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Rails 3 check if attribute changed
...ributes with their original and new values (in an array).
You can check APIDock for which versions supported these methods.
http://apidock.com/rails/ActiveModel/Dirty
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PHP convert XML to JSON
...ngs. Other solutions will most likely drop all but the last sibling. To avoid this each and every single node, even if it only has one child, is an array which hold an object for each instance of the tagname. (See multiple "" elements in example)
Even the root element, of which only one should exis...
Android View shadow
...ready been answered but I want you to know that I found a drawable on Android Studio that is very similar to the pics you have in the question:
Take a look at this:
android:background="@drawable/abc_menu_dropdown_panel_holo_light"
It looks like this:
Hope it will be helpful
Edit
The option a...
Keep overflow div scrolled to bottom unless user scrolls up
...dded to it and needs to stay scrolled all the way down. Now if the user decides to scroll up I don't want it to jump back to the bottom until the user scrolls all the way down again
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How do I do a 'git status' so it doesn't display untracked files without using .gitignore?
...o
which is equivalent to:
git status --untracked-files=no
It's a bit hidden in the manuals, but the manpage for status says "supports the same options as git-commit", so that's where you'd have to look.
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Ensure that HttpConfiguration.EnsureInitialized()
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Thank you. That's been a thorn in my side.
– Robert Bolton
Mar 7 '18 at 18:30
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Which commit has this blob?
...nless you pass --all as an additional argument. (Finding all commits repo-wide is important in cases like deleting a large file from the repo history).
– peterflynn
Jul 11 '13 at 5:21
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No @XmlRootElement generated by JAXB
...at others have already stated or hinted at, the rules by which JAXB XJC decides whether or not to put the @XmlRootElement annotation on a generated class are non trivial (see this article).
@XmlRootElement exists because the JAXB runtime requires certain information in order to marshal/unmarshal a ...
In ASP.NET, when should I use Session.Clear() rather than Session.Abandon()?
Both Session.Clear() and Session.Abandon() get rid of session variables. As I understand it, Abandon() ends the current session, and causes a new session to be created thus causing the End and Start events to fire.
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Is there a simple, elegant way to define singletons? [duplicate]
...on in use of your API. I would still just put methods in a module, and consider the module as the singleton.
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