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How to test if list element exists?
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edited Oct 11 '11 at 3:01
answered Oct 10 '11 at 23:36
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scopes with lambda and arguments in Rails 4 style?
... wondering how the following is done in Rails 4 or if I just use the Rails 3 approach for using a lambda that can pass an argument the same way with 4 as I do with 3.
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Why is not in HTML 5 Tag list while is?
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answered Feb 14 '10 at 3:23
ChuckChuck
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How to remove space between axis & area-plot in ggplot2?
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3 Answers
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What text editor is available in Heroku bash shell? [closed]
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131
votes
I recently turned the original gist into a heroku cli plugin.
Just install:...
How do I modify fields inside the new PostgreSQL JSON datatype?
With postgresql 9.3 I can SELECT specific fields of a JSON data type, but how do you modify them using UPDATE? I can't find any examples of this in the postgresql documentation, or anywhere online. I have tried the obvious:
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Finding Key associated with max Value in a Java Map
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Basically you'd need to iterate over the map's entry set, remembering both the "currently known...