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Make a float only show two decimal places
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13 Answers
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Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
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With Rails 3 and later you can do like this:
resources :user_bundles, :path => '/user-bundles'
Another option is to modify Rails, via an initializer.
I don't recommend this though, since it may break in future versions (edit: do...
Ruby, Difference between exec, system and %x() or Backticks
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3 Answers
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Can I return the 'id' field after a LINQ insert?
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3 Answers
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How can Bash execute a command in a different directory context?
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38
You can use the cd builtin, or the pushd and popd builtins for this purpose. For example:
# do...
Argmax of numpy array returning non-flat indices
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3 Answers
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Get dimension from XML and set text size in runtime
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3 Answers
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Matplotlib (pyplot) savefig outputs blank image
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304
First, what happens when T0 is not None? I would test that, then I would adjust the values I p...
Simple explanation of MapReduce?
...hem back in the same kind of list.
suppose I have a list of numbers: [1,2,3] and I want to double every number, in this case, the function to "double every number" is function x = x * 2. And without mappings, I could write a simple loop, say
A = [1, 2, 3]
foreach (item in A) A[item] = A[item] * 2
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Ruby Array find_first object?
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203
Either I don't understand your question, or Enumerable#find is the thing you were looking for.
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