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What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
I'm curious about the purpose of the methods getItem and getItemId in the class Adapter in the Android SDK.
6 Answers
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Why use multiple columns as primary keys (composite primary key)
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Your understanding is correct.
You would do this in many cases. One example is in a relationship like OrderHeader and OrderDetail. The PK in OrderHeader might be OrderNumber. The PK in OrderDetail might be OrderNumber AND LineNumber. ...
What is the difference between Class Path and Build Path
...s used for building your application. It contains all of your source files and all Java libraries that are required to compile the application.
The classpath is used for executing the application. This includes all java classes and libraries that are needed to run the java application. A Classpath ...
How to prevent a background process from being stopped after closing SSH client in Linux
...ought I could do that by starting the process in background (with an ampersand at the end of the command) and redirecting stdout to a file.
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Pretty git branch graphs
I've seen some books and articles have some really pretty looking graphs of git branches and commits. How can I make high-quality printable images of git history?
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How can building a heap be O(n) time complexity?
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Often, answers to these questions focus on the difference between siftUp and siftDown. Making the correct choice between siftUp and siftDown is critical to get O(n) performance for buildHeap, but does nothing to help one understand the difference between buildHeap and heapSort in general. Indeed, ...
Change name of iPhone app in Xcode 4
... which is displayed below the app icon on the iPhone screen.
I use Xcode 4 and I have one target with keys:
11 Answers
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How to make a HTML Page in A4 paper size page(s)?
...m published an article on how they published a book using nothing but HTML and CSS. See: http://alistapart.com/article/boom
Here's an excerpt of that article:
CSS2 has a notion of paged media (think sheets of paper), as opposed to continuous media (think scrollbars). Style sheets can set the si...
Angular HttpPromise: difference between `success`/`error` methods and `then`'s arguments
...mment below, success() does return the original promise. I'll not change; and leave it to OP to edit.
The major difference between the 2 is that .then() call returns a promise (resolved with a value returned from a callback) while .success() is more traditional way of registering callbacks and d...
When would I use XML instead of SQL? [closed]
I've been working on database-driven web applications for a few years now and recently took on a project involving a CMS that is XML-capable. This has led me to think about the usage of XML/XSLT in general and in what situations it would be more useful than the approach I've always used, which is st...