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difference between scope and namespace of ruby-on-rails 3 routing
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from the rails guide
"The namespace scope will automatically add :as as well as :module and :path prefixes."
so
namespace "admin" do
resources :contexts
end
is the same as
scope "/admin", as: "admin", module: "admin" do
resources :contexts
end
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How come an array's address is equal to its value in C?
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The name of an array usually evaluates to the address of the first element of the array, so array and &array have the same value (but different types, so array+1 and &array+1 will not be equal if the array is more than 1 element long).
Ther...
How do I run a batch script from within a batch script?
How do I call another batch script from within a batch script?
8 Answers
8
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Passing multiple error classes to ruby's rescue clause in a DRY fashion
...ne it in some other class, you have to refer to it with its namespace. Actually, it does not have to be a constant.
Splat Operator
The splat operator * "unpacks" an array in its position so that
rescue *EXCEPTIONS
means the same as
rescue FooException, BarException
You can also use it withi...
Is there a “theirs” version of “git merge -s ours”?
... topic branch "B" into "A" using git merge , I get some conflicts. I know all the conflicts can be solved using the version in "B".
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How to enable external request in IIS Express?
...h http add urlacl url=http://vaidesg:8080/ user=everyone
For XP, first install Windows XP Service Pack 2 Support Tools. Then run the following command from an administrative prompt:
httpcfg set urlacl /u http://vaidesg1:8080/ /a D:(A;;GX;;;WD)
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ActionBarCompat: java.lang.IllegalStateException: You need to use a Theme.AppCompat
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Excellent, I missed this. Don't forget all the other -vXX folders as well, or it'll work fine in your test env, only to bite you once someone uses one of those versions.
– falstro
Jan 20 '14 at 11:27
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Why would I want stage before committing in Git?
I'm new to version control and I understand that "committing" is essentially creating a backup while updating the new 'current' version of what you're working on.
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How to use Chrome's network debugger with redirects
The Chrome network debugger gives me a great view of all the HTTP resources loaded for a page. But it clears the list whenever a new top-level HTML page is loaded. This makes it very difficult to debug pages that automatically reload for one reason or another (running script or 300 responses).
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What does @synchronized() do as a singleton method in objective C?
...probably isn't multithreaded, and you probably don't need to use it (especially if the singleton itself isn't thread-safe).
Edit: Adding some more information that wasn't in the original answer from 2011.
The @synchronized directive prevents multiple threads from entering any region of code that...