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How get integer value from a enum in Rails?
I have a enum in my Model that corresponds to column in the database.
5 Answers
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C++ Double Address Operator? (&&)
I'm reading STL source code and I have no idea what && address operator is supposed to do. Here is a code example from stl_vector.h :
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Is there a way to use two CSS3 box shadows on one element?
I'm trying to replicate a button style in a Photoshop mock-up that has two shadows on it. The first shadow is an inner lighter box shadow (2px), and the second is a drop shadow outside the button (5px) itself.
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Why does PostgreSQL perform sequential scan on indexed column?
Very simple example - one table, one index, one query:
4 Answers
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How can I specify a local gem in my Gemfile?
I'd like Bundler to load a local gem. Is there an option for that? Or do I have to move the gem folder into the .bundle directory?
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How to concatenate two IEnumerable into a new IEnumerable?
I have two instances of IEnumerable<T> (with the same T ). I want a new instance of IEnumerable<T> which is the concatenation of both.
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How can I suppress column header output for a single SQL statement?
I'm executing some SQL statements in batch (using the mysql command-line binary). I want one of my several SELECT statements to not print the column headers, just the selected records. Is this possible?
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Jasmine.js comparing arrays
Is there a way in jasmine.js to check if two arrays are equal, for example:
4 Answers
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Dynamically adding properties to an ExpandoObject
I would like to dynamically add properties to a ExpandoObject at runtime. So for example to add a string property call NewProp I would like to write something like
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Iterating over every two elements in a list
How do I make a for loop or a list comprehension so that every iteration gives me two elements?
21 Answers
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