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Git submodule head 'reference is not a tree' error
...$ git checkout ce5d37c~ -- sub
This reset the submodule entry for sub to what it was at commit ce5d37c~ in the super-project.
Update the Submodule
$ git submodule update
Submodule path 'sub': checked out '5d5a3ee314476701a20f2c6ec4a53f88d651df6c'
The submodule update went OK (it indicates a de...
Determine what attributes were changed in Rails after_save callback?
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Forget what I said above - it DOESN'T work in Rails 2.0.5. So a useful addition to Rails 3.
– stephenr
Oct 5 '10 at 8:34
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What goes into the “Controller” in “MVC”?
...le for displaying it to the user and the Controller deals with user input. What I'm uncertain about is exactly what goes in the Controller.
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What's the most concise way to read query parameters in AngularJS?
I'd like to read the values of URL query parameters using AngularJS. I'm accessing the HTML with the following URL:
10 Ans...
Git cherry pick vs rebase
...ed to be able to apply multiple commits, the distinction indeed became somewhat moot, but this is something to be called convergent evolution ;-)
The true distinction lies in original intent to create both tools:
git rebase's task is to forward-port a series of changes a developer has in their pr...
What is the colon operator in Ruby?
When I say { :bla => 1, :bloop => 2 } , what exactly does the : do? I read somewhere about how it's similar to a string, but somehow a symbol.
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UTF-8 without BOM
...oding", but I don't see "Advanced save options" in my File menu, no matter what kind of file I've got open in the editor. Hm....
– Chris Jaynes
May 17 '12 at 15:17
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Monad in plain English? (For the OOP programmer with no FP background)
...ogrammer would understand (without any functional programming background), what is a monad?
19 Answers
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Is there any difference between a GUID and a UUID?
...specifications as a synonym for GUID."
But the correct answer depends on what the question means when it says "UUID"...
The first part depends on what the asker is thinking when they are saying "UUID".
Microsoft's claim implies that all UUIDs are GUIDs. But are all GUIDs real UUIDs? That is, is th...
How to open Atom editor from command line in OS X?
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@jhamm sorry I don't understand what you mean. Just go ahead and close the terminal, it doesn't affect Atom in any way.
– user3283997
Apr 2 '14 at 9:55
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