited Feb 5 '14 at 23:13
answered Nov 27 '10 at 17:33
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Convert array of integers to comma-separated string
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var result = string.Join(",", arr);
This uses the following overload of string.Join:
public s...
Visual Studio or Resharper functionality for placement of using directives
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UPDATE - ReSharper 2016.1: This option is now moved to Code Editing → C# → Code Style → Ad...
Pandas dataframe get first row of each group
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>>> df.groupby('id').first()
value
id
1 first
2 first
3 first
4 ...
Difference between `mod` and `rem` in Haskell
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4 Answers
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Active
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Merge Images Side by Side(Horizontally)
...0x30, 600x30, 600x30, 810x30. Their names are: 0.png, 1.png, 2.png, 3.png, 4.png, respectively.
5 Answers
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