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Removing a model in rails (reverse of “rails g model Title…”)
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:( Read the first line and did it. It was my fault, but a correctly-ordered answer may have helped.
– Mike T
Jul 22 '13 at 19:40
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Is there a way to rename an Xcode 4 scheme?
..., you'll have a window like this:
Select the scheme you want to change, and hit Return.
Now the scheme name will be editable, and you can change it to your hearts desire. Then hit Return again to save it.
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How to revert to origin's master branch's version of file
...is very different from your first two options in that it touches all files and not just the one file. You may want to point this out more explicitly. Also why not recommend git checkout HEAD filename and git checkout origin/master filename for options one and two, it would be more consistent?
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Initializing multiple variables to the same value in Java
I'm looking for a clean and efficient method of declaring multiple variables of the same type and of the same value. Right now I have:
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Java - JPA - @Version annotation
...//...
}
On update, the field annotated with @Version will be incremented and added to the WHERE clause, something like this:
UPDATE MYENTITY SET ..., VERSION = VERSION + 1 WHERE ((ID = ?) AND (VERSION = ?))
If the WHERE clause fails to match a record (because the same entity has already been up...
How to delete a record in Django models?
...at is the case after DJango 1.4, but this is actually fetching all the PKs and then delete by those PKs. So eg if you delete by an arbitrary field, this can be way slower then the SQL counterpart... :(
– Vajk Hermecz
Mar 25 '14 at 16:22
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Sending a notification from a service in Android
I have a service running, and would like to send a notification. Too bad, the notification object requires a Context , like an Activity , and not a Service .
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Why use try {} finally {} with an empty try block?
... to determine
where you were before “try” was
interrupted by Abort and proceed from
there if you want to).
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What is function overloading and overriding in php?
In PHP, what do you mean by function overloading and function overriding. and what is the difference between both of them? couldn't figure out what is the difference between them.
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ContextLoaderListener or not?
A standard spring web application (created by Roo or "Spring MVC Project" Template) create a web.xml with ContextLoaderListener and DispatcherServlet . Why do they not only use the DispatcherServlet and make it to load the complete configuration?
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