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No secret option provided to Rack::Session::Cookie warning?
....2.3, Ruby 1.9 under Fedora 17. I get this warning, when I run rails s , and how do I fix?
7 Answers
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jQuery change input text value
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this is by far and away the best thing on the internet: futurecolors.ru/jquery
– Jason
Apr 18 '11 at 21:53
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Setting up a git remote origin
...ver having a simple git pull as a deployment process is usually a bad idea and should be avoided in favor of a real deployment script.
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Case insensitive regex in JavaScript
I want to extract a query string from my URL using JavaScript, and I want to do a case insensitive comparison for the query string name. Here is what I am doing:
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How to flatten tree via LINQ?
...er style", convert Flatten to a generic extension method that takes a tree and a function that produces descendants from a node:
public static IEnumerable<T> Flatten<T>(
this IEnumerable<T> e
, Func<T,IEnumerable<T>> f
) => e.SelectMany(c => f(c).Flatten(f)...
How can I use a DLL file from Python?
...y.
hllDll = ctypes.WinDLL ("c:\\PComm\\ehlapi32.dll")
# Set up prototype and parameters for the desired function call.
# HLLAPI
hllApiProto = ctypes.WINFUNCTYPE (
ctypes.c_int, # Return type.
ctypes.c_void_p, # Parameters 1 ...
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c...
Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
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I had to change it for a bunch of columns and this doesn't require specifying the column type for each column, much better!
– Dorian
Jan 8 '15 at 12:19
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What do I return if the return type of a method is Void? (Not void!)
... a function has to be Void?
Use return null. Void can't be instantiated and is merely a placeholder for the Class<T> type of void.
What's the point of Void?
As noted above, it's a placeholder. Void is what you'll get back if you, for example, use reflection to look at a method with a ...
Python: using a recursive algorithm as a generator
...pens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of using it to fill a list with all the sequences.
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You have already activated X, but your Gemfile requires Y
... all the time, you could set up an alias or function in your shell for commands you commonly use with Bundler. For example this is what I use for Rake:
$ type bake
bake is a function
bake ()
{
bundle exec rake "$@"
}
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