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scopes with lambda and arguments in Rails 4 style?
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307
I think it should be:
scope :find_lazy, -> (id) { where(id: id) }
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Difference between Select and ConvertAll in C#
...plemented only by List<T>. The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5.
You should favor Select over ConvertAll as it works for any kind of list, but they do the same basically.
sh...
Why doesn't Haskell's Prelude.read return a Maybe?
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108
Edit: As of GHC 7.6, readMaybe is available in the Text.Read module in the base package, along ...
Python creating a dictionary of lists
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answered Jun 6 '09 at 23:00
mechanical_meatmechanical_meat
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How do I delete a Git branch with TortoiseGit
...vius Panda
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answered Mar 14 '12 at 16:16
Sandro MundaSandro Munda
34.9k...
Why {} + {} is NaN only on the client side? Why not in Node.js?
...] is an empty string, [] + {} is "[object Object]" , and {} + [] is 0 . Why is {} + {} NaN?
1 Answer
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Display string as html in asp.net mvc view
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170
You are close you want to use @Html.Raw(str)
@Html.Encode takes strings and ensures that all th...
Flask-SQLalchemy update a row's information
... Mark HildrethMark Hildreth
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Difference between repository and service?
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edited Sep 17 '09 at 17:22
answered Sep 17 '09 at 17:13
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Why do you have to call .items() when iterating over a dictionary in Python?
...-- which is a check I believe I may have performed, or wanted to perform, 100 times more rarely than what if k in C actually means, checking the presence of the key only and completely ignoring the value.
On the other hand, wanting to loop just on keys is quite common, e.g.:
for k in thedict:
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