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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 this. Ruby expands splats on ...
Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?
I still have Snow Leopard. I have Xcode 4.2 for iOS development. This morning I upgraded my iPhone and iPad to iOS 5.1.
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How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app
...e new bundling feature in a project I recently converted from MVC 3 to MVC 4 beta. It requires a line of code in global.asax, BundleTable.Bundles.RegisterTemplateBundles(); , which requires using System.Web.Optimization; at the top.
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How would you implement an LRU cache in Java?
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answered Dec 23 '09 at 15:43
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How to select the last record of a table in SQL?
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14 Answers
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Numpy where function multiple conditions
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204
The best way in your particular case would just be to change your two criteria to one criterion:...
Create an array or List of all dates between two dates [duplicate]
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342
LINQ:
Enumerable.Range(0, 1 + end.Subtract(start).Days)
.Select(offset => start.A...
Any way to properly pretty-print ordered dictionaries?
..., but it looks nice and keeps the order.
import json
pprint(data, indent=4)
# ^ugly
print(json.dumps(data, indent=4))
# ^nice
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Best practice: ordering of public/protected/private within the class definition?
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144
In Clean Code, Robert C. Martin advises coders to always put member variables at the top of the...
How to wait for all threads to finish, using ExecutorService?
I need to execute some amount of tasks 4 at a time, something like this:
26 Answers
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