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What underlies this JavaScript idiom: var self = this?

I saw the following in the source for WebKit HTML 5 SQL Storage Notes Demo : 10 Answers ...
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Why is my Spring @Autowired field null?

...ring doesn't know about the copy of MileageFeeCalculator that you created with new and didn't know to autowire it. The Spring Inversion of Control (IoC) container has three main logical components: a registry (called the ApplicationContext) of components (beans) that are available to be used by the...
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What does href expression do?

... An <a> element is invalid HTML unless it has either an href or name attribute. If you want it to render correctly as a link (ie underlined, hand pointer, etc), then it will only do so if it has a href attribute. Code like this is therefore sometimes used as a w...
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How to persist a property of type List in JPA?

What is the smartest way to get an entity with a field of type List persisted? 12 Answers ...
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How to increase storage for Android Emulator? (INSTALL_FAILED_INSUFFICIENT_STORAGE)

... Update This answer is, as I write this, nearly eight years old, and about five years stale. But it's still (as I write this) the "accepted" answer, because it answered the question when it was asked. The newer answer, that applies to the newer Android St...
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Static hosting on Amazon S3 - DNS Configuration

I'm working on a little webapp (all client-side) I want to host it on Amazon S3. I've found several guides on this and have managed to create myself a bucket (with the same name as my domain), set it as a website and upload some content. ...
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Save PL/pgSQL output from PostgreSQL to a CSV file

... built in COPY command. e.g. Copy (Select * From foo) To '/tmp/test.csv' With CSV DELIMITER ',' HEADER; This approach runs entirely on the remote server - it can't write to your local PC. It also needs to be run as a Postgres "superuser" (normally called "root") because Postgres can't stop it doi...
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CASCADE DELETE just once

... I want to do a few cascading deletes. However, the tables aren't set up with the ON DELETE CASCADE rule. Is there any way I can perform a delete and tell Postgresql to cascade it just this once? Something equivalent to ...
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UIRefreshControl without UITableViewController

Just curious, as it doesn't immediately seem possible, but is there a sneaky way to leverage the new iOS 6 UIRefreshControl class without using a UITableViewController subclass? ...
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Open directory dialog

...from Win32, but unfortunately the dialog requires file(s) to be selected - it stays open if I simply click OK without choosing one. I could "hack up" the functionality by letting the user pick a file and then strip the path to figure out which directory it belongs to but that's unintuitive at best. ...