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Programmatically access currency exchange rates [closed]
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Ruby's ||= (or equals) in JavaScript?
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153
Both are absolutely correct, but if you are looking for something that works like ||= in ruby....
SELECT * FROM X WHERE id IN (…) with Dapper ORM
...eTable WHERE id IN @ids"
var results = conn.Query(sql, new { ids = new[] { 1, 2, 3, 4, 5 }});
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Array to Hash Ruby
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a = ["item 1", "item 2", "item 3", "item 4"]
h = Hash[*a] # => { "item 1" => "item 2", "item 3" => "item 4" }
That's it. The * is called the splat operator.
One caveat per @Mike Lewis (in the comments): "Be very careful with...
Convert a 1D array to a 2D array in numpy
I want to convert a 1-dimensional array into a 2-dimensional array by specifying the number of columns in the 2D array. Something that would work like this:
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C# LINQ find duplicates in List
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601
The easiest way to solve the problem is to group the elements based on their value, and then pic...
What does T&& (double ampersand) mean in C++11?
I've been looking into some of the new features of C++11 and one I've noticed is the double ampersand in declaring variables, like T&& var .
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Getting a map() to return a list in Python 3.x
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Difference between JSONObject and JSONArray
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189
When you are working with JSON data in Android, you would use JSONArray to parse JSON which st...